LG GC260W Service Manual page 18

7. Power Circuit(SMPS)
(2) No 12VA.(Capstan)
No 12VA.
Does 5.3VA work normally?
Is the D109 normal?
Check 12VA Line of the Main PCB short.
(3) No 12V (Hi-Fi, Buffer)
No 12VA.
Is Vcc(about 12V) put into the Q152(E)?
Is Voltage(about 13V) put into the
Q152(B)?
Check or Replace the Q152.
YES
YES
YES
YES
YES
YES
NO
Check whether 5.3VA is out of order.
NO
Replace the D109.
NO
Replace the Peripheral Circuitry of ZD152.
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