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Model
KDL-32EX421 KDL-32EX520 KDL-32EX521 KDL-32EX523 KDL-40EX520 KDL-40EX521 KDL-40EX523 KDL-46EX520 KDL-46EX521 KDL-46EX523
Pages
104
Size
13.55 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kdl-32ex421-kdl-32ex520-kdl-32ex521-kdl-32ex523-kd.pdf
Date

Sony KDL-32EX421 / KDL-32EX520 / KDL-32EX521 / KDL-32EX523 / KDL-40EX520 / KDL-40EX521 / KDL-40EX523 / KDL-46EX520 / KDL-46EX521 / KDL-46EX523 Service Manual ▷ View online

KDL-32EX421/32EX423/32EX520/32EX521/32EX523/40EX520/40EX521/40EX523/46EX520/46EX521/46EX523 D-11
APPENDIX D - TRIAGE SHEETS
Before you make the service call…
  
1.  Confirm the symptom from the customer.
Chassis:
AZ2F
2.  Select that symptom from the chart.
3.  Bring 
ONLY THE MOST LIKELY PART
 for that symptom.
4.  Follow the troubleshooting charts in the technical guides to isolate the board.
RED DOT: Most likely defective part  
LAST UPDATED:
6/9/2011
WIRELESS
LAN
Remote Audio
2
3
4
5
6
*7
8
Green LED Blinking 
Constantly ON/OFF 
Cycling
No Green 
Power LED 
(Dead Set)
No video
Whole
Screen
Distortion
Isolated
area
Distortion
Not Working
No
Remote
No Audio
REF #
BATV BOARD
 
151
GE3A BOARD
 
101
HLR2 BOARD
153
Wireless LAN Card
106
Service Bulletin
See Reference 
Library
Software Update
See Reference 
Library
TCON Board
See LCD Panel 
Manual
LCD Panel
 
 
202
 Problem
POWER
AUDIO/
POWER
BACK-
LIGHT
TCON
BACK-
LIGHT
TEMP
WDT
Sony 
KDL46EX523
 Technical Triage Summary Sheet
Reference 
 
5. Chart Color Code
BLUE TRIANGLE:  Secondary possible defective part
Video
Symptoms - Shutdown. Power LED
blinking red diagnostics sequences
No
Power
* ONLY IF 7X SHUTDOWN OCCURS IMMEDIATLEY 
FIGURE APPENDIX B-11.  KDL-46EX523 MODELS ONLY
KDL-32EX421/32EX423/32EX520/32EX521/32EX523/40EX520/40EX521/40EX523/46EX520/46EX521/46EX523 E-1
APPENDIX E - 8 BLINK ERROR CODE
SUBJECT: 8 Blink Error Code
SYMPTOM:
1.  TV shuts down with an 8 blink error
2.  008 error code not in the service SELF CHECK list
3.  103 error code registers 8 blink error is in SELF 
CHECK list
CAUSE::
8 blink could be caused by one of the following issues:
1.  Software Issue 
2.  Network Issue 
3.  Skype Login Issue 
4.  Incompatible USB Device Plugged Inserted
5.  Defective Main Board
8x blink code is mainly used during TV software development. Look 
in TV’s service SELF CHECK for error code history and notice at the 
bottom of the list WDT (Watch Dog Timer) error codes, in particular 
notice 103 HOST_WDT.
--------------   --------------  --------------  00
--------------   --------------  --------------  00
--------------   --------------  --------------  00
--------------   --------------  --------------  00
--------------   --------------  --------------  00
--------------   --------------  --------------  00
002 MAIN_POWE
003 DC_ALERT
003 AUD_PROT
004 BALANCER
005 HFR_ERR
005 P_ID_ERR
12345-00333-06789
12345
-
00333
-
06789
-
-
--------------   --------------  --------------  00
006 VLED
--------------   --------------  --------------  00
005 TCON_ERR
--------------   --------------  --------------  00
--------------   --------------  --------------  00
--------------   --------------  --------------  00
006 BACKLITE
007 TEMP_ERR
010 EMITTER
--------------   --------------  --------------  00
007 FAN_ERR
--------------   --------------  --------------  00
012 IA
--------------   --------------  --------------  00
SELF CHECK                   
--------------   --------------  --------------  00
--------------   --------------  --------------  00
101 VPC_WDT
--------------   --------------  --------------  00
102 MEPS_WDT
--------------   --------------  --------------  00
103 HOST_WDT
--------------   --------------  --------------  00
104 STBY_WDT
--------------   --------------  --------------  00
000 RGB_SEN
000 RESERVED
000 RESERVED
Every time 3 errors are registered in the SELF CHECK screen the TV 
will shut down and activate an 8x blink pattern on the Red Standby 
LED.
101 VPC_WDT
--------------   --------------  --------------  00
102 MEPS_WDT
--------------   --------------  --------------  00
103 HOST_WDT
--------------   --------------  --------------  09
104 STBY_WDT
--------------   --------------  --------------  00
--------------   --------------  --------------  00
--------------   --------------  --------------  00
--------------   --------------  --------------  00
--------------   --------------  --------------  00
--------------   --------------  --------------  00
--------------   --------------  --------------  00
002 MAIN_POWE
003 DC_ALERT
003 AUD_PROT
004 BALANCER
005 HFR_ERR
005 P_ID_ERR
12345-00333-06789
12345
-
00333
-
06789
-
-
--------------   --------------  --------------  00
006 VLED
--------------   --------------  --------------  00
005 TCON_ERR
--------------   --------------  --------------  00
--------------   --------------  --------------  00
--------------   --------------  --------------  00
006 BACKLITE
007 TEMP_ERR
010 EMITTER
--------------   --------------  --------------  00
007 FAN_ERR
--------------   --------------  --------------  00
012 IA
--------------   --------------  --------------  00
SELF CHECK                   
--------------   --------------  --------------  00
--------------   --------------  --------------  00
101 VPC_WDT
--------------   --------------  --------------  00
102 MEPS_WDT
--------------   --------------  --------------  00
103 HOST_WDT
--------------   --------------  --------------  09
104 STBY_WDT
--------------   --------------  --------------  00
000 RGB_SEN
000 RESERVED
000 RESERVED
SOLUTION:
To Troubleshoot perform the following steps in the order shown:
1.  Step 1
a.  Disconnect All Inputs to the TV
b.  Cycle AC Power
c.  8 blink still occurs, go to Step 2
KDL-32EX421/32EX423/32EX520/32EX521/32EX523/40EX520/40EX521/40EX523/46EX520/46EX521/46EX523 E-2
APPENDIX E - 8 BLINK ERROR CODE
2.  Step 2
a.  Completely Reset TV using Remote Control
b.  While Pressing and holding Arrow Up, Press and 
Hold TV Power Button (on side of TV) and then 
Release Arrow Up
c.  8 blink still occurs, go to Step 3
3.  Step 3
a.  Check for latest Software Version through Network 
Connection or Reference Library 
b.  Connect and Configure TV Network Connection
c.  Using Remote Control Press HOME > Settings > 
Product Support > Software Update
d.  If TV is not network connected go to Reference 
Library and Download Latest Software for the 
Specific Model and Install using a USB Thumb 
Drive.
e.  8 blink still occurs, go to Step 4
4.  Step 4
a.  Replace Main (BATV) Board
KDL-32EX421/32EX423/32EX520/32EX521/32EX523/40EX520/40EX521/40EX523/46EX520/46EX521/46EX523 F-1
APPENDIX F - SETUP GUIDE
The Setup Guides (Operating Instructions) are the documents that are included with the television. Sony’s BRAVIA TVs now come with an 
on-screen i-Manual. To learn more about the TVs features access the i-Manual using the customers remote control.
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Sony KDL-32EX421 / KDL-32EX520 / KDL-32EX521 / KDL-32EX523 / KDL-40EX520 / KDL-40EX521 / KDL-40EX523 / KDL-46EX520 / KDL-46EX521 / KDL-46EX523 Service Manual ▷ Download