Table Of Contents - LG G1610 Service Manual

1.INTRODUCTION ...................................2
1.1 Purpose ........................................................2
1.2 Regulatory Information ................................2
1.3 Abbreviations ...............................................4
2. PERFORMANCE ................................ 6
2.1 H/W Feature ...............................................6
2.2 Technical Specification ...............................7
3. TECHNICAL BRIEF ..........................11
3.1 Transceiver (SI4205, U401) ......................11
3.2 Power Amplifier Module (RF3133, U400) .16
3.3 13 MHz Clock ......................................... 17
3.4 Power Supplies for RF Circuits ................17
3.5 Digital Main Processor (AD6525, U100)...18
3.6 Analog Main Processor (AD6521, U101)..22
3.7 Power Management IC (ADP3522, U301) . 25
3.8 Memory (U300) ........................................27
3.9 LCD and LCD Backlight .......................... 28
3.10 Keypad Switches and Key Backlight
Illumination .............................................29
3.11 Microphone ........................................... 30
3.12 Dual Mode Speaker and MIDI IC ......... 31
3.13 Headset Jack Interface ......................... 33
3.14 Bluetooth section Description .................34
4. TROUBLE SHOOTING .................... 36
4.1 RF Components....................................... 36
4.2 RX Trouble .............................................. 37
4.3 TX Trouble .............................................. 44
4.4 Power On Trouble ....................................52
4.5 Charging Trouble ..................................... 54
4.6 LCD Trouble .............................................56
4.7 Receiver Trouble ..................................... 57
4.8 Speaker Trouble .......................................58
4.9 MIC Trouble .............................................60
4.10 Vibrator Trouble .................................... 61
4.11 Key Backlight LED Trouble .....................63
4.12 SIM Detect Trouble ............................... 64
4.13 Ear Jack Trouble ....................................65
4.14 Bluetooth Trouble....................................67

Table Of Contents

5. DISASSEMBLY INSTRUCTION ........69
6. DOWNLOAD AND CALIBRATION .. 75
6.1 Download .................................................75
6.2 Calibration ................................................82
7. BLOCK DIAGRAM ...........................85
8. CIRCUIT DIAGRAM...........................87
9. PCB LAYOUT ....................................93
10. ENGINEERING MODE ...................95
10.1 BB Test [MENU 1] ................................95
10.2 RF Test [MENU 2] ................................97
10.3 MF Mode [MENU 3]..............................97
10.4 Trace option [MENU 4] .........................98
10.5 Call Timer [MENU 5].............................98
10.6 Fact. Reset [MENU 6] ..........................98
10.7 S/W version [MENU 7] .........................98
11. STAND ALONE TEST......................99
11.1 What's the Standalone Test? ................99
11.2 Standalone Test Equipment Setup......100
11.3 HW Test : Software for Standalone
Test Setup ...........................................101
11.4 Tx Stand alone Test Setting ................102
11.5 Rx Stand alone Test Setting................104
12. AUTO CALIBRATION ....................106
12.1 Overview .............................................106
12.2 Equipment List ....................................106
12.3 Equipment Setup ................................107
12.4 AGC for RX .........................................108
12.5 APC for TX..........................................108
12.6 ADC.....................................................109
12.7 How to do calibration ..........................109
13. EXPLODED VIEW &
REPLACEMENT PART LIST.........111
13.1 Exploded View ....................................111
13.2 REPLACEMENT PARTS ....................113
13.3 ACCESSORY .....................................125
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