Sony KDL-32R500C Service Manual page 49

3-6-4. Analog Audio Input No Sound (Audio)
Analog Input Source
Sound
Main Speaker No Sound
KDL-32R500C, 505C, 507C, 40/48R510C, 550C, 555C, 557C
Sound
Sound
Sound
RCA cable problem
Sound
problem
Refer
Sound
Audio Problem
& HP No Sound
No Sound
START
No Sound
Do a Factory Setting
No Sound
Check correct
Source mode is selected
No Sound
Use another RCA cable
No Sound & RCA cable OK
Check Analog Input Source
& use another input source
No Sound & Analog Input Source OK
Check Speaker & Headphone
No Sound & Speaker / Headphone OK
Main IC (IC5000) or
Audio IC (IC4001/IC4505) or
HP IC (IC4000) problem
Change B*-board
DONE
TROUBLE SHOOTING
B* Board Type
Size
PAN ASIA,AMERICA EUROPE
32"
BA BE
40"
BA BE
49