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Service Manual
Service Manual
KS10




Model : KS10




Date: July, 2007 / Issue 1.0
Table Of Contents
1. INTRODUCTION.................................. 5 4. TROUBLE SHOOTING.......................83
1.1 Purpose ...................................................... 5 4.1 RF Component ..........................................83
1.2 Regulatory Information ............................... 5 4.2 SIGNAL PATH ...........................................85
4.3 Checking VCXO Block...............................87
2. PERFORMANCE ..................................7 4.4 Checking Ant. Switch Module Block ..........91
2.1 System Overview.........................................7 4.5 Checking WCDMA Block ...........................93
2.2 Usable environment.....................................8 4.6 Checking GSM Block...............................103
2.3 Radio Performance......................................8 4.7 Power on trouble......................................111
2.4 Current Consumption.................................14 4.8 USB trouble .............................................114
2.5 RSSI BAR ..................................................14 4.9 SIM detect trouble....................................115
2.6 Battery BAR ...............................................15 4.10 Key sense trouble ..................................116
2.7 Sound Pressure Level ...............................16 4.11 Keypad backlight trouble .......................118
2.8 Charging ....................................................16 4.12 Folder on/off trouble...............................120
4.13 Micro SD trouble ....................................122
3. TECHNICAL BRIEF............................17
4.14 Charging trouble ....................................124
3.1 General Description ...................................17 4.15 Audio trouble..........................................127
3.2 GSM Mode.................................................19 4.16 Camera trouble ......................................143
3.3 UMTS Mode...............................................23 4.17 Main LCD trouble...................................149
3.4 LO Phase-locked Loop ..............................26 4.18 Bluetooth trouble....................................152
3.5 Off-chip RF Components ...........................29
3.6 Digital Baseband 5. DOWNLOAD.....................................155
(Stn8810 / MSM6275)................................34 5.1 Composition omposition ..........................155
3.7. Hardware Architecture ..............................36 5.2 LGDP2 Program install LGDP2 Program
3.8. Subsystem of STn8810 ............................39 install........................................................156
3.9. Hardware Peripheral system of 5.3 USB Driver setup USB Driver setup ........159
Stn8810 ....................................................42 5.4 KS10 LGDP2 run file & DLL file setup .....162
3.10. Subsystem of MSM6275.........................47 5.5 Execute LGDP2 program.........................163
3.11. External memory interface......................50
3.12. Hardware sub system of MSM6275........51 6. BLOCK DIAGRAM ...........................178
3.13. Audio and sound.....................................61 6.1 GSM & WCDMA RF Block.......................178
3.14. Camera interface ....................................67 6.2 Interface Diagram ....................................180
3.15 Bluetooth..................................................76 6.3 KS10 Modem & Baseband
3.16 Main Features..........................................77 Block Diagram .........................................184
6.4 KS10 Application Processor Block
Diagram ...................................................185
6.5 KS10 Audio & BT Block Diagram ............186

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