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KP110 SVC svc cover(5.5) 2008.2.22 1:48 PM ` 1
Service Manual
Internal Use Only
Service Manual
KP110
Model : KP110
Date: February, 2008 / Issue 1.0
Table Of Contents
1. INTRODUCTION ...............................5 5. DOWNLOAD.......................................74
1.1 Purpose .................................................. 5 5.1 Download ...............................................74
1.2 Regulatory Information............................ 5
1.3 Abbreviations .......................................... 7
6. BLOCK DIAGRAM ..........................80
2. PERFORMANCE...............................9 7. CIRCUIT DIAGRAM ........................81
2.1 H/W Features...........................................9
8. BGA IC Pin Check ..........................87
2.2 Technical Specification ..........................10
3. TECHNICAL BRIEF ........................15 9. PCB LAYOUT ..................................91
3.1 TX module (SKY77518, U502) ..............15 10. ENGINEERING MODE ..................93
3.2 Transceiver (AD6548, U503) .................17
10.1 BB Test [MENU 1]................................94
3.3 26 MHz Clock (Crystal, X501)) ..............19
10.2 RF Test [MENU 2]................................95
3.4 MP3 IC (VC0978BRDA, U305) ..............20
10.3 MF mode [MENU 3] .............................96
3.5 Baseband Processor (AD6724, U104)...21
10.4 Trace option [MENU 4] ........................97
3.6 Keypad Switches and Scanning ............27
10.5 Call timer [MENU 5] .............................97
3.7 Microphone ............................................28
10.6 Fact. Reset [MENU 6] ..........................97
3.8 Headset Interface...................................29
10.7 S/W version..........................................97
3.9 Key Back-light Illumination.....................30
3.10 LCD Back-light Illumination..................31 11. STAND ALONE TEST ...................98
3.11 VIBRATOR...........................................32 11.1 Introduction ..........................................98
3.12 FM RADIO INTERFACE ......................33 11.2 Setting Method.....................................98
3.13 Battery Charging ..................................35 11.3 Means of Test ......................................99
4. TROUBLE SHOOTING ...................36 12. AUTO CALIBRATION .................101
4.1 RF Component.......................................36 12.1 Overview ............................................101
4.2 RX Trouble.............................................37 12.2 Equipment List ...................................101
4.3 TX Trouble .............................................40 12.3 Test Jig Operation..............................102
4.4 Power On Trouble..................................44 12.4 Procedure ..........................................103
4.5 Charging Trouble ...................................46 12.5 AGC ...................................................105
4.6 Vibrator Trouble .....................................48 12.6 APC....................................................105
4.7 LCD Trouble...........................................50 12.7 ADC ...................................................105
4.8 Speaker Trouble ....................................54
4.9 SIM Card Interface Trouble....................56 13. EXPLODED VIEW &
4.10 Earphone Trouble ................................58 REPLACEMENT PART LIST ..... 107
4.11 KEY backlight Trouble .........................60 13.1 Exploded View .................................. 107
4.12 Receiver Trouble..................................62
13.2 Replacement Parts ............................109
4.13 Microphone Trouble .............................64
13.3 Accessory ......................................... 121
4.14 RTC Trouble ........................................66
4.15 FM Radio Trouble ................................68
4.16 MP3 Trouble ........................................71
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