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2019/01/30 02:46:26 (GMT+09:00)
2.0 : 3x Blinking – Audio Error
LKP Board
Change B-board
LKP-board Audio Error pin
short to GND
No connectivity of (F4001 or F4002)
(F4001 or F4002)
broken, Replace
(F4001 or F4002)
3x blinking & (F4001 or F4002) OK
No 3x blinking
START
3x blinking
Check FFC correct insert?
3x blinking
B-board Audio Error pin
short to GND
Disconnect B-board to LKP-board
FFC and check Audio Error pin
Audio Error pin no short to GND
Remove Speaker Connector
at CN4001 and
perform AC OFF - ON
3x blinking
Check connectivity
of (F4001 or F4002)
3x blinking &
(F4001 or F4002) OK
#Audio IC (IC4001) problem
Change LKP-
board
DONE
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.
FFC not insert correctly
Insert FFC correctly
3x blinking
No 3x blinking
Check Speaker harness and
Speaker impedance
Speaker harness
shorted
3x blinking
Change
Speaker
Harness
Connect back
Speaker Connector
to CN4001 and
perform AC OFF - ON
No 3x blinking
Main Speaker
Impedance ≠ 6~8 Ω
Change Main
Speaker
23
SYS SET
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