Sony KDL-46HX900 / KDL-46HX903 / KDL-46HX905 / KDL-52HX900 / KDL-52HX903 / KDL-52HX905 Service Manual ▷ View online
KDL-46/52HX900,903,905(AEP/UK)
29
TROUBLE SHOOTING
4) 5 times blinkings (T-con Error)
5 times Blinkings
Check PANEL_VCC
at JL3806
on the B* Board
G* Board
Between G* to Panel
harness check
(a)
LVDS Harness
check
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
OK
NG
OK
NG
OK
KDL-46/52HX900,903,905(AEP/UK)
30
TROUBLE SHOOTING
5) 6 times blinkings (Backlight Error)
6 times Blinkings
Check the harness
between the T-con board
and the LED driver board
Harness
Change G* board
Check FFC connection
between the LED driver
Board and the light source
(inside the panel module)
Change the LED
driver board (Panel)
LED Driver Board
(panel)
G* Board
FFC Connection
Light Source
(inside Panel Module)
NG
OK
OK
NG
NG
OK
OK
NG
KDL-46/52HX900,903,905(AEP/UK)
31
TROUBLE SHOOTING
6) 7 times blinkings (Temperature Error or RGB sensor I2C Error)
7 times Blinkings
Setting circumstance
is OK?
Temperature,
Ventilation, etc.
Harness B* to H*
Set to another
Location, etc.
Change the harness
between B* board
to H* board
NO
YES
NG
OK
Change H* board
Change B* Board,
and Aging a few hours
RGB Sensor
Problem
*
OK
B* Board
OK
Panel
* On Self Check Display
000:RGB_SEN -> No count
007:TEMP_ERR -> Increment
007:TEMP_ERR -> Increment
KDL-46/52HX900,903,905(AEP/UK)
32
TROUBLE SHOOTING
3-5. NO PICTURE
No Picture
Press HOME Key
XMB (Menu) displayed?
Replace
the LVDS harness
G* Board
Check the harness
No
Change B* board
Change G* board
B* Board
Harness
Harness
(LVDS)
(LVDS)
B* Board
LCD Panel
(T-con, LED Driver)
Yes
OK
NG
NG
OK
NG
OK
NG
OK
Click on the first or last page to see other KDL-46HX900 / KDL-46HX903 / KDL-46HX905 / KDL-52HX900 / KDL-52HX903 / KDL-52HX905 service manuals if exist.