Read Sony KDL-46HX820 / KDL-55HX820 Service Manual online
3-2-2. 3-times blinking( DC Alert & Audio Error)
Troubleshooting
KDL- 46HX820, 55HX820
RM-GD017
3-times blinking
Check D+1 2V at
Check AUDIO+12.5V
at pin 8/9 of
CN6001 on
the B* Board
G* Board
DC_ALERT
AUDIO
NG
Check D+1.2V at
JL6007
on the B* Board
F6001,IC6005,etc
(B* Board)
Check +12.5V
at F4601 on
F4601,IC4601,etc
(B* Board)
NG
OK
OK
NG
Check +3.3V_MAIN
at JL9111 on
the B* Board
F6003,IC6003,etc
(B* Board)
the B* Board
(B Board)
IC4601,etc
(B* Board)
NG
OK
OK
Speaker
Check
Speaker Impedance
at SP Connector
(B Board)
OK
AUDIO
NG
at SP Connector
OK
Segment
Size
B*
Board
Type
G*
Board
Type
-13-
2b-2
46
BATL
G5AW
2b-2
55
BATL
G6AW
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