4. TROUBLE SHOOTING
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START
Does the LCD itself
Has no trouble ?
YES
NO
Replace the Q400
Change the camera
module, Does it work
properly ?
YES
Itís camera moduleís problem
Replace the camera module
Check the voltage
of pin 3 of
Q400 is 3V ?
Check the voltage of pin 12 of
CN601 if 3V ?
YES
Check the signals of the
FL605~FL608
YES
YES
Camera will work properly
NO
Check the voltage
of pin 1 of Q400 (C_PWDN)
LOW ?
NO
YES
Go to the LCD trouble
Replace the U401
NO
Check the soldering
of CN601 ?
NO
Replace the Q400
NO
Does the image
appears on LCD ?
YES
YES
Camera will work properly
Replace
FL605~FL608
NO
Checking Flow
Содержание C3380
Страница 1: ...Service Manual Model C3380 Date November 2005 Issue 1 0 Service Manual C3380 ...
Страница 3: ... 4 ...
Страница 83: ...4 TROUBLE SHOOTING 84 4 11 KEY backlight Trouble Test Points Figure 4 22 ...
Страница 98: ...4 TROUBLE SHOOTING 99 Yes No Yes No Replace M201 Establish a call Replace U101 Software Re_download ...
Страница 109: ...Note 110 ...
Страница 116: ... 117 8 PCB LAYOUT ...
Страница 117: ... 118 8 PCB LAYOUT ...
Страница 125: ...10 STAND ALONE TEST 126 Figure 10 2 HW test setting Figure 10 3 Ramping profile ...
Страница 129: ... 130 ...
Страница 131: ... 132 ...