Trouble Shooting; Triage - Sony ELF Series Service Manual

2021/07/13 22:44:19 (GMT+09:00)

TROUBLE SHOOTING

TRIAGE

1. Confirm the symptom from the customer.
2. Select that symptom from the chart.
3. Bring all the boards and cables listed for that symptom.
4. Follow the troubleshooting charts in the technical guides to isolate the board.
5. Chart Color Code.
RED DOT: Most likely defective part
BLUE TRIANGLE: Secondary possible defective part
GREEN SQUARE: Tertiary possible defective part
BLACK TEXT: Board that may correct the symptom
Reference
MAIN Board
KEY Board
AC Adapter
Speaker
Camera/ PC Application
MAIN-KEY Harness
LCD Panel-MAIN board Harness
Camera-Main board Cable
LCD Panel
(Glass&Panel ASSY)
Problem
ELF-SR1
Symptoms - Shutdown. Power LED
blinking red diagnostics sequences
2 3 4 5
   


 
Panel Panel
Audio Temperature
(T-con Power) (Backlight)
No Video
Power - missing or distorted
No White Power LED &
Stationary colored No video HDMI
does not respond to Power
lines or dots Inputs
key

 


■
 
 
3D Picture Image
Abnormal picture No 3D Crosstalk
 

 

■
  
Audio
No Audio


15
SYS SET