Read Sony KDL-50W655A Service Manual online
KDL-50W655A 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.
LAN
Power
Audio
2X 3X 4X 5X 6X 7X No
WIFI
Dead
Set
No
Video
No Audio
MAIN BOARD
*
▲
▲
▲
LCD PANEL
TCON
▲
▲
SERVICE BULLETIN
▲
SOFTWARE
WLAN
Video
Protection Modes
Board
LD BOARD
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.
4. Follow the associated flowcharts in the Training Manual to isolate the board.
Whole
Screen
Distortion
Isolated
Area
Distortion
* Immediate Shutdown After Power ON & 7X
*NOTE: REFER TO LCD PANEL SERVICE MANUAL IN
REFERENCE LIBRARY DATABASE FOR CORRECT
REPLACEMENT PARTS BASED ON SERIAL NUMBER.
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