Sony KDL-32W6 E Series Service Manual page 21

3b.1 : 3x Blinking – Audio Error
LK Board
B-board Audio Error pin
short to GND
Change B-board
LK-board Audio Error pin
short to GND
No connectivity of F4001
F4001 broken,
3x blinking
Replace
F4001
No connectivity of F4101
3x blinking
F4101 broken,
Replace
F4101
For model with Assist Speaker only
No 3x blinking
Note : IC4101 and F4101 available to check for model with woofer (Assist Speaker) only.
START
3x blinking
FFC not insert correctly
Check FFC correct insert?
3x blinking
Check correct Option bit is set?
Correct Option bit & 3x blinking
Disconnect B-board to LK-board FFC
and check Audio Error pin
Audio Error pin no short to GND
Remove Speaker Connector
No 3x blinking
at CN4001/CN4002 and
perform AC OFF - ON
3x blinking
Check connectivity
of F4001
3x blinking & F4001 OK
Check connectivity
of F4101
3x blinking & F4101 OK
#Audio IC (IC4001/IC4101) problem
Change LK-board
DONE
Insert FFC correctly
3x blinking
Wrong Option bit
3x blinking
Set correct Option bit and
perform AC OFF - ON
Check Speaker harness and
Speaker impedance
Speaker harness
shorted
3x blinking
Change
Speaker
Harness
Connect back
Speaker Connector
to CN4001/CN4002 and
perform AC OFF - ON
No 3x blinking
Important Note :
TV must be power OFF condition before plug
or unplug any of the FFC/FPC /wire / cable
from the board. -> This is to prevent
possibility circuit damage happen.
No 3x blinking
Main or Assist Speaker
Impedance ≠ 6~8 Ω
Change Main
or Assist
Speaker
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