Sony KDL-46HX820 / KDL-55HX820 Service Manual ▷ View online
3-2-6. 6-times blinking (Backlight Error)
3-2-7. 6-times blinking (Backlight Error)
F
(P 1 P 2)
Troubleshooting
KDL- 46HX820, 55HX820
RM-GD017
6-time blinking
6-time blinking
Ch k
Symptom
improvement
For (P-1, P-2)
For (3a-1, 3a-2, 2b-1, 2b-2)
* Not applicable for these model
Check
BL_ERR at
pin 7 of CN6002
B* Board
under 2.65V
Check
the harness between
the T‐con board and the
LED driver board (LD).
Harness
NG
Change
LED driver
Board (LD)
LED
Driver
Board
(LD)
NG
Symptom
pin 7 of CN6002
on the B* Board
Over 2.65V
Symptom
G*/and/or
G** Board
G*/
G** Board
NG
OK
Symptom
improvement
Change B*
board
B*
Board
improvement
G* board
NG
improvement
Change G* Board
Light Source
(Inside Panel Module)
NG
Check FFC connection
between the LED driver board (LD)
And the light source
FFC
Connection
NG
Panel
(inside the panel module)
Connection
OK
Segment
Size
B*
Board
Type
G*
Board
Type
G**
Board
Type
-16 -
2b-2
46
BATL
G5AW
2b-2
55
BATL
G6AW
G7A
3-2-8. 7-times blinking (Temperature Error)
3-2-9. 8-times blinking (Software Error)
Troubleshooting
KDL- 46HX820, 55HX820
RM-GD017
7-times blinking
Setting Circumstance
Set to another
No
8-times blinking
Yes
g
Is OK?
Temperature,
Ventilation, etc.
Set to another
location, etc.
No
If the Symptom
Improved by changing
the WIFI module
B* Board
NG
Panel
NG
Change B* Board,
and Aging a few hours
Symptom
WIFI Module
Symptom
improvement
B* Board
y p
improvement
Segment
Size
B* Board
Type
2b-2
46
BATL
-17 -
2b 2
46
BATL
2b-2
55
BATL
3-2-10. 10-times blinking (Emitter error) (3D) Models only
3-3. POWER（Green) LED BLINKING
3-3-1. Non-Stop blinking
Troubleshooting
KDL- 46HX820, 55HX820
RM-GD017
POWER (Green) blinking
For (P-1, P-2)
For (3a-1, 3a-2, 2b-1, 2b-2)
* Not applicable for these model
10-time blinking
Check
the harness between
NG
Check
the harness between
the G* board and
harness
NG
OK
the harness between
the T-con board and
the HEM2 board
harness
NG
OK
Panel
NG
Check Panel
Panel
T-CON board
NG
Change HEM2 Board
Symptom
improvement
OK
Check G* board
G* Board
NG
HEM2 Board
improvement
B* Board
OK
-18-
3-4. NO PICTURE
3-4-1. (Except HFR Model)
Troubleshooting
KDL- 46HX820, 55HX820
RM-GD017
No Picture
Press HOME Key.
N
R
l
LCD Panel
NG
Check
BL_ON：H
Check
PANEL VCC
Y
about 5V ： 22”(WXGA))Model,
about 12V : except 22” ”(WXGA)) Model
* Not applicable for these model
XMB（Menu）
displayed?
No
Yes
Replace
the LVDS Harness
LCD Panel
(T-con)
NG
BL_ON at JL6018
on the B* Board
BL_ON：L
PANEL_VCC
at JL6004
on the B* Board
No
Yes
Symptom
improvement
B* Board
Harness
(LVDS)
Replace Harness
(Between G* Board
Harness
（G* to B*)
G* Board
improvement
Symptom
improvement
to B* Board)
)
NG
Ch
B* B
d)
G* B
d
NG
Change B* Board)
G* Board
Symptom
improvement
B* Board
p
-19-
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