LG U8110 Service Manual page 237

9. CIRCUIT DIAGRAM
1 2 3
A
VBATI
BLM31PG601SN1
B
R1301
0
VDDBUF
PASENSE+
PASENSE-
PAREG
R1329
C1322 1K
IOUT
150p R1328
NA
C
VDIG
FF_IN
EXPOUT C1321
470p
R1302
C1320
0 470p
VDDPA
VSSPA C1300
0.068u
C1343 C1342 C1340
NA NA NA
C1341 L1340
D GSM_TX
1.8nH
33p C1352
DCS_TX
10p L1350 2.2nH
C1351 C1350
NA NA
C1336
C1335 C1113 C1334
NA
22p 22p 22p
R1333
TXON
0 R1113
RXON
E
BSEL0
R1334
PCTL
0
MODA
MODB
R1211
MODC
100
R1210
MODD
100
L1200
VCCA
XOOB
R1272
F
NA
XOOA
R1273
NA
R1250
PULSESKIP
0
C1250
NA
G
VLOOP
H
1 2 3
4 5
L1300
C1315 C1311 C1312 C1313
10u 10u 0.01u 22p
2012 2012
R1327
0
R1326
C1326
NA 0.05
R1325
0
R1320 R1322 C1325
V1330
100p
2SD2216J
0 NA
NA
R1321 C1323
R1323 R1324
1K
1200p NA NA
N1330
LDB21897M15C
4
R1338
B2
1
UB
0 3
C1324 B1
L1330
100p R1339 R1337
33nH
NA NA C1332
33p
R1332
BGND4 BGND2
21 19 0
GND5 GND3
9 5
EGSM_OUT EGSM_IN
N1300
10 4
GND6 CX77304-16 GND2
11 3
DCS_PCS_OUT DCS_PCS_IN
12 2
GND7 GND1
13 1
BGND5 BGND1
22 18
L1332
75
N1331
LDB211G8020C
BLM15BB750SN1J
4
R1341
B2
1
L1333 UB
10 3
B1
L1331
75 R1342 R1340
15nH
560 560
C1327 C1331
C1333
33p 22p 10p
L1230
R1213
C1230 C1231
100
R1212 NA NA
100
K2
NC5
K3
MODA
K4
C1205 C1201 MODB
K5
22p 0.01u MODC
K6
MODD
K7
N1100
C1271 VCCPLL
K8
LZT-108-5325
XOOB
K9
1000p XOOC
K10
NC6
L1201 H3
GNDBUF
5.6nH H4
1608 NC3
H5
C1270 PS
H6
GNDPLL
H7
1000p XOOLA STROBE
L1220 2012
100uH
C1225
R1220
R1224 R1222 R1223
0 560 1800p 120 390
C1221 C1220 C1224 C1222 C1223
0.01u NA 1200p 560p 330p
4 5
6 7 8
VDIG
R1151
0
I2CDAT
I2CCLK
SYSCLK2
RESOUT3n
RXON
R1335
VCCA
0
C1330
22p
C1114
7p
B7714 Z1100
C1102 C1100
O1 IN
DCS_RX
4 2
10p O2 10p
6
G1 G2 G3
L1100 L1101
C1115
3.9nH 3.3nH
NA
C1101
10p
C1112
33p
Z1110
B7705 3 2
C1110
O1 G1
L1110 1
GSM_RX
IN
18nH O2 G2
33p
4 5
C1111
L1111
10nH
33p
R1121
L1120
NA
VCCA
A1
RFHD
A2
RFHC C1104 C1103
A3
GNDRF 0.01u 22p
A4
RFLB
A5
RFLA
A6
VCCRF
A7 R1103
QRB
A8 R1104
0
QRA
R1105
A9 0
IRB
R1106
A10 0
IRA
C4 0
REON
C5
CLK
C6
DATA
C7
R1240
0
C1240
NA
TP1201
TP1202
TP1203
L1202
C1203 C1202
22p 0.01u
6 7 8
- 238 -
9 10 11
C1156 TP1141 TP1142 TP1143
0.01u
F1
AVDD
D3
I2CDAT
D1 D5
QDATA
I2CCLK QDAT
TP1151 G8 A4
MCLK IDAT IDATA
TP1152 D2 C5
RESETB DCLK DCLK
A8
IRA
A7
IRB
A6 H4
QRA AUXO2 VDIG
A5 G5
QRB BEARP
B4 H5
RXSTR BEARN
R1150
G7
PCMUL 0
E4 E6
AUXI1 GPDAT
F2 E5
VDIG_HERTA
CCO GPCLK
F3
MICIP
G1 C3
MICIN DAC01 C1150 C1151 C1153 C1155
B8 B3
GPA0 DAC02 0.01u NA NA NA
B6 A3
GPA1 DAC03
C6
GPA2 N1101
C7
GPA3 LZT-108-5321
C8 C2
GPA4 DACCLK
D6 C1
GPA5 DACDAT
D8 D4
GPA6 DACSTR
D7
GPA7
E2
DEC1
H7 H2
PCMDL DEC2
F6 H3
PCMCLK DEC3 C1144
G6 B2
PCMSYN DEC4 C1142 0.068u
E7 E1
ADSTR DEC5 C1141 0.068u
C1140 0.068u
E3
C1143 0.068u
REXT
0.068u
A1 A2
R1140 VSS1 VDD1
B1 B5
100K
VSS2 VDD2
C4 B7
VSS3 VDD3
E8 F5
VSS4 VDD4
F4 F8
VSS5 VDD5
F7 H6
VDIG_HERTA
VSS6 VDD6
G3
VSS7
G4 G2
VSS8 NC1
H8 H1
VSS9 NC2
GPRFCTRL
RADCLK
RADDAT
RADSTR
VCCA
Engineer:
LG ELECTRONICS INC.
JS Joo
3G HANDSETS LAB.
Drawn by:
DEVELOPMENT GROUP 1
JS Joo
R&D CHK:
TITLE:
GSM/DCS (INGELA)
DOC CTRL CHK:
U8100 PT V1.3 Staggered AMD
MFG ENGR CHK:
Changed by: Date Changed: Time Changed: QA CHK: REV: Drawing Number:
JS Joo Tuesday, September 04, 2003 7:25:06 pm
9 10 11
12
A
B
C
D
E
F
G
H
Size:
A2
12 1 8 A
Page:
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