GSM TELEPHONE SGH-E400
SERVICE GSM TELEPHONE
Manual
CONTENTS 1.
Specification
2.
Exploded Views and Parts List
3.
Electrical Parts List
4.
Flow Chart of Troubleshooting
5.
Block Diagrams
6.
PCB Diagrams
1. SGH-E400 Specification 1. GSM General Specification GSM900 Phas e 1
EGSM 900 Phas e 2
DCS1800 Phas e 1
PCS1900
Fr eq. Band[MHz] Uplink/ Downli nk
890~915 935~960
880~915 925~960
1710~1785 1805~1880
1850~1910 1930~1990
ARFCN r ange
1~124
0~124 & 975~1023
512~885
512~810
Tx/ Rx s paci ng
45MHz
45MHz
95MHz
80MHz
Mod. Bit rate/ Bit Period
270.833kbps 3.692us
270.833kbps 3.692us
270.833kbps 3.692us
270.833kbps 3.692us
Ti me Slot Peri od/Fr ame Per iod
576.9us 4.615ms
576.9us 4.615ms
576.9us 4.615ms
576.9us 4.615ms
Modulati on
0 . 3 GM S K
0.3GMSK
0 . 3 GM S K
0.3GMSK
MS Power
33dBm~13dBm
33dBm~5dBm
30dBm~0dBm
30dBm~0dBm
Power Cl a ss
5pcl ~ 15pcl
5pcl ~ 19pcl
0pcl ~ 15pcl
0pcl ~ 15pcl
Sensit ivit y
- 102dBm
-102dBm
- 100dBm
- 100dBm
TDMA Mux
8
8
8
8
Cell Radius
35Km
35Km
2Km
-
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SGH-E400 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
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2. SGH-E400 Exploded View and its Parts list 1. Cellular phone Exploded View
1
2
9 10
3 4 5
11
12
14 15
13
6
8 16
17
7
18
20 19
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SGH-E400 Exploded view and its Part list
2. Cellular phone Parts list
NO
Description
SEC.CODE
1
DUAL WINDOW LCD
GH72-07016A
2
FOLDER UPPER
GH75-02792D
3
LCD
GH07-00303A
4
SPEAKER
3001-001402
5
MOTOR
GH31-00051A
6
FOLDER LOWER
GH75-02791A
7
MAIN WINDOW LCD
GH72-07015A
8
SCREW
6001-001478
9
FRONT COVER
GH75-02790E
10
VOLUME KEY
GH75-02795A
11
KEYPAD
GH75-02794A
12
MAIN PBA
GH92-01465A
13
ANTENNA
GH42-00274A
14
DOME SHEET
GH59-00724A
15
MIC
GH30-00047A
16
CONNECTOR COVER
GH72-07032A
17
REAR COVER
GH75-02796A
18
SCREW
6001-001478
19
RF COVER
GH73-01819A
20
BATTERY
REMARK
GH43-00826A
900MAH
GH43-00827A
700MAH
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SGH-E400 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
(GH00-00127A)
3-4. Power Supply Cable
3-5. DATA CABLE (GH39-00159A)
3-6. TA (GH44-00184A)
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3. SGH-E400 MAIN Electrical Parts List SEC Code
Design LOC
Design LOC
SEC Code
SEC Code
Design LOC
GH71-00734A ANT1
2203-005061
C125
2404-001105
C462
2203-002668
C1003
2404-001105
C126
2203-000386
C464
2203-002677
C1007
2404-001268
C127
2203-000679
C465
2203-001598
C101
2404-001105
C128
2203-000278
C490
2203-002677
C1011
2203-000995
C129
2203-000278
C492
2203-005552
C1012
2203-006093
C130
2404-001151
C494
2203-002677
C1014
2404-001268
C131
2203-000278
C495
2203-005234
C1015
2203-005480
C200
2203-005480
C504
2203-000812
C1016
2203-005061
C203
2203-005061
C512
2203-002677
C1017
2203-005065
C204
2203-005061
C513
2203-005234
C1019
2203-005509
C205
2203-005061
C517
2203-000654
C1026
2203-000233
C207
2203-005061
C518
2203-000438
C1027
2404-001087
C208
2203-005061
C519
2203-000812
C103
2203-005061
C302
2203-000254
C600
2203-000254
C1038
2203-005509
C400
2203-005496
C601
2203-005061
C104
2203-000654
C401
2203-005496
C602
2404-001134
C1043
2203-005061
C402
2203-000254
C603
2404-001087
C1044
2203-001405
C403
2203-000254
C604
2404-001087
C1045
2404-001086
C404
2203-000254
C605
2203-001598
C105
2203-005061
C408
2203-000254
C606
2203-000812
C106
2404-001151
C409
2203-000254
C607
2203-000812
C107
2404-001268
C410
2203-000254
C608
2203-005061
C108
2203-000438
C411
2203-000254
C609
2203-005481
C109
2203-005061
C412
2203-000254
C610
2203-001598
C111
2203-005065
C414
2203-001405
C611
2203-001598
C112
2203-000233
C415
2203-005061
C612
2404-001268
C113
2203-000278
C416
2203-005061
C613
2203-001598
C114
2203-005056
C417
2203-000233
C614
2203-001598
C115
2203-000278
C450
2203-000628
C615
2203-001598
C116
2203-000812
C451
2203-000628
C616
2203-001598
C117
2203-000278
C452
2203-000679
C617
2203-000233
C118
2404-001105
C453
2203-005482
C618
2203-005061
C119
2203-000679
C457
2203-000995
C619
2203-001598
C120
2203-002668
C458
2203-005496
C709
2203-001598
C123
2203-005503
C459
2203-005065
C710
2203-005061
C124
2203-000854
C461
2203-005061
C711
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SGH-E400 Electrical Parts List
SEC Code
Design LOC
Design LOC
SEC Code
SEC Code
Design LOC
2203-000254
C712
3710-001816
CN302
0601-001547
LED214
2203-000254
C713
3722-001715
CN401
0601-001547
LED215
2203-000254
C714
1405-001018
D300
0601-001547
LED216
2203-000254
C715
0407-000115
D301
0601-001547
LED217
2203-000254
C716
2909-001191
F1002
0601-001547
LED218
2203-000254
C717
2904-001410
F1005
4302-001130
M1
2203-000254
C718
2901-001193
F200
2801-004025
OSC601
2203-000254
C719
2901-001193
F201
2809-001260
OSC801
2203-000233
C720
2901-001193
F202
0504-001113
Q100
2203-000233
C721
2901-001193
F203
0502-001201
Q101
2203-000233
C722
2901-001193
F204
0504-000168
Q400
2203-000278
C800
2703-001907
L1001
0504-000167
Q700
2203-000438
C802
2703-002165
L1002
0504-000167
Q701
2203-000438
C803
2703-002547
L1006
2007-001319
R100
2203-000254
C805
2703-001543
L1007
2007-000171
R101
2203-000438
C806
2203-005056
L1011
2007-002965
R1010
2203-000254
C807
2703-001730
L1013
2007-000139
R1011
2203-000254
C808
2703-001992
L1014
2007-001311
R1012
2203-000254
C809
2703-001751
L1016
2007-000172
R1014
2203-001405
C903
2703-002313
L400
2007-001316
R1015
2203-001405
C905
3301-001105
L801
2007-001316
R1016
2203-001405
C906
2703-001751
L900
2007-000167
R102
2203-001405
C908
0604-001261
LED200
2007-007200
R103
2203-001405
C910
0601-001547
LED201
2007-000162
R1038
2203-000233
C911
0601-001547
LED202
2007-000171
R106
2203-000278
C914
0601-001547
LED203
2007-000171
R109
2203-001405
C915
0601-001547
LED204
2007-000758
R110
2203-000233
C916
0601-001547
LED205
2007-000171
R111
2203-000278
C917
0601-001547
LED206
2007-007139
R112
2203-001405
C921
0601-001547
LED207
2007-001323
R113
2203-000995
C922
0601-001547
LED208
2007-000172
R200
2203-000812
C923
0601-001547
LED209
2007-001292
R201
2203-000233
C924
0601-001547
LED210
2007-001292
R202
3709-001244
CN100
0601-001547
LED211
2007-001307
R203
3705-001226
CN1001
0601-001547
LED212
2007-001307
R204
3711-005078
CN200
0601-001547
LED213
2007-001307
R205
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SGH-E400 Electrical Parts List
SEC Code
Design LOC
Design LOC
SEC Code
SEC Code
Design LOC
2007-001307
R206
2007-000171
R399
2007-000162
R615
2007-001307
R207
2007-000171
R403
2007-000162
R630
2007-001307
R208
2007-000775
R404
2007-000171
R700
2007-001307
R209
2007-000148
R405
2007-007200
R709
2007-001307
R210
2007-000159
R406
2007-007200
R710
2007-001307
R211
2007-000775
R407
2007-000162
R713
2007-001307
R212
2007-001119
R408
2007-000162
R714
2007-001307
R213
2007-000143
R409
2007-000162
R715
2007-001307
R214
2007-001284
R410
2007-001311
R716
2007-001307
R215
2007-001325
R413
2007-001307
R717
2007-001307
R216
2007-000143
R414
2007-000242
R801
2007-001307
R217
2007-000171
R416
2007-002797
R802
2007-001307
R218
2007-000147
R420
2007-000172
R803
2007-001307
R219
2007-000159
R421
02007-000138 R805
2007-001307
R220
2007-007529
R422
2007-000148
R810
2007-000171
R221
2007-000165
R423
2007-000171
R999
2007-002970
R222
2007-000758
R424
3404-001152
SW201
2007-000174
R223
2007-000171
R426
3404-001152
SW202
2007-000174
R224
2007-000140
R427
1203-002568
U100
2007-000174
R225
2007-000171
R428
1201-001889
U1001
2007-000174
R226
2007-000171
R430
1109-001273
U1003
2007-000174
R227
2007-000171
R431
0504-001042
U1004
2007-000174
R228
2007-000171
R433
1009-001010
U1009
2007-000174
R229
2007-000171
R448
1203-001720
U1017
2007-000174
R230
2007-000171
R470
2007-000164
U1018
2007-000174
R231
2007-000171
R499
1203-002127
U102
2007-000174
R232
2007-000162
R506
0506-001052
U103
2007-001301
R233
2007-000171
R507
1204-002161
U401
2007-002970
R234
2007-000148
R599
GH09-00020A U601
2007-000140
R303
2007-000171
R606
1209-001219
U602
2007-000157
R305
2007-000157
R608
1204-001984
U700
2007-000157
R306
2007-000157
R609
0504-001042
U701
2007-000140
R307
2007-000170
R610
0504-001042
U702
2007-000140
R308
2007-007142
R611
0504-001042
U703
2007-000140
R309
2007-007308
R612
0801-002345
U800
2007-000140
R310
2007-007308
R613
1205-002185
U900
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SGH-E400 Electrical Parts List
SEC Code
Design LOC
Design LOC
SEC Code
SEC Code
1205-002268
U901
GH74-05299A
GH71-01572A
1209-001434
U902
GH74-06625A
GH71-01957A
1405-001082
ZD201
GH75-00223A
GH72-07008A
1405-001082
ZD203
GH75-02795A
GH72-07010A
1405-001082
ZD204
GH72-07021A
GH72-08489A
1405-001082
ZD205
GH73-01817A
GH72-08490A
1405-001082
ZD207
GH74-06623A
GH74-04734A
1405-001082
ZD208
GH92-01465A
GH74-05300A
1405-001082
ZD209
GH41-00429A
GH74-05307A
1405-001082
ZD210
GH96-01277A
GH74-05310A
1405-001082
ZD211
GH30-00047A
GH75-02791A
1405-001082
ZD300
GH59-00724A
GH71-01507A
1405-001082
ZD302
GH68-02026A
GH72-07011A
1405-001082
ZD303
GH74-01242A
GH74-03235A
1405-001082
ZD309
GH97-02644A
GH74-04382A
1405-001082
ZD310
3001-001402
GH74-04383A
1405-001082
ZD311
6001-001478
GH74-04384A
1405-001082
ZD312
GH07-00303A
GH74-04388A
1405-001082
ZD313
GH07-00280B
GH74-06043A
1405-001082
ZD314
GH07-00387A
GH74-06044A
1405-001082
ZD315
GH59-00879A
GH75-02792A
1405-001082
ZD316
GH31-00051A
GH72-07012A
1405-001082
ZD317
GH68-02948A
GH72-07013A
1405-001082
ZD318
GH72-07015A
GH72-07014A
1405-001018
ZD319
GH72-07016A
GH74-04385A
1405-001082
ZD404
GH74-04381A
GH74-04386A
1405-001082
ZD409
GH74-04389A
GH74-04387A
1405-001082
ZD410
GH74-04713A
GH75-02793A
1405-001082
ZD411
GH74-04719A
GH71-01508A
6001-001478
GH74-05297A
GH75-03243A
GH43-00826A
GH74-05298A
GH61-00017A
GH43-00827A
GH74-05299A
GH71-00256A
GH44-00184A
GH74-05306A
GH72-00638B
GH72-07032A
GH74-05308A
GH72-08467A
GH73-01819A
GH74-06625A
GH75-02794A
GH74-05297A
GH75-02790A
GH72-07017A
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Design LOC
SGH-E400 Electrical Parts List
SEC Code
Design LOC
GH72-07018A GH72-07019A GH72-07020A GH73-01816A GH97-02645A GH42-00274A GH75-02796A GH68-02026A GH70-00021A GH71-01510A GH72-07028A GH72-07029A GH72-07030A GH72-07031A GH73-01818A GH74-03618A GH74-05307A GH99-03311A 6902-000295 GG68-10705A GH68-00518B GH68-01335D GH68-01778A GH68-03501A GH69-01235A GH69-01580A GH69-01581A
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4. SGH-E400 Flow Chart of Troubleshooting and Circuit Diagrams 1.Baseband 1. Power ON
'Power On' does not work
Check the current consumtion more than 100mA
NO
Downloader again
YES Check the Vbat(battery+ O) Voltage more than 3.3V
NO
Charge the Battery
YES Check the pin 15 of U100 is more than 2.8V
NO
Check U100 and C113
YES U100 pin 46,39 = 2.8V
NO
Check U100 and C116
YES U100 pin 13 = 1.8V
NO
Check U112
YES
Check the clock signal at pin4 of U800 Freq=13MHz ? Vrms°√300mV ? Vpp is around 900mVpp
NO
Check the clock generation circuit (related to OSC801 and U800)
YES 'Power On' does not work
END
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SGH-E400 Flow Chart of Troubleshooting and Circuit Diagrams
2. Initial
Initial Failure
Check the signal at the pin 28 of U100 is "High" when the phone is boot on
NO Check U100
YES NO
Check the pin 22 of U100 is "High"
Check the U700
YES NO
Check the pin 4 of OSC801 is around 2.8V
Check the soldered status of OSC801, R803, U100
YES Check and resolder LCD connector CN200 if there is solder bridhe between the pins
YES END
3. Sim Part Phone can't access SIM card
Check the pin 1 of CN100. Voltage = 3V?
NO
Check the circuit related to U100
YES Check the SIM connector's (CN100) connector's to SIM card
NO
resolder or change CN100
YES Check the circuit around CN100 input circuitry
NO
Check the related circuit of CN100
YES Check the circuit around U601 output and voltage supply circuitry
NO
Check the related circuit of U601 and U100
YES END
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SGH-E400 Flow Chart of Troubleshooting and Circuit Diagrams
4. Charging Part Abnormal charging part
Check the pin 17,18 of CN302 VEXT is > 4V?
NO Check U100
YES Check the pin 2 of U103 is "LOW"?
NO Check the U601
YES Check the pin 3 of Q101 is "LOW"?
NO Check the Q101
YES Check the pin 5 of U102 is "3.2~4.2"?
NO
Check the U102
YES
Check if ICHRG is 1V (during charging) and around 180mV(full charging)
NO
Resolder or change R111
YES END
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KEY_ROW(0)
KEY_COL(2)
TA_VEXT
PWR_KEEP PWR_ON JIG_ON
C105 2.2UF
2
3
C104 100NF
Q100
1
C125 100NF
C106 33PF
EN_VRF EN_VPAC XOENA UP_SDI UP_SCLK UP_CS
RTCALARM
RESET_INT RST
C107 33PF
R110 330K
R101 0
CN100
R102 390K
VRTC
100NF
C119 CHG_DET
TP101
C109
SIMDATA SIMCLK SIMRST
33PF
C103
47NF CPCP CPCN VACC ACC_ALM VEXT CFET_DRV
SIM_RST SIM_CLK SIM_IO VSIM
U100
VLDO_1 VLDO_2 VLDO_3 VLDO_4 VL4S_A VL4S_B VLDO_5 VL5S_A VL5S_B VLDO_6 VLDO_7 VRTC 12
13 15 46 44 43 42 39 38 37 49 52
CREF 34 VREF 35
27 _RESET_I RING_PWM 19 28 9 _RESET_O RING_DRV 8 VIB_DRV 1 11 CHG_STAT0 LED_DRV 14 2 VDD12 CHG_STAT1 47 29 CHG_DET VDD3 45 67 VDD4 32 EOR_ACC 40 VDD5 PWR_KEEP 48 51 VDD6 PWR_SW1 53 50 VDD7 33 PWR_SW2 5 VDDQ 30 _RTC_ALM 6 VBAT PSW1BUF 31 58 VDDCP PSW2BUF 54 BAT_TEMP 20 10 GNDD1 21 EN_3 36 GNDA 22 EN_4/EN_4S 55 EN_5 GNDA 23 56 EN_5S GNDCP 24 41 EN_6 GNDQ 25 69 EN_7 GND 70 26 EN_R GND 71 16 GND SDI 72 17 GND 18 SCLK _CS
59 57 7 68 4 3
61 62 63 60
64 UC_IO 65 UC_CLK 66 UC_RST
C123 2.2UF
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SAMSUNG Proprietary-Contents may change without notice CHG_ON
TA_VEXT
C111 2.2UF
C108 100NF
C124 100NF
R103 2.4
C120 2.2UF
VIB_EN BACKLIGHT
VBAT
VBAT
C127 10UF 10V
VREF
3
2
1
U103
C112 2.2UF
VCC_1.8A
4
5
6
3 VCC
2 GND
5
R112 47K,1%
PROG 4
VSENSE
6
4
3
6 5 2 1
C101 2.2UF
VCCB
R113 3K
C117 2.2UF
R106 0
VCCA
TA_VEXT
Q101
C116 2.2UF
VOSC
C115 2.2UF
VPAC
DRIVE
U102
C114 2.2UF
VRF
1 ISENSE
C113 10UF
VCCD
10K,1%
R111
VBAT
C118 100PF
R100 1.2K
VRTC
POS 1 C126 10UF 6.3V
NEG 2
1 1 6 6 2 2 5 5 4 3 34 G G G G 10 9 8 7
M1
ICHRG
SGH-E400 Flow Chart of Troubleshooting and Circuit Diagrams
SGH-E400 Flow Chart of Troubleshooting and Circuit Diagrams
5. Microphone Part
Microphone does not work
Check the assembled status of microphone.
NO Reassemblage microphone
YES Check the reference voltage on mic path C418 =2.5V
NO
resolder or change C400,R408,R409,R405,R406)
YES NO
Check U700
Is microphone ok?
YES END
6. Speaker Part Speaker does not work
Check the connection status spk to CN200
NO
Resolder and check the board to board connector
YES Check the R460 = 'High' ?
NO Check U700
YES
Check U700, R201, R202
NO
Change or resolder U700, R205, R206
YES
Is speaker ok?
NO
Change Speaker
YES END
4-5
SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
AUXOUT
AUXIN
MICOUT
MICIN
C457 27PF
C491 NC
C458 0.5PF
R421 56K
10PF
C452
56K
R406
AOUTAN
VCCA
8.2K
This Document can not be used without Samsung's authorization
4-6
SAMSUNG Proprietary-Contents may change without notice
R424 330K
R422 91K
VCCA
R420
C494 33UF
1UF
C414
1
R414 4.7K
C495 10PF
C490 10PF
C400 330NF
VCCA
R408 680
R410 680
R405 10K
R460 0
R461 NC
Q400
C409 33UF
2
3
C492 10PF
C461 39PF
R423 200K
VCCD
AOUTBN
AOUTBP
R409 4.7K
C460 NC
VCCD
C451 33PF
R428 0
R499 0
EAR_SWITCH
SPK1N
R426 0
C462 10UF 6.3V
C453 10UF 6.3V
R432 NC
R427 1K
MAIN_MIC
NC
JACK_IN
C496
10PF
C450
C416 10PF
0 R431
c459 180PF
100nH
L400
R425 100K
VCCA
C454 NC
R433
C455 NC
0
EAR_MIC_P JACK_IN EAR_SPK_P
CN40 1
SGH-E400 Flow Chart of Troubleshooting and Circuit Diagrams
ZD404 C417
ZD410
ZD409
C465 27PF C464 15PF
SGH-E400 Flow Chart of Troubleshooting and Circuit Diagrams
7. Back Light
Backlight does not work
Check the soldered status of EL pad
YES Backlight "ON" mode in the meue?
NO
Select backlight "ON" mode
YES Check the PIN 3 of CN200 = 2.8V?
NO Check the U601
YES Check the connection from CN200 to LCD Module
NO
Replace FPCB CONNECTOR
YES
LCD backlight on?
NO
Change LCD Module
YES END
4-7
SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
SGH-E400 Flow Chart of Troubleshooting and Circuit Diagrams
8.Alert Tone
Abnormal Alert tone
Alert tone On by pushing the key *#0289#
Check the PIN 31, 32 of CN200-1 Is there alert wave?
NO
Check the circuit related to U401,R460
YES Check the connection from CN200-1 to LCD Module
NO
Change Speaker
YES Alert is ok?
NO
Change LCD Module
YES END
4-8
SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
SGH-E400 Flow Chart of Troubleshooting and Circuit Diagrams
VBAT
VCCD
R200 RST 33
18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34
18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34
GREEN_LED LCDVIB_EN LED_EN D(8)_FO D(9)_FO D(10)_FO D(11)_FO D(12)_FO D(13)_FO D(14)_FO D(15)_FO MSPK+ MSPKRED_LED EL_PWR
R221 0
17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
17 16 15 14 D(0)_FO D(1)_FO D(2)_FO D(3)_FO D(4)_FO D(5)_FO D(6)_FO D(7)_FO A(2)_FO CP_WEN_FO EL_EN CLCD_EN_FO GLCD_EN_FO
13 12 11 10 9 8 7 6 5 4 3 2 1
CN200
R201 12
C206 NC
AOUTAP
C207 100PF
C200 33NF
C205 330NF
R202 0 SPK1N
R416
0
MSPK-
MSPK+
D(7)
MELODY_VIB
D(6)
D(5)
D(4)
D(2)
D(3)
(Picture 1)
D(0)
D0
CP_WEN
28
/WR
HPOUT-R
3
4
5
6
7
8
150K R404 33K
12
C401 270PF
C403 22NF
11
R407 33K
NC
C408 100NF
MELODY_LED YMU_IRQ
VCCD
R413
C415 100PF
RST
C411 1NF
C410 10UF 6.3V
C402 100NF R434
10
9
3.3K
2
HPOUT-L/MONO
R403
13
VREF
CLKI
1 R470 0
SPVSS
SPOUT2
MTR
D7
D6
D5
SPOUT1
14
EQ1
/RD
32 IOVDD
CLK13M_YMU
EQ3
A0
VSS
31
VDD
30
PLLC
A(0) CP_OEN
SPVDD
EQ2
NC
VCCD
/CS
VBAT
16 15
U401
/RST
YMU_EN
29
D4
D1
27
/IRQ
26
LED
D(1)
D3
D2
25 24 23 22 21 20 19 18 17
C412 100NF
(Picture 2) 4-9
SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
C404 4.7UF 6.3V
SGH-E400 Flow Chart of Troubleshooting and Circuit Diagrams
2.RF 1. GSM Receiver CONTINUOS RX ON RF INPUT : 62CH Cell power : -50dBm
NO
NORMAL CONDITION catch the channel?
CHECK C1012,L1015,L1016 contact?
YES NO
F1002 CHECK pin13 ≥ -65dBm?
CN1001 resolder or change
YES NO
F1002 CHECK pin1,2 ≥ -65dBm?
F1002 resolder or change
YES NO
U901 CHECK pin21,22 ≥ -65dBm?
C1007,L1001,C1011 resolder or change
YES U901 pin 12,13 ≥ 20dBm?
NO
YES
U902 CHECK pin5,25,28 : 3V?
NO
U100, PIN39, C116 check or resolder
NO
YES
U902 CHECK pin 7 : 13MHz?
NO
YES
NO
NO
YES
U902 change or resolder
U901 CHECK pin14,23,26,32 : 3V?
OSC801 CHECK pin 3 : 13MHz ? V p-p : 950mV?
C808, R805 resolder
U100, PIN 46, C114 resolder or change
YES NO
U901 Pin3,4 Vp-p:240mV ?
U900 CHECK pin 6,20 : 2.8V?
YES U901 Pin1,2 Vp-p:250mV ?
YES
NO
U900 resolder or change
NO
YES U900 Pin2,3,4,5 Vp-p:100mV ?
YES
NO L1006,C1015,L1016 resolder or change
4-10
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
SGH-E400 Flow Chart of Troubleshooting and Circuit Diagrams
2. DCS Receiver CONTINUOS RX ON RF INPUT : 698CH Cell power : -50dBm
NO
NORMAL CONDITION catch the channel?
CHECK C1012,L1015,L1016 contact?
YES NO
F1002 CHECK pin13 ≥ -65dBm?
CN1001 resolder or change
YES F1002 CHECK pin6 ≥ -65dBm?
NO
F1002 resolder or change
NO
C1014,C1017,L1002 resolder or change
YES U901 CHECK pin17,18 ≥ -65dBm?
YES U901 pin 12,13 ≥ 20dBm?
NO
YES
U902 CHECK pin5,25,28 : 3V?
NO
U100, PIN39, C116 check or resolder
NO
YES
U902 CHECK pin 7 : 13MHz?
NO
YES
NO
NO
YES
U902 change or resolder
U901 CHECK pin14,23,26,32 : 3V?
OSC801 CHECK pin 3 : 13MHz ? V p-p : 950mV?
C808, R805 resolder
U100, PIN 46, C114 resolder or change
YES NO
U901 Pin3,4 Vp-p:240mV ?
U900 CHECK pin 6,20 : 2.8V?
YES U901 Pin1,2 Vp-p:250mV ?
YES
NO
U900 resolder or change
NO
YES YES U900 Pin2,3,4,5 Vp-p:100mV ?
NO L1006,C1015,C1019 resolder or change
4-11
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
SGH-E400 Flow Chart of Troubleshooting and Circuit Diagrams
3. PCS Receiver CONTINUOS RX ON RF INPUT : 698CH Cell power : -50dBm
NO
NORMAL CONDITION catch the channel?
CHECK C1012,L1015,L1016 contact?
YES F1002 CHECK pin13 ≥ -65dBm?
NO
CN1001 resolder or change
NO
F1002 resolder or change
NO
F1005 resolder or change
NO
L1006,C1015,C1019 resolder or change
YES F1002 CHECK pin6 ≥ -65dBm?
YES F1005 CHECK pin4,6 ≥ -65dBm?
YES U901 CHECK pin17,18 ≥ -65dBm?
YES U901 pin 12,13 ≥ 20dBm?
NO
U902 CHECK pin5,25,28 : 3V?
NO
U100, PIN39, C116 check or resolder
NO YES
YES
U902 CHECK pin 7 : 13MHz?
NO
OSC801 CHECK pin 3 : 13MHz ? V p-p : 950mV?
NO
OSC801 CHECK pin 4 : clean 3V?
YES YES
U902 change or resolder
U901 CHECK pin14,23,26,32 : 3V?
NO
C808, R805 resolder
U100, PIN 46, C114 resolder or change
YES U901 Pin3,4 Vp-p:240mV ?
NO U900 CHECK pin 6,20 : 2.8V?
YES U901 Pin1,2 Vp-p:250mV ?
YES
NO
U900 resolder or change
NO
YES YES U900 Pin2,3,4,5 Vp-p:100mV ?
NO L1006,C1015,L1016 resolder or change
4-12
SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
YES OSC801 change
SGH-E400 Flow Chart of Troubleshooting and Circuit Diagrams
4. GSM Transmitter NO
F1002 pin 13 about 2~3dBm?
NO
F1002 pin 11 : 2.8V
CONTINUS TX ON U700,U701 check & change
CONDITION MS TX level 19
YES YES CN1001, C1012 check & change
NO
CH : 62
U1001 pin 9 pin 3~4dBm?
RBW : 100KHz VBW : 100KHz
YES
SPAN : 10MHz REF LEV. : 10dBm
F1002 check & change
U1001 pin 4 : 3.7 V?
NO
ATT. : 20dB
BATTERY, U100 check & change
YES U1001 pin 2 : 1.2 V
NO
YES U1001pin2:0 Vand pin3:3V
NO
U700 check & change
YES U1001pin 6:
NO
1.2 V?
YES U1001 pin 7 : -5dBm?
NO
YES U1001 change & resolder
NO
U901 pin14,23,26,32 2.8V?
YES U100 pin46,C114 change or resolder
U901 pin9,10,12,13: -20dBm?
YES NO
U901 pin5,6,7,8 1.7V
YES U700 change
U1001 check & change
NO
U901 pin5,25,28 3V?
NO
U100 pin39,c116 change or resolder
YES U902 pin 7 13MHz Vp-p :950mV
NO
OSC801 pin 3 :13MHz? Vp-p : 950mV
NO
U700 check & change
OSC801 pin 4 : 3V ?
YES
YES U901change or resolder
OSC801 change or resolder
YES
YES U902 pin9,10,11,13 3V?
NO
U902 change or resolder
4-13
SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
NO
U100 pin39,c116 change or resolder
SGH-E400 Flow Chart of Troubleshooting and Circuit Diagrams
5. DCS Transmitter NO
F1002 pin 13 about 2~3 dBm?
NO
F1002 pin 9 : 2.8 V?
U700,U701 check & change
CONTINUS TX ON CONDITION MS TX level 12
YES YES CN1001, C1012 check & change
NO
CH : 698 RBW : 100KHz
U1001 pin 11 pin 3~4dBm?
VBW : 100KHz SPAN : 10MHz
YES
REF LEV. : 10dBm F1002 check & change
U1001 pin 4 : 3.7 V?
NO
ATT. : 20dB
BATTERY, U100 check & change
YES U1001 pin 5 : 3 V?
NO
YES U1001 pin2,3:3V?
NO
U700 check & change
YES NO
U1001 pin 6 : 1.2 V?
YES U1001 pin 1 about : -5dBm?
NO
YES U1001 change & resolder
U901 pin14,23,26,32 : 2.8V?
NO
YES U100 pin46,C114 change or resolder
U901 pin9,10,12,13 : -20dBm?
YES NO
U901 pin5,6,7,8: 1.7V:
YES U700 change
U1001 check & change
NO
U901 pin5,25,28 : 3V?
NO
U100 pin39,c116 change or resolder
YES U902 pin 7 : 13MHz? Vp-p : 950mV
OSC801 pin 3 : 13MHz? Vp-p : 950mV
NO
YES
NO
OSC801 change or resolder
YES
U902 pin9,10,11,13 : 3V?
NO
U700 check & change
OSC801 pin 4 : 3V ?
YES
YES U901change or resolder
U902 change or resolder
4-14
SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
NO
U100 pin39,c116 change or resolder
SGH-E400 Flow Chart of Troubleshooting and Circuit Diagrams
6. PCS Transmitter NO
F1002 pin 13 about 2~3 dBm?
NO
F1002 pin 9 : 2.8 V?
U700,U702 check & change
CONTINUS TX ON CONDITION MS TX level 12
YES YES CN1001 check & change
NO
CH : 698 RBW : 100KHz
U1001 pin 11 pin 3~4dBm?
VBW : 100KHz SPAN : 10MHz
YES
REF LEV. : 10dBm F1002 check & change
U1001 pin 4 : 3.7 V?
NO
ATT. : 20dB
BATTERY, U100 check & change
YES U1001 pin 5 : 3 V?
NO
YES U1001 pin 2, 3 : 3 V?
NO
U700 check & change
YES U1001
NO
pin 6 : 1.2 V?
YES NO U1001 pin 1 about : -5dBm?
YES U1001 change & resolder
U901 pin14,23,26,32 : 2.8V?
NO
YES
U100 pin46,C114 change or
U901 pin9,10,12,13 : -20dBm?
resolder
YES NO
U901 pin5,6,7,8: 1.7V:
YES U700 change
U1001 check & change
NO
U901 pin5,25,28 : 3V?
NO
U100 pin39,c116 change or resolder
YES U902 pin 7 : 13MHz? Vp-p : 950mV
OSC801 pin 3 : 13MHz? Vp-p : 950mV
NO
YES U901change or resolder
OSC801 change or resolder
YES
YES U902 pin9,10,11,13 : 3V?
NO
NO
U700 check &
OSC801 pin 4 : 3V ?
change
YES U902 change or resolder
4-15
SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
NO
U100 pin39,c116 change or resolder
RXIN
RXIP
RXQN
RXQP
SERDAT
SERCLK
SERLE
SDO
SYN_EN
CLK13M_RF
C910 22NF
VRF
2 RXQP 3 RXQN 4 RXIP 5 RXIN
23 24
6
VDDA
U900
7
VDDC
10
SDI
GND
9
SCLK CKP
C911 100PF
8
C914 10PF
VOSC
C916 100PF
NC
SDI
SCLK
SENB
SDO
PDNB
NC
GND
U902
MICRO STRIP LINE
L900 3.9nH
TXQN
TXQP
TXIN
VOSC
RFLON
RFLOP
VDDR
IFLON
IFLOP
VDDI
GND
GND
C917 10PF
GND
C921 22NF
VOSC
3 CKN
TXIP
ION
35 36
4 CKP 5 TXIP 6 TXIN 7 TXQP 8 TXQN
IOP
2
IOP 11
GND
0
C906 22NF
34 33 32 31 1
R999
SI_EN
3
ION 12
GND 13
14
PDNB
SDO
22 23 24 25 26 27 28 29 30
CKN
GND
GND
GND
GND
SENB 15
GND GND
SDO
GND GND
1 GND
9
C905 22NF
VRF
30 29 28 27 26
U901
18 17
RFIDP RFIPN
C915 22NF
VRF
RFIPP
20 19
RFIDN
22 21
RFIGP
23
VDD1 RFIGN
24
RFOD
10 11 12 13 14 15 16
VDD3 IFLOP
XOUT
XIN
VRF
PDNB IFLON
SERLE
GND GND
SERDAT
L1 RFLOP
22 21 20 19 18 17 16
8 32 31 9 14 13 12 11 10
5 VDDD
7 XIN GND 15
RFLA
6 GND RFLD 16
RFLC 17
IFLB
2
L2 RFLON
SERCLK
1 GND
GND VDD2
25 RFOG DIAG1
C903 22NF
4 GND GND 18
IFLA RFLB 19
SAMSUNG Proprietary-Contents may change without notice GND
This Document can not be used without Samsung's authorization 21
4-16 20
VDD4 DIAG2
VRF
VRF
C924 100PF
C908 22NF
C923 33PF
C922 47PF
PCS_LNA_IN_P
PCS_LNA_IN_N
DCS_LNA_IN_P
DCS_LNA_IN_N
GSM_LNA_IN_P
GSM_LNA_IN_N
DPCS_PAM_IN
GSM_PAM_IN
SI_EN
SGH-E400 Flow Chart of Troubleshooting and Circuit Diagrams
This Document can not be used without Samsung's authorization
TXPOWER
TX_BAND_SEL
C1026 270PF
C1038 10NF
SAMSUNG Proprietary-Contents may change without notice
100K
R1038
3.3UF 6.3V
C1044
NC
R1037
6.3V
100UF
C1043
VBAT
6.3V
3.3UF
C1045
VPAC
C1027 1NF
10 8 12
RF3110
PCSOUT GSMOUT
7 11 9
U1001
33nH
L1007
DCSIN GSMIN
GND 13
21 BAND 3 TXEN 4 VBATT 5 VREG 6 VRAMP
C1016 33PF
TX_EN
VCC
4-17 VCC2 VCC2
270
R1012 220
R1011
820
820 R1010 15
R1015
R1016
R1014 10
GSM_PAM_IN
L1014 1nH
DPCS_PAM_IN
GSM_TX_EN DCS_TX_EN PCS_RX_EN
L1013 15nH
L1012 NC
L1011 6.8PF
C1006 NC
C1003 0.5PF
7
GG
13 VC1 11 VC2 5 VC3 10 DCS/PCSTX 12 EGSMTX
EGSMRX EGSMRX DCSRX DCSRX PCSRX
F1002
16
ANT
15 1 2 3 4 6
3
2
2
F1005
1
OUT1 OUT2 G1 G2 G3 1 35
IN
4
IN OUT GND GND
CN1001
6
4
L1015 NC
C1012 2.2PF
C1019 1.2PF
C1015 1.2PF
0.75PF
C1017
C1014 0.75PF
C1011 0.75PF
C1007 0.75PF
1
L1006 6.8nH
L1002 7.5nH
L1001 27nH
L1016 3.9nH
1
2 2
3 3
4 4
ANT1
PCS_LNA_IN_P
PCS_LNA_IN_N
DCS_LNA_IN_P
DCS_LNA_IN_N
GSM_LNA_IN_P
GSM_LNA_IN_N
SGH-E400 Flow Chart of Troubleshooting and Circuit Diagrams
SGH-E400 Flow Chart of Troubleshooting and Circuit Diagrams
M EM O
4-18
SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
5. SGH-E400 Block Diagrams CSP1093
GSM:925MHz~960MHz L Antenna
I
ADC
PGA
TRIDENT
DCS:1805MHz~1880MHz
PGA
N
DAC
CHANNEL FILTER
RF FILTER
PGA
A
Q
ADC PGA
DAC
PCS:1930MHz~1990MHz
DSP16000
100KHz
1 / 2
SI4201 SI4200
FEM
SERIAL DATA
BASE
INTERFACE
BAND
GSM:890MHz~915MHz DET
I ARM7TDMI
PAM Q TX VCO DCS:1710MHz~1785MHz
TCVCXO
PCS:1850MHz~1910MHz
13MHz CLK RF
IF
PLL
PLL
SI4133T
AFC
TXPOWER
UI 5-1
SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
AUDIO
SGH-E400 Block Diagrams
POWER
X-TAL
(DC/DC, CHARGER)
13MHz
IRDA
TRIDENT ACC DSP16000
DB(15:0)
PPI
INT1
(Programmable
IRQx
Peripheral I/O)
PAx RSTB
GPIO
TXIN
RWN AB(8:0)
RS232
TXIP
CSP1093
IO
ARM7TDMI
IO
TXQP
RWN
TX I/Q
TXQN
AB(8:0)
RX I/Q
RXIP
RF SOLUTION
DB(15:0)
TXP
RXIN
- RFIC
INT1
SERCK
RXQP
- PAM
IRQx
SERLE
RXQN
PAx
SERDA
SERCK
RSTB
OCTL
SERLE SERDA
SMART
SIM I/O
RXOVL
CARD
TXP OCTL
X-TAL 32.768 KHz
DSPJTAG
RTC EMI
ARM
JTAG
DAICK DAIRN
JTAG/ICE
JTAG/ICE
LCD
DAIDO
KEYBOARD
DAIDI
DAI
AUDIO PART MCP 64M*2 FLASH 16M SRAM
AUDIO LCD
Memory Part MOTOR B'D to B'D Connector 5-2
SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
6. SGH-E400 PCB Diagrams
U701 G1
L1016
R999
BOTHHOLE1
G4
R222
U1003
ZD312
ZD318 R399 ZD311 C599 R599 U1004 R303 ZD316 ZD315
R307ZD309 ZD317 R305 R308ZD310 R306 R309ZD302 R310ZD300 ZD314
Q100
C302
TP101
C118 R112
C105
R1055
C123
R103 C124
C117
C120
C116
C111
R106 C132
C103
6-1
SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
C409
C107
MAIN_MIC C490 R408 R409
U100
C106
CN100
C104
R426 C492 C451
CN302
ZD303
C204
ZD319 ZD313
C512 R506 C505
C604 R606R610 R507 C613R611 C504 R508
C602 C608 C607 U602
U102
D300
U601 C131
R614
TP600
C400C491 C610 R111 C612 C606R608 C513C601R609
C101
U103
R113
C127
C517
C126
R612R233 C203
C519 C518
C208
G3
C908 C924 C906
C609 R231 C600 R228 C617 R232 C615TP602 R225 R223 R224 C603
TP705
R229 R230 R227
C711 C719 C715 C716
ZD214
TP708
C458 R420 C708 C452 C710 C707
R406 R405
C113
R100 C611
OSC801
R102 C108
U900
C112
C115
C720
R715C722
C1012
ANT1
R713
L1015
C903
R234
LED200
Q101
R110
C114
C1007
OSC601
BOTHHOLE2
C1011
R101 C119 C125
R810 R802
C803 C910
U901
C1014
L1001 L1002
F1002
C1017
L1006
U703 C905 C923 C922
C1015
C915
C806
C802R801
C1019
C911R805C808
L900C914C916
U702
C921
F1005
C807
C605 C616
R226
U700
M1
D301
CN1001
C1045
C1006
R1016
C414
R1014
L1014
C713 C714
R613 C614
R710 C718 C712 C709 C457 R421 C724 C723 R430
R1015
C1026
C128
R714 C721
C1043
C1044 C1016
C206
R200 C200
C1027R1038R1037
C462
C494
R630
C706 C705 R709 C717 R700 C700
C1038
C917 L801 C800 R803 C809 U800 C805
R221 R202 R201 C207 C205
CN200
C130
R460
C402 C129
C495
U1001
U902
C461
C404
U1017
ZD404
C460 R425 c459
R461
C453
R427
L1011
L1007 L1013
C450
C1003 L1012
R431 ZD411
ZD213
R1011 R1010 R1012
R109R108R410R414R499C441
ZD409
C416 C417
SW202
ZD203
C442
C496
L400
SW201
ZD212
C465C464 R432R428
CN401
C455 C454
ZD410 R433R448
C411
G2
1. Main PCB Top Diagram
This Document can not be used without Samsung's authorization
SAMSUNG Proprietary-Contents may change without notice R212
LED210
TP711
TP710
TP712
TP713
ZD211
C407
R218
U401 1
7
4
*
SEND
LED209
R217
LED215
ZD208
LED212
R211
ZD202
ZD209
R208
C410
F202
F200
R214
TP714
LED206
LED204
R206
ZD204
R407 R404 C401
R442
LED202 R204
C412
R403 ZD210
R470
R220
C403
MENU
R416
LEFT
F203 UP
0
8
5
2
CLEAR
DOWN
R422 R424
F201
F204
LED203
ZD206
R216
LED214
R213
ZD205 LED211
R210
9
6
3
PWR
SHARP
R205
R203
Q700 Q701
LED208 C109
R207
R717 R716 C618
LED201
LED205
Q400
U1009
C619 R615
R423
RIGHT
R413
LED218
I
R434 C408
LED216
6-2
U1002
ZD201
R209
R219 ZD207
R215
LED213
U1016
U1011 U1015
TMS1 U1013
U1014 U1012
LED207
LED217
C415
SGH-E400 PCB Diagrams
2. Main PCB Bottom Diagram
STO
ELECTRONICS
ⓒ Samsung Electronics Co.,Ltd. SEP. 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.: GH68-03771A BASIC.
