Sharp LC-60LE452U

Sharp LC-60LE450U/LC-60LE452U Service manual
26
5.4.4 Function Troubleshooting（HDMI、AV）
OK
NG
OK
NG
Check HDMI
connector
Change HDMI
connector
OK
Check the input
cables
Change the cable
NG
OK
OK
Repair HDMI
circuit
NG
Change U3
AV No signal
Change U3
Change the cable
NG
NG
NG
Check AV
circuit
Debug the signal
OK
Check the input
signal
Repair AV circuit
OK
Check the input
cable
OK
OK
Check the input
signal
HDMI No signal
Check HDMI
circuit
Debug the signal
input