XBR-46HX929, XBR-55HX920, XBR-55HX929 - Sony TV Service Manual (repair manual). Page 87

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XBR-46HX929/55HX920/55HX929 B-2
APPENDIX B - TRIAGE SHEETS
XBR-55HX920 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 technical guides to isolate the board.
RED DOT: Most likely defective part  
LAST UPDATED: 10/10/2011
 
No
Power
WIRELESS
LAN
Remote Audio
2
3
4*
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. No.
BATL BOARD
 
205
G6 BOARD
 
206
G7 BOARD
207
HLT2 BOARD
256
HEM2 BOARD
 
156
WIRELESS LAN CARD
151
Service Bulletin
See Appendix Section
Software Update
TCON Board
LCD Panel
 
 
 Problem
POWER AUDIO/
POWER
BACK-
LIGHT
BACK-
LIGHT
TCON
CONV
TEMP
WDT
IR 
SYNC
Reference 
 
Symptoms - Shutdown. Power LED
blinking red diagnostics sequences
5. Chart Color Code
* ONLY IF 7X SHUTDOWN OCCURS IMMEDIATLEY 
BLUE TRIANGLE:  Secondary possible defective part
 
*4X WITH MOMENTARY BACKLIGHTING
**4X WITH N O BACKLIGHTING
Video
See LCD Panel 
Manual
See Reference 
Library
FIGURE APPENDIX B-2.  XBR-55HX920 MODELS ONLY
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