XG-PH50X
XG-PH50X-NL
Check Audio signal input of
PC1.
Go to "Checking the Audio
circuit".
Are there signal at C412
output?
Are there signal at C413
output?
Are there signal at pin(7) of
IC402 and IC404?
Are there signal at C445
output?
Are there signal at C447
output?
CN3001 is not stable or
break-down.
NO
YES
NO
YES
NO
YES
46
Check C412, C413 and their
peripheral circuits.
Check IC402, IC404 and their
peripheral circuits.
Check C445, C447 and their
peripheral circuits.