Read Sony KDL-42W650A Service Manual online
KDL-42W650A 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.
LAN Power
Audio
2X 3X 4X 5X 6X 7X 8X No
WIFI
Dead set
No
Video
Whole
Screen
Distortion
Isolated
Area
Distortion
No Audio
MAIN BOARD
*
▲ ▲
▲
▲
LCD PANEL
TCON
▲
▲
SERVICE BULLETIN
▲
SOFWARE UPDATE
WLAN
Video
Protection Modes
4. Follow the associated flowcharts in the Training Manual to isolate the board.
Board
* Immediate Shutdown After Power ON & 7X
*NOTE: REFER TO LCD PANELS SERVICE MANUAL IN
REFERENCE LIBRARY DATABASE FOR CORRECT
REPLACEMENT PARTS BASED ON SERIAL NUMBER.
LD BOARD
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http://www.sony.com/asp
.
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