Pcb Layout - LG -S310 Service Manual

9. PCB LAYOUT

U600 LCD Backlight Charge Pump
- No LCD Backlight
FL700 BT FILTER
- No BT
U400 MUIC
- Cannot connect USB
- Cannot boot from USB or PIF PWR
- Cannot detect headset
U402 Single Charger IC
- Cannot charge the BAT
- Cannot boot from USB or PIF PWR
U300 (K511H12ACM-B075)
1Gb NAND + 512Mb SDR MCP
- Cannot boot
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
C417 C600
R406 C401
R605
R407
R210
C408
U400 R211
C407
C406
C409
C605
C606
C411
C415
C410
C519 C518 C254
C521 C255
C517
C523 C524
C312 C305 C313 C314
C257 C226
C201 C216
C200
R213
C203
R212
C202
R214
C256
C210
C224
TP309
U300
C222
TP303
TP308
TP304
R207
TP301
TP307
TP305
TP306
FB200 FB201
TP315 TP311 TP312 TP300
VA400 R401 C400
D801 D800
LG-S310_MAIN_SPFY0234701-1.0-TOP
- 177 -
VA504
VA505
TP702
C710 C713
R505
R704
X700
D500
R707
C527
C723
C719
C720 C726
R705 L704 C716 L705
C721
C703 C701
R700
R702
R703 R701
VA502
C725 ZD700
C504
L701
FB502
FB503
C505
VA503
C522 C244 C515 FB505
C509 FB504
C508 C510
C507 R501
C246
C506 C512
C500
C247
C204 C514
C501
C516
C205
C513
TP203
C228 C229
TP202 C240
C237
TP201 C230
C234 C231
TP200
C233
TP206
C236
C232
C208
C207
TP205
L200
TP302
C223 VA803 R205
C252
C253
12
R206
R800
CN800
C802
13 24
X700 BT CHIP XO
- No BT & FM RADIO
U700 BT MAIN CHIP
- No BT & FM RADIO
Q700 FM LNA
- No FM RADIO
SPK500, 501 Speaker Pad
- No speaker Sound
U500 Audio Analog SW
- Cannot hear receiving voice
- No speaker sound
- No headset sound
IC500 Audio Subsystem
- No speaker sound
- No Headset sound
- No FM Radio Sound
U200 (MT6235) CPU
- Cannot boot
- No service
X200 32.768KHz XTAL
- Cannot boot
CN800 BtB Connector
- No key input
- No MIC input
LGE Internal Use Only