TROUBLESHOOTING GUIDE
(LCD SECTION)
POWER DOES NOT TURN ON
Is F3801 and F3802
broken?
Is there voltage at
pin 2 of IC3803 16V?
Is R3860 broken?
Change F3801 or F3802.
Check IC3803 and peripheral
circuit.
No
Yes
Change R3860.
No
Yes
Yes
E-1
Is there voltage at pin
8 of IC3802 19V?
Change POWER PCB.
Check IC3802 and peripheral
circuit.
No
No
Yes
E-1