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

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

SECTION 2
SELF DIAGNOSTIC FUNCTION
2-1 Overview of Control Buttons
Self Diagnostic Function
2-3 LED Pattern
2-1. Overview of Control Buttons
When safety shutdown occurs, Standby LED display reports the cause by using the lightning
patterns as indicated below
2 3. LED Pattern
3.0sec
3.0sec
0.5sec
0.
5sec
Example: The figure above shows LED display when SHUTDOWN is caused by Audio 
Error. It repeats flashing for a specified number of times in 0.5sec/cycle and has a 3 seconds
interval of lighting off. Please note that a 3 seconds interval of lighting off is fixed regardless of abnormal state types.
2-4. Standby LED Error Display
The Number of 
Standby LED
Detection Items
Board Error Item
2-2. LED Display Control
Status
LED Colour
Remarks
Power Off
( AC Off  and *1)
OFF
*1  power switch off (by 
touch button) 
Amber
Red
Green
Standby LED 
(RED blinking)
2
Main Power Error
AC adapter Error
3
Audio Error
BB board Error
Power On
Green
Standby
( by remote control off only )
Red
Picture Off
Green
4
Panel Power Error
BB board Error
5
Panel I2C COMM Error
BB or Source board Error
6
Backlight Error
BB board Error
Set "Sleep Timer"
Amber
Set "On Timer"
( Power On )
Amber
Set "On Timer"
( Standby )
Amber
(
y )
Picture Frame
Amber
Failure
Red Blinking
The number of LED blinking 
indicates cause of failure.
Error of panel ID
Amber/Green 
Blinking
Blinking:0.5sec Amber/ 
0 5sec Green
8
Blinking
0.5sec Green
Software Updating
Amber Blinking
Blinking: 1sec On / 1sec Off
Self Diagnostic Function
R f
Blinking
No Picture
No Sound
2-5. Triage Chart
Reference 
2
3
4
5
6
Tuner USB Video Component HDMI
MHL
Main 
Speaker
HP
Video
Component
Tuner
HDMI
USB
BB Board
Light Source 
Board
Open Cell
AC Adaptor
Speaker Unit
LS Harness
Main 
Harness
C C
FFC Cable
Note: Details refer to Troubleshooting Section.
Secondary possible defective part
Most likely defective part
9
ITC2
CHASSIS
R402/ R407/ R422/ R435/ R452/ R457/ R472/ R488
SECTION 3
TROUBLESHOOTING
3-1. Troubleshooting Flow
START
Does the Power Led
stay on when the 
Open Detail
- No Power
TV is switched on ?
Is the Standby Led
No Power
Open Detail
blink ?
- Standby LED Blink
Green & Amber 
blink?
- Panel ID Error
- Panel Not Supported
Is the Picture and
Sound OK ?
Open Detail
- Picture/Audio/Video 
END
10
ITC2
CHASSIS
R402/ R407/ R422/ R435/ R452/ R457/ R472/ R488
Troubleshooting
3-2.  No Power
No Power
Check DC voltage at
JL6001
Yes
•See DDCON 
Sheet
Is it 19.5V?
No
Sheet
T k
t d
t
Take out adaptor 
and test at adaptor 
output is it 19V – 19.5V? 
(Refer Figure 1)
BB board
Yes
No
Change adaptor 
and test again
Adaptor
NG
OK
AC source
NG
Figure 1: How to test DC voltage 
at adaptor output
11
Page of 70
Display

Click on the first or last page to see other 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 manuals if exist.