Sony KDL-32CX520 / KDL-40CX520 / KDL-46CX520 Service Manual ▷ View online
KDL-32/40/46CX520(CH)
37
TROUBLE SHOOTING
3) 5 times blinking (T-con Error)
5-time blinking
Check PANEL_VCC
at pin 1 of
CN6001 on
on the B* Board
G* Board
Replace the Harness
Between G* and Panel
(a)
Replace
the LVDS Harness
Panel (T-con)
change
B* Board
Harness
LVDS Harness
Panel (T-con)
about 5V : 22” Model
about 12V : ex. 22” Model
about 12V : ex. 22” Model
(a) exclude 60Hz Panel Model
NG
OK
NG
Symptom
improvement
improvement
Symptom
improvement
improvement
Symptom
improvement
improvement
NG
NG
RGB sensor Change
RGB Sensor
(b) Only for Y* Models
Symptom
improvement
improvement
KDL-32/40/46CX520(CH)
38
TROUBLE SHOOTING
4) 6 times blinking (Backlight Error)
6-time blinking
Check
BL_ERR at
pin 7 of CN6002
on the B* Board
B* Board
Under 2.65V
G* board
NG
Over 2.65V
Symptom
improvement
improvement
Change G* Board
Panel
KDL-32/40/46CX520(CH)
39
TROUBLE SHOOTING
5) 7 times blinking (Temperature Error)
7 times blinking
Setting circumstance
is OK?
Temperature,
Ventilation, etc.
Set to another
Location, etc.
NO
YES
Change B* Board,
and Aging a few hours
B* Board
OK
Panel
KDL-32/40/46CX520(CH)
40
TROUBLE SHOOTING
3-5. POWER (Green) LED BLINK
POWER (Green) blinking
OK
Panel
NG
Check Panel
Check the harness
Between the G* Board
And Panel
Harness
NG
OK
Check G* Board
B* Board
OK
G* Board
NG
Non-Stop blinking
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