
TROUBLESHOOTING GUIDE
POWER DOES NOT TUNER ON
Is F401 broken?
Is there voltage at pin
10 of IC401 19V?
Is there voltage at
pin 8 of T402
Change F401.
Check IC401 and peripheral
circuit.
Change DIGITAL PCB.
No
Yes
Check T402 and
peripheral circuit.
r
h
n
P
WER P
B
No
No
Yes
Yes
E-1
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