Read Sony KDL-46HX820 / KDL-55HX820 Service Manual online
SECTION 3
TROUBLESHOOTING
Troubleshooting
KDL- 46HX820, 55HX820
RM-GD017
3-1. Power Problem
3-2. Standby Led Blinking
3-2-1. 2-times blinking (Main Power Error)
No Power
Turn on the Switch
Check
SW OFF
2-times blinking
Check STBY 3.3V
Replace the Harness
Turn on the Switch
* Power Saving Switch
NG
NG
SW ON
Check REG12V
at pins 2/3 of
CN6001 on
the B* Board
G* Board
Replace the Harness
Between G* Board and
B* Board
NO 12V
NG
at 10 pin of CN6001
on the B* Board
G* Board
Between G* Board and
B* Board
NG
OK
Symptom
improvement
the B* Board
B* Board
Harness
12V OK
Symptom
improvement
Harness
B* Board
Power Saving Switch：Only for BAT-L model
(2b-1,2b-2,3a-1)
Segment
Size
B*
Board
Type
G*
Board
Type
2b-2
46
BATL
G5AW
-12-
2b 2
46
BATL
G5AW
2b-2
55
BATL
G6AW
Click on the first or last page to see other KDL-46HX820 / KDL-55HX820 service manuals if exist.