4. TROUBLE SHOOTING
- 56 -
SETTING : Enter the engineering mode, and set vibrator on at vibration of BB test menu
START
Is the voltage at pin 3
of Q100 high ?
YES
NO
Resolder R105, R106
Is the voltage at pin 2
of Q100 low ?
YES
Is the voltage at pin 1
of Q100 high ?
YES
Check the soldering
of CN600 ?
YES
Check the soldering
of vibrator ?
YES
Replace vrbrator
YES
Vibrator
Working well !
Check the soldering
of R105, R106
YES
NO
Resolder R101
Check the soldering
of R101
YES
NO
NO
NO
Resolder CN600
Check the soldering
of R103
YES
NO
Resolder R103
Replace Q100
NO
Resolder vibrator
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 ...