Read Sony KDL-46HX820 / KDL-55HX820 (serv.man2) Service Manual online
KDL-46HX820/55HX820 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-46HX820 ONLY
Before you make the service call…
1. Confirm the symptom from the customer.
Chassis: AZ2F
2. Select that symptom from the chart.
3. Bring
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
No
Power
WIRELESS
LAN
Remote Audio
2
3
4
5
6
*7
8
10
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
▲
155
POWER SUPPLY
BOARD
156
HLT2 BOARD
202
HEM2 BOARD
105
WIRELESS LAN CARD
108
Service Bulletin
See Appendix Section
Software Update
TCON Board
▲
▲
LCD Panel
Problem
POWER
AUDIO/
POWER
BACK-
LIGHT
TCON
CONV
TEMP
WDT
IR
SYNC
Sony KDL46HX820 Technical Triage Summary Sheet
Reference
5. Chart Color Code
BLUE TRIANGLE: Secondary possible defective part
* ONLY IF 7X SHUTDOWN OCCURS IMMEDIATLEY
Video
See LCD Panel
Manual
See Reference
Library
Symptoms - Shutdown. Power LED
blinking red diagnostics sequences
FIGURE APPENDIX C-1. KDL-46HX820 MODELS ONLY
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