Read Sony KDL-40R450A / KDL-46R450A Service Manual online
KDL-40R450A/46R450A 5
SECTION 2 - TROUBLESHOOTING
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.
RED Dot: (Primary) Most likely defective part.
2. Select that symptom from the chart.
BLUE Triangle: (Secondary) Possible defective part.
3. Bring the primary component listed for that symptom.
5. Chart Color Code.
Power
Audio
2X 3X 5X 6X
Dead set
No
Video
Whole
Screen
Distortion
Isolated
Area
Distortion
No Audio
MAIN BOARD
▲
▲
POWER SUPPLY
LCD PANEL
TCON
▲
▲
Video
Protection Modes
4. Follow the associated flowcharts in the Training Manual to isolate the board.
Board
*NOTE: REFER TO LCD PANEL SERVICE MANUAL IN REFERENCE LIBRARY DATABASE
FOR CORRECT REPLACEMENT PARTS BASED ON SERIAL NUMBER.
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.
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