Read Sony KDL-46HX850 / KDL-55HX850 Service Manual online
KDL-46HX850/55HX850 9
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.
Before you make the service call…
1. Confirm the symptom from the customer.
2. Select that symptom from the chart.
▲
3. Bring the primary component listed for that symptom.
3D LAN
Power
Audio
2X 3X 4X
5X 6X
7X
8X
10X
No
WIFI
Dead set
No Video
Whole
Screen
Distortion
Isolated
Area
Distortion
No 3D
No Audio
Main Board
*
▲
▲
▲
▲
Power Supply
HL
HEM3
LCD Panel
TCON
▲
▲
SERVICE BULLETIN
SOFTWARE UPDATE
WLAN
BLUE Triangle: (Secondary) Possible defective part
5. Chart Color Code
RED DOT: (Primary) Most likely defective part
Video
Protection Modes
4. Follow the associated flowcharts in the Training Manual to isolate the board.
Board Reference
* 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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