Lcd Trouble Shooting Guide (1/2) - Sony DVP-FX700 Service Manual

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9-2. LCD TROUBLE SHOOTING GUIDE(1/2)
DISPLAY CONDITION?
FUSE(F801)Normal?
Q8F1 Normal operate?
7.5V, 17V, -15V Normal?
+5V, +3.3V Normal?
TE
L 13942296513
Y/C Display signal?
X801 operate?
R.G.B signal output?
VCOM signal?(6.5Vpp)
VCO Normal operate?
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H/V SYNC?
.
http://www.xiaoyu163.com
appear shadow form interference
in black background
There is only bright light.(LCD B/D abnormal)
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
x ao u163
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YES
http://www.xiaoyu163.com
2 9
8
FUSE Replace
IC8F1, IC8F2 Check and Replace
T801, D8F1, D8F2, D8F3 Check
IC8F3, IC8F4 Check and Replace
Q Q
3 6 7 1 3 1 5
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
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.
9-9
9 4 2 8
INVERTOR ABNORMAL
0 5 8 2 9 9 4 2 8
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9 9
9 9