9-9
D
I
SPLAY CONDITION?
INVERTOR ABNORMAL
appear shadow form interference
in black background
There is only bright light.(LCD B/D abnormal)
FUSE Replace
IC8F1, IC8F2 Check and Replace
T801, D8F1, D8F2, D8F3 Check
IC8F3, IC8F4 Check and Replace
A/V IN S/W Check
X801, C832 Replace
IC801, IC803, Q806 Check and Replace
IC808, Q811, Q812, QQ813 Check and Replace
D801, L809, IC806 VCO Check and Replace
Q810, IC807 Check and Replace
FUSE(F801)Normal?
Q8F1 Normal operate?
7.5V, 17V, -15V Normal?
+5V, +3.3V Normal?
Y/C Display signal?
X801 operate?
H/V SYNC?
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
9-2. LCD TROUBLE SHOOTING GUIDE(1/2)
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299