4. TROUBLE SHOOTING
- 58 -
Checking Flow
START
Is the connection of
FPCB with connector on
PCB(CN600) ok ?
YES
NO
Reassemble FPCB with CN600 connector
Check the connection LCD
module with connector
On FPCB ?
NO
Reassemble LCD module with connector on FPCB
Check the soldering of
CN600 ?
NO
Change the FPCB and try again
YES
YES
YES
Check the soldering of
EMI filter ?
Resoldering CN600
NO
Resoldering EMI filter(FL600~FL604)
Does LCD work
properly ?
NO
Replace LCD module
YES
LCD working well !
YES
Summary of Contents for KG225
Page 1: ...Date April 2006 Issue 1 0 Service Manual Model KG225 Service Manual KG225 M O B ILE CAM E R A ...
Page 3: ... 4 ...
Page 19: ...3 TECHNICAL BRIEF 20 Figure 3 4 SYSTEM INTERCONECTION OF AD6720 EXTERNAL INTERFACE ...
Page 66: ...4 TROUBLE SHOOTING 67 4 12 KEY backlight Trouble Q300 R359 TEST POINT Figure 21 ...
Page 79: ... 80 5 DOWNLOAD B Multi Download Procedure 1 Run GSM Multi Download program and select Setting ...
Page 84: ... 85 6 BLOCK DIAGRAM 6 BLOCK DIAGRAM ...
Page 85: ... 86 ...
Page 92: ... 93 KG225 8 PCB LAYOUT ...
Page 93: ... 94 KG225 8 PCB LAYOUT ...
Page 101: ... 102 10 STAND ALONE TEST Figure 10 2 HW test setting Figure 10 3 Ramping profile ...
Page 109: ... 110 ...
Page 125: ...Note ...
Page 126: ...Note ...