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
Reference
2
BATV BOARD
GE2A BOARD
HLR2 BOARD
Wireless LAN Card
TCON Board
LCD Panel
Problem
POWER
KDL-32EX421/32EX423/32EX520/32EX521/32EX523/40EX520/40EX521/40EX523/46EX520/46EX521/46EX523
Sony
KDL32EX523
ONLY THE MOST LIKELY PART
for that symptom.
Symptoms - Shutdown. Power LED
blinking red diagnostics sequences
3
4
5
6
AUDIO/
BACK-
BACK-
POWER
LIGHT
TCON
LIGHT
TEMP
FIGURE APPENDIX B-5. KDL-32EX523 MODELS ONLY
APPENDIX B - TRIAGE SHEETS
Technical Triage Summary Sheet
No
Power
No Green
Green LED
Power LED
No video
Constant ON
(Dead Set)
*7
▲
▲
* ONLY IF 7X SHUTDOWN OCCURS IMMEDIATLEY
Chassis:
LAST UPDATED:
WIRELESS
LAN
Video
Remote
Whole
Isolated
No
Screen
area
Not Working
Remote
Distortion
Distortion
▲
AZ2F
4/12/2011
Audio
REF #
No Audio
151
101
153
106
N/A
202
B-5