LG C3380 1 free download

File name LG C3380 1.pdf

Service Manual Service Manual C3380 Model : C3380 Date: November, 2005 / Issue 1.0 Table Of Contents 1. INTRODUCTION ... 5 4.15 Indication LED Trouble ...92 1.1 Purpose ... 5 4.16 Folder on/off Trouble...94 1.2 Regulatory Information... 5 4.17 Bluetooth Trouble...96 1.3 Abbreviations ... 7 5. DOWNLOAD AND CALIBRATION.. 100 2. PERFORMANCE... 9 5.1 Download ... 100 2.1 H/W Features... 9 5.2 Calibration...106 2.2 Technical Specification ... 10 6. BLOCK DIAGRAM ... 109 3. TECHNICAL BRIEF ... 16 7. CIRCUIT DIAGRAM ... 111 3.1 Transceiver ... 16 3.2 Power Amplifier Module ... 21 8. PCB LAYOUT ... 117 3.3 26 MHz Clock... 22 3.4 Power Supplies for RF Circuits ... 23 9. ENGINEERING MODE ...119 3.5 Digital Main Processor ... 24 9.1 BB Test [MENU 1]...120 3.6 Analog Main & Power Management 9.2 RF Test [MENU 2]...122 Processor... 30 9.3 MF mode [MENU 3] ...122 3.7 Display and Interface ... 40 9.4 Trace option [MENU 4] ...123 3.8 Camera Interface ... 42 9.5 Call timer [MENU 5] ...123 3.9 Keypad Switches and Scanning ... 44 9.6 Fact. Reset [MENU 6] ...123 3.10 Microphone ... 45 9.7 S/W version...123 3.11 Main Speaker... 45 3.12 Headset Interface... 46 10. STAND ALONE TEST ...124 3.13 Key Back-light Illumination... 47 10.1 Introduction ...124 3.14 LCD Back-light