GSM TELEPHONE SGH-P400

SERVICE GSM TELEPHONE

Manual

CONTENTS 1.

Specification

2.

Circuit Description

3.

Flow Chart of Troubleshooting

4.

Exploded Views and Parts List

5.

Electrical Parts List

6.

Block Diagrams

7.

PCB Diagrams

1. SGH-P400 Specification 1. GSM General Specification GS M9 0 0 Ph a se 1

E GS M 9 0 0 Ph a se 2

DC S 1 8 0 0 P h as e 1

PC S1 9 0 0

F r eq . B a n d [M Hz ] Up l in k / Do w n li n k

8 9 0 ~9 1 5 9 3 5 ~9 6 0

8 8 0 ~9 1 5 9 2 5 ~9 6 0

1 7 1 0 ~1 7 8 5 1 8 0 5 ~1 8 8 0

1 8 5 0 ~1 9 1 0 1 9 3 0 ~1 9 9 0

A RF C N r a n g e

1 ~1 2 4

0~124 & 9 7 5 ~1 0 2 3

5 1 2 ~8 8 5

5 1 2 ~8 1 0

T x /R x s p ac in g

4 5 MHz

4 5 MHz

9 5 M Hz

8 0 MH z

Mo d . B i t r at e/ Bi t Pe r i o d

270.833kbps 3.692us

2 7 0 .8 3 3 k b p s 3 .6 9 2 u s

270.833kbps 3.692us

2 7 0 .8 3 3 k b p s 3 .6 9 2 u s

Ti me Sl o t P er io d / F r am e P er i o d

576.9us 4 .6 1 5 m s

5 7 6 .9 u s 4 .6 1 5 m s

576.9us 4 .6 1 5 m s

5 7 6 .9 u s 4 .6 1 5 ms

Mo d u l a ti o n

0 .3 G MS K

0 .3 G MS K

0 .3 GM SK

0 .3 GM SK

M S P o we r

3 3 d Bm ~1 3 d B m

3 3 d Bm ~5 d B m

3 0 d B m ~0 d B m

3 0 d B m~0 d B m

Po w er C l as s

5 p cl ~ 1 5 p c l

5pcl ~ 19pcl

0pcl ~ 15pcl

0pcl ~ 15pcl

Se n si t iv i t y

-102dBm

- 1 0 2 d Bm

-100dBm

-100dBm

TDM A M u x

8

8

8

8

C el l Ra d iu s

3 5 Km

3 5 Km

2 Km

-

1-1

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SGH-P408 Specification

2. GSM TX power class TX Power control level

GSM900

TX Power

DCS1800

control level

TX Power control level

PCS1900

5

33±2 dBm

0

30±3 dBm

0

30±3 dBm

6

31±2 dBm

1

28±3 dBm

1

28±3 dBm

7

29±2 dBm

2

26±3 dBm

2

26±3 dBm

8

27±2 dBm

3

24±3 dBm

3

24±3 dBm

9

25±2 dBm

4

22±3 dBm

4

22±3 dBm

10

23±2 dBm

5

20±3 dBm

5

20±3 dBm

11

21±2 dBm

6

18±3 dBm

6

18±3 dBm

12

19±2 dBm

7

16±3 dBm

7

16±3 dBm

13

17±2 dBm

8

14±3 dBm

8

14±3 dBm

14

15±2 dBm

9

12±4 dBm

9

12±4 dBm

15

13±2 dBm

10

10±4 dBm

10

10±4 dBm

16

11±3 dBm

11

8±4dBm

11

8±4dBm

17

9±3dBm

12

6±4 dBm

12

6±4 dBm

18

7±3 dBm

13

4±4 dBm

13

4±4 dBm

19

5±3 dBm

14

2±5 dBm

14

2±5 dBm

15

0±5 dBm

15

0±5 dBm

1-2

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2. SGH-P400 Circuit Description 1. SGH-P400 RF Circuit Description

1) RX PART 1. ASM(U1005) ð 510Switching Tx, Rx path for GSM900, DCS1800 and PCS1900 by logic controlling. 2. ASM Control Logic (U701, U702, U703) ð Truth Table VC1

VC2

VC3

GSM Tx Mode

H

L

L

DCS /PCS Tx Mode

L

H

L

PCS Rx Mode

L

L

H

GSM / DCS Rx Mode

L

L

L

3. FILTER To convert Electromagnetic Field Wave to Acoustic Wave and then pass the specific frequency band. - GSM FILTER (C1003,C1004,L1001) ð For filtering the frequency band between 925 ~ 960 MHz

- DCS FILTER (C1005,C1006,L1002) ð For filtering the frequency band 1805 and 1880 MHz. - PCS SAW FILTER (F1003,C1009,C1010,L1006) ð For filtering the frequency band between 1930 and 1990 MHz

4. TC-VCXO (OSC801) To generate the 13MHz reference clock to drive the logic and RF. After additional process, the reference clock is applied to the U900 Rx IQ demodulator and Tx IQ modulator. The oscillator for RX IQ demodulator and Tx modulator are controlled by serial data to select channel and use fast lock mode for GPRS high class operation. 2-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

SGH-P400 Circuit Description

5. Si 4200 (U901) This chip integrates three differential-input LNAs. The GSM input supports the E-GSM, DCS input supports the DCS1800, PCS input supports the PCS1900. The LNA inputs are matched to the 200 ohm differential output SAW filters through eternal LC matching network. Image-reject mixer downconverts the RF signal to a 100 KHz intermediate frequency(IF) with the RFLO from SI4133T frequency synthesizer. The RFLO frequency is between 1737.8 ~ 1989.9 MHz. The Mixer output is amplified with an analog programmable gain amplifier(PGA), which is controlled by AGAIN. The quadrature IF signal is digitized with high resolution A/D converts (ADC). 6. Si 4201 (U900) The SI4201 down-converts the ADC output to baseband with a digital 100 KHz quadrature LO signal. Digital decimation and IIR filters perform channel selection to remove blocking and reference interface signals. After channel selection, the digital output is scaled with a digital PGA, which is controlled with the DGAIN. DACs drive a differential analog signal onto the RXIP, RXIN, RXQP, RXQN pins to interface to standard analog-input baseband IC.

2) TX PART Baseband IQ signal fed into offset PLL, this function is included inside of U902 chip. SI4200 chip generates modulator signal which power level is about 1.5dBm and fed into Power Amplifier(U1001). The PA output power and power ramping are well controlled by Auto Power Control circuit. We use offset PLL below, 200kHz offset 30 kHz bandwidth Modulation Spectrum

400kHz offset 30 kHz bandwidth 600kHz ~ 1.8MHz offset 30 kHz bandwidth

GSM

-35dBc

DCS

-35dBc

PCS

-35dBc

GSM

-66dBc

DCS

-65dBc

PCS

-66dBc

GSM

-75dBc

DCS

-68dBc

PCS

-75dBc

2-2

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SGH-P400 Circuit Description

2. Baseband Circuit description of SGH-P400

1) PSC2106 & LTC 1734 1. Power Management Seven low-dropout regulators designed specifically for GSM applications power the terminal and help ensure optimal system performance and long battery life. A programmable boost converter provides support for 1.8V, and 3.0V SIMs, while a self-resetting, electronically fused switch supplies power to external accessories. Ancillary support functions, such as an LED driver and two call-alert drivers, aid in reducing both board area and system complexity. A three-wire serial interface unit(SIU) provides access to control and configuration registers. This interface gives a microprocessor full control of the PSC2106 and enables system designers to maximize both standby and talk times. Supervisory functions. including a reset generator, an input voltage monitor, and a thermal monitor, support reliable system design. These functions work together to ensure proper system behavior during start-up or in the event of a fault condition(low microprocessor voltage, insufficient battery energy, or excessive die temperature). 2. Battery Charge Management A battery charge management block provides fast, efficient charging of a single-cell Li-ion battery. Used in conjunction with a current-limited voltage source and an external PMOS pass transistor, this block safely conditions near-dead cells and provides the option of having fast-charge and top-off controlled internally or by the system's microprocessor.

3. Backlight LED Driver The backlight LED drivers are low-side, programmable current source designed to control the brightness the keyboard and LCD illumination. LED1_DRV is controlled via LED1_[0:2] and can be programmed to sink from mA to 60mA in 7.5mA steps. LED2_DRV is controlled via LED2_[0:2] and can be programmed to sink from 5 to 40mA in 5mA steps. Both LED drivers are capable of sinking their maximum output current at a worst worst case maximum output voltage of 0.6V. For efficient use, the LEDs should be forward connected between the ma battery and their corresponding LED driver output. 2-3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

SGH-P400 Circuit Description

2) Connector 1. LCD Connector LCD is consisted of main LCD(color 65K TFD LCD). Chip select signals of EMI part in the trident, CAM_CLCD_EN, can enable main LCD. LED_EN signal enables white LED of main LCD. This signal is from IO part of the DSP in the trident. RST signal from 2106 initiates the initial process of the LCD. 16-bit data lines(D(0)~D(15)) transfers data and commands to LCD through emi_filter. Data and commands use A(2) signal. If this signal is high, Inputs to LCD are commands. If it is low, Inputs to LCD are data. The signal which informs the input or output state to LCD, is required. But this system is not necessary this signal. So CP_WEN signal is used to write data or commands to LCD. Power signals for LCD are V_bat and V_ccd. SPK1P and SPK1N from CSP1093 are used for audio speaker. And VIB_EN from enables the motor. 2. JTAG Connector Trident has two JTAG ports which are for ARM core and DSP core(DSP16000). So this system has two port connector for these ports. Pins' initials for ARM core are 'CP_' and pins' initials for DSP core are 'DSP_'. CP_TDI and DSP_TDI signal are used for input of data. CP_TDO and DSP_TDO signals are used for the output of the data. CP_TCK and DSP_TCK signals are used for clock because JTAG communication is a synchronous. CP_TMS and DSP_TMS signals are test mode signals. The difference between these is the RESET_INT signal which is for ARM core RESET. 3. IRDA This system uses IRDA module, HSDL_3201, HP's. This has signals, IRDA_EN(enable signal), IRDA_RX(input data) and IRDA_TX(output data). These signals are connected to PPI of trident. It uses two power signals. V_ccd is used for circuit and V_bat is used for LED. 3) IF connetor It is 18-pin connector. They are designed to use SDS, DEBUG, DLC-DETECT, JIG_ON, VEXT, VTEST, VF, CF, VBAT and GND. They connected to power supply IC, microprocessor and signal processor IC. 2-4

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SGH-P400 Circuit Description

4) Audio AOUTAP from CSP1093 is connected to the main speaker. AOUTAN is connected to the speaker via audio-amp. AOUTBN and AOUTBP are connected to the ear-mic speaker via ear-jack. MICIN and MICOUT are connected to the main MIC. And AUXIN and AUXOUT are connected to the Ear-mic. YMU762MA3 is a LSI for portable telephone that is capable of playing high quality music by utilizing FM synthesizer and ADPCM decorder that are included in this device. As a synthesis, YMU762MA3 is equipped 16 voices with differenttones. Since the device is capable of simultaneously generating up to synchronous with the play of the FM synthesizer, various sampled voices can be used as sound effects. Since the play data of YMU762MA3 are interpreted at anytime through FIFO, the length of the data(playing period) is not limited, so the device can flexiblysupport application such as incoming call melody music distribution service. The hardware sequencer built in this device allows playing of the complex music without giving excessive load to the CPU of the portable telephones. Moreover, the registers of the FM synthesizer can be operated directly for real time sound generation, allowing, for example, utilization of various sound effects when using the game software installed in the portable telephone. YMU759 includes a speaker amplifier with high ripple removal rate whose maximum output is 550mW (SPVDD=3.6V). The device is also equipped with conventional function including a vibartor and a circuit for controlling LEDs synchornous with music. For the headphone, it is provided with a stereophonic output terminal. For the purpose of enabling YMU762MA3 to demonstarte its full capablities, Yamaha purpose to use "SMAF:Synthetic music Mobile Application Format" as a data distribution format that is compatible wiht multimedia. Since the SMAF takes a structure that sets importance on the synchronization between sound and images, various contents can be written into it including incoming call melody with words that can be used for traning karaoke, and commercial channel that combines texts, images and sounds, and others. The hardware sequencer of YMU762MA3 directly interprets and plays blocks relevant to systhesis (playing music and reproducing ADPCM with FM synthesizer) that are included in data distributed in SMAF. The vibrator motor driver is a low-side, programmable voltage source designed to drive a small dc motor that silently alerts the user of an incoming call. The driver is enabled by EN_VIB, and its voltage setting is determined by VIB[0:2]. Provided EN_VIB is a logic 1, the driver can be programmed to maintain a 2-5

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SGH-P400 Circuit Description

motor voltage of 1.1V to 2.5V in 20mV steps and while sinking up to 100mA. For efficient use, the vibrator motor should be connected between the main battery and the VIB_DRV output.

5) Memory This system uses SHARP's memory, LRS1828A. It is consisted of 128M bits flash memory and32M bits psuedo SRAM. It has 16 bit data line, D[0~15] which is connected to trident, LCD or CSP1093. It has 22 bit address lines, A[1~22]. They are connected too. CP_CSROMEN and CO_CSROM2EN signals, chip select signals in the trident enable two memories. They use 3 volt supply voltage, V_ccd and 1.8 volt supply voltage, Vcc_1.8a in the PSC2106. During wrting process, CP_WEN is low and it enables writing process to flash memory and pseudo SRAM. During reading process, CP_OEN is low and it output information which is located at the address from the trident in the flash memory or SRAM to data lines. Each chip select signals in the trident select memory among 2 flash memory and 2 SRAM. Reading or writing procedure is processed after CP_WEN or CP_OEN is enabled. Memories use FLASH_RESET, which is buffered signal of RESET from PSC2106, for ESD protection. A[0] signal enables lower byte of pseudo SRAM and UPPER_BYTE signal enables higher byte of pseudo SRAM.

6) Trident Trident is consisted of ARM core and DSP core. It has 20K*16bits RAM 144K*16bits ROM in the DSP. It has 4K*32bits ROM and 2K*32bits RAM in the ARM core. DSP is consisted of timer, one bit input/output unit(BIO), JTAG, EMI and HDS(Hardware Development System). ARM core is consisted of EMI, PIC(Programmable Interrupt Controller), reset/power/clock unit, DMA controller, TIC(Test Interface Controller), peripheral bridge, PPI, SSI(Synchronous Serial Interface), ACC(Asynchronous communications controllers), timer, ADC, RTC(Real-Time Clock) and keyboard interface. DSP_AB[0~8], address lines of DSP core and DSP_DB[0~15], data lines of DSP core are connected to CSP1093. A[0~20], address lines of ARM core and D[0~15], data lines of ARM core are connected to memory, LCD and YMU759. ICP(Interprocessor Communication Port) controls the communication between ARM core and DSP core. CSROMEN, CSRAMEN and CS1N to CS4N in the ARM core are connected to each memory. WEN and OEN control the process of memory. External IRQ(Interrupt ReQuest) signals from each units, such as, YMU, Ear-jack, Ear-mic and CSP1093, need the compatible process. 2-6

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SGH-P400 Circuit Description

Some PPI pins has many special functions. CP_KB[0~9] receive the status from key FPCB and are used for the communicatios using IRDA(IRDA_RX/TX/EN) and data link cable(DEBUG_DTR/RTS/TXD/RXD/CTS/DSR). And UP_CS/SCLK/SDI, control signals for PSC2006 are outputted through PPI pins. It has signal port for charging(CHG_DET, CHG_STAT0), SIM_RESET and FLIP_SNS with which we knows open.closed status of folder. It has JTAG control pins(TDI/TDO/TCK) for ARM core and DSP core. It recieves 13MHz clock in CKI pin from external TCXO and receives 32.768KHz clock from X1RTC. ADC(Analog to Digital Convertor) part receives the status of temperature, battery type and battery voltage. And control signals(DSP_INT, DSP_IO and DSP_RWN) for DSP core are used. It enables main LCD and small LCD with DSP IP pins.

2-7

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SGH-P400 Circuit Description

7) CSP1093 CSP1093 integrates the timing and control functions for GSM 2+ mobile application with the ADC and DAC functions. The CSP1093 interfaces to the trident, via a 16-bit parallel interface. It serves as the interface that connects a DSP to the RF circuitry in a GSM 2+ mobile telephone. DSP can load 148 bits of burst data into CSP1093’ s internal register, and program CSP1093’ s event timing and control register with the exact time to send the burst. When the timing portion of the event timing and control register matches the internal quarter-bit counter and internal frame counter, the 148 bits in the internal register are GMSK modulated according to GSM 2+ standards. The resulting phase information is translated into I and Q differential output voltages that can be connected directly to an RF modulator at the TXOP and TXON pins. The DSP is notified when the transmission is completed. For receiving baseband data, a DSP can program CSP1093’ s event timing and control register with the exact time to start receiving I and Q samples through TXIP and TXIN pins. When that time is reached, the control portion of the event timing and control register will start the baseband receive section converting I and Q sample pairs. The samples are stored in a double-buffered register until the register contains 32 sample pairs. CSP1093 then notifies the DSP which has ample time to read the information out before the next 32 sample pairs are stored. The voice band ADC converter issues an interrupt to the DSP whenever it finishes converting a 16-bit PCM word. The DSP then reads the new input sample and simultaneously loads the voice band output DAC converter with a new PCM output word. The voice band output can be connected directly to a speaker via AOUTAN and AOUTAP pins and be connected to a Ear-mic speaker via AOUTBN and AOUTBP pins.

8) X-TAL(13MHz) This system uses the 13MHz TCXO, TCO-9141B, Toyocom. AFC control signal form CSP1093 controls frequency from 13MHz x-tal. It generates the clock frequency. This clock is fed to CSP1093,Trident,YMU759 and Silab solution.

2-8

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3. SGH-P400 Flow Chart of Troubleshooting 1. Power On ' Power On ' does not work Check the current consumption

No

Current consumption >=100mA

Download again

Yes Check the V bat. Voltage

No

Voltage >= 3.3V

Charge the Battery

Yes Check the pin of U100

No

pin#11 >= 2.8V

Check U100 and C117

Yes pin#39 and pin#42 = 2.8V

No

Yes

pin#9 = 1.8V

No

Check U100 and C116

Yes Check the clock signal at pin#3 of OSC801

Freq = 13MHz , Vrms ≥ 300mV and Vpp = 900mVpp

No

Check the clock generation circuit (related to OSC801)

Yes Check the initial operation

END 3-1

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SGH-P400 Flow Chart of Troubleshooting

CN100 1 1 22 3 3

C100 100NF

C102 2.2UF

C104 33PF

C103 33PF

VBAT

6 6 5 5 4 4 GG G G 10 9 8 7

C101 33PF C105 1UF

C106 100NF

VBAT

VREF VOSC

TA_VEXT PWR_ON JIG_ON

RTCALARM PWR_KEEP R102 330K

UP_SCLK UP_CS

Q100

EN_VRF EN_VPAC

KEY_COL(2)

3 KEY_ROW(0)

UP_SDI

1

XOENA

2

R1130

42

C108 1UF

32 VL5S_A 31 VL5S_B VLDO_5

1 VEXT 43 BTEMP

VDD5

C109 1UF

33

C110 1UF

34

VRF

VPAC

36 VL4S_A 35 VL4S_B

46 PWR_SW1N 47 PWR_SW2 13 RTC_ALMN 21 PWR_KEEP 20 PSW1_BUF 14 INTRQ 15 SDI 16 SDO 17 SCLK 18 CSN 22 23 24 25 26 27

VLDO_7 40

VLDO_6

3 VACC 2 VBAT

R101 NC

VCCB

VDD67 41

44 ADC_AUX1 45 ADC_AUX2 56 ADC_TRIG

VRTC

VCCA

6

GNDD1

CREF

VSI M

28

VREF

30

29

GNDQ

48

SIM_IO

UP_RST 53 UP_CLK 52 UP_IO

51

SIM_CL K

54

SIMRST SIMCLK SIMDATA

SIM_RST

49 50

U100 VLDO_4

37

VDD34 38 VCC_1.8A

VLDO_3

VRTC EN_3 EN_4[0] EN_4[1] EN_5 EN_5A EN_5B

VCCD

C111 1UF

VBAT

39

C112 470NF

VRTC

12

R103 VLDO_2

RESETN

55 RING_PWM VLDO_1

57 GND 58 GND 59 GND 60 GNDG

5

4

7

C113 100PF

R105 10

19

1.2K,1%

RST

1 POS

9

M1

10

LED2_DRV

LED1_DRV

VIB_DRV

RING_DRV

VDD12

11

C116 1UF

C117 1UF

C114 2.2UF

NEG 2

C115 10NF

8

R112 0

BACKLIGHT_1 BACKLIGHT_2

Q101

6 5 2 1

VCCD

4 U101

1 ISENSE

R110 NC

TA_VEXT

Q102

R111 10K,1%

2

5 VSENSE

3

3 VCC

PROG

VBAT

4

C118 10UF 6.3V

U102

C119 10UF 10V

CHG_DET

3

6 DRIVE

2 GND

1

1

6

2

CHG_ON

5

R107 47K,1%

R108 10K,1%

TA_VEXT

ICHRG 3

4

R109 3K

3-2

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SGH-P400 Flow Chart of Troubleshooting

2. Initial Initialization Failure Yes

The pin #9 of U100 = 1.8V and the pin #11 of U100 = 2.825V ?

No

Check the U100 (If it has some problem, it has to be replaced.)

No

Check the U100 (If it has some problem, it has to be replaced.)

Yes

Is the pin #19 of U100 "Low -> High"? Yes

No

There is 32.768kHz wave forms at the C614 and C616

Check the U601

Yes No

The pin #25 of U100 is "High"

Check the U700

Yes No

The Voltage is "High" at the C110, C111, C112

Check the U100

Yes No LCD display is O.K

Check the LCD Part

Yes No Sound is O.K

Check the Audio Part

Yes END

3-3

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SGH-P400 Flow Chart of Troubleshooting

VBAT VCCD

C200 100NF

C201 330NF

CN200

17 16 15 14

SVC_RED CAM_D(14) CAM_D(12) CAM_D(10) CAM_D(8) LED_EN CAM_OEN SPK1P RST CAM_D(0) CAM_D(2) CAM_D(4) CAM_D(6) CAM_A EL_EN

R200

C202 1NF

C203 33PF

C217 33PF

13 12 11 10 9 8 7 6 5 4 3 2 1

10

C204 33PF

C218 33PF

C205 10NF

C219 33PF

VBAT

C207 33PF

C206C 33PF

C220 33PF

C221 1NF

C208 33PF

C222 33PF

209 33PF

17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1

34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18

SVC_BLUE SVC_GREEN CAM_D(15) CAM_D(13) CAM_D(11) CAM_D(9)

34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18

YMU_VIB_EN SPK1N CAM_D(1) CAM_D(3) CAM_D(5) CAM_D(7) CAM_WEN CAM_CLCD_EN C210 33PF

R205 0

C223 33PF

C211 33PF

C224 33PF

C212 33PF

C225 33PF

C213 33PF

C226 33PF

C214 33PF

C227 33PF

VCCB

VCCD

LED200

1 2 3 4 5

IRDA_EN IRDA_RX IRDA_TX

6

GND1 NC VCC SHIELD AGND GND2 SD RXD

7 TXD 8

C232 1UF

C231 1UF

VLED

GND3

9 10 11

TP200 TP201 TP202 TP203 TP204 TP205 TP206 TP207 TP208 TP209 TP210

CP_WEN CP_TDO RST CP_TDI CP_TMS CP_TCK DSP_TDO DSP_TDI DSP_TMS DSP_TCK

C233 C234 C235 C236 C237 C238 C239 C240 C241 100PF 100PF 100PF 100PF 100PF 100PF 100PF1 00PF 100PF

3-4

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C215 33PF

C228 33PF

C216 33PF

C229 33PF

C230 33PF

SGH-P400 Flow Chart of Troubleshooting

3. Sim Part

"Insert SIM" is displayed on the LCD Yes No

Is there any Signals pin#52, #53, #54 of U100?

Check the U601

Yes No

Is there any Signals pin#49, #50, #51 of CN100?

Check the U100

Yes

Check the SIM Card

END

3-5

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SGH-P400 Flow Chart of Troubleshooting

VCCD VCCD

VCCD

VBAT

R307 220K

R300 R301 47K 47K

CN300-1 DLC_DETECT SDS_TXD SDS_RXD DEBUG_TXD DEBUG_RXD

R3081 R302 R303 R3041 R305

K 1K 1K K 1K

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22

DEBUG_DTR DEBUG_CTS DEBUG_RTS DEBUG_DCD JIG_ON

R306

1K

DEBUG_DSR DEBUG_RI TA_VEXT

BP_VF 5

4

5

ZD303 ZD304 ZD305 ZD306 ZD307 ZD308

4

C301 C300 220NF 100NF ZD302 1

ZD300

2

3

1

2

3

ZD301

3-6

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DLC_DETECT SDS_TXD SDS_RXD DEBUG_TXD DEBUG_RXD DEBUG_DTR GND DEBUG_CTS DEBUG_RTS GND DEBUG_DCD JIG_ON VTEST DEBUG_DSR DEBUG_RI VEXT VEXT GND CF BP_VF VBAT

SGH-P400 Flow Chart of Troubleshooting

4. Charging Part

Abnormal charging operation

No

The pin #17, #18 of CN300 is TA_VEXT =5V?

Replace TA or Check CN300

Yes No

The pin #3 of U102 is "low"?

Check the U102

Yes No

The pin #3 of Q101 is "low"?

Check the Q101

Yes No

The pin #5 of U101 is 3.2~4.2V?

Check the U101

Yes

The ICHRG = 1V(during charging) and = 180mV(full charging)?

No

Solder again or change R108

Yes END

3-7

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

SGH-P400 Flow Chart of Troubleshooting

D(2) D(3) D(4) D(5) D(6) D(7) YMU_VIB_EN YMU_SPK1N YMU_SPK1P

VCCD

R400 100K

U400

R402 12

SPK1N D(1) AUDIO_AMP_EN

D(0) YMU_SPK1N

CP_WEN YMU_EN

C400 100NF

A(0)

26 27 28 29 30 31

CP_OEN

32

2 1 SPVDD

/WR

EQ3

U401

/CS

EQ2

A0

EQ1

/RD

VBAT

16

D0

HPOUT-R

15 R403

14

R404 82K

120K

13

R405 33K

12 C403

C401 120PF

C402 100NF

22NF

11

C421 4.7NF

HPOUT-L/MONO 10

IOVDD CLKI

C405 NC

D1

MT R

COM1 3 7 4 NC2 IN1 6 5 GND NC1

YMU_SPK1P

25 24 23 22 21 20 19 18 17

AOUTAN

8 IN2

SPOUT SPOUT SPVSS

2

R421 56K

C404 4.7UF 6.3V

VSS VREF

COM2 NO1

1

PLLC VDD

V+

NC

SPK1P

NO2

D2 D3 D4 D5 D6 D7

9

/IRQ /RST

10

AOUTAP

LE D

R401 12

1 2 3 4 5 6 7 8 9 C409 1UF

MICIN

YMU_LED YMU_IR Q RST

MAIN_MI C R409

C420

MICOUT

8PF 56K C410 NC

VCCA

C408 100NF

VCCD

R408

R407 10K

C407 220PF

3.3K

CLK13M_YMU

C411 33PF

R410 2.2K

C412 4.7UF 6.3V

C413 1NF

C414 100NF

R411 680

C416 33UF

C415 NC CN401 EAR_SPK_N EAR_MIC_N

AOUTBN

R412 2.2K

6 5

JACK_IN

JACK_IN

4 3

C417

R413

EAR_SPK_P EAR_MIC_P

AOUTBP

AUXIN

2 1

10K

R414

C418 NC

VCCA

R418 18K

C4018 1NF

C4019 1NF

ZD403

ZD401

ZD405

AUXOUT

ZD402

1UF

R415 56K

C4020 150PF

VCCD

R419 1K

Q400

EAR_SWITCH

2

3 1

R420 10K

3-8

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

0

R416 NC C419

150PF

R417

NC

SGH-P400 Flow Chart of Troubleshooting

5. Microphone Part

Microphone does not work Yes

Is the assembled status of microphone O.K?

No

Reassemble the microphone

Yes

Check the reference voltage on mic path

Yes C420 = 2.0V

No

Solder the microphone again or Replace C409,C416,R407,R409,R410,R411

Yes

microphone ok?

No

Check U700

Yes END

3-9

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

SGH-P400 Flow Chart of Troubleshooting

VCCD

C500 100NF

C501 100NF

C502 100NF

VCCD

C6 S-A17 A(22) A(21) A(20) A(19) A(18)

A(17) A(16) A(15) A(14) A(13) A(12) A(11) A(10) A(9) A(8)

VCCD

A(7) A(6) A(5) A(4) A(3) A(2) A(1)

R501

68K

CP_CSRAMEN

F-A21 A20 A19 A18 F-A17

B3 A5 A6 A7 A8 A4 B5 B6 B4 G5 G6 H4 H5 G7 G8 G9 H6

A16 A15 A14 A13 A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 F1-_CE F2-_CE S-CE2 S-_CE1 F-RY/_BY

F4 S-_UB F3 S-_LB

UPPER_BYTE A(0)

R5021

C5 A3 E5 G3 G4

H7 H10 D8 G10 C4

CP_CSROMEN CP_CSROM2EN

C503 100NF

FLASH_RESET

E3 F-_WP D4 F-_RST

0 C504 10NF

R505 NC

U500

A(1:22)

F5 S-_OE H9 F-_OE B8 S-_WE C3 F-_WE

CP_OEN CP_WEN

WR_PROTECT

D10 F-VCC E4 F-VPP S-VCC D9 DQ15 DQ14 DQ13 DQ12 DQ11 DQ10 DQ9 DQ8 DQ7 DQ6 DQ5 DQ4 DQ3 DQ2 DQ1 DQ0

B7 B9 C7 D7 E6 E8 F7 F8 B10 C8 C10 C9 E10 E9 F10 F9

D5 T1 D6 T2 E7 T3 F6 T4 NC NC NC NC NC NC NC NC NC NC

A1 A2 H1 H2 H3 A10 A11 A12 H11 H12

H8 GND A9 GND GND D3 1 NC 2 NC

3-10

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D(0:15)

D(15) D(14) D(13) D(12) D(11) D(10) D(9) D(8) D(7) D(6) D(5) D(4) D(3) D(2) D(1) D(0)

SGH-P400 Flow Chart of Troubleshooting

6. Speaker Part There is no sound from Speaker

No

Is the terminal of Speaker O.K.?

Replace the Speaker

Yes No Are there any signals at the C220,C227?

Check LCD or Replace CN200

Yes

Yes

Yes

Is there any signals at the pin#5 pin#7 of U400? pin#7 of U400?

The pin#4 of U400 is "Low"

The type of sound from the Speaker is Melody

No

Is there any signals at the pin#2 and pin#10 of U400?

Yes

No

No

Check U401 Yes

Yes

The pin#4 of U400 is "High" No

No

Check U700

Check U400

END

3-11

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

SGH-P400 Flow Chart of Troubleshooting

JTAG

C601

C602

C603

C604

C600

10NF

10NF

10NF

10NF

220NF

TRST TD O TD I TM S TC K F_W E VBAT GND HP_PW RX TX

R

VCCD

VCC_1.8A

VCCD

VRT C

SDS_TXD SDS_RXD JIG_ON VBAT

C605 100NF

YMU_LED VCC_1.8A

C606 27PF

VCC_1.8A

CP_WEN CP_TCK CP_TMS CP_TDI CP_TDO RST

C607 22NF

C608 10NF

A(22) VCC_1.8A

C610

C611

C612

C613

C609

10NF

10NF

10NF

10NF

220NF

VCCD

R600 47K VREF CLK13M_TR TR_RST

D(0) D(1) D(2) D(3) D(4) D(5) D(6) D(7) D(8) D(9) D(10) D(11) D(12) D(13) D(14) D(15)

A(0:20) A(0) A(1) A(2) A(3) A(4) A(5) A(6) A(7) A(8) A(9) A(10) A(11) A(12) A(13) A(14) A(15) A(16) A(17) A(18) A(19) A(20)

A(21) CP_CSROMEN CP_CSRAMEN YMU_EN CLCD_EN FLIP_SNS_2 CP_CSROM2EN

B13 F11 E14 D15 B15 C14 A16 A15 B17 C17 D16 F14 G14 G13 G17 J12 K12 K13 K14 L14 L15 L16 A12 A13 M15 M14 M11 N14

5 6 0 0 1 7 2

4 7 6 6 6 5

6 7 6 3

1 0

4

XCP_D0 XCP_D1 XCP_D2 XCP_D3 XCP_D4 XCP_D5 XCP_D6 XCP_D7 XCP_D8 XCP_D9 XCP_D10 XCP_D11 XCP_D12 XCP_D13 XCP_D14 XCP_D15

TDO TRST TDI TMS TCK

CKO IOBIT#2 IOBIT#1 INT#0 IO7 RWN

XCP_A0_BEO N XCP_A1 XCP_A2 XCP_A3 XCP_A4 XCP_A5 XCP_A6 XCP_A7 XCP_A8 XCP_A9 XCP_A10 XCP_A11 XCP_A12 XCP_A13 XCP_A14 XCP_A15 XCP_A16 XCP_A17 XCP_A18 XCP_A19 XCP_A20 XCP_A21

C13 XCP_WEN P16 XPA4/OEN P15 XPA5/WAIT N T15 XPA6/BE1N

CP_INT CAM_INT FLIP_SNS YMU_IRQ

M9 XPA7/IRQ1 T5 P2 XPA8/IRQ2 XPA9/IRQ3 N2 XPA10/IRQ4

DB#15 DB#14 DB#13 DB#12 DB#11 DB#10 DB#9 DB#8 DB#7 DB#6 DB#5 DB#4 DB#3 DB#2 DB#1 DB#0

P10 R11 T11 U11 M8 N8 N7 P7 M6 R7 T7 U7 P6 R6 U6 P5

XCPTSTSTOP_CKO

D12 M12

EL_EN LED_EN DSP_INT DSP_IO DSP_RWN DSP_AB(8:0) DSP_AB(8) DSP_AB(7) DSP_AB(6) DSP_AB(5) DSP_AB(4) DSP_AB(3) DSP_AB(2) DSP_AB(1) DSP_AB(0)

DSP_DB(15:0)

DSP_DB(15)

VCCB

DSP_DB(14) DSP_DB(13)

U602

DSP_DB(12) DSP_DB(11) DSP_DB(10)

0 1 2 3 4

XCP_KB0/SIN XCP_KB1/SIN XCP_KB2/SIN XCP_KB3/SIN XCP_KB4/SIN XCP_KB5/SOUT XCP_KB6/SOUT XCP_KB7/SOUT XCP_KB8/SOUT XCP_KB9/SOUT XPA11/IRDARX XPA12/IRDAT XPA30_IM0 XPA31_IM1 XPA15/TX 0 XPA16/RX0 XPA28_IOM0 XPA29_IOM1 XPA13_TX 1 XPA14_RX1 XSM0_DATA XSM0_CLK XPA19/CP_MOSI XPA20/CP_MISO XPA21/CP_SCK XPA22/SSN XPWM1 XPA23/PWM2 XPA24/PWM3 XFRST B XPA25_OM0 XPA26_OM1 XPA27_SM1_CLK XPA17_DRQ0 XPA18_T_ACK XPA33_T_REQA XPA34_T_REQB XCP_TCK XCP_TMS XCP_TDI XCP_TRSTN XCP_TDO

XBSWN X1RTC X2RTC XRTCALARM_N XOSC32OUT

2 VO VS 1 GND 3

DSP_DB(9) DSP_DB(8) DSP_DB(7)

R601

DSP_DB(6)

1M

DSP_DB(5) DSP_DB(4) DSP_DB(3) DSP_DB(2) DSP_DB(1) DSP_DB(0)

VCCB

R1108 0

C4022 1.5K 26M_INPUT_SSV

R603

D11 XAG3 E11 XAG2 A11 XAG1 B11 XAG0

0 1 2 3 4

CP_WEN CP_OEN DEBUG_DCD UPPER_BYTE

AB#8 AB#7 AB#6 AB#5 AB#4 AB#3 AB#2 AB#1 AB#0

XTIC_MODE

DSP_TD O TR_RST DSP_TD I DSP_TMS DSP_TC K

G15 L12 K11 N4 R12 U5 T17 T14 R14 P12 P11 N11 R13 M10 U13

U601

XCP_CSROMEN XCP_CSRAMEN XPA0/CS1 N XPA1/CS2 N XPA2/CS3 N XPA3/CS4 N

F12 F15 H12 G12 H13

ICHRG

10K,1% BP_V F VBAT

B7 A7 D10 E8 C6

TR_RST

RTCALARM CLK32K

R604 33K,1%

OSC601

L4 L5 M4 T1 R2 T3 U3 P3 T4 N3 K5 N1 F3 E1 H4 L3 G5 F1 G6 G3 U1 2 N1 0 L2 L1 K4 J6 R5 H6 H5 F4 M3 G2 G4 E4 P1 3 N1 7 M1 7 D7 G8 C7 F9 D1 3

R602 47K

A6 B5 F8 F7 C5 D6 E7 D5 C4 B4 B3 C1 C2 D2 D3 E3

X

D(0:15)

NC NC XPA36_A23_CS5 N XPA35_A22 VDD XPA32_CS0 N VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VDD VDD VDD VDD VDD VDD VDD VDD VDD VDDE VDDE VDDE VDDE VDDE VDDE VDDE VDDE VDDE VDDE VSS_DPL L VDD_DPLL XVREF VSSA VDDA VRT C CKI RSTB

1 2 N1 L13 L17 H1 L9 J11 L8 M7 L10 L6 K7 K6 J7 H1 H7 G1 G9 F6 A3 A2 C1 A5 R1 R1 T1 R4 R1 G1 E2 B1 E1 E1 N1 U1 U1 P8 U2 M1 B1 E1 G1 F1 E1 C1 D8 F1 C1

5

DLC_DETECT

L1009 NC

C4021 100K

C614 22PF

R605 33K,1%

C616 22PF

C615 100PF

KEY_COL(0:4) KEY_COL(0) KEY_COL(1)

CP_TDO TR_RST CP_TDI CP_TMS CP_TCK

KEY_COL(2) KEY_COL(3)

KEY_ROW(0:4)

KEY_COL(4) KEY_ROW(0) KEY_ROW(1) KEY_ROW(2)

DEBUG_DSR WR_PROTECT EAR_SWITCH JACK_IN

KEY_ROW(3) KEY_ROW(4)

IRDA_RX IRDA_TX

PWR_KEEP SIMRST DEBUG_RI

DEBUG_DTR DEBUG_RTS DEBUG_TXD DEBUG_RXD DEBUG_CTS

FLASH_RESE T AUDIO_AMP_EN CHG_ON

IRDA_EN

UP_CS UP_SCLK UP_SDI

SDS_TX D SDS_RXD SIMDATA SIMCLK CHG_DET

3-12

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

TR_RSTR

ST

R606 10 C617 10NF

SGH-P400 Flow Chart of Troubleshooting

7. EGSM Reciever CONTINUOUS RX ON RF INPUT : 62CH AMP : -50dBm

NO

NORMAL CONDITION catch the channel?

Check soldered status of L1000, L1003

YES NO

CN1001 resolder or change

NO

U1005 resolder or change

NO

C1003,C1004,L1001 resolder or change

U1005 CHECK pin15 ≥ -65dBm ? YES U1005 CHECK pin1, 2 ≥ -65dBm ? YES U901 CHECK pin21,22 ≥ -65dBm ? YES

U901 pin 12,13≥ -20dBm ?

NO

NO

U902 CHECK pin5,25,28 : 3V ?

NO

YES

YES

NO

U902 CHECK pin 7 : 13MHz ? Vp-p : 860mV?

U902 change or resolder

NO

OSC801 CHECK pin 3 : 13MHz ? Vp-p : 950mV?

NO

OSC801 CHECK pin 4 : clean 3V ? YES

YES

YES

U901 CHECK pin 14,23,26,32: clean 2.8V?

U100pin33 , C110 check or resolder

OSC801 change or resolder

C804,R803 resolder

U100pin39, C111 check or resolder

YES U901 pin3,4 Vp-p : 240mV?

NO

NO

U900 CHECK pin6, 20 : 2.8V ?

YES

U901 pin1, 2 Vp-p : 250mV ?

YES NO

U901 resolder or change

U900 resolder or change

YES U900 pin 2,3,4,5 Vp-p : 100mV ? YES

CHECK U700

NO

3-13

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

U100pin33, C110 check or resolder

SGH-P400 Flow Chart of Troubleshooting

U700

DSP_AB(0:8) DSP_AB(0) DSP_AB(1) DSP_AB(2) DSP_AB(3) DSP_AB(4) DSP_AB(5) DSP_AB(6) DSP_AB(7) DSP_AB(8)

DSP_DB(0:15)

DSP_DB(0) DSP_DB(1) DSP_DB(2) DSP_DB(3) DSP_DB(4) DSP_DB(5) DSP_DB(6) DSP_DB(7) DSP_DB(8)

U701

DSP_DB(9) DSP_DB(10)

6

1

DSP_DB(11) DSP_DB(12) DSP_DB(13)

2 VCCD

DSP_DB(14) DSP_DB(15)

P5 N4 N3 P2 P1 N1 M2 L2 K1

AB0 AB1 AB2 AB3 AB4 AB5 AB6 AB7 AB8

J2 H2 J5 J1 H3 G3 F5 G2 F2 E2 D2 D4 E1 E4 C2 B1

DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 DB8 DB9 DB10 DB11 DB12 DB13 DB14 DB15

K9 SERCK M8 SERDA P9 SERLE1 M7 SERLE2 RFOVL TXP TXIP TXIN TXQP TXQN RXIP RXIN RXQP RXQN

5

4

K4 RWN K2 IO A10 RESETN

DSP_RWN DSP_I O RST

3

P10 N10 N9 N8

GSM_TX_EN

C714 33PF

6

1

B4 A5 B5 B6 B7 D5 A6 E6 C7 C8 A9 E9

EN_VRF EN_VPAC SYN_EN TX_EN SI_EN

2 VCCD

5 VCCD

4

3

SVC_RED SVC_GREEN SVC_BLUE TX_BAND_SEL

OCTL0 OCTL1 OCTL2 OCTL3 OCTL4 OCTL5 OCTL6 OCTL7 OCTL8 OCTL9 OCTL10 OCTL11

C715 33PF

U703 1

6

2 VCCD

C706 10NF

C707 10NF

C708 10NF

C709 10NF

K5 K6 E5 E7 E8 E10 G5 G10 H5 H10 K8 K10

J14 J10 H12 H13 J13 L11

TXIP TXIN TXQP TXQN

M13 N14 P14 RXIP

D11 VREG A13 MICIN B12 MICOUT

MICIN MICOUT

A14 AUXIN B14 AUXOUT

AUXIN AUXOUT

RXIN

AOUTAP F13 G13 AOUTAN D13 AOUTBP AOUTBN E14

AOUTAP AOUTAN AOUTBP AOUTBN

K7 MC G12 AFC N7 XOENA N5 XOENAQ

CLK13M_MC AFC XOENA

RXQP

C701 68PF

C702 68PF

CLK32 K

REFC C13 B11 VXVCM K14 RAREF1 L13 RAREF2 B8 DAIDO B9 DAIDI B10 DAICK DAIRN D10 UC B3 A2 UC

C703 220NF

C704 1UF C705 100NF

TP710 TP711 TP712 TP713 VCCA

VCCD

K11 GNDB K13 VDDB

F1 VDD1 P6 VDD2 A1 VDD3

DCS_TX_EN

TXPOWER

C700 100PF

N6

N12 XTALA XTALB N11

L5 CINTR L4 DINTR

CP_INT DSP_INT

U702

TMS TDI TCK TDO

R701 5.1K

SERCL K SERDAT SERLE

F14 VDDC F10 GNDC

VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS

R705 2.4

R706 2.4

E13 VDDA E11 GNDA P13 VDDD L10 GNDD 1 NC 2 NC

C710 10NF

C711 10NF

C712 10NF

C713 10NF

5

4

3

PCS_RX_EN

C716 33PF

3-14

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

RXQN

SGH-P400 Flow Chart of Troubleshooting

8. EGSM transmitter

U1005 pin 12 : about 2~3 dBm?

NO

NO

U1005 pin13 : 2.8 V?

U700 check & change

YES YES CN1001, C1000 check&change

Between L1008&C1007 ≒ 4~5dBm?

NO

CONTINUS TX ON CONDITION TX POWER DAC:500 CODE APPLIED CH:62 RBW : 100KHz VBW : 100KHz SPAN : 10MHz REF LEV. : 10dBm ATT. : 20dB

YES U1005 check & change NO

C1014 : 3.7 V?

BATTERY, U100 check & change

YES Between R1008& U1001 : 1.2V?

NO

R1008 check & change

YES NO

NO

U700 check & change

YES

R1001: ≒ -5dBm ? YES NO

C1016 : 3V? YES U1001 change

U700 check

NO

U901 pin14,23,26,32 : 2.8V ? YES

U100pin39,C11 1 change or resolder NO

U901 pin9,10,12,13 :-20dBm ? YES U901 pin5,6,7,8 :1.7V ?

NO

NO

U902pin5,25, 28 : 3V ?

U100 pin33,C110 change or resolder

YES U902 pin 7 : 13MHz? Vp-p: 950mV

NO

OSC801 pin 3 : 13MHz? Vp-p : 950mV

YES

U1001 change or resolder

U902 pin9,10,11, 1213: 3V?

OSC801 change or resolder

YES

YES U700 change

NO

NO

U700 check or change

0SC801 pin 4 : 3V ? YES

YES

U902 change or resolder

U901 change or resolder

3-15

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

NO

U100 pin33,C110 change or resolder

SGH-P400 Flow Chart of Troubleshooting

VOSC

R818 0 13MHZ_BB

R801 10

CLK13M_TR

(From SI4201)

C803 10NF

OSC801

R802 200

C802 30PF

CLK13M_MC CLK13M_YMU

4

VT VCC

1

AFC

C801 15PF

R800 560

C804 10NF

3

R803 100 CLK13M_RF

GND OUT

2

TCO-9141B(13MHz) C805 10NF

C806 10NF

VCCD VCCD

U802

2

FLIP_SNS_2

U803 1

OUT VCC GND

2

FLIP_SNS

C807 100NF

1 OUT VCC GND

3

C808 100NF

3

KEY_COL(4:0)

1

2

34

5

CAM_MENU

KEY_COL(4) KEY_COL(3) KEY_COL(2) KEY_COL(1)

PWR_ON

KEY_COL(0)

KEY_ROW(4:0)

END_PWR KEY-XBS

SEND KEY-XBS

CLEAR KEY-XBS

12

12

12

T KEY-XBS

I KEY-XBS

12

12

VBAT

LED801 LED802

LED804 LED805

LED807 LED808

LED810 LED811

LED813 LED814

R806 1502

R808 220

R810 220

R812 220

R814 150

LED819 LED820 LED821 LED822

KEY_ROW(0)

1 KEY-XBS

2 KEY-XBS

3U KEY-XBS

P KEY-XBS

12

12

12

12

1

2

34

5 VOL_UP

KEY_ROW(1)

R809 24

R811 24

R813 24 R820 0

BACKLIGHT_1

12

34

R807 4

5

4 KEY-XBS

5 KEY-XBS

6 KEY-XBS

DOWN KEY-XBS

12

12

12

12

7 KEY-XBS

8 KEY-XBS

9 KEY-XBS

LEFT KEY-XBS

F1 DD-DOM-4PIE

12

1

12

12

* KEY-XBS

0 KEY-XBS

SH KEY-XBS

RIGHT KEY-XBS

F2 KEY-XBS

12

12

12

12

12

VOL_DN

KEY_ROW(2)

2

1

2

KEY_ROW(3)

KEY_ROW(4)

3-16

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

R815 150

R816 150

R817 150

R819 150

R821 150 BACKLIGHT_2

SGH-P400 Flow Chart of Troubleshooting

9. DCS Reciever CONTINUOUS RX ON RF INPUT : 698CH AMP : -50dBm

NORMAL CONDITION catch the channel?

NO

Check soldered status of L1000, L1003

NO

CN1001 resolder or change

NO

U1005 resolder or change

YES U1005 CHECK pin15 ≥ -65dBm ? YES U1005 CHECK pin 3,4 ≥ -65dBm ? YES NO

U901 CHECK pin19,20 ≥ -65dBm ?

C1005,C1006,L1002 resolder or change

YES

U901 pin 12,13≥ -20dBm ?

NO

U902 CHECK pin5,25,28 : 3V ?

NO

U100pin33 , C110 check or resolder NO

YES YES U902 CHECK pin 7 : 13MHz ? Vp-p : 860mV?

NO

NO

NO

YES

YES U902 change or resolder

U901 CHECK pin 14,23,26,32: clean 2.8V?

OSC801 CHECK pin 3 : 13MHz ? Vp-p : 950mV?

R803,C804 change or resolder

U100pin39, C111 check or resolder

YES U901 pin3,4 Vp-p : 240mV?

NO

U900 CHECK pin6, 20 : 2.8V ?

NO

U100 pin33, C110 check or resolder

YES

YES

U900 resolder or change U901 pin1, 2 Vp-p : 250mV ?

NO

U901 resolder or change

YES U900 pin 2,3,4,5 Vp-p : 100mV ? YES

NO

CHECK U700

3-17

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

OSC801 CHECK pin 4 : clean 3V ? YES OSC801 change or resolder

SGH-P400 Flow Chart of Troubleshooting

VOSC

13MHZ_BB

SI_EN

SERDAT

C903 22NF

VRFV

C904 100PF

RF

SERCLK SERLE

C905 22NF

22 21 20 19 18 17 16

C906 22NF

GND GND VDDA XOUT SDI SCL K SENB

C907 47PF

SDO 15

2 RXQP

PDNB 14

SI_EN

GND 13

XOENA

RXQN

4

RXIP

5

RXIN

VOSC

(XOUT_EN)

RXQN U900

RXIP RXIN

ION 12

1

IOP 11

2

TXIP TXIN

C910 22NF

ION IOP

RFOD 24

3 CKN

VDD1 23

4 CKP 5 TXIP 6 TXIN 7 TXQP 8 TXQN

23 24 6 7 8 9 10

TXQP TXQN

U901

CLK13M_RF

GSM_LNA_IN_P

RFIDN 20

DCS_LNA_IN_N

RFIDP 19

DCS_LNA_IN_P

RFIPN 18

PCS_LNA_IN_N

RFIPP 17

PCS_LNA_IN_P

VOSC

L900 3.9nH

VOSC

C913 22NF

9

PDNB 10

SYN_EN

IFLOP

U902

IFLON

11

VDDR

12

SDO

RFLOP

SENB

SERLE

13

SDI

C919 100PF

C917 100PF

C918 100PF

B A

D C

30 29

RFLON GND

VOSC

15 16 17 18 19 20 21

C916 100PF

NC

GND RFL RFL GND RFL RFL GND

14

SERDAT

28 23

SCLK

SERCLK

27

VDDI

26

8

GND NC

C915 10PF

25

GND

24

GND

22

32

GND

XI N GND VDDD GND IFLA IFLB GND

31

7 6 5 4 3 2 1

CLK13M_RF

C909 22NF

GSM_LNA_IN_N

VRF

C914 100PF

VRF

RFIGP 21

35 36 9 10 11 12 13 14 15 16

C912 10PF

DPCS_PAM_IN

C908 33PF

RFIGN 22

GND GND IFLO P IFLO N GND RFLOP RFLON VDD2 DIAG 2 DIAG 1

C911 100PF

25

34 33 32 31 30 29 28 27 26

GND GND VDD3 PDNB GND L1 L2 GND VDD4 RFOG

3

GND GND VDDC XI N GND CKP CKN

RXQP

GSM_PAM_IN

1 GND

C920 22NF

MICRO STRIP LINE

3-18

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

SGH-P400 Flow Chart of Troubleshooting

10. PCS Reciever CONTINUOUS RX ON RF INPUT : 660CH AMP : -50dBm NORMAL CONDITION catch the channel?

NO

Check soldered status of L1000, L1003

NO

CN1001 resolder or change

NO

U1005 resolder or change

NO

C1017,F1003 resolder or change

YES U1005 CHECK pin15 ≥ -65dBm ? YES U1005 CHECK pin6 ≥ -65dBm ? YES F1003 CHECK pin 4,6 ≥ -65dBm ? YES NO

U901 CHECK pin17,18 ≥ -65dBm ?

C1009,C1010,L1006 resolder or change

YES

U901 pin 12,13≥ -20dBm ?

NO

U902 CHECK pin5,25,28 : 3V ?

NO

U100pin33 , C110 check or resolder NO

YES YES U902 CHECK pin 7 : 13MHz ? Vp-p : 860mV?

NO

R803,C804 change or resolder

U902 change or resolder

YES

NO

NO

U100pin39, C111 check or resolder

U900 CHECK pin6, 20 : 2.8V ?

U901 pin3,4 Vp-p : 240mV?

NO

U100 pin33, C110 check or resolder

YES U900 resolder or change

YES

U901 pin1, 2 Vp-p : 250mV ?

NO

YES

YES

U901 CHECK pin 14,23,26,32: clean 2.8V?

OSC801 CHECK pin 3 : 13MHz ? Vp-p : 950mV?

NO

U901 resolder or change

YES U900 pin 2,3,4,5 Vp-p : 100mV ? YES

NO

CHECK U700

3-19

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OSC801 CHECK pin 4 : clean 3V ? YES OSC801 change or resolder

SGH-P400 Flow Chart of Troubleshooting

ANT1

CN1001 1 2 3

L1003 1.8NH

1

C1000 47PF

2

1

3 OUT

IN

GND GND

3

4

C1002 0.75PF

2

L1000 4.7nH

C1003 0.75PF U1005

C1004 0.75PF

15

GG

C1008 1PF

C1005 0.75PF

DCS_LNA_IN_N

G

C1006

7 14 16 19 20

C1007 47PF

L1007 3.3nH R1000 18

0.75PF

C1009

2

OUT1 IN OUT2 G1 G2 G3 1 35

R1004 18

4 6

DPCS_PAM_IN U1001

R1005 180

10

VCC

P

8 12

VCC2 VCC2

GND 13

C1012 33PF

DCSI GSMI PCSOUT GSMOUT

N N

VBAT

7 11 9

R1006 300

VPAC

BAND TXEN VBATT VREG VRAM

C1013 100UF 6.3V

21 3 4 5 6

R1007 300

C1014 1NF

TX_BAND_SEL

C1015 33PF

DCS_LNA_IN_P

F1003

R1001 180

R1002 300

L1002 8.2nH

C1017 10PF

L1008 18nH

GSM_PAM_IN

R1003 300

GG

30nH

GSM_LNA_IN_P

ANT EGSMRX 13 VC1 1 EGSMRX 2 11 VC2 DCSRX 3 5 VC3 DCSRX 4 10 DCS/PCSTX PCSRX 6 12 EGSMTX

GSM_TX_EN DCS_TX_EN PCS_RX_EN

GSM_LNA_IN_N L1001

R1008 100K,1%

TXPOWER TX_EN

C1016 33PF

3-20

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0.75PF

PCS_LNA_IN_N C1010 0.75PF

L1006 7.5NH

PCS_LNA_IN_P

SGH-P400 Flow Chart of Troubleshooting

11. DPCS transmitter

U1005 pin 10 : about 2~3 dBm?

NO

NO

U1005 pin11 : 2.8 V?

U702,U703 check & change

YES YES CN1001, C1000 check&change

Between L1001&L1007: ≒ 4~5dBm?

NO

CONTINUS TX ON CONDITION CH:698CH(DCS), 660CH(PCS) TX POWER CODE:350 CODE APPLIED RBW : 100KHz VBW : 100KHz SPAN : 10MHz REF LEV. : 10dBm ATT. : 20dB

YES U1005 check & change NO

C1014 : 3.7 V?

BATTERY, U100 check & change

YES Between R1008& U1001 : 1.2V?

R1008 check & change

NO

NO

U700 check & change

YES YES NO

R1005: ≒ -5dBm ? YES NO

C1016 : 3V? YES U1001 change

U700 check

NO

U901 pin14,23,26,32 : 2.8V ? YES

U100pin39,C11 1 change or resolder NO

U901 pin9,10,12,13 :-20dBm ? YES U901 pin5,6,7,8 :1.7V ?

NO

NO

U902pin5,2 5,28 : 3V ?

U100 pin33,C110 change or resolder

YES U902 pin 7 : 13MHz? Vp-p: 950mV

NO

OSC801 pin 3 : 13MHz? Vp-p : 950mV

YES

NO

OSC801 change or resolder

YES

YES U700 change

U1001 change or resolder

U902 pin9,10,11, 1213: 3V?

NO

U700 check or change

0SC801 pin 4 : 3V ? YES

YES

U902 change or resolder

U901 change or resolder

3-21

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

NO

U100 pin33,C110 change or resolder

SGH-P400 Flow Chart of Troubleshooting

12. Camera part

"Camera" function does not work Yes No

Check the connect CN1101

Connect the camera module

Yes No U1104 pin 5 = 3.0V

Check U1104 and C1134

Yes No U1106 pin 4 = 2.5V

Check U1106, C1135 and R1106

Yes No

U1102 pin 3 = 27MHz

Check U1102 and C1126

Yes No

Check U1109 pin4 has low-active signal.

Check U1107, U1112 and U1109

Yes No

Check U1108 pin4 has low-active signal.

Check U1110, U1111 and U1108

Yes END

3-22

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SGH-P400 Flow Chart of Troubleshooting

CN100 1 1 22 3 3

C100 100NF

C102 2.2UF

C104 33PF

C103 33PF

VBAT

6 6 5 5 4 4 GG G G 10 9 8 7

C101 33PF C105 1UF

C106 100NF

VBAT

VREF VOSC

TA_VEXT PWR_ON JIG_ON

RTCALARM PWR_KEEP R102 330K

UP_SCLK UP_CS

Q100

EN_VRF EN_VPAC

KEY_COL(2)

3 KEY_ROW(0)

UP_SDI

1

XOENA

2

R1130

42

C108 1UF

32 VL5S_A 31 VL5S_B VLDO_5

1 VEXT 43 BTEMP

VDD5

U100 VLDO_4

C109 1UF

33

C110 1UF

34

VRF

36 VL4S_A 35 VL4S_B

46 PWR_SW1N 47 PWR_SW2 13 RTC_ALMN 21 PWR_KEEP 20 14 PSW1_BUF INTRQ 15 SDI 16 SDO 17 SCLK 18 CSN 22 23 24 25 26 27

VLDO_7 40

VLDO_6

3 VACC 2 VBAT

R101 NC

VCCB

VDD67 41

44 ADC_AUX1 45 ADC_AUX2 56 ADC_TRIG

VRTC

VCCA

6

GNDD1

28

VREF

CREF

30

GNDQ

29

VSI M

48

SIM_IO

UP_RST 53 UP_CLK 52 UP_IO

51

SIM_CL K

54

SIMRST SIMCLK SIMDATA

SIM_RST

49 50

37

VDD34 38 VCC_1.8A VCCD

VLDO_3

VRTC EN_3 EN_4[0] EN_4[1] EN_5 EN_5A EN_5B

VPAC

C111 1UF

VBAT

39

C112 470NF

VRTC

12

R103 VLDO_2

RESETN

55 RING_PWM VLDO_1

57 GND 58 GND 59 GND 60 GNDG

5

4

7

1.2K,1%

C113 100PF

R105 10

19

RST

1 POS

9

M1

10

LED2_DRV

LED1_DRV

VIB_DRV

RING_DRV

VDD12

11

C116 1UF

C117 1UF

C114 2.2UF

NEG 2

C115 10NF

8

R112 0

BACKLIGHT_1 BACKLIGHT_2

Q101

6 5 2 1

VCCD

4 U101

1 ISENSE

R110 NC

2

3 VCC

TA_VEXT

Q102

R111 10K,1%

2

3

VSENSE

5

PROG

4

VBAT

C118 10UF 6.3V

U102

C119 10UF 10V

CHG_DET

3

6 DRIVE

GND

1

1

6

2

CHG_ON

5

R107 47K,1%

R108 10K,1%

TA_VEXT

ICHRG 3

4

R109 3K

3-23

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4. SGH-P400 Exploded View and its Parts list 1. Cellular phone Exploded View

12 10

13 14 15

11

16

20

1

17 18

9

19 22

2

21

3 4

23 24

25 26

5 27

28

6 7

33

29

8

30 31 34

32

4-1

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SGH-P400 Exploded view and its Part list

2. Cellular phone Parts list Location

Description

NO.

SEC CODE

1

FOLDER UPPER

GH75-03185A

2

MAIN LCD

GH07-00253A

3

MOTOR

3101-001295

4

SPEAKER

3001-001423

5

FOLDER LOWER

GH75-02834A

6

SCREW

6001-001479

7

FOL/SCREW COVER

GH73-01508A

8

WINDOW LCD

GH72-05737B

9

FPCB

GH59-00802A

10

HINGE HOUSING

GH75-02571A

11

SCREW

6001-001456

12

SCREW

6001-001834

13

HINGE WASHER

GH71-01152A

14

CAMERA RING

GH71-01136A

15

CAMERA

GH59-00803A

16

ASS'Y PIECE

GH72-07120A

17

HINGE HOUSING CAP

GH72-06417A

18

SIDE COVER

GH71-01577A

19

SCREW

6001-001670

20

SIDE CAP

GH71-01577A

21

FRONT COVER

GH75-02833A

22

VOLUME KEY

GH75-02838A

23

KEYPAD

GH75-02836C

24

MAIN PBA

GH92-01496A

25

DOME SHEET

GH59-00781A

26

MIC

GH59-00626A

27

CONN COVER

GH73-01445A

28

ANTENNA

GH42-00248A

29

REAR COVER

GH75-02837A

30

SCREW

6001-001155

31

REAR SCREW COVER

GH73-01507A

32

RF COVER

GH73-01506A

33

SHOT KEY

GH75-02887A

34

BATTERY

GH43-00983A

4-2

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Remark

SGH-P400 Exploded view and its Part list

3. Test Jig (GH80-00865A)

3-1. RF Test Cable

3-2. Test Cable

(GH39-00090A)

3-3. Serial Cable

(GH39-00127A)

3-4. Power Supply Cable

3-5. DATA CABLE (GH39-00159A)

3-6. TA (GH44-00171C)

4-3

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5. SGH-P400 MAIN Electrical Parts List SEC Code

Design LOC

SEC Code

Design LOC

GH71-00434A

ANT1

2203-000812

C209,C210,C211,C212

2203-005061

C100,C1103,C1104

2203-000812

C213,C214,C215,C216

2203-000995

C1000,C1007,C907

2203-000812

C217,C218,C219,C220

2203-002677

C1002,C1003,C1004

2203-000812

C222,C223,C224,C225

2203-002677

C1005,C1006,C1009

2203-000812

C226,C227,C228,C229

2203-005288

C1008

2203-000812

C230,C411,C714,C715

2203-000812

C101,C1012,C1015

2203-000233

C236,C237,C238,C239

2203-002677

C1010

2203-000233

C240,C241,C615,C700

2404-001134

C1013

2203-005061

C400,C402,C408,C414

2203-000438

C1014,C202,C221

2203-000311

C401

2203-000812

C1016,C103,C104,C203

2203-000438

C4018,C4019,C413

2203-000278

C1017,C912,C915

2203-000359

C4020,C419

2203-006201

C102

2007-000162

C4021,R400

2203-005065

C105,C1135,C231,C232

2007-000242

C4022

2203-005482

C106,C1110,C1111

2203-001405

C403,C607,C903,C905

2203-006053

C108,C109,C110,C111

2404-001086

C404,C412

2203-000254

C1100,C1102,C1105

2203-000585

C407

2203-005496

C1101,C301,C600,C609

2203-005065

C409,C417,C704

2404-001100

C1106,C1107,C1134

2404-001151

C416

2203-000254

C1108,C1123,C1126

2203-001259

C420

2203-005061

C1109,C1113,C1114

2203-000885

C421

2203-005482

C1112,C1115,C200

2203-005061

C500,C501,C502,C503

2203-005481

C1116

2203-000254

C601,C602,C603,C604

2203-005061

C1117,C1118,C1119

2203-005061

C605,C705

2203-002494

C112

2203-000679

C606

2203-005061

C1120,C1121,C1122

2203-000254

C608,C610,C611,C612

2203-005061

C1124,C1125,C300

2203-000254

C613,C617,C706,C707

2203-000254

C1127,C1128,C1129

2203-000628

C614,C616

2203-000233

C113,C233,C234,C235

2203-001153

C701,C702

2203-000254

C1130,C1131,C1132

2203-005496

C703

2203-000254

C1133,C115,C205,C504

2203-000254

C708,C709,C710,C711

2203-005796

C114

2203-000254

C712,C713,C803,C804

2203-006053

C116,C117

2203-000812

C716,C908

2404-001105

C118

2203-000386

C801

2404-001268

C119

2203-001412

C802

2203-005509

C201

2203-000254

C805,C806

2203-000812

C204,C206,C207,C208

2203-005482

C807,C808

5-1

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SGH-P400 Electrical Parts List

SEC Code

Design LOC

SEC Code

Design LOC

2203-000233

C904,C911,C914,C916

2007-007107

R1008

2203-001405

C906,C909,C910,C913

2007-000758

R102

2203-000233

C917,C918,C919

2007-007137

R103

2203-001405

C920

2007-000172

R105,R200,R502,R606

3404-001152

CAM_MENU,VOL_DN

2007-007139

R107

3709-001244

CN100

2007-007142

R108,R111,R603

3705-001226

CN1001

2007-001323

R109

3711-005079

CN1101

2007-000982

R1101

3711-005078

CN200

2007-000163

R1102,R403

3710-001673

CN300

2007-000170

R1103,R601

3722-001715

CN401

2007-000148

R1104,R407,R413,R420

0404-001172

D1101,D1102,D1103

2007-001301

R1105

2904-001410

F1003

2007-000171

R1107,R1108,R112

2703-001747

L1000

2007-000171

R113,R205,R414,R818

2703-002542

L1001

2007-000157

R300,R301,R600,R602

2703-002544

L1002

2007-000140

R302,R303,R304,R305

2703-001729

L1003

2007-000140

R306,R308,R419

2703-002543

L1006

2007-000566

R307

2703-002207

L1007

2007-003001

R401,R402

2703-001722

L1008

2007-000161

R404

2703-001751

L900

2007-000775

R405

0604-001146

LED200

2007-001325

R408

0601-001547

LED801,LED802,LED804

2007-000159

R409,R415,R421

0601-001547

LED805,LED807,LED808

2007-000141

R410,R412

0601-001547

LED810,LED811,LED813

2007-001119

R411

0601-001547

LED814,LED819,LED820

2007-001333

R418

0601-001547

LED821,LED822

2007-000160

R501

4302-001130

M1

2007-007308

R604,R605

2801-004025

OSC601

2007-000144

R701

2809-001260

OSC801

2007-007200

R705,R706

0504-000168

Q100,Q102

2007-002797

R800

0502-001201

Q101

2007-000172

R801

0501-000225

Q400

2007-001308

R802

2007-001288

R1000,R1004

2007-000138

R803

2007-001307

R1001,R1005

2007-001306

R806,R814,R815,R816

2007-007008

R1002,R1003,R1006

2007-001290

R807,R809,R811,R813

2007-007008

R1007

2007-000139

R808,R810,R812

5-2

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SGH-P400 Electrical Parts List

SEC Code

Design LOC

2007-001306

R817,R819,R821

2007-000171

R820

1203-002902

U100

1201-001889

U1001

2909-001191

U1005

1203-002127

U101

0506-001052

U102

GH13-00018A

U1101

2804-001492

U1102

1204-001982

U1103

1203-001720

U1104

1203-002704

U1106

1001-001183

U400

1204-001960

U401

1109-001274

U500

GH09-00025A

U601

1209-001219

U602

1204-001984

U700

0504-001042

U701,U702,U703

1009-001010

U802,U803

1205-002185

U900

1205-002268

U901

1209-001434

U902

3404-001152

VOL_UP

0406-001083

ZD300,ZD301

0403-001427

ZD302

1405-001082

ZD303,ZD304,ZD305

1405-001082

ZD306,ZD307,ZD401

1405-001018

ZD308

1405-001082

ZD402,ZD403,ZD405

5-3

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6. SGH-P400 Block Diagrams 1. RF Solution Block Diagram Antenna

CSP1093

GSM:925MHz~ 960MHz

R

L

A D C

PGA

PGA

I,Q

FILTER

FILTER A D C

PGA

A

X

D A C

CHANNEL

N

RF

TRIDENT

PGA

D A C

DCS:1805MHz~1880MHz RF FILTER

PCS:1930MHz~1990MHz RF

100KHz

π/ 2

FILTER

SI4201

DSP16000

SI4200

SERIAL

ASM

SERIAL DATA

DATA,

INTERFACE

CLK,

ARM7TDMI

LE

GSM:890MHz~ 915MHz T

D E T PAM

X

I,Q

DCS:1710MHz~1785MHz

TCVCXO 13 MHz

PCS:1850MHz~1910MHz IF

RF

A F C

PLL

PLL

C L K SI4133T UI 6-1

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SGH-P400 Block Diagrams

2. Base Band Solution Block Diagram POWER

X-TAL

(DC/DC,CHARGER,

13MHz

SIM)

GPRS TRIDENT ACC DSP16000 RS232 PPI (Programmable Peripheral I/O) ARM7TDMI

GPIO

X-TAL 32.768KHz ARM

IO RWN AB[8:0] DB[15:0] INT1 IRQx PAx RSTB

DSPJTAG

RTC EMI

JTAG/ICE

CSP1093 IO RWN AB[8:0] DB[15:0] INT1 IRQx PAx RSTB

TXI/Q RX I/Q TXP SERCK SERLE SERDA OCTL DAICK DAIRN DAIDO DAIDI

JTAG

LCD KEYBOARD

JTAG/ICE

DAI

TXIP TXIN TXQP TXQN RXIP RXIN RXQP RXQN SERCK SERLE SERDA RFOVL TXP OCTL

RF SOLUTION -

RF IC PAM MAIN VCO TX VCO IF VCO

Audio Part

Audio FLASH ROM (128M)

SRAM

LCD

B'D B'D conn.

(16M)

CCD

Keypad CCD conn.

Memory part Camera Solution Camera Asic CAM_D[0:15] CAM_A CAM_WEN CAM_CLCD_EN D[0:15] CP_OEN CP_WEN CAM_INT CLCD_EN 6-2

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Camera DSP Y[0:7] UV[0:7] PCLK

Y[0:7] UV[0:7] PCLK NSUB_DC NSUB_PLUS CINS VDD

7. SGH-P400 PCB Diagrams

M1

C616

R505 C301

C601C604

C409 C704 Q100

R101

C106

C117 C420

MAIN_MIC

U100

C109

C411

C116

C105

U602

C118 CAM_MENU

R601

7-1

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R107

G2

C100

R108R109

C104

C102

U102

C108

Q101

R111

R113

C119

CN300

ZD301 ZD300

R303 C300 R302

R103C113

CN100

R305

C4022 R1108C4021

R301 R304

C706 C600 C610

R600 C606 ZD308 R300 R306

R602 C612 C611

U601

L1009

C603

C608 C501

C114

G4

C504

C602 C613 C609

R606C617C500 C502C607C605R502

R407

C111

R1006R1004R1007C1015

G1

C231

C232 U1102 C708

C707

C410

C417

R409

U700

C415 R412 R410 R413

C416

R705 C705 C711 C712 R411 C710 C703 C418 R415

R112

C1016

C614

U1101 R706

Q400

R102 R105 C903

R818 R802 C802

C803 R800 C801

R417

Q102

U1001

R701 C700

OSC601

C412

C408

C413 C414

OSC801

L900 C912 C914 C920

U901 R1000

R1001

C1013

R1005

L1007 C1008 L1008 C1007

R1003 R1002 C904 C1012C1014 R1008

U500

C112

R110

C1010

C915

U902

C905 C906

C909

ANT1

U900

C110 C907

C1003

C709C713

C115

C908

C1004

C805 R801 C806

C910 C911

L1002

C1005

L1001

U1005

U703

C1006

R418 R420

C804 R803

LED200

R1102

R419

C913

L1006

F1003 C1009

C1121

R408

C405 R400

C407

C400 R402

U701 R1103C1108 R1101

C1130 R1105

C1100 R1104

U1103

C1017

C716

R403R404 R405C401 C403 R421 C421

U401 U702

C1126

C404

U400

C702 C701

G3

U1104

C918C917 C919C916

C1125

C1113

C1127

C1128 C1124

C715

C1134

ZD402 C4018

CN401

ZD401

C1109

C1119 C1114

C1117 C1123

C1104 C1118

C1106

C1103

C1002 L1003L1000

U1106 R1107 C1135

C402

C4019 C714

R416ZD403

CN1001

VOL_DN

R401C1144

R414

C1101

CN1101

VOL_UP

U101

C4020

ZD405

C419

C213 C214

C1107 C1102 C1110

C1112 C1132 C1133

C1131 C1111

D1103

D1102

D1101

C226 C1116

C1115 C1105

CN200

C210 C224 C225 C227 C228

C230

C212 C215

C216

1. Main PCB Top Diagram

7-2

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SAMSUNG Proprietary-Contents may change without notice

C206C218 C219C204

C229

R205

VTREF

HZREF

MCKI

PCLK

F1

TP200

LED802

C503R501 C239 C233 C235 C240 C238 C237 C241 C236 C234

TP206 TP210 TP204 TP208 TP202

R807

R809

LED805

ZD302

TP713

R813

R811

LED808

LED811

TP201 TP203 TP205 TP207 TP209

*

7

4

1

G6

LED814

R820 R815

R817

LED820

C222 C223 C220 C211 C208 C209 C1122

RIGHT

U802 SEND

R819

C201C807

LED821

C217 C202 C200

C205 C221 C207

R200

C1129 C1120

R603 R604 C615 R605

C203

0

8

5

2

R812

LED807

LED810

LED804

R806

LED801

R808

TP710

TP711

R810

TP712

R814 LED813

G7

R816

LED819

ZD303 ZD304 ZD305 ZD306 ZD307

CLEAR

DOWN

I

UP

T

C1000

LED822 R821

SH

9

6

3

END_PWR

LEFT

U803 F2

SGH-P400 PCB Diagrams

2. Main PCB Bottom Diagram

C103C101

C808

ELECTRONICS

ⓒ Samsung Electronics Co.,Ltd. AUG. 2003

Printed in Korea. This Service Manual is a property of Samsung Electronics Co.,Ltd. Any unauthorized use of Manual can be punished under applicable International and/or domestic law.

Code No.: GH68-04315A BASIC.