Sony KDL-32BX320 Service Training Manual page 69

Sony KDL32BX421 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
blinking red diagnostics
Reference
A BOARD
G13 BOARD 
H BOARD
LCD Panel ▲
Problem
POWER POWER PANEL
KDL-32BX320/32BX321/32BX420/32BX421/40BX420/40BX421/46BX420/46BX421
y p
Power LED
No
Power
No Green
Power LED
2 3 5 6 7
(Dead Set)
    ▲
▲ ▲

 
 
INV TEMP
FIGURE APPENDIX A-3. KDL-32BX421 MODELS ONLY
Video - missing or distorted Remote
Stationary
Video 2 No video No
colored lines Tuner Only
0nly all Inputs Remote
or dots
  
 
▲ ▲
CHASSIS: AZ2UK
LAST UPDATED: 1/18/11
Audio
REF #
No Audio
Part #
1-857-903-41
(FOR US/CND MODELS)

1-857-903-31
(FOR MX/LA MODELS)
155
1-474-297-12
156
1-857-898-21
SEE LCD PANEL
MANUAL
57
A-3