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3b.1 : 3x Blinking – Audio Error
LK Board
(#Audio IC (IC4001/IC4101) problem)
IC4001 problem, Change IC4001,
Mount back F4101 if have removed,
Enable back Error Detection
START
#Audio IC (IC4001/IC4101) problem
DONE
Assist Speaker No Sound
(Ignore Main Speaker)
3x blinking
No 3x blinking
3x blinking and F4001 & F4101 OK
IC4101 problem, Change IC4101,
Mount back F4001 & F4101 if have removed,
Enable back Error Detection
Disable Error Detection,
Remove F4001
Disable Error Detection,
Remove F4101 if have
Check have any burn mark on Audio IC,
If have burn mark, replace the NG Audio IC
Change LK-board
Main Speaker No Sound
(Ignore Assist Speaker if have)
Check Audio IC pins and surrounding part,
Replace the NG part if have any
(For example, fuse broken, e.capacitor blow,
c.capacitor short connection, zener diode open or short,
inductor open connection and etc.)
3x blinking
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.
Remember enable back Error Detection if
previously have disable it.
Note : IC4101 and F4101 available to check for model with woofer (Assist Speaker) only.
No 3x blinking
No 3x blinking
No 3x blinking
3x blinking
For model with
Assist Speaker only
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