Vizio VX37L HDTV10A Service Manual page 26

(TV, COMPOSITE VIDEO1, 2, S-VIDEO) IS NOT DISPLAY CORRECTLY
Start
Input signal
U4 input correct?
LVDS output
1.Chcak J5 Connect is
good?
2.Is panel working ok?
END
CONFIDENTIAL DO NOT COPY
–
N0
Yes
N0
Yes
N0
Yes
Yes
1. Check video
2. Check DVD player
1. Check P11&J4 signal
2. Check signal between P2 and
U4 (IF AV1/AV2 mode)
3. Check Tuner &U4 (IF TV
mode)
4. Check J4 (IF S-Video)
5. Check U4 POWER +3.3V
1.Check LVDS LINE
2.Check U4 clock (27MHz)(X1)
3.Check U4 power
Page 9-1
File No. SG-0209