Samsung SGH-A500 Schematics
5. SG H-A500 PCB Diagrams
1. Main PCB Top Diagram
C305 C306
C320
C304
CN302
ZD304
C307
F101 F102
C113
R110
C114
R111
S4
OSC101
C132
C131
L103
C122
R109
R121
C310
VOL_DNVOL_UP
C309
U303
C301
C389
C121
OSC201
C249
R220
C213
C315
C316
R317
R315
C317
R312
R405
CN401
C604
U602
Q601
ZD503
R307
R306
R303
S2
V3
CN303
ANT1
L104
L101
R101
C115
U101
C112
CON101
F103
U103
U605
C606
R304
C614
C605
C504
C610
ZD302
R302
R301
CN301
CN501
S1
R403
R404
C634
R610
C607
C615
C617
C609
V1
U601
C608
L601
C602
C611
R603
R414
R606
L602
OSC401
C601
C431
C430
C428
C423
C129
C246
C201
C103
C134
C104C110
L208
F202
C126
L207
C219
C214
L205
L202
L203
R204
S3
C102
C101
C223
C233
C111
R107
D101
C229
C202
F201
F104
U102
C216
C231
C225
F105
C302
C241
R205
C220
C236
L210
C232
C211
C222
C212
R206
C210
C239
R215
F204
U201
C228
C235
C234
L204
C254
C237
R227
L218
C248
R225
L211
R209
L206
C215
C227
C224
C255
C230
C250
R222
R216
R218
R207
C203
R221
R208
C226
R226
OSC202
R212
C209
L201
C204
U302
C410
U401
SAMSUNG Proprietary-Contents may change without notice
5-1
2. Main PCB Bottom Diagram
C305 C306
C320
CN302
F101 F102
C113
C304
C307
R110
C114
ZD304
R111
S4
OSC101
C132
C131
L103
C122
R109
R121
SGH-A500 PCB Diagrams
C310
VOL_DNVOL_UP
C309
U303
C301
C389
C121
OSC201
C249
R220
C213
C315
C316
R317
R315
C317
R312
R405
CN401
C604
U602
Q601
ZD503
R307
R306
R303
S2
V3
CN303
ANT1
L104
L101
R101
C115
U101
C112
CON101
F103
U103
U605
C606
R304
C614
C605
C504
C610
ZD302
R302
R301
CN301
CN501
S1
R403
R404
C634
R610
C607
C615
C617
C609
V1
U601
C608
L601
C602
C611
R603
R414
R606
L602
OSC401
C601
C431
C430
C428
C423
C129
C246
C201
C103
C134
C104C110
L208
F202
C126
L207
C219
C214
L205
L202
L203
R204
S3
C102
C101
C223
C233
C111
R107
D101
C229
C202
F201
F104
U102
C216
C231
C225
F105
C302
C241
R205
C220
C236
L210
C232
C211
C222
C212
R206
C210
C239
R215
F204
U201
C228
C235
C234
L204
C254
C237
R227
L218
C248
R225
L211
R209
L206
C215
C227
C224
C255
C230
C250
R222
R216
R218
R207
C203
R221
R208
C226
R226
OSC202
R212
C209
L201
C204
U302
C410
U401
SAMSUNG Proprietary-Contents may change without notice
5-2
13. RF Circuit Diagram
A
TX900_RX180 0
B
TX1800_RX90 0
C
SGH-A500 Flow Chart of Troubleshooting and Circuit Diagrams
ANT 1
1
VRF1
U10 5
3
2
1
4
5
6
C101
47PF
DCS_R X
1
2
3
4
5
VRF1
U10 4
3
2
1
4
5
C102
6
27PF
C115
NC
DCS_RX
VC1
DCS_TX
GND
GSM_TX
12
GND
GND
6
U101
GSM_RX
GND
ANT
GND
7
GO
6
GD 2 GD1
5
DO
VC2
F103
11
10
9
8
7
8
CO
1
GI
3
DI
TM
4
R101
51
GSM_RX
C112
33PF,NPO,060 3
GND 1 GND
4
IN
C104
10PF
C110
33PF
2
F104
OUT
DCS_OUT
GSM_OUT
TXONPA
TX_POWER
2
3
CON101
OUT
G4
L104
R113
1K
R114
1K
1.5n H
R107
1K
D101
BAT62-02W
C109
100N F
1
IN
G2 G3
G1
4
5 6
3
C111
27PF
2
3
4
L101
10nH
1
2
3
4
VRF1
VBA T
C10 3
7P F
C134
100UF
C127
4.7PF
6.3V
L105
C13 0
C120
U10 2
9
8
7
VDD
BS
PU
VDAC
VS S
VSS
VCG 1
2 _VIN T
C126
3 VCD
VS 14
VS 2
VSS
VSS VSS
13 14
15 16
12
27PF
5 6
VSS VSS
11
10
C105
27PF
100PF
10UF
10 V
D
E
F
BAND_SEL
VTIC_OUT
TXONP A
1
Q103
R108
33 K
VRF1
C121
150PF
R121
68
C129
18N F
R109
270
C122
27PF
3
CONTROL
4 NC
POWE R 5 SELECT
OSC101
GND
12
GND GND
8
C108
27PF
OUT1 6
10 OUT2
7
GND GND
GND
9
11 12
3
2
C117
100PF
VRF1
L103
C131
27PF
F10 5
4
IN 3 OUT
1
GND
F105 WILL BE CHANGED BETWEEN 1 AND 3 IN LAYOUT
C132
1U F
X5R TYPE
TIC_FD
GND
R110
22 0
R111
22 0
2
C107
680P F
1
4
C125
27PF
F10 1
IN 4 OUT
GND 2 GND
F10 2
IN 3 OUT
GND 1 GND
C123
27PF
R118
0
C118
27PF
14
16
3
C119
27PF
2
C113
33PF
C114
10PF
2002 - 09 - 30
18 GND1 0
19
20
Time Changed Date Changed Changed by
4
2
GSMI N
AP C
BS
DCSIN
GND11
GND1 2
GND1
3
1
10
GSMOUT
U10 3
GND2
GND3 GND4
GND5
5
7
91 1
Engineer
Kim H. K
Drawn by
Kim H. K
R&D CH K
DOC CTRL CH K
MFG ENGR CH K
QA CH K
DCSOUT
GND13
GND14
GND15
GND16
GND6 GND7
13 15
GND8
17
8
VCC2
6
VCC1
12
21
22
23
24
GND9
COMPANY NAME
TITLE :
SGH-A500_REV1.9B
REV
Drawing Numbe r
1.9B
Address
City
GSM_OUT
DCS_OUT BAND_SEL
Size
A3
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6-11
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