Troubleshooting Guide; Power Does Not Tuner On - Sharp LC-32AD5E-BK Service Manual

POWER DOES NOT TUNER ON

Is F401 broken?
No
Is there voltage at pin
10 of IC401 at 18.9V?
Yes
Is there voltage at pin
4 of IC402 at 15.1V?
Yes
Change MAIN PCB.

TROUBLESHOOTING GUIDE

Yes
No
No
E-1
Change F401.
Check IC401 and peripheral
circuit.
Check IC402 and peripheral
circuit. Or change IC402.