Triage Chart - Sony KDL-40BX455 Service Training Manual

TRIAGE CHART

Use this general Triage Chart to determine what may possibly be causing the error before going out to the customers location.
1. Confirm the symptom from the customer.
2. Select that symptom from the chart.
3. Bring the primary component listed for that sy
4. Follow the associated flowcharts in the Training Manual to isolate the board.
*NOTE: REFER TO LCD PANEL SERVICE
MANUAL IN REFERENCE LIBRARY DATABASE
FOR CORRECT REPLACEMENT PARTS BASED
ON SERIAL NUMBER.
KDL-32BX355/40BX455/46BX455
Protection Modes
Board
2X 3X 5X

Main Board

Power Supply
H
Inverter
 **
LCD Panel
SECTION 2 - TROUBLESHOOTING
5. Chart Color Code
RED DOT: (Primary) Most likely defective part
BLUE Triangle: (Secondary) Possible defective part
Power
6X 7X
Dead set No Video
▲ ▲
*

***
▲*

* TV Immediate Shuts Off After Power ON &
7X
***Backlight Does NOT Turn ON before TV
Shuts Off ▲* Secondary Component
**Backlight Turns ON before TV Shuts Off
Video
Audio
Whole Isolated
Screen Area No Audio
Distortion Distortion
  

10