Vizio L42HDTV10A Service Manual page 91

(TV, COMPOSITE VIDEO1, 2, S-VIDEO) IS NOT DISPLAY CORRECTLY
CONFIDENTIAL – DO NOT COPY
Start
Input signal good?
Yes
U11 input correct?
Yes
U11 output correct?
Yes
LVDS output correct?
Yes
1.Chcak J5 Connect is good?
2.Is panel working ok?
END
N0
1.Check video
2.Check DVD player
1.Check P2&P12 signal
N0
2.Check signal between P2 and
U11 (IF AV1/AV2 mode)
3.Check Tuner &U11 (IF TV mode)
4.Check P12 (IF S-Video)
5.Check U11 POWER +3.3V
6.Check Y1 is OK?
N0
1.Check signal between U20 and
U9
N0
1.Check LVDS LINE
2.Check U11 clock (27MHz)
3.Check U11 power
Page 9-2
File No. SG-0198