LG EC970W - No sound (Mono Model)

3-18
(2) No sound (Mono Model)
No sound
Check the Vcc of IC301 Pin 18.
Check the Tuner Audio signal
at IC301 Pin 13.
Check the Audio signal at IC301 Pin 11.
Check 5.2V power.
Chekc the signal flow from TU701
Pin21 to IC301 Pin 13.
Replace IC301.
NO
NO
NO
YES
YES
YES
Check the signal flow from IC301
pin 11 to JK301.
YES