Abnormal Display - Vizio VA320M Service Manual

32"LCD TV

4. Abnormal display

Check the source
OK
Check IO signal filter circuit
Check HDMI U513 and HDMI signal
TV signal
Check panel
5. No sound
Check the source
OK
Check U601 circuit
OK
Check U602 circuit
OK
Check mute circuit R627
OK
Check Speaker
TV sound check TV setup and power
HDMI check U513 and EDID
Check headphone circuit and U601
NG
Reset source
NG
Replace the filter or inductance
NG
Replace around component
NG
Check Tuner power and TV system
setup
NG
Replace panel
NG
Reset source
NG
Replace around component
NG
Replace around component
NG
Replace around component
NG
Replace Speaker
NG
Replace TU101
NG
Update EDID or replace U513
NG
Replace around component
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VA320M