Vizio P42HDTV10A Service Manual page 106

(TV, COMPOSITE VIDEO1, 2, 3, S-VIDEO) IS NOT DISPLAY CORRECTLY
Input signal
U20 input
U20 output
LVDS output
1.Chcak J6 Connect is
good?
2.Is panel working ok?
CONFIDENTIAL – DO NOT COPY
Start
Ye
Ye
Ye
Ye
END
N0
1.Check video
2.Check DVD player
N0
1.Check P2 signal
2.Check signal between P2
and U20 (IF AV1/AV2
mode)
3.Check Tuner &U20 (IF TV
mode)
N0
1.Check signal between U20
and U9
N0
1.Check signal between U20
and U9
2.Check U9 clock (27MHz)
3.Check U9 power
Page 10-2
File No. SG-0184