Vizio VW42L - Page 22

CONFIDENTIAL – DO NOT COPY Page 9-7
File No. SG-0264
Yes
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N0
Yes
Yes
N0
Yes
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N0
Yes
Yes
(TV_SIDE,
AUDIO) IS NOT DISPLAY CORRECTLY
Start
Input signal good?
1. Check Audio source
2. Check the player of source
U37 input correct?
1. Check Power of U37 (L54)
2. Check signal for MT8292
(C178_R,C183_L)
Check signal correct?
END
1. Check MT8292
CE94(ChL)and C95(ChR) AV in
CE96(ChL) and CE97(ChR)Lineout
U45(MT8292) Volt
1. Check 12V&8292_9V of U45
2. Check DV33 of U45
U45 output correct?
1. Check feedback resistor and
capacitor.