Triage Chart - Sony KDL-42W805A Repair Manual

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.
2. Select that symptom from the chart.
3. Bring the primary component listed for that symptom.
4. Follow the associated flowcharts in the Training Manual to isolate the board.
5. Chart Color Code.
Board
MAIN BOARD
POWER SUPPLY
LCD Panel
TCON
SERVICE BULLETIN
SOFWARE UPDATE
WLAN
*NOTE: REFER TO LCD PANEL SERVICE MANUAL IN
REFERENCE LIBRARY DATABASE FOR CORRECT
REPLACEMENT PARTS BASED ON SERIAL NUMBER.
KDL-42W805A/47W805A
Protection Modes
2X 3X 4X 5X 6X 7X
 *
 


SECTION 2 - TROUBLESHOOTING
Red Dot: (Primary) Most likely defective part.
Blue Triangle: (Secondary) Possible defective part.
LAN Power
No
No
8X
Dead set
WIFI Video
▲ ▲ ▲ ▲


▲

 

* Immediate Shutdown After Power ON & 7X
Video
Audio
Whole Isolated
Screen Area No Audio
Distortion Distortion
 

▲ ▲
5