Sony KD-43X7 F Series User Manual

(Supplementary
information)
22
3.3 : 3x Blinking – Audio Error
B Board
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.
F3101 broken,
Replace F3101
Remove Speaker Connector
at CN3109 and
perform AC OFF - ON
Check connectivity
of F3101
3x blinking
Check Speaker harness and
Speaker impedance
Main Speaker
Impedance ≠ 6~8 Ω
#Audio IC (IC3101) problem
Change Speaker
Harness
Change Main
Speaker
START
Connect back
Speaker Connector
to CN3109 and
perform AC OFF - ON
DONE
3x blinking
No 3x blinking
Change B-board
No connectivity of F3101
Speaker harness
shorted
3x blinking & F3101 OK
Correct Option bit & 3x blinking
No 3x blinking
3x blinking & F3101 OK
Check correct Option bit is set?
Set correct Option bit and
perform AC OFF - ON
Wrong Option bit
No 3x blinking
3x blinking
No 3x blinking
Disconnect power supply
and check Audio Error pin
Audio Error pin no short to GND
B-board Audio Error pin
short to GND
3x blinking
SYSSET
2018/05/0404:12:02(GMT+09:00)

Sony KD-43X7 F Series Specifications

General

Brand	Sony
Model	KD-43X7 F Series
Category	LCD TV
Language	English