Sony KD-43X7 F Series Service Manual page 23

3.3 : 3x Blinking – Audio Error
B Board
(#Audio IC (IC3101) problem)
START
#Audio IC (IC3101) problem
3x blinking and F3101 OK
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,
inductor open connection and etc.)
3x blinking
Check have any burn mark on Audio IC,
If have burn mark, replace the NG Audio IC
3x blinking
Change B-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.
No 3x blinking
No 3x blinking
(Supplementary
23
information)
SYS SET