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Cell phone, GSM, Satellite phone - Nokia, Siemens, Samsung mobiles service manuals and repair information| File information: | |
| File name: | gsm_phone_®_.part1.rar [preview G3100] |
| Size: | 2145 kB |
| Extension: | |
| Mfg: | LG |
| Model: | G3100 🔎 |
| Original: | 031113 🔎 |
| Descr: | Service Manual Phone Gsm - (4.633Kb) Part 1/2 - pag. 148 |
| Group: | Electronics > GSM Mobile Phones |
| Uploaded: | 03-01-2007 |
| User: | salvacolnome |
| Multipart: | 0 1 |
| Information about the files in archive: | ||
| Decompress result: | OK | |
| Extracted files: | 1 | |
File name G3100_English_1[1].0_SM_031113.pdf Table Of Contents 1. INTRODUCTION...5 1.1 Purpose ... 5 1.2 Regulatory Information ... 5 1.3 Abbreviations ... 7 4. TROUBLE SHOOTING ... 56 4.1 RF Components ... 56 4.2 Rx Trouble ... 57 4.3 Tx Trouble ... 65 4.4 Power On Trouble ... 77 4.5 Charging Trouble ... 79 2. PERFORMANCE ...9 2.1 H/W Features ...9 2.2 Technical Specification ... 10 4.6 LCD Trouble ... 81 4.7 Receiver Trouble ... 82 4.8 Speaker Trouble ... 84 4.9 Mic. Trouble ... 87 4.10 Vibrator Trouble ... 90 4.11 Key Backlight LED Trouble ... 92 4.12 SIM Detect Trouble ... 94 4.13 Earphone Trouble ... 96 4.14 HFK Trouble ... 101 3. TECHNICAL BRIEF ...15 3.1 Transceiver ...15 3.2 Power Amplifier Module ...20 3.3 13MHz Clock ...21 3.4 Power Supplies for RF Circuits ... 21 3.5 Testing Set-up and Checking Signals... 22 3.6 Digital Main Processor ... 35 3.7 Analog Main Processor ... 40 3.8 Power Management ... 45 3.9 Memories ...47 3.10 Display and Interface ... 47 . 3.11 Keypad Switches and Scanning ... . 48 3.12 Microphone ... . 49 3.13 Earpiece ... 50 3.14 Hands free / Headset Interface ... 50 3.15 Key Back-light Illumination ... 52 3.16 LCD Back-light Illumination ...53 3.17 Speaker & MIDI IC ... 54 5. DISASSEMBLY INSTRUCTION ... 105 5.1 Disassembly ... 105 6. SOFTWARE DOWNLOAD ... 108 6.1 Download Setup ... 108 6.2 Download Procedure ... 109 7. BLOCK DIAGRAM ... 114 -3- 8. CIRCUIT DIAGRAM ... 115 8.1 Main Chipset and Memory ... 115 8.2 Audio Part ... 116 8.3 PMIC, LCD and I/O Connector ... 117 8.4 RF Part ... 118 13. EXPLODED VIEW & REPLACEMENT PART LIST ... 137 13.1 Exploded View ... 137 13.2 Accessory ... | ||
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