Read Sony KDL-40NX720 / KDL-46NX720 / KDL-55NX720 / KDL-60NX720 Service Manual online
KDL-40NX720/46NX720/55NX720/60NX720 C-1
APPENDIX C - TRIAGE SHEETS
The following Triage documents are for general reference purposes. To access the most recent version of theTriage documents for the models
listed in this manual, login into the Sony Authorized Servicer Portal at
www.sony.com/asp
.
KDL-40NX720 ONLY
Before you make the service call…
1. Confirm the symptom from the customer.
Chassis: AZ2-F
2. Select that symptom from the chart.
3. Bring
ONLY THE MOST LIKELY PART
for that symptom.
4. Follow the troubleshooting charts in the in the technical guides to isolate the board.
5. Chart Color Code
5. Chart Color Code
RED DOT: Most likely defective part
LAST UPDATED: 9/15/2011
BLUE Triangle: Secondary Possible defective part
No
Power
Wireless
LAN
Remote Audio
2X 3X 4X*
4X** 5X 6X 7X 8X 10X
No Green
Power LED
(Dead Set)
No
Video
Whole
Screen
Distortion
Isolated
Area
Distortion
No 3D
Double
images
on 3D
Not Working
No Remote No Audio
REF #
Main Board
▲
▲
251
Power Supply
152
HEM2 Board
105
HLT2 Board
302
LD Board
151
Service Bulletin
Software Update
Wireless LAN Card
108
TCON Board
▲
▲
LCD Panel
▲
▲
Problem
POWER AUDIO/
POWER
BACK-
LIGHT
BACK-
LIGHT TCON CONV TEMP
WDT
IR
SYNC
Sony KDL-40NX720 Technical Triage Summary Sheet
Reference
* ONLY IF 7X SHUTDOWN OCCURS IMMEDIATELY
Symptoms - Shutdown, Power Led
blinking red diagnostics sequences
Video
*4X WITH MOMENTARY BACKLIGHTING
**4X WITH NO BACKLIGHTING
See LCD
Panel
Manual
See
Reference
Library
FIGURE APPENDIX C-1. KDL-40NX720 MODELS ONLY
Click on the first or last page to see other KDL-40NX720 / KDL-46NX720 / KDL-55NX720 / KDL-60NX720 service manuals if exist.