4. TROUBLE SHOOTING
- 60 -
START
Does the LCD itself
Has no trouble ?
YES
NO
Replace the Q401
Change the camera
module, Does it work
properly ?
YES
Itís camera moduleís problem
Replace the camera module
Check the voltage
of pin 3 of
Q401 is 3V ?
Check the voltage of pin 12 of
CN600 if 3V ?
YES
Check the signals of the
FL605~FL608
YES
YES
Camera will work properly
NO
Check the voltage
of pin 1 of
Q401 LOW ?
NO
YES
Go to the LCD trouble
Replace the U403
NO
Check the soldering
of CN600 ?
NO
Replace the Q401
NO
Does the image
appears on LCD ?
YES
YES
Camera will work properly
Replace
FL605~FL608
NO
Checking Flow
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 ...