Hitachi P42A01 - Page 29

TROUBLESHOOTING GUIDE
POWER DOES NOT TUNER ON
Is F500 broken?
Is there voltage at pin
3 of CP3802 5V?
Is there voltage at pin
3 of IC3800 AT3.3V?
Change F500.
Check CP3802 and
peripheral circuit.
Or change PSU.(Power
Suply Unit)
Change SCALER PCB.
No
Yes
Check IC3800 and peripheral
circuit.
Or change AV PCB.
No
Yes
Yes
No
E-1