Service manual

Acer Acer –LCD-X193HQ
49
4.2 Unstable Power
Check sampling
Circuit
Check R811,
R818, R810,
R811, R818,
R810,
R8
25
,
Check the R
pin voltage of
IC80
3
about
Check
Check D806 , C815 is hort
Check pin2
of IC802
voltage is
16
V
Change IC803
Unstable power
Change
D80
3
Change R803, R 807
R824, R825, R812
HRN LVDS FFC
*1
END
Check the C
pin voltage of
IC803 if 3V
Check pin1
of
IC802 voltage below
1
.4
V