Read Sony KDL-32BX320 / KDL-32BX321 / KDL-32BX420 / KDL-32BX421 / KDL-40BX420 / KDL-40BX421 / KDL-46BX420 / KDL-46BX421 Service Manual online
KDL-32BX320/32BX321/32BX420/32BX421/40BX420/40BX421/46BX420/46BX421 A-11
Before you make the service call…
LAST UPDATED:
5/25/11
No
Power
Remote Audio
2
3
5
6
7
No Green
Power LED
(Dead Set)
Stationary
colored
lines or
dots
Video 2
0nly
Tuner
Only
No video
all Inputs
No
Remote No Audio
Part #
REF #
A BOARD
▲
1-857-903-51
655
G3 BOARD
▲
▲
1-474-296-11
656
H BOARD
1-857-898-21
308
LCD Panel
▲
▲
▲
SEE LCD PANEL
MANUAL
Problem
POWER POWER PANEL
INV
TEMP
Power LED
blinking red diagnostics
Reference
Sony KDL46BX420 Technical Triage Summary Sheet
4. Follow the troubleshooting charts in the technical guides to isolate the board.
AZ2UK
CHASSIS:
5. Chart Color Code
Video - missing or distorted
1. Confirm the symptom from the customer.
RED DOT: Most likely defective part
BLACK TEXT: Board and Part # that may correct the symptom
BLUE TRIANGLE: Secondary possible defective part
3. Bring all the boards listed for that symptom.
2. Select that symptom from the chart.
FIGURE APPENDIX A-11. KDL-46BX420 MODELS ONLY
FOR SERIAL RANGES LISTED BELOW:
KDL-46BX420
6000001 - 7400000
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