Sony KD-84X9000 Service Manual ▷ View online
XBR/KD-84X9000 Series(WW)
89
TROUBLE SHOOTING
3-5. NO PICTURE
No picture
Press HOME Key.
Menu displayed?
BAPS board
No
Yes
Replace
ON3-Tcon FFC,
ON3-LD FFC,
P3L-ON3 FFC,
B*-P3L FFC and
Harness
FFC or Harness
NG
ON3 board
Check the G*- LD
Harness
Harness
NG
Change ON3 board
OK
NG
Symptom
improvement
Symptom
improvement
G* Board
Panel
(TCON, LD)
Change G* board
NG
Symptom
improvement
Change P3L board
P3L board
Symptom
improvement
Change BAPS board
BAPS board
Symptom
improvement
XBR/KD-84X9000 Series(WW)
90
TROUBLE SHOOTING
3-6. NO SOUND
No Sound
Check the Speaker
Harness
Speaker Harness
Replace
the BAPS Board
BAPS Board
Speaker
NG
NG
Check the
“Speakers setting”
Change to
“TV Speaker”
“Audio System”
“TV Speakers”
Symptom
improvement
Symptom
improvement
Check the
“Maximum Volume”
Increase the
level
“Minimum”
“>Minimum”
XBR/KD-84X9000 Series(WW)
91
3-7. TV COMMANDER BUTTONS MALFUNCTION
TROUBLE SHOOTING
1) TV button malfunction
Button malfunction
on the TV
Replace the Harness
between BAPS to
Switch Unit
Switch Unit
Harness
Switch Unit change
BAPS Board
NG
NG
Symptom
improvement
Symptom
improvement
XBR/KD-84X9000 Series(WW)
92
TROUBLE SHOOTING
2) IR remote commander malfunction
TV isn’t controlled
by remote commander
Green LED light
at power indicator
OK
NG
Sensor is broken
HL Board
BAPS Board
OK
NG
Mechanical
(ex. bezel)
Green LED blinks
at power indicator
when using commander
near sensor’s window
Check the Harness
between the BAPS Board
and the HLR Board
Exchange the Harness
Exchange the
HL Board
Harness
OK
NG
NG
NG
Symptom
improvement
Symptom
improvement
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