Sharp LC-22DV200E - Troubleshooting Guide

TROUBLESHOOTING GUIDE
(LCD SECTION)
POWER DOES NOT TURN ON
Is F501 broken?
Is there voltage at pin 1
of IC501 250V?
Is R507 broken?
Change F501.
Check IC501 and peripheral
circuit.
No
Yes
Change R507.
No
Yes
Yes
E-1
Change POWER PCB.
No
E-1