GSM TELEPHONE SGH-A500
SERVICE GSM TELEPHONE
Manual
CONTENTS 1.
Specification
2.
Exploded Views and Parts List
3.
Electrical Parts List
4.
Block Diagram
5.
PCB Diagrams
6.
Flow Chart of Troubleshooting and Circuit Diagrams
ELECTRONICS
ⓒ Samsung Electronics Co.,Ltd. November. 2002
Printed in Korea. Code No.: GH68-03059A BASIC.
1. SGH-A500 Specification 1. GSM General Specification GSM900 P h a se 1
E GS M 9 0 0 Ph a s e 2
D CS 1 8 0 0 Ph a s e 1
Fr eq . B a n d [M H z ] Uplink/Downlink
890~ 915 935~ 960
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
A R F C N r an g e
1~ 124
0 ~ 1 2 4 & 9 7 5 ~1 0 2 3
5 1 2 ~8 8 5
Tx / R x s p aci n g
45MHz
45MHz
95MHz
M o d . B i t r at e/ B i t Pe r i o d
2 7 0 .8 3 3 k b p s 3 .6 9 2 u s
270.833kbps 3.692us
270.833kbps 3.692us
T i me Sl o t Pe ri o d / F r am e Pe ri o d
5 7 6 .9 u s 4 . 6 1 5 ms
576.9us 4.615ms
576.9us 4 .6 1 5 m s
Modula tion
0.3GMSK
0 .3 G M S K
0 .3 G M S K
M S Po w e r
3 3 d B m~ 1 3 d B m
3 3 d B m ~5 d B m
3 0 d B m ~0 d B m
P o w er C l as s
5 p cl ~ 1 5 p cl
5pcl ~ 19pcl
0pcl ~ 15pcl
S en s i t i v i t y
-1 0 2 d B m
-102dBm
-100dBm
T DMA Mux
8
8
8
C E LL R A D IU S
35Km
3 5 Km
2Km
SAMSUNG Proprietary-Contents may change without notice 1-1
SGH-A500 Specification
2. GSM TX power class (@Normal condition) TX Power control level
TX Power
GSM900
control level
DCS1800
5
33±2 dBm
0
30±2 dBm
6
31±3 dBm
1
28±3 dBm
7
29±3 dBm
2
26±3 dBm
8
27±3 dBm
3
24±3 dBm
9
25±3 dBm
4
22±3 dBm
10
23±3 dBm
5
20±3 dBm
11
21±3 dBm
6
18±3 dBm
12
19±3 dBm
7
16±3 dBm
13
17±3 dBm
8
14±3 dBm
14
15±3 dBm
9
12±4 dBm
15
13±3 dBm
10
10±4 dBm
16
11±5 dBm
11
8±4dBm
17
9±5 dBm
12
6±4 dBm
18
7±5 dBm
13
4±4 dBm
19
5±5 dBm
14
2±5 dBm
15
0±5 dBm
SAMSUNG Proprietary-Contents may change without notice 1-2
2. SGH-A500 Exploded View and its Parts list 1. Cellular phone Exploded View
1
9 2 3 4 5 10 11 12 13 14
16
7
17
8
18
15
6
19 20 22 21
25 23
24
SAMSUNG Proprietary-Contents may change without notice 2-1
SGH-A500 Exploded view and its Part list
2. Cellular phone Parts list Location
Description
NO.
SEC CODE
1
FOLDER UPPER
GH75-02019A
2
LCD
GH07-00198A
3
MOTOR
3101-001239
4
SPEAKER
3001-001272
5
FOLDER LOWER
GH75-02018A
6
WINDOW LCD
GH72-04519A
7
SCREW
6001-001478
8
SCREW SHEET
GH68-00370C
9
FRONT COVER
GH75-02017A
10
VOLUME KEY
GH75-01734A
11
KEYPAD
GH75-02021A
12
MAIN PBA
GH92-01299A
13
CON TO CON FPCB
GH59-00524A
14
SHIELD COVER
GH75-02210A
15
EAR JACK FPCB
GH59-00525A
16
DOME SHEET
GH59-00510A
17
MIC
GH59-00491A
18
CONNECTOR COVER
GH73-01132A
19
SCREW
6001-001661
20
ANTENNA
GH42-00225A
21
REAR COVER
GH75-02020A
22
RF TEST HOLE COVER
GH73-01348A
23
RF SCREW HOLE COVER
GH73-00887A
24
SCREW
6001-001155
25
BATTERY
GH43-00669A
900mAH
GH43-00670A
580mAH
SAMSUNG Proprietary-Contents may change without notice 2-2
Remark
SGH-A500 Exploded view and its Part list
3. Test Jig (GH80-01326A)
3-1. RF Test Cable
3-2. Test Cable
(GH39-00172A)
3-3. Serial Cable
(GH39-00171A)
3-4. Power Supply Cable
3-5. DATA CABLE (PCB086LBE)
3-6. TA (GH44-00171A)
3-7. Dongle Lock Key (GH80-00815A)
SAMSUNG Proprietary-Contents may change without notice 2-3
3. SGH-A500 MAIN Electrical Parts List Level
SEC Code
Design LOC
Descriptions
0
1
GH92-01299A GH41-00259A GH71-00846A 2203-000995
PBA MAIN-SGHA500 REV1.9B BOM PCB-SGHA500;SGH-A500,FR-3,6L,-,1.00T,100X155 NPR-ANT CONTACT;-,SGH-A500,C1720C,T0.1,4.35 C-CERAMIC,CHIP;0.047nF,5%,50V,NP0,TP,1005
1
2203-000679
1 1
2203-001201 2203-000278 2203-001124
1
2203-005061
1 1
2203-000812 2203-005682 2203-000233
1
2203-000679
1
2203-000359
1
2203-000679
1
1
2203-005054 2301-001589 2404-001268 2203-006053 2404-001239 2203-000386
1
2203-000254
1
2203-000679
1
2203-000679
1
2203-000679
1
2203-005288 2301-001590 2203-000330 2203-001239 2203-005056 2301-001230 2203-005450 2203-005382 2203-001221 2203-002443
ANT1 C101,C436 C102,C105,C108, C111 C103 C104,C114 C107 C109,C204,C215, C254 C110,C113 C112 C117,C120,C322 C118,C119,C122, C123 C121 C125,C126,C131, C205 C127 C129 C130,C309,C604 C132 C134,C614 C201,C235 C203,C389,C411, C412 C206,C207,C209, C210 C211,C212,C213, C214 C216,C218,C229, C255 C220 C222 C223,C225,C231 C224,C227 C228,C234 C230 C232,C236 C237 C239 C241,C312,C226
1 1
1
1
1 1 1 1
1 1 1 1 1 1 1 1 1
C-CERAMIC,CHIP;0.027nF,5%,50V,NP0,TP,1005 C-CERAMIC,CHIP;0.007nF,0.5pF,50V,NP0,TP,1005 C-CERAMIC,CHIP;0.01nF,0.5pF,50V,NP0,TP,1005 C-CERAMIC,CHIP;680pF,10%,50V,X7R,TP,1005,C-CERAMIC,CHIP;100nF,+80-20%,16V,Y5V,TP,1005 C-CERAMIC,CHIP;0.033nF,5%,50V,NP0,TP,1005 C-CERAMIC,CHIP;0.033nF,5%,25V,NP0,TP,0603 C-CERAMIC,CHIP;0.1nF,5%,50V,NP0,TP,1005 C-CERAMIC,CHIP;0.027nF,5%,50V,NP0,TP,1005 C-CERAMIC,CHIP;0.15nF,5%,50V,NP0,TP,1005 C-CERAMIC,CHIP;0.027nF,5%,50V,NP0,TP,1005 C-CERAMIC,CHIP;0.0047nF,0.25pF,50V,NP0,TP,100 C-FILM,CHIP;18NF,20%,16V,TP,1608,C-TA,CHIP;10UF,20%,10V,-,TP,2.2X1.25X1.0 C-CERAMIC,CHIP;1000NF,10%,10V,X5R,TP,1608 C-TA,CHIP;100UF,20%,6.3V,WT,TP,3.3X2.7X1.7MM C-CERAMIC,CHIP;0.015nF,5%,50V,NP0,TP,1005 C-CERAMIC,CHIP;10nF,10%,16V,X7R,TP,1005,C-CERAMIC,CHIP;0.027nF,5%,50V,NP0,TP,1005 C-CERAMIC,CHIP;0.027nF,5%,50V,NP0,TP,1005 C-CERAMIC,CHIP;0.027nF,5%,50V,NP0,TP,1005 C-CERAMIC,CHIP;0.001nF,0.1pF,50V,NP0,TP,1005 C-FILM,CHIP;10NF,20%,16V,TP,1608,C-CERAMIC,CHIP;0.012nF,5%,50V,NP0,TP,1005 C-CERAMIC,CHIP;0.082nF,5%,50V,NP0,TP,1005 C-CERAMIC,CHIP;0.0068nF,0.25pF,50V,NP0,TP,100 C-FILM,CHIP;10nF,5%,16V,TP,2012,C-CERAMIC,CHIP;0.0056nF,0.1pF,50V,NP0,TP,1005 C-CERAMIC,CHIP;0.006nF,0.1pF,50V,NP0,TP,1005 C-CERAMIC,CHIP;820pF,10%,50V,X7R,TP,1005,C-CERAMIC,CHIP;0.33nF,10%,50V,X7R,TP,1005
SAMSUNG Proprietary-Contents may change without notice 3-1
SGH-A500 Electrical Parts List
Level 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
SEC Code
Design LOC
C246,C248,C605, 2203-005796 C606 2203-006090 C249,C601,C602 2203-003027 C250 2203-005065 C301 2203-005050 C302 2203-005482 C303,C310,C315, C317 2203-005717 C304,C305,C306, C307 2203-005480 C311 2203-005509 C313 2203-000438 C316 2203-000628 C318 C319,C321,C325, 2203-000679 C439 2203-005717 C320 2203-000885 C330 2203-000854 C401 2203-005061 C404,C408,C410, C413 2203-002525 C407 2404-001105 C409,C432,C501 2203-005061 C414,C416,C417, C418 2203-000425 C423,C428 2404-001281 C430,C431 C443,C444,C448, 2203-000679 C450 2404-001088 C445 2203-005061 C447,C449,C477, C478 2203-000679 C479 2203-005061 C480,C502 2203-000940 C503 2203-005055 C510 2203-005796 C607,C608,C609, C610 2203-005796 C611 2203-005482 C613 2203-001598 C615 4302-001130 C617 2203-005496 C630 2203-006093 C634
Descriptions
C-CERAMIC,CHIP;2200nF,10%,10V,X7R,TP,2012 C-CERAMIC,CHIP;10000NF,10%,6.3V,X5R,TP,2012 C-CERAMIC,CHIP;0.82nF,5%,50V,NP0,TP,1608 C-CERAMIC,CHIP;1000nF,+80-20%,10V,Y5V,TP,160 C-CERAMIC,CHIP;0.0018nF,0.25pF,50V,NP0,TP,100 C-CERAMIC,CHIP;100nF,10%,10V,X5R,TP,1005,C-CERAMIC,CHIP;0.027nF,5%,25V,NP0,TP,0603 C-CERAMIC,CHIP;33nF,10%,10V,X7R,TP,1005,C-CERAMIC,CHIP;330nF,+80-20%,10V,Y5V,TP,1005 C-CERAMIC,CHIP;1nF,10%,50V,X7R,TP,1005,C-CERAMIC,CHIP;0.022nF,5%,50V,NP0,TP,1005 C-CERAMIC,CHIP;0.027nF,5%,50V,NP0,TP,1005 C-CERAMIC,CHIP;0.027nF,5%,25V,NP0,TP,0603 C-CERAMIC,CHIP;4.7nF,10%,25V,X7R,TP,1005,C-CERAMIC,CHIP;0.039nF,5%,50V,NP0,TP,1005 C-CERAMIC,CHIP;100nF,+80-20%,16V,Y5V,TP,1005 C-CERAMIC,CHIP;0.56nF,10%,50V,X7R,TP,1005 C-TA,CHIP;10UF,20%,6.3V,GP,TP,2012 C-CERAMIC,CHIP;100nF,+80-20%,16V,Y5V,TP,1005 C-CERAMIC,CHIP;0.018nF,5%,50V,NP0,TP,1005 C-TA,CHIP;22UF,20%,6.3V,WT,TP,2012 C-CERAMIC,CHIP;0.027nF,5%,50V,NP0,TP,1005 C-TA,CHIP;2.2uF,20%,6.3V,GP,TP,2012,C-CERAMIC,CHIP;100nF,+80-20%,16V,Y5V,TP,1005 C-CERAMIC,CHIP;0.027nF,5%,50V,NP0,TP,1005 C-CERAMIC,CHIP;100nF,+80-20%,16V,Y5V,TP,1005 C-CERAMIC,CHIP;470pF,10%,50V,X7R,TP,1005,C-CERAMIC,CHIP;0.0056nF,0.25pF,50V,NP0,TP,100 C-CERAMIC,CHIP;2200nF,10%,10V,X7R,TP,2012 C-CERAMIC,CHIP;2200nF,10%,10V,X7R,TP,2012 C-CERAMIC,CHIP;100nF,10%,10V,X5R,TP,1005,C-CERAMIC,CHIP;2200nF,+80-20%,16V,Y5V,TP,201 BATTERY-LI(2ND);3V,0.1MAH,-,-,3.1V,C-CERAMIC,CHIP;220nF,+80-20%,10V,Y5V,TP,1005 C-CERAMIC,CHIP;1000NF,+80-20%,6.3V,Y5V,TP,10
SAMSUNG Proprietary-Contents may change without notice 3-3
SGH-A500 Electrical Parts List
Level
SEC Code
1
1
3710-001866 3711-005151 3710-001611 3709-001187 3705-001242 0404-001186 2011-001417 4709-001144 2011-001419 2011-001363 2904-001382 2904-001383 2904-001397 2703-002198
1
3301-001362 L103,L213
1
2703-002369 L104
1
3301-001336 L105,L601
1
1
2703-001802 2703-001944 2703-001544 2703-001737 2703-001233 2703-001178 2703-001970 2703-001685 2703-000172 0601-001540 0601-001402
1
0601-001547
1
0601-001547
1
0601-001547
1
0601-001547
1
0601-001547
1 1
0601-001547 2806-001297
1
2806-001285 OSC201
1 1 1 1 1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1 1
Design LOC
CN301 CN302 CN303 CN401 CON101 D101 F101,F102 F103 F104 F105 F201 F202 F204 L101
L201 L202,L203 L204 L205 L206 L207,L208 L211 L218 L602 LED13 LED14 LED501,LED502, LED503 LED504,LED505, LED506 LED507,LED508, LED509 LED510,LED511, LED512 LED513,LED514, LED515 LED516 OSC101
Descriptions
CONNECTOR-SOCKET;3P,-,2.0MM,-,AU CONNECTOR-HEADER;NOWALL,16P,2R,0.5MM,-,AU CONNECTOR-SOCKET;18P,1R,0.5mm,SMD-A,AUF CONNECTOR-CARD EDGE;6P,2.54MM,SMD-A,CONNECTOR-COAXIAL;-,JACK,100MOHM,50OHM,DIODE-SCHOTTKY;BAT62-02W,40V,40MA,SCD80,TP R-NETWORK;5.77/870OHM,-,0.04W,F,CHIP,4P,TP COUPLER-DIRECTION;897.5/1747.5MHZ,19DB/14DB R-NETWORK;44.8/131OHM,-,0.04W,F,CHIP,4P,TP R-NETWORK;50ohm,-,0.04W,-,CHIP,4P,TP FILTER-SAW;1.8425GHZ,-,2.2DB,TP,75MHZ/3.2DB, FILTER-SAW;942.5MHZ,-,1.8DB,TP,35MHZ/3.3DB,FILTER-SAW;360MHZ,-,67.7KHZ/1.5DB,TP,3.3DB,INDUCTOR-SMD;10NH,5%,1.0X0.5X0.5MM CORE-FERRITE BEAD;AB,1kohm,1x0.5x0.5mm,50mA,TP,FER INDUCTOR-SMD;1.5NH,0.3NH,1.0X0.5X0.5MM CORE-FERRITE BEAD;AB,220ohm,2x1.25x0.85mm,2000mA,T INDUCTOR-SMD;33UH,20%,2.0X1.25X1.25MM INDUCTOR-SMD;27nH,10%,1.0x0.5x0.5mm INDUCTOR-SMD;39nH,5%,1.7x1.14x1.02 INDUCTOR-SMD;2.7nH,0.3nH,1x0.5x0.5mm INDUCTOR-SMD;8.2uH,10%,1.6x0.8x0.8mm INDUCTOR-SMD;3.3nH,0.3nH,1x0.5x0.5mm INDUCTOR-SMD;18nH,5%,1.0x0.5x0.5mm INDUCTOR-SMD;82nH,5%,1.7x1.14x1.02mm INDUCTOR-SMD;22UH,10%,2.5X3.2X2MM LED;CHIP,BLUE,1.1X0.8MM,485NM LED;CHIP,RED/Y-GRN,1.2x1.5mm,660/570nm LED;CHIP,BLUE,1.1X0.8MM,468NM LED;CHIP,BLUE,1.1X0.8MM,468NM LED;CHIP,BLUE,1.1X0.8MM,468NM LED;CHIP,BLUE,1.1X0.8MM,468NM LED;CHIP,BLUE,1.1X0.8MM,468NM LED;CHIP,BLUE,1.1X0.8MM,468NM OSCILLATOR-VCO;1748MHZ,-,50OHM,TP,2.8V,40MA OSCILLATOR-VCO;1.320GHZ,-,50OHM,TP,2.75V,11
SAMSUNG Proprietary-Contents may change without notice 3-2
SGH-A500 Electrical Parts List
Level
SEC Code
Design LOC
Descriptions
1
1
2809-001264 2801-003856 0504-001133 0504-001134 0502-001201 0504-001122 2007-001298
OSCILLATOR-VCTCXO;13MHZ,-,10KOHM//10PF,TP, CRYSTAL-SMD;0.032768MHZ,20PPM,28-ACP,7PF,6 TR-DIGITAL;BCR135T,NPN,250MW,10K/47K,SC-75,T TR-DIGITAL;BCR133T,NPN,250MW,10K/10K,SC-75, TR-POWER;ZXT13P20DE6,PNP,1100MW,SOT-23-6,T TR-DIGITAL;DTC123JE,NPN,150MW,17/26,EMT3,TP R-CHIP;51ohm,5%,1/16W,DA,TP,1005
1
2007-000140
1 1
2007-000775 2007-001311 2007-000139
1
2007-007771
1
2007-001301
1
2007-000140
1
2007-000146
1
1
2007-007313 2007-007309 2007-000148 2007-001320 2007-000173 2007-000142 2007-000153 2007-000141
1
2007-000140
1
1
2007-000162 2007-000140 2007-000164 2007-000155
1
2007-007771
1
2007-000156 2007-000159 2007-000152 2007-007193 2007-000758 2007-000566 2007-007200 2007-000242
OSC202 OSC401 Q103 Q502,Q503,Q506 Q601 Q602 R101 R107,R113,R114, R202 R108,R450,R453 R109 R110,R111,R569 R118,R204,R205, R206 R121 R203,R211,R213, R301 R207,R216,R218, R222 R208 R209 R212,R410,R502 R215 R220,R221 R225 R226,R418 R227,R427,R412 R302,R303,R304, R306 R305,R411,R416 R307,R604,R610 R308,R402 R309,R310 R312,R313,R405, R414 R315,R317,R408 R330 R340,R603 R403,R404 R409 R413 R415 R428,R429
1 1 1 1 1
1
1 1 1 1 1 1
1 1
1 1 1 1 1 1 1
R-CHIP;1Kohm,5%,1/16W,DA,TP,1005 R-CHIP;33Kohm,5%,1/16W,DA,TP,1005 R-CHIP;270ohm,5%,1/16W,DA,TP,1005 R-CHIP;220ohm,5%,1/16W,DA,TP,1005 R-CHIP;0OHM,5%,1/16W,DA,TP,1005 R-CHIP;68ohm,5%,1/16W,DA,TP,1005 R-CHIP;1Kohm,5%,1/16W,DA,TP,1005 R-CHIP;6.8Kohm,5%,1/16W,DA,TP,1005 R-CHIP;6.8Kohm,1%,1/16W,DA,TP,1005 R-CHIP;12Kohm,1%,1/16W,DA,TP,1005 R-CHIP;10Kohm,5%,1/16W,DA,TP,1005 R-CHIP;1.8Kohm,5%,1/16W,DA,TP,1005 R-CHIP;22ohm,5%,1/16W,DA,TP,1005 R-CHIP;2.7Kohm,5%,1/16W,DA,TP,1005 R-CHIP;22Kohm,5%,1/16W,DA,TP,1005 R-CHIP;2.2Kohm,5%,1/16W,DA,TP,1005 R-CHIP;1Kohm,5%,1/16W,DA,TP,1005 R-CHIP;100Kohm,5%,1/16W,DA,TP,1005 R-CHIP;1Kohm,5%,1/16W,DA,TP,1005 R-CHIP;150Kohm,5%,1/16W,DA,TP,1005 R-CHIP;27Kohm,5%,1/16W,DA,TP,1005 R-CHIP;0OHM,5%,1/16W,DA,TP,1005 R-CHIP;30Kohm,5%,1/16W,DA,TP,1005 R-CHIP;56Kohm,5%,1/16W,DA,TP,1005 R-CHIP;20Kohm,5%,1/16W,DA,TP,1005 R-CHIP;5.1OHM,5%,1/16W,DA,TP,1005 R-CHIP;330Kohm,5%,1/16W,DA,TP,1005 R-CHIP;220Kohm,5%,1/16W,DA,TP,1005 R-CHIP;2.4OHM,5%,1/16W,DA,TP,1005 R-CHIP;1.5Kohm,5%,1/16W,DA,TP,1005
SAMSUNG Proprietary-Contents may change without notice 3-4
SGH-A500 Electrical Parts List
Level
SEC Code
Design LOC
1
2007-000170 R452 R501,R503,R522, 2007-001290 R523 2007-007014 R506 2007-001307 R512,R513,R520, R521 2007-001307 R524,R525,R526, R527 R528,R529,R530, 2007-001307 R531 2007-000138 R567 2007-003030 R568 2007-007483 R602 2007-008500 R606 2007-000157 R609 2007-008117 R611 2909-001174 U101
1
1209-001429 U102
1
1201-001754 U103
1 1
0504-001130 U104,U105,U605 1205-002203 U201
1
1109-001207 U302
1 1
1204-001811 U303 0902-001560 U401
1
1202-001036 U410
1
1009-001010 U501
1 1
1203-002644 U601 1203-002127 U602
1
1203-001518 U603
1
1405-001082 V1,V3,V4,ZD301
1
3404-001152 VOL_DN,VOL_UP
1 1 1 1 1 1 1 1 1 1 1 1
1 1 1
Descriptions
R-CHIP;1Mohm,5%,1/16W,DA,TP,1005 R-CHIP;24ohm,5%,1/16W,DA,TP,1005 R-CHIP;51KOHM,5%,1/16W,DA,TP,1005 R-CHIP;180ohm,5%,1/16W,DA,TP,1005 R-CHIP;180ohm,5%,1/16W,DA,TP,1005 R-CHIP;180ohm,5%,1/16W,DA,TP,1005 R-CHIP;100ohm,5%,1/16W,DA,TP,1005 R-CHIP;91ohm,5%,1/16W,DA,TP,1005 R-CHIP;154Kohm,1%,1/16W,DA,TP,1005 R-CHIP;0.1OHM,1%,1/4W,DA,TP,3216 R-CHIP;47Kohm,5%,1/16W,DA,TP,1005 R-CHIP;2.7Kohm,1%,1/16W,DA,TP,1005 FILTER-DUPLEXER;942.5MHZ,897.5MHZ,1.2/1.4DB, IC-ETC, LINEAR;PCF5079HK/C/1,SOT-650,10P,118MIL,PL IC-POWER AMP;-,MCM,16P,-,-,-,PLASTIC,7V,-,-25TO+10 TR-DIGITAL;BCR35PN,NPN/PNP,250MW,10K/47K,SO IC-TRANSCEIVER;PMB6253V1.1,VQFN,48P,7X7MM,P IC-ETC. MEMORY;1380,32MX16/4MX16BIT,CSP,72P,-,85NS IC-MELODY;YMU759-QE2,QFN,32P,-,PLASTIC,6V,-, IC-MICROPROCESSOR;-,16BIT,P-LFBGA-200-1,200 IC-VOLTAGE COMP.;75W56,SSOP,8P,90MIL,DUAL,+-7V,CMO IC-HALL EFFECT S/W;A3212ELH-SAMSUNG,SC-59A,3P,82MI IC-BATTERY;PMB6810V1.73,VQFN,40P,6.5X5.5MM,P IC-BATTERY;1734,SOT-23,6P,150MIL,PLASTIC,4.7/5 IC-VOLTAGE REGULATOR;5219,SOT-23,5P,63MIL,PLASTIC, VARISTOR;5.6V,20A,1x0.5x0.6mm,TP SWITCH-TACT;12V DC,20mA,160gf,4.5x4.0x2.3mm,SPST
0406-001104 ZD302,ZD500,ZD5 DIODE-TVS;ESDA6V1-5W6,6.1/-/7.2V,100W,SOT-32 01 0406-001144 ZD304 DIODE-TVS;ESDA6V1-4F1,6.1/-/7.2V,150W,CSP 0406-001104 ZD502,ZD503 DIODE-TVS;ESDA6V1-5W6,6.1/-/7.2V,100W,SOT-32
SAMSUNG Proprietary-Contents may change without notice 3-5
4. SGH-A500 Block Diagram IF SAW FILTER(360MHz)
VC-TCXO-208C AFC
VT
vcc
VRF2
TCXO(13MHz)
Tx1800_Rx900
Switchplexer State
H
L
EGSM_Tx
H
H
DCS_Rx
L
L
L
H
DCS_Tx
H
L
H L
H L
EGSM_Rx NO R-Tx
L H
L H
out
GND
GND
MO
LNA900
PLLON
E-GOLD+(PMB2880) EPP1 2 EPN1
DAC
F32K
TEMP
IFPLL BBPGC
VCC4/5
HBT ATTENUATER -7dB
RX3X PCF5079HK
A
ADC
MIXI TX_POWER
ADC
AX
A51/52
ATTENUATER -1dB
TIC_FD
MIXIX
TX-Mixer
Div. by 4
Speech& Channel Encoding
LNAON
BX
DAC DAC
GND
LO1X
LO1
OWS
FL
CPLO1
Control
VDD
PLLON
EFILX
TX1800_RX900 TXONPA
EFIL
GSM Scheduler
EN
Power Mgmt.
RTC
Tx시 GSM Band (1314~1339MHz) DCS Band (1286~1361MHz)
SMARTI+
EP_SDA
RF_OUT
Rx VCO
VCXOEN
C166CBC
BSEL
VRTC Keypad Interface A(0)~ A(22)
VDD_SD
VBAT
VSIM V3V WRQ
SIM CARD
KP0 ~KP9 10
RDQ
SRAM_ BHEQ SEL RESETQ
MEMORY
VBAT Keypad
F-RY_BY LRS1380
AC adapter
T1 Rsence 100nF 154k
INTOUT
I2C bus interface
RESET
VSSD VDDCH VCHC
control
VCHS VBATS VDDPW
CHG charge control
SW
FB VSSPW VDDA
SDBB (stepdown)
VINT VANA
V3V
VRTCVSIM VDDRF VRF1VRF2 VSSA
LRF2(LDO)
CCRST
VTUNE
LRTC(lin.)
CCLK
VANA
LSIM(LDO)
CCIO
FLASH_WR FLASH_SEL D(0)~ D(15)
loop filter
LANA(LDO)
EP_INT
HEAD SET
Modulator Filter (424 or 428MHz)
LINT(LDO)
VBAT
PAOUT EP_SCL
TXONPA
Rx시 GSM Band (1295~1320MHz) DCS Band (1445~1520MHz)
LRF1(LDO)
D0~D7 POLY_EN POLY_CLK POLY_RST POLY_IRQ RDQ WRQ A(1)
V3V
select
VTIC_OUT
MQE959A1G32 RF Output Power Control 10bit DAC
System Interface
EPP2
supply
save
control VOF1748c28DKB
CPTX
BYP IREF VSSR
Reference
E-POWER SCL
POWER ON
SDA
VCXOEN
ON
RTCOUT
SAMSUNG Proprietary-Contents may change without notice 4-1
GSM Band (890~915MHz) DCS Band (1710~1785MHz)
Tx VCO
TX900_RX1800
CLK
JTAG/ Debug
DISP_SCLK DISP_SID
VBAT
YMU759-QE2
3-WIRE-BUS
GND
ATTENUATER -6dB
VCC2
DAC
LED_CTL
YAMAHA CHIP
RFPLL
LO-Buffer
ADC
out1(GSM)
GMSK Modulator
HR/FR/EFR
EPN1
ATTENUATER -1dB
PFD
B
DA
MICP2
M U X
DISP_RST DISP_RS DISP_CS
EPP1
TXONPA
out2(DCS)
MICP1
LCD module
_VINT
VRF1
Tx-mod
VINT
MIC.
VCG
VCC6
RX-TX-LO2
Equalizer
APC
VS2
LO-Buffer
VCO
CMOS
coupling 값 GSM : -19dB DCS : -14dB
APC IC
Viterbi HW Accelerator
FLIP_SNS
REFR
OAK+
Speech& Channel Decoding HR/FR/EFR
FLIP IC
F13M Clock Generation
EPP2
SPEAKER
VRF2
RTCOUT
Osc 32.768kHz
VBAT
HBT
GSM RX SAW FILTER (935~960MHz) SAFSD942MCM0T00R1S
RX3
Div. by 4
CX77301 COUPLER
GSM_RX
RX1X
LO-Buffer
RTCOUTIF32KX
TX900_RX1800
DCS_TX
GSM
SAFSE1G84KA0T00R1S
RX1
BBPGC
MOTOR_EN
TX1800_RX900
GSM_TX
RX-IRM GSM900
Rx-Demod
DCS
(1805~1880MHz)
GNDLNA
BSW XTAL 32.768kHz
DCS_RX
LNA1800
13/26
MOTOR
RF switch control logic
vc2
VRF1
Div. by
VBAT
vc1
RX2
IFPGC
VCCVCXO
RF SWITCH
DCS RX SAW FILTER
RX-IRM GSM1800
TEMP VCXO 13MHz
FSYS
MOX
VCC3
ANTENNA
CPLO2
LNAGAIN
IFIX
IFI
TEMP
VCXOEN
VCXOX
VCXO
TFS360F
LMC33-07A0524A
Switchplexer Truth Table VC1 VC2 L H
Tx900_Rx1800
VRF1
5. SGH-A500 PCB Diagrams 1. Main PCB Top Diagram
CN303
R307 R306
R304
R303
C605
C602
CN301
C614
L601
R302 R301
ZD302
SAMSUNG Proprietary-Contents may change without notice 5-1
C430
CN501
U601
S1
C610
C606
C611
C608
R404
C609
R414
C431
C423C428
OSC202
OSC401
U401
C504
R403
R212 C204
C248
S3
U102
ZD503
C601
R226
C215 R221
R215C239 C228 C234 C254 L218 R227
L204
F204
L210
C222
C236 C232
L202 L203
L206
R610C634
L602 R603
C617
C410
C607
C255 C203
R207 R209
C209
R216 R218
V1
L201
C224 C227
R222
U605
U302
C226R208
C230
C237 L211 R225
U201
C302
C250
L205 C220
C615
R606
V3
R312 R405
CN401
C301
C604
OSC201
R109 C121 C211 C212
R205
C129 C134
L208 L207
C219 C126
F104
C111
R206 C201 C210 C235
C231
C214 R204 C241
F201
C233
D101
C112
L101
CON101
F202
C229 C202 C223
R107
L104
ANT1
C101C102
R101
F103
C246
F105
C216
C104
U101
C389
R315 C317
R121
C225 C115
C131
C122
U103
C103
C110
C132 L103
OSC101
F102
R111
C114
F101
R110
C113
C307 ZD304
R220 C213
C316
R317
Q601
CN302
C315
U602
C249
VOL_DN
U303
S4
VOL_UP
C309
C310
C304
S2
C305 C306 C320
SGH-A500 PCB Diagrams
2. Main PCB Bottom Diagram
C318 C319 R340 KEY01
R118 C118 C119 R522
R506
KEY02
KEY05
KEY08
Q503
KEY06
R503
LED501
C411
KEY03
KEY09
KEY15
LED515
LED14
TP434
TP432
TP430
TP435
TP3
TP2
TP407
TP428
C125
R567
LED507ZD501
KEY12
LED513
R409R402
Q506 LED504 R523
ZD500 Q502
SCLK
TXDD
RXDD
RFSD
TFSD
R330C330
C414
R569 C107
LED13 C123 TP431
TP433
TP1 LED516 R413 V4 TP4
KEY18
R568 R114 R113
LED502 C108 C321 C322
KEY04
LED503 R501
LED505
KEY11
LED508
KEY14
LED510
TP429
C630C613 R604R602
KEY21
5-2
KEY07
KEY10
LED514
KEY13
LED509
KEY17
LED511
KEY20
C479 R427
SAMSUNG Proprietary-Contents may change without notice
C109
R410 C407
U501 C418
C120
U410
C401
R309 R512 C117 C312 Q103 Q602 LED506 R308
C480 C436
KEY16
LED512
KEY19
C501
C412
R525
R416
R203 R417 R609
R531
C218
R408 C478
R520
R526 R411 C413 C444
C408
R415 C417
U105
R529 C477
C409
C404 C443
R513 C416 C303
C127
R412 C448 C446 R428 R429 R305 C450C439 R502R450 C503
C445
C502
R202 R524 C207 R530 C325
U104
R313
C105 C313
L105 C205
R430
C130 C449
U603
C206 ZD301
ZD502
R611 C447
L213 R211 R213 R452 R453
R108
R527
R528 R521
C432
R310 C311 R418
6. SGH-A500 Flow Chart of Troubleshooting and Circuit Diagrams 1. Power On "power on" does not work
check the current consumption
No
check the current consumption more than
about 30mA < I < 500mA ?
No
1A ?
Yes
Yes
Check the Parts connected with Vbat directly
Check the Battery voltage
No Charge the Battery
more than 3.3V ?
Yes
Check the Output voltage of E-power(U601).; -VANA(pin #3) = 2.39V
No
-VINT(pin #24) = 2.62V
Check the U601
-VSIM(pin #21) = 2.85V -V3V(pin #22) = 2.85V -VRF 2(pin #37) = 2.85V
Yes
Check the clock signal at pin #3 of OSC202;
No Check the OSC 202 & clock circuit
FREQ, = 13MHz ?
Yes
Check the U401 & U302 & initial operation
END
SAMSUNG Proprietary-Contents may change without notice 6-1
Download again
SGH-A500 Flow Chart of Troubleshooting and Circuit Diagrams
2. Initial Initial Failure
check the signal at the pin 17 of U601 is "Low → H igh" when the phone is boot on
No
Check the U601
Yes
Check the pin 38 of U601 is "High"
No
Check the U 401
Yes
Check the pin 4 of OSC202 is around 2.85V
No
Check & resolder the OSC202, R221, U601
Yes
Check the LCD connector CN302, L CD FPCB assembly status
No
Re solder CN302, Re-assembly LCD F PCB
Yes END
3. Sim Part Phone can't access SIM Card
Check the pin 1of CN401 Voltage == 3V ?
No
Check the circuit related to U601
Yes Check the SIM connector's connection to SIM Card
No
Resolder to change CN401
Yes Check the circuit around CN401 input circuitry
Check the circuit related to CN401
Check the circuit around U601 output and Voltage supply circuitry
Check the circuit related to U601
End
SAMSUNG Proprietary-Contents may change without notice 6-2
SGH-A500 Flow Chart of Troubleshooting and Circuit Diagrams
4. Charging Part Abnormal charging part
check the pin #17,18 of CN303; -" TA+" is >= 5V
No
Replace TA & Check the CN 303
Yes
Check the pin #4 of U601 ; low ?
No
Check the U 601
Yes
Check the pin #3 of Q601 ; low?
No
Check the Q601
Yes
Check the pin #5 of U602 ; 3.2V ~ 4.2V ?
No
Check the U 602
Yes END
5. Microphone Part M icrophone does not work
check the soldering status of microphone
No Resolder microphone
Yes
Check the reference voltage on mic path C444 = 1.5V
No
Resolder or Change C477,C478,R427
Yes
Is microphone OK?
No change microphone
Yes END
SAMSUNG Proprietary-Contents may change without notice 6-3
SGH-A500 Flow Chart of Troubleshooting and Circuit Diagrams
6. Speaker Part Speaker does not work
No
Check the soldering status of
Resolder of speaker's wire
s peaker inside LCD module
Yes
No Check C430,C431
Resolder of C430,C431 (Audio Signal passes
Yes
through this capacitor)
No
Resolder of C430,C431 (Audio Signal passes
Check R403,R404
through this capacitor) Yes
No
Can you see any audio signal from C430,C431?
This is the defect of E-Gold+. Change E-Gold+
Yes
END
SAMSUNG Proprietary-Contents may change without notice 6-4
SGH-A500 Flow Chart of Troubleshooting and Circuit Diagrams
7. Backlihgt PART
Back Light dos e not
work
Check the soldered status of the L ED PAD
Yes No Check the soldered status of the
Solder the LED again or Replace the LED
LED PAD
Yes
No Back Light (Menu4.4.1)"Short or
Select backlight "Short or Long"
mode
Long" mode in the menu?
Yes
Backlight turn on.
No
Check the LCD Connector
Check the pin 11 of 16 (CN302 ) Replace the FPCB High(2.6V) == ?
Yes
Backlight turn on.
No Change LCD Module
Check the pin 3 of 16 (L CD CON) High(2.6V) == ?
LCD 1. VBAT
Main Board 2. VBAT
3. LED_IN
9. VBAT
10. VBAT
SAMSUNG Proprietary-Contents may change without notice 6-5
11. LED_IN
SGH-A500 Flow Chart of Troubleshooting and Circuit Diagrams
8. Alert Tone
Abnormal Alert tone
Alert tone On by pushing the key *#0289#
Check the PIN 13,14 of Check the circuit related to
CN302
U303
Is there alert wave?
Check the connection from CN302 to the NAND
Change LCD module
of Speaker
Alert is ok?
Change Speaker
END
SAMSUNG Proprietary-Contents may change without notice 6-6
SGH-A500 Flow Chart of Troubleshooting and Circuit Diagrams
9. GSM Reciever 1. Phone Tool Inline Mode : - RF Mode : Rx Continuous. - ARFCN : Rx 62Ch. - Gain : Rx 88. 2. Generator RF Level :-50dBm. 3. Measure with Hewlett Packard 85024A active high frequency probe. → Measured Value is dependent on Probe Measured Point of Component.
●Flow Chart.(GSM : Rx Trouble Shooting)
No
Check RF(947.4MH z) Level at C112 >-55dBm
Replace or Resolder the CON101 & C112
Yes Check RF Level at C229 > -57dBm
Check the Crack & Soldering of U101
No
OK
No
Yes
No
Resolder or Replace the U101 Check RF Level both side at C302 > -60dBm and Almost Same Level
Check 0 ~ 0.5 V at 2 pin, 10pin of U 101
Resolder the U105, U104
No Resolder or Replace C302, L 207, L208, F202 Check the Pin connection(VRF1) Between 7, 19, 26, 30, 38, 39 pin of U201 and 31 pin of U 601. No
Yes
Check IF(360MH z) L evel at C229 > -30dBm
No
Check the Level(>-5dBm) and Frequency (1307.4MHz) RF_Out of OSC201
Check Voltage at 7, 19, 26, 30, 38, 39 pin of U201(2.6 ~ 2. 9V)
No
Yes Yes
Having Some Defect at B'd → Need To send to Korea No
Check Level(>0.6Vpp) and Frequency(13MHz) of OSC202
No
Check Voltage(2.6 ~ 2.9) at 4 pin of OSC202 Yes Resolder or Replace the OSC202, R226, L206
Check IF(360M Hz) Level Both Side at L209 > -40dBm and Almost Same Level
No
Res older or Replace the F204, L 204, C228, C234, L218
Yes
Check the Baseband Level(Vpp : 1V) at 8, 9 , 10, 11pin of U201
No
Check the 2nd Local Frequency(1440MHz) on beside the 38 pin of U202
No Resolder or Replace the C239, C222, R215
SAMSUNG Proprietary-Contents may change without notice 6-7
SGH-A500 Flow Chart of Troubleshooting and Circuit Diagrams
10. GSM transmitter CONTINUOUS Tx ON CONDITION U201 PIN 7&19=2.8V?
NO
U601 CHECK/ CHANGE
CH : 62 Tx POWER LEVEL : 10 RBW : 300KHz VBW : 300KHz ATT. : 30dB
YES
OSC202 CHECK/ CHANGE
YES
OSC202 PIN4=2.8V?
OSC202 PIN3>13MHz 2.5Vrms?
NO
NO
U201 PIN25=1.6~ 1.8Vpp?
YES
U601 CHECK/ CHANGE
OSC201 CHECK/ CHANGE
NO
OSC101 YES NO PIN6>9 OSC101 dBm(902.4MHz PIN5=2.8V? )?
YES
YES OSC201 NO PIN7=2.8V?
OSC201 PIN1=(1326.4 MHz)-3~3 dBm?
NO
NO
YES
F101 NO PIN3>8 dBm(902.4MHz )?
YES
U601 CHECK/ CHANGE
OSC101 CHECK/ CHANGE
F101 CHECK/ CHANGE
YES NO U201 PIN28>-10 dBm(902.4M Hz)?
U201 NO CHECK/ CHANGE
YES OSC101 YES CHECK/ CHANGE
OSC101 PIN5=2.8V?
YES
U103 YES PIN6&8= 3.4~4.2V ?
NO
F103 NO F103 PIN5=22~24 CHECK/ dBm(902.4MHz) CHANGE ?
U103 PIN16= 0~0.5? NO U201 CHECK/ CHANGE
NO U601 U102 CHECK/ PIN10=2.8V CHANGE ?
YES
NO
U103 YES PIN14= 1.5~1.9V ? NO
YES
OSC101 PIN6>9 dBm(902.4 MHz)?
NO
U103 PIN10=22~24d Bm(902.4MHz) ?
U103 CHECK/ CHANGE
BATTERY CHECK/ CHANGE
YES YES
U601 CHECK/ CHANGE
F105 CHECK/ CHANGE
U101 PIN8=22~24dBm( 902.4MHz)?
NO
U101 NO PIN2=0~0.5V &PIN11=2.5~ 2.8V?
F104 PIN4>902.4 MHz(-18dB m)?
NO
F103 CHECK/ CHANGE
YES
YES
CN101 CHECK/ CHANGE
NO
CON101 PIN1=22~24 dBm(902.4MHz) ?
YES ANT1 CHECK/ CHANGE
YES U104&U105 PIN4=2.8V ?
U101 CHECK/ CHANGE NO
YES
YES U104&U105 CHECK/ CHANGE
NO U102 F104 PIN5>902.4 CHECK/ MHz(-28dB CHANGE m)?
U601 CHECK/ CHANGE
U102 CHECK/ CHANGE
SAMSUNG Proprietary-Contents may change without notice 6-8
SGH-A500 Flow Chart of Troubleshooting and Circuit Diagrams
11. DCS Reciever 1. Phone Tool Inline Mode : - RF Mode : Rx Continuous. - ARFCN : Rx 711Ch. - Gain : Rx 88. 2. Generator RF Level :-50dBm. 3. Measure with Hewlett Packard 85024A active high frequency probe. → Measured Value is dependent on Probe Measured Point of Component.
● Flow Chart.(DCS : Rx Trouble Shooting)
Check RF (1845M Hz) Level at C112 >-55dBm
No
Replace or Resolder the CON101 & C112
Yes
Check RF Level at C223
No
Check the Crack & Soldering of U101
OK
No
Yes
No
Resolder or Replace the U101
Check RF Level at L205 > -65dBm
Check 0 ~ 0.5 V at 2 pin, 10pin of U101
No
Resolder or Replace L205, F201
Resolder the U105, U 104
Check the Pin connection(VRF1) Between 7, 19, 26, 30, 38, 39 pin of U201 and 31 pin of U601. Yes
Check IF(360M Hz) L evel at C229 >
No No
Yes
Check the Level(>-5dBm) and Frequency (1485MHz) RF_Out of OSC201
Yes
Check Voltage at 7, 19, 26, 30, 38, 39 pin of U201(2.6 ~ 2. 9V)
No
Having Some Defect at B'd → Need To send to Korea No
Check Level(>0.6Vpp) and Frequency(13MH z) of OSC202
No
Check Voltage(2.6 ~ 2.9) at 4 pin of OSC202 Yes Resoder or Replace the OSC202, R226, L206
Check IF(360MHz) L evel Both Side at L209 > -40dBm and Almost Same Level
No
Resolder or Replace the F204, L204, C228, C234, L218
Yes
Check the Baseband Level(Vpp : 1V) at 8, 9 , 10, 11pin of U201
No
Check the 2nd Local Frequency(1440MH z) on beside the 38 pin of U202
No
Resolder or Replace the C239, C222, R215
SAMSUNG Proprietary-Contents may change without notice 6-9
SGH-A500 Flow Chart of Troubleshooting and Circuit Diagrams
12. DCS transmitter
CONTINUOUS Tx ON CONDITION U201 NO PIN 7&19=2.8V?
U601 CHECK/ CHANGE
CH : 698 Tx POWER LEVEL : 5 RBW : 300KHz VBW : 300KHz ATT. : 30dB
YES
OSC202 CHECK/ CHANGE
YES
OSC202 PIN4=2.8V?
NO
OSC202 PIN3=13MHz 2.76Vrms?
NO
U201 PIN25=1.3~ 1.5Vpp?
YES
U601 CHECK/ CHANGE
OSC201 CHECK/ CHANGE
NO
YES
OSC201 PIN7=2.8V?
OSC101 PIN10>5 dBm(1747.4 MHz)?
YES
NO
NO
NO
OSC201 PIN1=1323.4 MHz(-5~3 dBm)?
U601 CHECK/ CHANGE
OSC101 PIN5=2.8V?
YES
OSC101 CHECK/ CHANGE
YES
F102 PIN3>4 dBm(1747.4 MHz)?
YES
NO
NO
F101 CHECK/ CHANGE BATTERY CHECK/ CHANGE
YES NO U201 CHECK/ CHANGE
NO
U201 PIN28>-14 dBm(1747.4 MHz)? YES
OSC101 CHECK/ CHANGE
YES
OSC101 PIN5=2.8V?
NO
U103 PIN12=19~21 dBm(1747.4 MHz)?
YES
U103 YES PIN6&8= 3.4~4.2V ?
NO
U103 YES PIN14= 1.2~1.4V ? NO
YES
OSC101 PIN10>5 dBm(1747.4 MHz)?
F103 NO F103 PIN7=19~21 CHECK/ dBm(1747.4 CHANGE MHz)?
U103 PIN16>2.5V ? NO
NO U601 U102 CHECK/ PIN10=2.8V CHANGE
U201 CHECK/ CHANGE
?
YES
NO
U103 CHECK/ CHANGE
YES YES
U601 CHECK/ CHANGE
F105 CHECK/ CHANGE
U101 PIN8=18~21 dBm(1747.4 MHz)?
NO
U101 PIN2=2.5~2.8V &PIN11=0~0.5V ?
NO
F104 NO PIN4>1747.4 MHz(-21dBm) ?
F103 CHECK/ CHANGE
YES
YES
CN101 CHECK/ CHANGE
NO
CON101 PIN1=18~21 dBm(1747.4 MHz)?
YES ANT1 CHECK/ CHANGE
YES U104&U105 PIN4=2.8V ?
U101 CHECK/ CHANGE
NO U102 F104 PIN5>1747.4 CHECK/ MHz(-30dBm) CHANGE ?
NO YES
YES U104&U105 CHECK/ CHANGE
U601 CHECK/ CHANGE
SAMSUNG Proprietary-Contents may change without notice 6-10
U102 CHECK/ CHANGE
SGH-A500 Flow Chart of Troubleshooting and Circuit Diagrams
13. RF Circuit Diagram
A
1 VRF1
DCS_R X 1
3
TX900_RX180 0
4
GND DCS_RX
VC2
3
11
4
C101 47PF
2
22
U101
12
U105
2
VC1
ANT1 1
GSM_RX
10
3 4
GSM_RX
5 6
1
3
DCS_TX
GND
4
GND
ANT
5
GSM_TX
9 L104 1.5nH
CON101 2
8
OUT G4 G3 G2
B
6
5
C112 33PF,NPO,060 3
7
GND
IN
1
G1 4
3
L101 10nH
GND VRF1
6
VBAT
U104 4
2
F104
5
1 C102 27PF
6
1
F103
GND
GND
IN
OUT
4
2
C111 27PF
3
R107 1K
6 5
GO
CO
1
GI
GD
GD1
DO
DI
2 3
C109 100NF
GSM_OUT
C110 33PF
TM
C115 NC
D101 BAT62-02W
DCS_OUT
C104 10PF
L105
C105 27PF
U102 10 VDD 9 BS 8 PU
4 R113 1K
R101 51
C103 7PF
VRF1
8 7 C
C134 100UF 6.3V
TXONPA
7
TX_POWER R114 1K
6
C120 100PF
C130 10UF 10V
VCG 1 C127 4.7PF
_VINT 2 VCD 3
C126 27PF
VS14
VDAC VSS
VS2 5
VSS VSS VSS VSS VSS VSS
3
TX1800_RX90 0
16 15 14 13 12 11
D
C107 680PF
BAND_SEL
C125 27PF
C123
VTIC_OUT
10 4
R121 68
C118 27PF
C129 18NF
3
CONTROL
4 NC
F101
4 IN
OUT1 6
1
OUT2 10
GND GND GND GND GND GND
E R108 33K
5 POWER
16
BAND_SEL OUT 3
GND
GND
2
2 C119
SELECT7
C113 33PF
27PF
8 9 11 12
F102
4 IN
3 2
18 19 20
12
Q103
C117 100PF
1 VRF1
APC
VCC1
8
6
GND
DCSOUT
DCSIN
GND13 GND14 GND15 GND16
GND10 GND11 GND12
12
DCS_OUT
21 22 23 24
1 3 5 7 91 1 13 15 17
OUT 3 GND
BS
2
C114 10PF
R110 220 F105
L103
TIC_FD
4 IN 1
F
14
VCC2
U103
OSC101
VRF1
1
GSMIN
C122 27PF
GND1 GND2 GND3 GND4 GND5 GND6 GND7 GND8 GND9
C121 150PF
TXONPA
GSM_OUT
R118 0
27PF
C108 27PF
GSMOUT
R109 270
C131 27PF
OUT 3
GND
GND
R111 220
2
Engineer
COMPANY NAME
Kim H.K
C132 1UF
Address City
Drawn by Kim H.K
X5R TYPE
R&D CH K
Size
TITLE :
A3
DOC CTRL CH K
F105 WILL BE CHANGED BETWEEN 1 AND 3 IN LAYOUT
MFG ENGR CH K Changed by
SAMSUNG Proprietary-Contents may change without notice 6-11
Date Changed
2002 - 09 - 30
Time Changed
QA CH K
SGH-A500_REV1.9B REV
1.9B
Drawing Numbe r
SGH-A500 Flow Chart of Troubleshooting and Circuit Diagrams
14. RF Tranceiver Circuit Diagram 1
2
3
4
5
6
7
8
VRF2
A
A R221 22,5%
VRF1
C234 6.8PF
G3 OUT2
(COIL)
2
OUT1 EC 3
L218 82nH
C232 5.6pF
C220 1PF
6
L203 27nH
L202 27nH
C236 5.6pF
F204
L206 8.2uH
C204 100NF
IN2
L204 39nH
C228 6.8PF
OUT VCC 3 4
VT
1 2
AFC
GND
R212 10K
L210 NC
7
1
OSC202
G2
IN1 G1
8
4
C239 820PF
C241 330PF
5 VRF1
C222 10NF
R226 22K
B
R215 1.8K
R204 C248 2.2UF X7R TYPE
R218 6.8K
10
AX
11
R216 6.8K
12
D
C227 82PF
R222 6.8K
MO
GND
MOX
VCC3
CPLO 2
LNAGAI N
IFI
IFIX
TEMP
VCXOEN
VCXO
VCXO X
AX B BX GND CLK
B
A
BX
2
C233 NC
F202 L207 3.3nH
34
4 6
C302 1.8PF
32
L208 3.3nH
31
30 VCC6 29 MIXI 28 MIXIX 27 LNAON 26 VCC2 25 CPTX
VCC4/5
DCS_R X
GND1
OUT1
C229 27PF
2 IN
C
GSM_R X
OUT2 G3 G2 G1 5 3 1
C202 NC
C225 12PF C231 12PF TIC_FD VRF1
R205 0
C216 27PF
GND
9
C224 82PF
U201
LO1X
8
RX3X
LO1
7
6.8K
RX3
REFR
OSW
R207
PLLON
IN 1
36 35
RX1X
CPLO 1
AB
BSW
VDD
R209 12K,1%
C218 27PF
4
33
FL
6
RX1
EFILX
5 R203 1K
C209 27PF
GNDLNA
EFIL
4
L213
RX2
VCCVCXO
GND2
C219 NC
3 FSYS
10NF
BAND_SEL PLLON
VRF1
GND
EN
FSYS_B B
C223 12PF
48 47 46 45 44 43 42 41 40 39 38 37
R227 2.2K
1
C203
L205 2.7nH
3 OUT
2 L201 33uH
F201
C214 27PF
C254 100NF
C255 27PF
C
B
TEMP
DA
C215 100NF
0
D
13 14 15 16 17 18 19 20 21 22 23 24 VTIC_OUT RF_CL K RF_DATA RF_EN
R211
1K
R213
1K
R202
1K
VRF1
C205 27PF
C206 27PF
L211 18nH
VRF1
C237 6PF
C235 15PF
R220 22
C211 27PF C212 27PF
C201 15PF
R206 0
E
C207 27PF
C246 2.2UF
E
OSC201
R208 8.2K
7
C213 27PF
D C PW
5
C210 27PF
RF_OUT
VTUNE
3
1
BSEL GND1
C249 10UF X5R TYPE
GND2
GND3 GND4
X7R TYPE 2
C230 4.7nF
C250 820PF
46
8
C226 47PF
R225 3.3K Engineer
COMPANY NAME
KIM. H. K
F
Address City
Drawn by KIM. H. K
R&D CH K
F Size
TITLE :
A3
DOC CTRL CH K MFG ENGR CH K Changed by
Date Changed
2002 - 09-30
user10
1
2
3
4
5
SAMSUNG Proprietary-Contents may change without notice 6-12
6
Time Changed
QA CH KD
SGH-A500_REV1.9B REV
rawing Numbe r
Sheet
1.9B
1:50:30 pm
7
8
2
of
6
SGH-A500 Flow Chart of Troubleshooting and Circuit Diagrams
15. Memory & Connector Circuit Diagram 1
2
3
4
5
6
7
8
EPP1
EPN1
D(7)
D(6)
D(5)
D(2)
C301 1UF
D(4)
A
D(3)
V3V
A
FLASH_WR U302
A(1:20)
VBAT
A(5) A(4) A(3) A(2)
V3V
A(1)
A3 H7 D8 G 10
A(21) FLASH_SEL SRAM_SE L
F 4 _S-UB F 3 _S-LB
BHEQ A(0)
C RESETQ F-RY_BY
C389 10NF
F-A20 _F-C E S-CE2 _S-CE1
R313
E3 _F-WP D4 _F-RST C4 _F-RY/B Y
0
F 5 _S-OE H9 _F-OE B8 _S-WE C3 _F-WE
RDQ W RQ
R308
150K C309 10UF 10V
13
SPOUT 1
SPOUT 2
EXT 2
D7
D6
D5
D4
D3
D2
EQ1 12
RDQ
31 SCLK
HPOUT-R 11
C311
C312 330PF
33NF
R309 27K
C310 100NF
D(6) D(5) D(4)
32
D(3)
SDOUT
D(2) D(1) D(0)
1
2
3
4
5
D5 T1 D6 T2 E7 T3 NC NC NC NC NC NC NC NC NC NC NC NC NC
EQ2
U303
14
30 SYNC
C5 A1 A2 H1 H2 H3 F6 A10 A11 A12 H10 H11 H12
HPOUT-L/MONO
6
7
8
B
10 R310 27K
9
R330 56K
C313 330NF
C330 4.7NF
C315 100NF
R312 0
A(22)
VREF
A(6)
SDIN
15
A(1)
D(7)
VSS
A(7)
POLY_EN
D(8)
29
VDD
A(8)
D(9)
EQ3
PLLC
A(9)
D(10)
/WR
30K
A(10)
28
30K
A(11)
B
D(11)
SPVS S 16 SPVDD
EPN2
R317
A(12)
WRQ
D(12)
D0
IFSEL
A(13)
27
D(13)
R315
A(14)
26 D1
D(0)
D(14)
/RST
A(15)
A16 A15 A14 A13 A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0
D(1)
D(15)
EPP2 V3V
C316 1NF
POLY_RST
A(16)
D(0:15 )
B7 B9 C7 D7 E6 E8 F7 F8 B10 C8 C10 C9 E10 E9 F10 F9
/IRQ
B3 A5 A6 A7 A8 A4 B5 B6 B4 G5 G6 H4 H5 G7 G8 G9 H6
A(17)
D Q 15 D Q 14 D Q 13 D Q 12 D Q 11 D Q 10 DQ9 DQ8 DQ7 DQ6 DQ5 DQ4 DQ3 DQ2 DQ1 DQ0
POLY_IRQ
A(18)
EXT1
A(19)
25 24 23 22 21 20 19 18 17
CLKI
E5 F-A19 G 3 F-A18 G 4 F-A17
A(20)
D10 F-VCC E4 E-VPP D9 S-VCC
POLY_CLK
C6 S-A17
C ZD304 B1 A1
C317 100NF
D3 GND A9 GND H8 GND
A2
B2
B3
A3
DISP_RST DISP_R S DISP_SCL K DISP_SID
MEMORY 6
27pF
20 20 19 19
VBAT
E
CN301 1 1 2 2 3 3 4 4
1 2 3 4 5 6 7 8 9 10 11 12
R301 R302
1K 1K
TXD0 RXD0 RXD1 TXD1
R304
1K
R307
1K
9 10 11 12 13 14 15 15 16 16
C318 22PF
1 2 3 4 5 6 7 8
1 2 3 4 5 6
DISP_C S V3V
7 8
CTS RTS
E C320 27p F
R340 20K
C321 27PF
RESETQ DATA_DE T TA+
VINT 3
5
2
ZD301
C322 100PF
LCD CONNECTOR
V3
4
1
6
ZD503 Engineer
COMPANY NAME
KIM. H. K
Address City
Drawn by
F
KIM. H. K
R&D CH K DOC CTRL CH K
SYSTEM_CONNECTOR
MFG ENGR CH K Changed by
Date Changed
2002 - 09 - 30
user10
1
D
27p F
EPP 1
C319 27PF
13 14 15 16 17 18
9 10 11 12 13 14
LED_CTL MOTOR_EN EPN1
AUTO_PWR
V1
C325 27PF
C303 100NF
1K 1K
R303 R306
R305 100K
BP_V F
27pF
C307
CN302
CN303 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
C306
C304-307,C320 0603
1
2
3
VBAT
C305 27pF
VBAT
ZD302
5
4
D
C304
2
3
4
5
SAMSUNG Proprietary-Contents may change without notice 6-13
6
Time Changed
QA CH K
1:50:57 pm
7
F Size
TITLE :
A3
SGH-A500_REV1.9B REV
1.9B
Drawing Numbe r
Sheet
8
3
of
6
SGH-A500 Flow Chart of Troubleshooting and Circuit Diagrams
16. Baseband Processor Circuit Diagram 1
2
3
4
5
6
7
8
VSIM VSIM
AX AB B BX
CN401
D(15)
D(14)
D(13)
D(12)
D(9)
D(11)
D(8)
D(10)
D(7)
D(6)
D(5)
D(4)
D(3)
D(2)
A
D(1)
D(0)
D(0:15)
A(20)
A(19)
A(18)
A(17)
A(16)
A(15)
A(14)
A(13)
A(12)
A(9)
A(11)
A(8)
A(10)
A(7)
A(6)
A(5)
A(4)
A(3)
A(2)
A(1)
A(1:20)
R418 22K
1 1 4 4 2 2 5 5 3 3 66 GG GG 7 89 10
CCRS T CCLK
C436 47PF F15 F14 D15 D14 C15 C14 A13 B13 A12 B12 A10 B10 A9 B9 A8 B8 A7 B7 A6 B6 A4 F13 F12 E13 E12 D13 D12 C13 C12 C11 D11 C10 D10 C9 D9 C8 D8 M1 M2 L1 L2 J1 J3 J2 J4
A(0)
R409 330K BP_VF ISENSE
TP428
VINT VDD_SD
R417 NC
C
C404 100NF
VRTC
VINT
R415 2.4
VINT
E
C3 NGUAR D P1 QGUARD G4 AGND G5 VREF F 5 IREF M5 MON1 L5 MON2 D5 RXDD C4 RFSD D4 C6 TFSD SCLK C5 TXD D A1 NC1 E8 NC2 H11 NC3 A15 NC4 R15 NC5 L8 NC6 R1 NC7 H5 NC8 J5 NC9 R4 T DO P6 TMS P4 T DI N6 TRST# N5 TCK R6 CLKOUT|PC. 0 N3 TRIG_OUT N4 TRIG_IN N12 TXD 1 R12 TXD 0 M12 RXD1 P12 RXD0 A3 DSPOUT 0 B3 PDOUT|A23 B4 CLKXM|A21 G 12 CS3Q G 13 CS4Q E11 DSPOUT1|A22 E10 CC06IO M7 READYQ|PC. 1 M11 CC01IO|PE. 2 N7 CC00IO|PC. 2 M15 RFSTR1 K11 RFSTR2 J11 RFSTR3 H14 T_OUT12
C416
0
100NF
C410 100NF
C417 100NF
C414
C412 10NF
100NF
C413 100NF
D
AGND
CN402 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
C411 10NF
RESETQ
R408
B
OSC40 1 4
3
1
2
HS_DE T EP_INT LED_CT L FSYS_B B VCXO_E N RTCOUT
C428 18PF
AUTO_PWR CTS CCRS T CCLK
C431 22UF 6.3V
R427 2.2K
C479 27PF
MICP 1
C478
100NF
CCIO
C477 R403 R404
5.1 5.1
EPN 1 EPP 1
VMIC
100NF
R428
1.5K
C444 27PF
AGND
AGND
C
C409 VANA
EPN2 EPP2
C445 2.2UF 6.3V
C446 NC
KP0 KP1 KP2 KP3 KP4 KP5 KP6 KP7 KP8 KP9
C443 27PF
AGND
10UF 6.3V AGND
AGND
R412 2.2K MICP2
C448 27PF
VANA
C447
100NF
C449
100NF
R429 1.5K
C439 27PF
C432 10UF 6.3V
C450 27PF C418 100NF
D
AGND AGND
AGND
C408 100NF
R450 33K
VINT
AGND
3
8 EPP2
R452 1M
1
SEND_EN D
U410-1
2 4
MICP 2 HS_DET
R453 33 K
E R413 220K
C407 560PF
C401 39PF
AGND TXD1 RXD1 TRIG_OUT T DO TMS T DI TRST T CK TRIG_IN MON1 MON2
AGND AGND
AGND
HEAD SET FPCB TP430 TP431 TP432 TP433 TP434
T CK TMS T DO TRST TDI AUTO_PWR
F
GND TCK1 TMS1 TDO1 TRST1 TDI1
VBAT F_WE TX RX A_P VINT
VBAT WRQ TXD0 RXD0 T A+ (HP_PWR ) VINT RESET Q DATA_DET
TP435
AUTO_PWR1
RESET DATA_DET1
LAUTERBACH EMULATOR
Engineer
KIM. H. K
R&D CHK
F Size
TITLE :
A3
DOC CTRL CH K
Date Changed
2002 - 09 - 30
user10
3
Address City
Drawn by
MFG ENGR CH K
2
COMPANY NAME
KIM H. K
Changed by
1
0
DATA_DE T DISP_SCL K DISP_SID
TP2 TP3 TP1 TP4
30K
MON1 MON2
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
R414
FLASH_W R POLY_RST F-RY_BY
VANA
T DO TMS T DI TRST TCK SEND_EN D TRIG_OUT TRIG_IN TXD1 TXD0 RXD1 RXD0 RD_LED GR_LED POLY_CLK POLY_IRQ POLY_EN A(22) A(21) FLIP_SN S MOTOR_EN
R402 150K
U401
NC
TEMP
C423 18PF
R430
R411 100K
R410 10K
TP429
EP_SC L AFC RF_E N RF_CLK RF_DAT A TX_POWE R
CLOSE TO PIN1
RESETQ BHEQ SRAM_SEL FLASH_SE L RDQ WRQ
V4
VBAT
RXDD RFSD TFSD SCLK TXDD
VRF2
100NF
P3 RESET_IN_Q E7 BHEQ D6 CS1Q A14 CS0Q RDQ D7 C7 WRQ E6 CS2Q A2 RSTOUTQ|F.2 SSCCLKP11 MTSR N11 MRST R14 CC02IO|RF.0E9 RFSTR4|EX2IN L12 T_OUT11|CC19IO F11 M14 F13M VCXO2_E N P7 P14 RTCOUT F32K N14 P15 RTCOUT|F32K X L10 CCVZQ CCIOSWL 9 L7 CCRS T CCLKM9 L6 CCIN M10 CCIO 22UF VMIC E1 F2 6.3V MICP 1 C430 EPN1C1 D2 EPP 1 F1 MICN1 F4 MICP 2 E2 EPN2 EPP 2 D1 F3 MICN2 R7 KP0 KP1 R8 P8 KP2 KP3 N8 M8 KP4 N9 KP5 KP6 R10 P10 KP7 KP8 N10 R11 KP9 C2 VDDV21 E4 VDDV22 E5 VDDV23 VSSV2 1 D3 E3 VSSV2 2 H4 VDDX G1 VSSX
R405
R416 100K
B
G 11 T_OUT10|DSPIN1 M6 HLDAQ|DSPIN0 L15 T_OUT 0 L14 T_OUT 1 L13 T_OUT 2 K13 T_OUT 3 J13 T_OUT 4 H13 T_OUT 5 K12 T_OUT 6 J12 T_OUT7|PD. 6 H12 T_OUT 8 L11 T_OUT9|PD. 8 R3 AFC H15 RFSTR0 K14 RFCL K K15 RFDATA H2 PAOUT M3 RFREF K4 BREF L 3 TBAT N1 VBAT N2 BTEC L 4 TENV M4 TVCO B1 VDD1.0 B2 VSS1.0 B15 VDD1.1 B14 VSS1.1 G 15 VDD1.2 G 14 VSS1.2 R2 VDD1.3 P2 VSS1.3 A5 VDD2.0A B5 VSS2.0 A A11 VDD2.0B B11 VSS2.0 B E15 VDD2.0C E14 VSS2.0 C R9 VDD2.1 P9 VSS2.1 J15 VDD2.2 J14 VSS2.2 R5 VDD2.3 P5 VSS2.3 R13 VDD2.4 P13 VSS2.4 N13 VDDRTC M13 VDDA N15 VSSA|RTC H3 VDDD H1 VSSD K1 VDDT K5 VSST K3 VDDR K2 VSSR G 3 VDDV G2 VSSV
TP407
VANA
C480
A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 Q RX QR IR I RX IT QT ITX QTX
DISP_C S RTS TXONPA PLLO N TX900_RX1800 TX1800_RX900 BL_LED EP_SD A DISP_R S DISP_RS T
A CCIO
4
5
SAMSUNG Proprietary-Contents may change without notice 6-14
6
Time Changed
QA CH K
SGH-A500_REV1.9 B REV
1.9B
1:51:19 pm
7
Drawing Numbe r
Sheet
8
4
of
6
SGH-A500 Flow Chart of Troubleshooting and Circuit Diagrams
17. Key Matrix & LED Circuit Diagram 1
2
3
4
5
6
7
VOL_U P
2
KP6
2
1
2
KEY04
1
8
1
2
KEY02
KP1
1 KEY06 A
5
4
3
0
2
1 KEY05
VOL_DOWN
2
1 KEY1 0
2
1 KEY1 1
2
1 KEY12
2
2
1 KEY1 3
2
1 KEY14
2
1 KEY15
2
2
1 KEY1 6
2
1 KEY1 7
2
1 KEY18
2
1 KEY1 9
2
1 KEY2 0
2
VOL_UP
1 KEY0 8
VBAT
1
VOL_D N LED13
C510 5.6PF
LED14
2 2
KP8
1
5 R567 100
R568 10
Q502
RD_LED
1
2
3
KEY03
3
5
R569 220
Q503
3
4
1
B
1 KEY01
Q506
1
4
3
1
GR_LED
2
BL_LED
2
VBAT
3
2
1 KEY0 9
1 KEY21
2
1 KEY07
ALERT_LED_O N 6
7
8
9
KP6 KP7 KP8 KP9
VINT
KP0 KP1 KP2 KP3 KP4 KP5
U501
R506 51K
2 OUT VCC1 GND 3
FLIP_SN
C
2 POWER_ON
KEY_PA D
VBAT
C502 100NF
U603
5 4
FLIP_SENSE
C501 10UF 6.3V
C503 470PF
VOUT
VIN
BYP CTL GND 2
4
3
4
3
4
2
5
2
5
2
5
1
1 3
D
3
1
6
LED_CT L
1
6
EPP 2
6
ZD502
ZD501
ZD500
R502 10K
LED516
LED512
LED511
LED515
LED510
LED509
LED514
LED508
LED507
LED513
LED506
LED505
LED50 4
LED503
LED502
LED501
E
S1
S2
S3
S4
CN501 MICP1
C504 NC
R503 24
R522 R501 24 24
R523 24
R524 18 0
R512 180
R525 180
R526 180
R513 180
R527 180
R528 180
R520 180
R529 180
R530 180
R521 180
R531 180
AGND
AGND
Engineer
COMPANY NAME
Kim. H. K
Address City
Drawn by
MIC_PA D
Kim. H. K
R&D CH K DOC CTRL CH K MFG ENGR CH K Changed by
Date Changed
user10
SAMSUNG Proprietary-Contents may change without notice 6-15
2002 -09 - 30
Time Changed 1:51:41 pm
QA CH K
F Size
TITLE :
A3
SGH-A500_REV1.9B REV
1.9B
Drawing Numbe r
Sheet
5
of
6
SGH-A500 Flow Chart of Troubleshooting and Circuit Diagrams
18. Power Management Circuit Diagram 1
2
3
4
5
6
7
8
VBAT
A
A C615 2.2UF 16V
VINT
C614 100UF 6.3V
R606 0.1
C604 10U F 10V
L601 R603 20K
U601 16
EP_SD A
B
15
EP_SC L
13
KP9 3
0
Q602
26 2
40
TA+
SDA
VDDCH
SCL
VCHC
VSSD VCHS
7 B 4 5
VSSD 6 VSSD
VDDPW 1
SW
KP0
8 9
Q601
C602 10UF
VBATS L602
22uH
VDD_SD
1 ISENSE 6 DRIVE 2 GND 5 VSENSE 3 VCC PROG 4
X5R TYPE
18 19
POWER_O N
FB
C601
ON
10UF X5R TYPE
10 RTCOUT
VSSP W R609 47K
C
VDDA VANA
VCXO_EN
14
EP_INT R604
3
12 56 ISENSE
VBAT
39
38
RESETQ
4
U602
1K
VCXOEN VDDB VINT V3V VRTC IREF VSIM
28 R602 154K,1%
VBAT
5 2
23
VINT
BYP
3
24 V3V
22
VRTC
30 VSIM
21 D 25
VSSA C613 100NF
1
4
C630 220NF
D
U605 6
INTOUT
17 /RESET
29
3
C
R611 2.7K 1%
VANA
VBAT
35 27
VDDRF
VRF1
VSSR 31 VRF1
VRF2
37 VRF2 36
C606
E 1
POS
C605
C609
C608
C607
X7R TYP E
C617
NEG 2
C634
R610 1K
2.2UF
2.2UF
2.2UF
2.2UF
2.2UF
2.2UF
2.2UF
E
1UF
C611
C610
VRF3
Engineer user3 Drawn by user3 R&D CHK
F
COMPANY NAME Address City
F Size A3
TITLE :
DOC CTRL CH K
SGH-A500_REV1.9 B
MFG ENGR CH K Changed by user10
1
2
3
4
5
SAMSUNG Proprietary-Contents may change without notice 6-16
Date Changed
2002 -09 - 30 6
Time Changed 1:51:59 pm
QA CH K
REV
Drawing Numbe r
Sheet
1.9B 7
8
6 of
6
