LG CED-8081B Service Manual page 27

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In case of audio play switch
not working.
Is IC301 pin 8 5V before pushing
PLAY KEY (SW801)?
YES
Is IC301 Pin 8 0V pushing the
SW801?
YES
Replace the IC301.
68
NO
Check the connection of IC301 pin8.
Replace the IC301.
NO
Check the connection of SW801.
Replace SW801.

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