LG GCE-8240B Service Manual page 65

No audio output
Insert the audio Disc.
AUD_MUTE : 'L'?
(IC301 Pin 73)
YES
Do LOUT, ROUT signals output?
(IC201 Pin 151, 154)
YES
Do audio Line signals output?
(PN201 Pin 51, 54)
YES
Adjust H/P volume max. (VR801)
YES
Do audio signals output?
(IC801 Pin1,7)
YES
Does the audio
signal output at the headphone
jack(JK801)?
Normal
NO
NO
•
Check and replace the IC201.
NO
•
Check the connection of L/R OUT.
•
Check the connection of PN801
NO
and PN802.
•
Check and replace the IC801.
NO
•
Check and replace the JK801.
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