Sony KD-43X7 H Series Service Manual page 16

2020/12/12 02:35:59 (GMT+09:00)
Triage Chart
Sony KD-* Technical Triage Summary Sheet
Before you make the service call...
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
Symptoms - Shutdown. Power LED
blinking red diagnostics sequences
Reference
2 3 4
Main Board
 
Receiver Board
Speaker 
Wifi & BT
Module
Power Board

VBO FFC
Tcon
LCD Panel
SAFETY NOTES SELF DIAGNOSTIC FUNCTION
T R O U B L E S H O O T I N G
5 6 8 9 10
 



 
TROUBLESHOOTING
S E C T I O N 3
Video
No
- missing or Remote
Power
distorted
No White
Power LED & Stationar
No video No video
does not y colored
One of all
response to lines or Remote
Inputs Inputs
remote (Dead dots
Set)
   


 
 
 
SERVICE ADJUSTMENT
CHASSIS: NR 55 / 65 / 75
Network Audio
No Wireless Smart Core no LED
No Audio
can't connect (Set is still alive)
  



DIAGRAMS PANEL HANDLING
Smart Core Bluetooth (BT)
Bluetooth / One
Step Remote (OSR)
can't connect
 


16
FACTORY DATA RESET
SYS SET