Vizio L37 Service Manual page 122

(COMPONENT1, 2) IS NOT DISPLAY CORRECTLY
Input signal good?
U21 input correct?
U9 input correct?
LVDS output correct ?
1.Is J6 connected good?
2.Is panel working ok?
CONFIDENTIAL – DO NOT COPY
Start
Yes
Yes
Yes
Yes
END
N0
1.Check video
2.Check host's setting
N0
1.Check signal between P8&U21
2.Check U21 power 3.3V
N0
1.Check signal between U21&U9
2.Check U9 Clock (27MHZ)
N0
1.Check U9
2.Check U9 power 3.3V 1.8V
Page 10-3
File No. SG-0176