Sony KDL-40EX520 Service Manual page 82

Before you make the service call...
1. Confirm the symptom from the customer.
2. Select that symptom from the chart.
3. Bring
4. Follow the troubleshooting charts in the technical guides to isolate the board.
5. Chart Color Code
RED DOT: Most likely defective part
BLUE TRIANGLE: Secondary possible defective part
Symptoms - Shutdown. Power LED
blinking red diagnostics sequences
Reference
2
BATV BOARD
GE3A BOARD

HLR2 BOARD
Wireless LAN Card
TCON Board
LCD Panel
Problem
POWER
KDL-32EX421/32EX423/32EX520/32EX521/32EX523/40EX520/40EX521/40EX523/46EX520/46EX521/46EX523 B-11
Sony KDL46EX523
ONLY THE MOST LIKELY PART for that symptom.
3 4 5 6 *7
    
  


AUDIO/ BACK- BACK-
POWER LIGHT TCON LIGHT TEMP
FIGURE APPENDIX B-11. KDL-46EX523 MODELS ONLY
APPENDIX B - TRIAGE SHEETS
Technical Triage Summary Sheet
No
Power
Green LED Blinking No Green
Constantly ON/OFF Power LED No video
Cycling (Dead Set)
▲


▲
 
* ONLY IF 7X SHUTDOWN OCCURS IMMEDIATLEY
LAST UPDATED:
WIRELESS
LAN
Video Remote
Whole Isolated
No
Screen area Not Working
Remote
Distortion Distortion
 
 

▲


Chassis:
AZ2F
4/12/2011
Audio
REF #
No Audio

151
101
153
106
N/A
202