DOWNLOAD Sony KDL-46HX850 / KDL-55HX850 (serv.man2) Service Manual ↓ Size: 14.5 MB | Pages: 115 in PDF or view online for FREE

Model
KDL-46HX850 KDL-55HX850 (serv.man2)
Pages
115
Size
14.5 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kdl-46hx850-kdl-55hx850-sm2.pdf
Date
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Sony KDL-46HX850 / KDL-55HX850 (serv.man2) Service Manual ▷ View online

KDL-46/55HX850(CH)
89
3-5. POWER (Green) LED BLINKING
POWER (Green) blinking
T-con
(Panel module)
Remove the LVDS FFC.
And recheck the impedance.
Check
the impedance between
TCON_VCC (CN6401#19)
and GND (CN6401#12)
G* Board
B* Board
Non-Stop blinking
TROUBLE SHOOTING
< 200 Ohm
>= 200 Ohm
< 200 Ohm
>= 200 Ohm
KDL-46/55HX850(CH)
90
TROUBLE SHOOTING
3-6. NO PICTURE
No Picture
Press HOME Key.
Menu displayed?
B* board
NO
YES
Replace
B*-Tcon FFC,
Tcon-LD FFC
B-Tcon, Tcon-LD
FFC
NG
B* board
Check the G*- LD
Harness
Harness
NG
Change B* board
OK
NG
G* Board
Panel
(Tcon, LD)
Change G* board
NG
Symptom 
improvement
Symptom 
improvement
Symptom 
improvement
KDL-46/55HX850(CH)
91
TROUBLE SHOOTING
3-7. NO SOUND
No Sound
Check the Speaker
Harness
Speaker Harness
Replace
the B* Board
B* Board
Speaker
NG
NG
Check the 
“Speakers setting”
Change to 
“TV Speaker”
“Audio System”
“TV Speakers”
Symptom 
improvement
Symptom 
improvement
KDL-46/55HX850(CH)
92
3-8. TV COMMANDER BUTTONS MALFUNCTION
TROUBLE SHOOTING
1) TV button malfunction
Button malfunction
on the TV
Replace the Harness
between B* to
Switch Unit
Switch Unit
Harness
Switch Unit change
B* Board
NG
NG
Symptom 
improvement
Symptom 
improvement
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