Sony KDL-32EX655, Service Training Manual

Page: 19 / 52

KDL-32EX655/40EX655/46EX655 10
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.
2. Select that symptom from the chart.

RED DOT: (Primary) Most likely defective part
3. Bring the primary component listed for that symptom.
▲
BLUE Triangle: (Secondary) Possible defective part
o i d u A r e w o P N A L
2X 3X 4X 5X 6X 7X 8X
No
WIFI
Dead set No Video
Whole
Screen
Distortion
Isolated
Area
Distortion
No Audio
Main Board


*
▲ ▲ ▲ ▲
 
Power Supply
  
HL
LCD Panel
▲

TCON
 
▲ ▲
SERVICE BULLETIN

SOFTWARE UPDATE

WLAN

5. Chart Color Code
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.