XOCECO LC32U5D, Service Manual

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27
3.no sound
Check if PIN15, PIN30
and PIN38 voltage of
N401 is normal?
Check power supply
Check PIN11 and
PIN19 output wave of
N301
Check PIN25 and
PIN26 output wave of
N201
Check PIN5 wave of
N201
Check PIN11 wave of
TUNER1
Replacing N401
Replacing N301
Replacing N201
no
yes
no
yes
yes
yes
no
no
Replacing TUNER1
no