Read LG 42PW350R-MA (CHASSIS:PU11A) Service Manual online
Customer Oriented R&D
Breakthrough
10. Digital TV Audio Trouble Shooting
Check video output
Y
Follow procedure All source audio
trouble shooting
Maybe Mster S7R internal audio
DSP has problems.
Replace It
N
Follow procedure digital TV video
trouble shooting
N
Click on the first or last page to see other 42PW350R-MA (CHASSIS:PU11A) service manuals if exist.