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(LCD SECTION)
POWER DOES NOT TURN ON
Is F401 broken?
No
Is there voltage at pin
1 of IC402 6V?
Yes
Is R412 broken?
No
Is there voltage at
pin 10 of IC401 19V?
Yes
Change DIGITAL PCB.
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TROUBLESHOOTING GUIDE
Yes
No
Yes
No
Check IC401 and peripheral
circuit.
E-1
Change F401.
Check IC402 and peripheral
circuit.
Change R412.
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