Triage Chart - Sony KDL-40W590B Service 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.
Symptoms - Shutdown. Power LED blinking
Board Reference
2X
▲
MAIN BOARD
TUNER BOARD
LCD PANEL
TCON
LVDS FFC
H BOARD
SPEAKER
LD BOARD
BT BOARD
WIFI
Problem
POWER
*NOTE: REFER TO LCD PANELS SERVICE MANUAL IN REFERENCE LIBRARY DATABASE
FOR CORRECT REPLACEMENT PARTS BASED ON SERIAL NUMBER.
To access the most recent version of the Triage documents for the models listed in this manual, login into the Sony Authorized Service Portal
at http://www.sony.com/asp.
KDL-40W590B/40W600B/48W590B/48W600B
red diagnostics sequences
3X 4X 5X 6X 7X 8X
▲ ▲
  
▲ ▲
▲
  
▲ ▲

▲ ▲
▲


AUDIO/ BACK- SOFT-
LD TCON TEMP
POWER LIGHT WARE
SECTION 2 - TROUBLESHOOTING
Red Dot: (Primary) Most likely defective part.
Blue Triangle: (Secondary) Possible defective part.
No
Video
Power
No White Steady No Video
9X 10X
Power lines or One of
LED dots Inputs
▲ ▲

▲
 

▲ ▲
▲
EMIT-
TER
Network
Remote
Wireless Bluetooth
No Video
No Remote can't can't
All Inputs
connect connect
▲ ▲ ▲


▲
▲
▲
▲


Smart
Audio
Core
No
No LED
Audio
▲

▲
 

5