Table Of Contents - LG -D295 Service Manual

1. INTRODUCTION ..................................................................... 3
1.1 Purpose ........................................................................................................3
1.2 Regulatory Information .........................................................................3
1.3 Specification ...............................................................................................5
2. PERFORMANCE ...................................................................... 8
2.1 Product Name ............................................................................................8
2.2 Supporting Standard ..............................................................................8
2.3 Main Parts : GSM Solution .....................................................................8
2.4 HW Features ...............................................................................................9
2.5 HW SPEC ................................................................................................... 11
3. TROUBLE SHOOTING .......................................................... 24
3.1 WCDMA Rx Part ...................................................................................... 24
3.2 WCDMA Tx Part Trouble(B1) .............................................................. 47
3.3 WCDMA Tx Part Trouble(B5) .............................................................. 61
3.4 GSM Rx Part Troubleshooting(850/900 Rx)................................. 75
3.5 GSM Rx Part Troubleshooting(1800/1900 Rx) ........................... 84
3.6GSM Tx Part Troubleshooting(850/900 Tx) ................................... 95
3.7 GSM Tx Part Troubleshooting(1800/1900_Tx) .........................103
3.8 Power TS ..................................................................................................111
3.9 Charging TS ............................................................................................115
3.10 USB TS ....................................................................................................117
3.11 Audio TS ................................................................................................118
3.12 6 AXIS Sensor on/off TS ..................................................................132
3.13 Proximity Sensor on/off TS ............................................................135
3.14 Touch Sensor Trouble Shooting ..................................................137
3.15 Vibrator Trouble Shooting .............................................................139
3.16 Camera TS ............................................................................................141
3.17 Main LCD TS ........................................................................................145
3.18 BT/Wifi TS .............................................................................................147
3.19 GPS TS ....................................................................................................150
3.20 FM TS ......................................................................................................153
LGE Internal Use Only

Table Of Contents

4. DOWNLOAD .......................................................................155
5. BLOCK DIAGRAM ..............................................................172
6. CIRCUIT DIAGRAM ............................................................181
7. BGA PIN MAP .....................................................................198
8. PCB LAYOUT .......................................................................204
9. CALIBRATION .....................................................................207
10. HIDDEN MENU .................................................................226
11. DISASSEMBLE GUIDE ......................................................259
11.1 DISASSEMBLE GUIDE ................................................................259
11.2 Shield Can Rework Guide ..............................................................264
11.3 Rework Caution Points ...................................................................269
12. EXPLODED VIEW & REPLACEMENT PART LIST .............270
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Only for training and service purposes