Sony KDL-32BX320 Service Training Manual page 72

Reference
A BOARD
G3 BOARD
H BOARD
LCD Panel
Problem
KDL-32BX320/32BX321/32BX420/32BX421/40BX420/40BX421/46BX420/46BX421
Sony KDL46BX420 Technical Triage Summary Sheet
Before you make the service call...
1. Confirm the symptom from the customer.
2. Select that symptom from the chart.
3. Bring all the boards listed for that symptom.
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
BLACK TEXT: Board and Part # that may correct the symptom
y p
Power LED
No
blinking red diagnostics Power
No Green
Power LED
2 3 5 6 7
(Dead Set)
▲
   
▲ ▲
 
 
▲  
POWER POWER PANEL INV TEMP
FIGURE APPENDIX A-6. KDL-46BX420 MODELS ONLY
Video - missing or distorted Remote
Stationary
Video 2 No video No
colored lines or Tuner Only
0nly all Inputs Remote
dots
  
 
▲ ▲
CHASSIS: AZ2UK
LAST UPDATED: 1/18/11
Audio
REF #
No Audio
Part #

1-857-903-51 155
1-474-296-11
156
1-857-898-21
57
SEE LCD PANEL
MANUAL
A-6