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LG KG296 Mobile phone
Manufacturer:
Model:
KG296
Date:
2007
Class:
Type:
SubType:
Service Manual
Manual type:
Service Manual
Pages:
145
Size:
4.40 Mbytes (4609021 Bytes)
Language:
english
Revision:
1.0
Manual-ID:
Date:
2007 10 01
Quality:
Electronic document, no scan, very well readable.
Upload date:
2020 01 16
MD5:
e5d01df3813d8262e49b0952ec2ce1c0
Downloads:
712

Information

1. INTRODUCTION ... 5 1.1 Purpose ... 5 1.2 Regulatory Information ... 5 1.3 Abbreviations ... 7 2. PERFORMANCE ... 9 2.1 H/W Features ... 9 2.2 Technical Specification ... 10 3. TECHNICAL BRIEF ... 15 3.1 Power Amplifier (SKY77318, U502) ... 15 3.2 Transceiver (AD6548, U503) ... 17 3.3 FEM for Triband(FL501) ... 19 3.4 26 MHz Clock (Crystal, X501) ... 20 3.5 Baseband Processor (AD6721 , U103)..21 3.6 Display and Interface ... 27 3.7 Camera Interface(AIT813G , U402) ... 29 3.8 Keypad Switches and Scanning ... 31 3.9 Microphone ... 32 3.10 Main Speaker ... 33 3.11 Headset Interface ... 34 3.12 Key Back-light Illumination ... 35 3.13 LCD Back-light Illumination ... 36 3.14 VIBRATOR ... 36 3.15 BLUETOOTH & FM Radio (BCM2048, U600) ... 37 3.16 Battery Charging ... 38 4. TROUBLE SHOOTING ... 39 4.1 RF Component ... 39 4.2 RX Trouble ... 40 4.3 TX Trouble ... 45 4.4 Power On Trouble ... 51 4.5 Charging Trouble ... 53 4.6 Vibrator Trouble ... 55 4.7 LCD Trouble ... 57 4.8 Camera Trouble ... 60 4.9 Speaker Trouble ... 63 4.10 SIM Card Interface Trouble ... 65 4.11 Earphone Trouble ... 67 4.12 KEY backlight Trouble ... 69 4.13 Receiver Trouble ... 71 4.14 Microphone Trouble ... 73 4.15 RTC Trouble ... 75 4.16 Folder on/off Trouble ... 77 4.17 Micro SD Trouble ... 79 4.18 Bluetooth & FM Radio Trouble ... 81 5. DOWNLOAD ... 84 5.1 Download ... 84 6. CIRCUIT DIAGRAM ... 91 7. BGA IC Pin Check ... 101 8. PCB LAYOUT ... 105 9. BLOCK DIAGRAM ... 109 10. ENGINEERING MODE ... 110 10.1 BB Test [MENU 1] ... 111 10.2 RF Test [MENU 2] ... 113 10.3 MF mode [MENU 3] ... 113 10.4 Trace option [MENU 4] ... 114 10.5 Call timer [MENU 5] ... 114 10.6 Fact. Reset [MENU 6] ... 114 10.7 S/W version ... 114 11. STAND ALONE TEST ... 115 11.1 Introduction ... 115 11.2 Setting Method ... 115 11.3 Means of Test ... 116 12. AUTO CALIBRATION ... 118 12.1 Overview ... 118 12.2 Equipment List ... 118 12.3 Test Jig Operation ... 119 12.4 Procedure ... 120 12.5 AGC ... 122 12.6 APC ... 122 12.7 ADC ... 122 13. EXPLODED VIEW & REPLACEMENT PART LIST ... 123 13.1 Exploded View ... 123 13.2 Replacement Parts ... 125 13.3 Accessory ... 144

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