Service manual

21
TROUBLESHOOTING HINTS
5. No Video
Has display image
only white?
No
Yes
Next page.
No
Yes
Connection trouble.
Check the output of scalier
(pin LAV 0P~3P, 0M~3M)
and soldering of CON3.
No
Yes
Is pin 1
of U2 3.3V?
Check U2, its ambient
circuit and pin 14 of U8.
Check if
the CON3 wafer is
well connected at
the LCD panel.
No Video
Yes