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Model
KDL-40LX900 KDL-40LX903 KDL-40LX904 KDL-40LX905 KDL-52LX900 KDL-52LX904 KDL-52LX905 KDL-60LX900 KDL-60LX903 KDL-60LX905
Pages
59
Size
3.63 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kdl-40lx900-kdl-40lx903-kdl-40lx904-kdl-40lx905-kd.pdf
Date
PREV: Sony KDL-46HX900 / KDL-46HX903 / KDL-46HX905 / KDL-52HX900 / KDL-52HX903 / KDL-52HX905 (serv.man2) Service Manual

Sony KDL-40LX900 / KDL-40LX903 / KDL-40LX904 / KDL-40LX905 / KDL-52LX900 / KDL-52LX904 / KDL-52LX905 / KDL-60LX900 / KDL-60LX903 / KDL-60LX905 Service Manual ▷ View online

KDL-40/52/60LX900,903,904,905(AEP/UK)
29
TROUBLE SHOOTING
4) 5 times blinkings (T-con Error)
5 times Blinkings
Check PANEL_VCC
at JL3806
on the BEHS Board
G* Board
Between G* to Panel
harness check
(a)
LVDS Harness
check
Panel (T-con)
change
BEHS Board
Harness
LVDS Harness
Panel (T-con)
about 5V ： 22” Model
about 12V : ex. 22” Model
(a) exclude 60Hz Panel Model
NG
OK
NG
OK
NG
OK
NG
OK
KDL-40/52/60LX900,903,904,905(AEP/UK)
30
TROUBLE SHOOTING
5) 6 times blinkings (Backlight Error)
6 times Blinkings
Check
PANEL_FAIL at
JL2565
on the BEHS Board
G* Board
BEHS Board
Under 2.65V
Change G* Board
NG
OK
Over 2.65V
Change the harness
between T-con
to HEM board
Panel (T-con)
Harness
T-con to HEM
OK
KDL-40/52/60LX900,903,904,905(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
KDL-40/52/60LX900,903,904,905(AEP/UK)
32
TROUBLE SHOOTING
3-5. NO PICTURE
No Picture
Press HOME Key
XMB (Menu) displayed?
BEHS Board
Replace
the LVDS Harness
LCD Panel
(T-con)
Harness
(LVDS)
Check
BL_ON at JL2566
on the BEHS Board
BL_ON:H
BEHS Board
Check Harness
(Between G* Board
to BEHS Board)
Harness
(G* to BEHS)
BL_ON: not H
Change BEHS Board
G* Board
NO
YES
NG
OK
NG
OK
NG
OK
PANEL_VCC
At JL3806 on the
BEHS Board
G* Board
YES
NO
about 5V ： 22” Model
about 12V : ex. 22” Model
Page of 59
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