4. TROUBLE SHOOTING
- 75 -
START
No
Power is supplied to
the board?
Yes
Refer to
Power On Trouble
Connection between
FPCB and boards is OK?
No
Reconnect
FPCB
Yes
CN102
is soldered well?
No
Re-solder the CN102
Yes
Paths of LCD control
signals are OK?(AIT811T)
No
Change the AIT811T
Yes
Paths of LCD control
signals are OK?(EMI FILTER)
No
Re-solder the EMI FILTER
Yes
After changing the board,
LCD Display is OK?
No
The board is broken.
Change the board.
Yes
LCD Module is out of order.
Change the LCD Module.
Checking Flow
Содержание KG320
Страница 1: ...Date May 2006 Issue 1 0 Service Manual Model KG320 Service Manual KG320 ...
Страница 3: ... 4 ...
Страница 20: ...3 TECHNICAL BRIEF 21 Figure 3 5 SKY77328 FUNCTIONAL BLOCK DIAGRAM ...
Страница 39: ...3 TECHNICAL BRIEF 40 3 7 CAMERA IC AIT811T U103 Figure 3 18 AIT811T APPLICATION BLOCKDIAGRAM ...
Страница 41: ...3 TECHNICAL BRIEF 42 3 8 MIDI IC YMU787 U202 Figure 3 20 YMU787 BLOCKDIAGRAM ...
Страница 59: ...4 2 TX Trouble 4 TROUBLE SHOOTING 60 SKY7477328 FEM 26Mhz OSCILLATOR SI4210 TEST POINT Figure 4 2 ...
Страница 72: ...4 TROUBLE SHOOTING 73 4 6 LCD Trouble AIT811T EMI FILTER CN102 TEST POINT Figure 4 6 ...
Страница 77: ...4 TROUBLE SHOOTING 78 Graph 4 10 a BLUE RST Graph 4 10 b DEBUG_TX RX Graph 4 10 c PCM_SYNCS TX RX USC0 ...
Страница 90: ...4 TROUBLE SHOOTING 91 4 14 Camera and Flash Trouble Camera Module U201 CN202 Figure 4 17 ...
Страница 99: ... 100 ...
Страница 107: ... 108 8 PCB LAYOUT ...
Страница 108: ... 109 8 PCB LAYOUT ...
Страница 109: ... 110 8 PCB LAYOUT ...
Страница 110: ... 111 8 PCB LAYOUT ...
Страница 111: ... 112 8 PCB LAYOUT ...
Страница 112: ... 113 8 PCB LAYOUT ...
Страница 113: ... 114 ...
Страница 121: ...10 STAND ALONE TEST 122 Figure 10 2 HW test setting Figure 10 3 Ramping profile ...
Страница 127: ... 128 ...
Страница 129: ... 130 ...
Страница 147: ...Note ...
Страница 148: ...Note ...