Read Sony KDL-65W850A Service Manual online
KDL-65W850A 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.
No
Power
WIRELESS
LAN
Remote
2X 3X 4X 5X 6X 7X 8X
No Green
Power LED
(Dead set)
No
Video
Whole
Screen
Distortion
Isolated
Area
Distortion
No 3D
Doble
Images
on 3D
Not working
No
Remote
MAIN BOARD
*
▲
POWER SUPPLY
LCD Panel
TCON
▲
▲
CONVERTER
▲
SOFWARE UPDATE
HIF2 BOARD
BT BOARD
KD BOARD
WIFI
Problem
POWER
AUDIO/
POWER
POWER
BACK-
LIGHT
TCON
CONV
TEMP
COMM
ERR
4. Follow the associated flowcharts in the Training Manual to isolate the board.
Board Reference
*NOTE: REFER TO LCD PANEL SERVICE MANUAL IN
REFERENCE LIBRARY DATABASE FOR CORRECT
REPLACEMENT PARTS BASED ON SERIAL NUMBER.
Symptoms - Shutdown. Power LED
blinking red diagnostics sequences
Video
* Immediate Shutdown After Power ON & 7X
Audio
No Audio
▲
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.
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