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Service Manual
Internal Use Only
Service Manual
KP260/265
Model : KP260/265
Date: August, 2008 / Issue 1.0
Table Of Contents
1. INTRODUCTION ...............................5 4.15 Microphone Trouble .............................78
1.1 Purpose .................................................. 5 4.16 RTC Trouble ........................................80
1.2 Regulatory Information............................ 5 4.17 Slide open/close Trouble .....................82
1.3 Abbreviations .......................................... 7 4.18 Micro SD Trouble .................................84
2. PERFORMANCE...............................9 5. DOWNLOAD.......................................86
2.1 H/W Features...........................................9 5.1 Download ...............................................86
2.2 Technical Specification (KP265c,d) .......10 6. BLOCK DIAGRAM ..........................92
3. TECHNICAL BRIEF ........................15
7. CIRCUIT DIAGRAM ........................93
3.1 Power Amplifier module
(SKY77318, U501).................................15 8. BGA IC Pin Check ........................101
3.2 FEM(LMSP43QA-538, FL500)...............17
3.3 Transceiver (AD6548, U502) .................18 9. PCB LAYOUT ................................105
3.4 26 MHz Clock (Crystal, X500)................20
3.5 BT Module with integrated FM tuner 10. ENGINEERING MODE ................111
(BC5-FM, U500).....................................21
10.1 MF Mode [MENU 1] ...........................112
3.6 Baseband Processor (AD6726, U103)...22
10.2 ELT Mode [MENU 2]..........................113
3.7 Display and Interface .............................28
10.3 Version [MENU 3] ..............................113
3.8 Camera Interface(AIT716 , U400)..........30
10.4 Factory Reset [MENU 4] ....................113
3.9 Keypad Switches and Scanning ............33
10.5 Eng Mode [MENU 5] ..........................113
3.10 Microphone ..........................................34
10.6 Network Info [MENU 6] ......................115
3.11 Main Speaker.......................................35
3.12 Headset Interface.................................36 11. STAND ALONE TEST .................116
3.13 Key Back-light Illumination...................37 11.1 Introduction ........................................116
3.14 LCD Back-light Illumination..................38 11.2 Setting Method...................................116
3.15 VIBRATOR...........................................38 11.3 Means of Test ....................................117
3.16 Battery Charging ..................................39
12. AUTO CALIBRATION..................119
12.1 Overview ............................................119
4. TROUBLE SHOOTING ...................40
12.2 Equipment List ...................................119
4.1 RF Component.......................................40 12.3 Test Jig Operation..............................120
4.2 RX Trouble.............................................41 12.4 Procedure ..........................................121
4.3 TX Trouble .............................................46 12.5 AGC ...................................................123
4.4 Bluetooth + FM Radio ............................52 12.6 APC....................................................123
4.5 Power On Trouble..................................55 12.7 ADC ...................................................123
4.6 Charging Trouble ...................................57
4.7 Vibrator Trouble .....................................60 13. EXPLODED VIEW &
4.8 LCD Trouble...........................................62 REPLACEMENT PART LIST ......125
4.9 Camera Trouble .....................................65 13.1 Exploded View ...................................125
4.10 Speaker Trouble ..................................68 13.2 Replacement Parts ............................127
4.11 SIM Card Interface Trouble..................70 13.3 Accessory ..........................................148
4.12 Earphone Trouble ................................72
4.13 KEY backlight Trouble .........................74
4.14 Receiver Trouble..................................76
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