Acer X193HQ Service Manual page 35
Auo panel
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Also See for X193HQ:
- Manual (68 pages) ,
- Service manual (58 pages) ,
- Quick start manual (24 pages)
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2.) No Backlight
Check CN902 pin4, 5 = 12V
NG
OK
Check the adapter and F801
Check ON/OFF signal and the pin 12 of IC801 is 12V
NG
Check main board or change ON/OFF signal
OK
Check the pin5 of IC801 have saw tooth wave
NG
OK
Change IC801
Check the PWM wave from the pin9,10 of IC801
NG
OK
Check IC801
Check Q802 PIN5, 6, 7, 8 have the output
NG
Check Q801, Q804, Q811, Q812,
of square wave at short time.
Q802
OK
NG
Change T801
Check the output of T801
OK
Check connecter & lamp
35
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