Sony KDL-40EX700 / KDL-52EX700 / KDL-60EX700 Service Manual ▷ View online
KDL-40/46/52/60EX700(CH)
25
TROUBLE SHOOTING
3) 4 times blinkings (Balancer Error)
4 times Blinkings
Check
PANEL_FAIL at
JL2565
on the BAL Board
BAL Board
PANEL
(Balancer)
Between 0.84V to 2.65V
KDL-40/46/52/60EX700(CH)
26
TROUBLE SHOOTING
4) 5 times blinkings (T-con Error)
5 times Blinkings
Check PANEL_VCC
at JL3806
on the BAL Board
G* Board
Between G* to Panel
harness check
LVDS Harness
check
Panel (T-con)
change
BAL Board
Harness
LVDS Harness
Panel (T-con)
about 5V ： 22” Model
about 12V : ex. 22” Model
about 12V : ex. 22” Model
NG
OK
NG
OK
NG
NG
OK
OK
KDL-40/46/52/60EX700(CH)
27
TROUBLE SHOOTING
5) 6 times blinkings (Backlight Error)
6 times Blinkings
Check
PANEL_FAIL at
JL2565
on the BAL Board
G* Board
BAL Board
Under 2.65V
Change G* Board
NG
OK
Over 2.65V
Panel (T-con)
KDL-40/46/52/60EX700(CH)
28
TROUBLE SHOOTING
6) 7 times blinkings (Temperature Error or RGB sensor I2C Error)
7 times Blinkings
Setting circumstance
is OK?
Temperature,
Ventilation, etc.
Harness BAL to HLR
Set to another
Location, etc.
Change the harness
between BAL board
to HLR board
NO
NG
YES
OK
Change HLR board
Change BAL Board,
and Aging a few hours
RGB Sensor
Problem
*
OK
BAL Board
OK
Panel
* On Self Check Display
000:RGB_SEN -> No count
007:TEMP_ERR -> Increment
007:TEMP_ERR -> Increment
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