Sony KDL-40NX710 / KDL-46NX710 (serv.man4) Service Manual ▷ View online
KDL-40/46NX710(K)
61
TROUBLE SHOOTING
6) 7 times blinkings (Temperature Error)
7 times Blinkings
Setting circumstance
is OK?
Temperature,
Ventilation, etc.
Set to another
Location, etc.
NO
YES
Change BUHT Board,
and Aging a few hours
BUHT Board
OK
Panel
KDL-40/46NX710(K)
62
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 BUHT board
Change G* board
BUHT Board
Harness
Harness
(LVDS)
(LVDS)
BUHT Board
LCD Panel
(T-con, LED Driver)
Yes
OK
NG
NG
OK
NG
OK
NG
OK
KDL-40/46NX710(K)
63
TROUBLE SHOOTING
3-6. NO SOUND
No Sound
Check the Speaker
Harness
Speaker Harness
Replace
the BUHT Board
BUHT Board
Speaker
NG
OK
NG
OK
Check the
“Speakers setting”
Change to
“TV Speaker”
“Audio System”
“TV Speakers”
KDL-40/46NX710(K)
64
3-7. TV COMMANDER BUTTONS MALFUNCTION
TROUBLE SHOOTING
1) TV button malfunction
Button malfunction
on the TV
BUHT to Switch Unit
harness check
Switch Unit
Harness
Switch Unit change
BUHT Board
OK
NG
OK
NG
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