Service manual

CONFIDENTIAL – DO NOT COPY
Page 10-2
File No. SG-0176
Yes
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Yes
Yes
Yes
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(TV, COMPOSITE VIDEO1, 2, 3, S-VIDEO) IS NOT DISPLAY CORRECTLY
Start
Input signal good?
1.Check video
2.Check DVD player
U20 input correct?
1.Check P2 signal
2.Check signal between P2 and
U20 (IF AV1/AV2 mode)
3.Check Tuner &U20 (IF TV mode)
4.Check J4&J6 (IF AV3&S-Video)
5.Check U20 POWER +9V
6.Check U22 data input/output
LVDS output correct?
1.Check signal between U20 and
U9
1.Chcak J6 Connect is good?
2.Is panel working ok?
END
U20 output correct?
1.Check signal between U20 and
U9
2.Check U9 clock (27MHz)
3.Check U9 power