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  • KDL-32R435A, KDL-40R485A, KDL-46R485A, KLV-24R402A, KLV-24R422A, KLV-32R402A, KLV-32R407A, KLV-32R422A, KLV-40R452A, KLV-40R457A, KLV-40R472A, KLV-46R452A, KLV-46R472A

DOWNLOAD Sony KDL-32R435A / KDL-40R485A / KDL-46R485A / KLV-24R402A / KLV-24R422A / KLV-32R402A / KLV-32R407A / KLV-32R422A / KLV-40R452A / KLV-40R457A / KLV-40R472A / KLV-46R452A / KLV-46R472A Service Manual ↓ Size: 5.23 MB | Pages: 70 in PDF or view online for FREE

Model
KDL-32R435A KDL-40R485A KDL-46R485A KLV-24R402A KLV-24R422A KLV-32R402A KLV-32R407A KLV-32R422A KLV-40R452A KLV-40R457A KLV-40R472A KLV-46R452A KLV-46R472A
Pages
70
Size
5.23 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / COMMON
File
kdl-32r435a-kdl-40r485a-kdl-46r485a-klv-24r402a-kl.pdf
Date
PREV: Sony KD-55X8505A Service Manual

Sony KDL-32R435A / KDL-40R485A / KDL-46R485A / KLV-24R402A / KLV-24R422A / KLV-32R402A / KLV-32R407A / KLV-32R422A / KLV-40R452A / KLV-40R457A / KLV-40R472A / KLV-46R452A / KLV-46R472A Service Manual ▷ View online

ITC2
CHASSIS
R402/ R407/ R422/ R435/ R452/ R457/ R472/ R488
Troubleshooting
3 4 No Picture
3-4. No Picture
No Picture
Note :  
PANEL VCC SW = 12V±0 8V
Check Input Source:
-Tuner
Replace LVDS FFC
Check
PANEL VCC SW at
Input
OK
Still No 
Picture
OK
CHECK BL_ON on
B-Board at R5037.
PANEL_VCC_SW =  12V±0.8V  
+12V
OK
- MHL/HDMI
-Video/Component
p
Harness
_
_
JL6007 on
B-Board
Picture OK
HIGH: OK
LOW: NG
NG
No +12V
Input NG
LVDS FFC
Harness
Problem
Adaptor
or +12V DDCON 
Problem
Picture OK
Backlight or LED 
Driver Problem
Replace Input 
Source
put
G
Replace B-Board
Panel Module 
O C ll
Still No Picture
END
Replace B-Board
or O-Cell 
Problem
Picture OK
END
Picture OK
B-Board Issue
* O-Cell or Panel Module 
replacement Not recommended  
at Service Side.
*Panel or O-Cell 
Issue
25
ITC2
CHASSIS
R402/ R407/ R422/ R435/ R452/ R457/ R472/ R488
Troubleshooting
Troubleshooting References (BB Board)
LVDS FFC 
CONNECTOR
R5037
JL6007
26
ITC2
CHASSIS
R402/ R407/ R422/ R435/ R452/ R457/ R472/ R488
Troubleshooting
3 5 Audio Problem
3-5.  Audio Problem
Audio Problem
Main Speaker No Sound
HP Out No Sound
Refer “Main Speaker 
No Sound”
Refer “HP Out 
HP Out No Sound
Video/Component or 
HDMI 2 AUDIO IN
d?
No Sound”
Refer “Analog Audio 
Input 
N S
d”
no sound?
Analog RF
no sound?
No Sound”
Refer “Analog RF 
No Sound”
HDMI Audio
no sound?
No Sound
Refer “HDMI Audio 
No Sound”
USB Audio
no sound?
Refer “USB Audio 
No Sound”
27
ITC2
CHASSIS
R402/ R407/ R422/ R435/ R452/ R457/ R472/ R488
Troubleshooting
3 5 Audio Problem
3-5.  Audio Problem
3-5-1. Main Speaker No Sound 
START
Main Speaker No
Do a Factory Setting
Sound
Sound
START
Main Speaker No 
Sound
No Sound
No Sound
Check Speaker Harness 
Check Speaker Harness 
connectivity
No connectivity for 
speaker harness
Sound
Sound
No Sound
No Sound
Change Speaker Harness
Speaker Impedance 
≠ 6~8 Ω
Check Speaker Impedance 
No Sound
No Sound
Sound
Sound
No Sound
No Sound
No Sound
No Sound
Change Speaker
F4000 broken
Check fuse connectivity 
at F4000
No Sound
No Sound
No connectivity 
of F4000
No Sound
No Sound
Audio IC problem
IC4000 damage
No Sound
No Sound
F4000 OK
Change BB Board
28
DONE
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