Main Speaker No Sound - Sony KDL-32W6 E Series Service Manual

3h.2 Troubleshooting Detail Audio Problem
3h.2.1 Main Speaker No Sound
No Sound & I2S lines no short to GND
START
No Sound
Do a Factory Setting &
set to desire channel with sound
No Sound
Check Speaker Harness
Connectivity
No Sound
Check Main Speaker Impedance
No Sound
Check fuse connectivity
at F4001
No Sound & F4001 OK
Check I2S lines short to GND?
(BCLK, LRCLK, SDATA0)
No connectivity
for
Change Speaker
speaker harness Harness
No Sound
Speaker
Impedance
Change Main
≠ 6~8 Ω
Speaker
No Sound
No
connectivity of
F4001 broken,
F4001
Replace F4001
No Sound & F4001 OK
Any I2S line
Main IC (IC5000) or
short to GND
Audio IC (IC4001)
problem
Change B-board /
LK-board
DONE
Sound
Sound
Sound
Sound
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