Table Of Contents - LG -D175F 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 SW Features ............................................................................................. 14
2.6 HW SPEC. ................................................................................................. 18
3. TROUBLE SHOOTING .......................................................... 29
3.1 WCDMA Rx Part Troubleshooting ................................................... 29
3.2 WCDMA Tx Part Trouble ...................................................................... 52
3.3 GSM Rx Part Troubleshooting .......................................................... 81
3.4 GSM Tx Part Troubleshooting .........................................................100
3.5 Power TS ..................................................................................................114
3.6 Charging .................................................................................................118
3.7 USB TS ......................................................................................................120
3.8 Audio TS ..................................................................................................121
3.9 3 AXIS Sensor on/off TS .....................................................................132
3.10 Proximity Sensor ...............................................................................135
3.11 Touch Sensor Trouble Shooting ..................................................137
3.12 Vibrator Trouble Shooting .............................................................139
3.13 3M Main Camera TS .........................................................................141
3.14 Main LCD TS ........................................................................................144
3.15 BT/Wifi ...................................................................................................147
3.16 GPS Part ................................................................................................150
3.17 FM TS ......................................................................................................153
3.18 D-TV ........................................................................................................155
LGE Internal Use Only

Table Of Contents

4. DOWNLOAD .......................................................................157
5. BLOCK DIAGRAM ..............................................................174
6. CIRCUIT DIAGRAM ............................................................183
7. BGA PIN MAP .....................................................................198
8. PCB LAYOUT .......................................................................206
9. CALIBRATION .....................................................................208
10. HIDDEN MENU .................................................................227
11. DISASSEMBLE GUIDE .................................................233
12. EXPLODED VIEW & REPLACEMENT PART LIST .............240
12.1 EXPLODED VIEW ................................................................................240
12.2 Replacement Parts ...........................................................................241
12.3 Accessory .............................................................................................268
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