Sony KDL-46HX820 / KDL-55HX820 Service Manual ▷ View online
3-4. NO PICTURE
3-4-1. (HFR Model Only)
Troubleshooting
KDL- 46HX820, 55HX820
RM-GD017
No Picture
Press HOME Key.
OSD displayed?
No
Replace
the B--T con/
T con--LD
NG
Check the
G* or G** Board/
LD Board
Change B* Board
OK
NG
B* Board
Yes
FFC
B‐‐Tcon, Tcon‐LD
FFC
B* Board
Harness
Harness
NG
Symptom
improvement
Symptom
improvement
LCD Panel
(T‐con, LD)
Change G* and/or
G** Board
NG
Symptom
G*/ G** Board
improvement
Segment
Size
B*
Board
Type
G*
Board
Type
G**
Board
Type
-20-
2b-2
46
BATL
G5AW
2b-2
55
BATL
G6AW
G7A
3.5. NO SOUND
3.6. TV COMMANDER & BUTTONS MALFUNCTION
3-6-1. TV key Malfunction
Troubleshooting
KDL- 46HX820, 55HX820
RM-GD017
No Sound
Button malfunction
on the TV
Check the
“Speakers setting”
Change to
“TV Speaker”
“Audio System”
Replace the harness
between B*
to Switch Unit
Switch Unit
Switch Unit change
NG
Symptom
improvement
Change the Speaker
Harness
Replace
the B* Board
B* Board
NG
“TV Speakers”
Symptom
improvement
H
B* Board
NG
Symptom
improvement
Harness
the B Board
NG
Symptom
improvement
Harness
Speaker Harness
Speaker
Segment
Size
B* Board
Type
2b-2
46
BATL
-21-
2b 2
46
BATL
2b-2
55
BATL
3-6-2. IR remote commander malfunction
Troubleshooting
KDL- 46HX820, 55HX820
RM-GD017
TV isn’t controlled
by remote commander
OK
Green LED light
at power indicator
Green LED blinks at power
Indicator when using commander
near sensor’s window
OK
Mechanical
(ex. bezel)
NG
Check the Harness
between the B* Board
NG
OK
Sensor is broken
between the B Board
and the H* Board
E h
H
H
NG
Sensor is broken
Symptom
improvement
Exchange Harness
Harness
NG
Exchange H* board
H* board
p
Symptom
improvement
B* board
NG
Segment
Size
B*
Board
Type
H*
Board
Type
-22-
2b-2
46
BATL
HLT2
2b-2
55
BATL
HLT2
3-6-3. RF remote commander malfunction
Troubleshooting
KDL- 46HX820, 55HX820
RM-GD017
Commander
* Not applicable for these model
malfunction
Re‐Pairing action
NG
NG
Use new remote
d
b
i
Use new batteries
NG
RF remote commander is
Un‐registered
and new batteries
Remote
Batteries low power
Symptom improvement
Symptom improvement
Symptom improvement
Un registered
R
l
NG
Replace the Harness
NG
B* board
Replace
the RF Module
NG
between the B* Board
and the RF Module
Symptom
improvement
Symptom
improvement
NG
RF Module
Harness
improvement
improvement
-23-
Click on the first or last page to see other KDL-46HX820 / KDL-55HX820 service manuals if exist.