Sony KDL-32NX650 / KDL-40NX650 Service Manual ▷ View online
TROUBLE SHOOTING
3-5. POWER (Green) LED BLINKING
Non-Stop blinking
POWER (Green) blinking
Check
the impedance between
TCON_VCC (CN6401#19)
and GND (CN6401#12)
G* Board
>= 200 Ohm
T-con
(Panel module)
Remove the LVDS FFC.
And recheck the impedance
>= 200 Ohm
< 200 Ohm
(Panel module)
And recheck the impedance.
B* Board
< 200 Ohm
B Board
Segment
Size
B*
Board
Type
G*
Board
Type
69
KDL-32/40NX650
P-2S
32
BAPS
GL2
P-2S
40
BAPS
GL6
TROUBLE SHOOTING
3-6. NO PICTURE
No Picture
Press HOME key.
Menu displayed?
NO
YES
Replace
the LVDS FFC
Panel
(Tcon)
NG
Check
BL_ON and BLINKING
at CN6401#5 & 4
on the G* Board
Both H
Not both H
Symptom
B* Board
YES
FFC
(LVDS)
Replace the harness
between G* board
and B* board)
Harness
（G* to B*)
NG
Not both H
Symptom
improvement
improvement
Change B* Board
G* board
NG
OK
B* b
d
Change B* Board
G* board
Symptom
improvement
improvement
Segment
Size
B*
Board
Type
G*
Board
Type
70
B* board
KDL-32/40NX650
P-2S
32
BAPS
GL2
P-2S
40
BAPS
GL6
TROUBLE SHOOTING
3-7. NO SOUND
No Sound
“A di S t
”
Check the
“Speakers setting”
Change to
“TV Speaker”
“Audio System”
“TV Speakers”
Check the Speaker
Harness
Replace
the B* Board
B* Board
NG
p
Symptom
improvement
improvement
Speaker Harness
Speaker
NG
Symptom
improvement
improvement
Speaker Harness
Speaker
Segment
Size
B*
Board
Type
G*
Board
Type
71
KDL-32/40NX650
P-2S
32
BAPS
GL2
P-2S
40
BAPS
GL6
TROUBLE SHOOTING
3-8. TV COMMANDER BUTTONS MALFUNCTION
1) TV button malfunction
Button malfunction
on the TV
Replace the Harness
between B* Board and
Switch Unit
Switch Unit
Switch Unit change
NG
Symptom
improvement
improvement
Harness
B* Board
NG
Symptom
improvement
improvement
Harness
B Board
Segment
Size
B*
Board
Type
G*
Board
Type
72
KDL-32/40NX650
P-2S
32
BAPS
GL2
P-2S
40
BAPS
GL6
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