In case of audio play switch
not working.
Is IC301 pin 51 5V before pushing
PLAY KEY (SW801)?
YES
Is IC301 Pin 51 0V pushing
the SW801?
YES
Replace the IC301.
68
NO
•
Check the connection of IC301 pin51.
•
Replace the IC301.
NO
•
Check the connection of SW801.
•
Replace SW801.