Trouble Shooting - Sony XR-50X9 J Series Service Manual

2021/02/25 22:52:59 (GMT+09:00)
Triage Chart
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
B* Board
  
Power Board
G* Board
  
Receiver Board
H* Board
Speaker

Wifi & BT Module
Local Dimming
LD* Board
Board 
V By One FFC
Tcon
LCD Panel

Power Power LD (Communic ation)
Problem
Audio BCM
SAFETY NOTES
Symptoms - no shutdown
Error log record only
TU_
TU_ TCO FRCT
DEM
5 6 7 8 DEM N_E C_I2
OD_I
OD RR C
2C
     
■
■ 
 
 
■  ■
Panel Panel
(Bac klight) TEMP 4KBE
SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING
T R O U B L E S H O O T I N G
Video
No
Power - missing or distorted
Stationa
AUD 4KP TEM EAR
Does not reponse ry No video
_ER Q_E P_ER C_ER
to remote (Dead c olored One of
R_I2 RR_I R_I2 R_I2
Set) lines or Inputs
C 2C C C
dots
     





SERVICE ADJUSMENT
Remote Network Audio
Wireless
NO RF No video all
No Remote c an't No Audio
input Inputs
c onnec t
    
▲ 





■
■
DIAGRAMS
Smart Core Bluetooth (BT) Built in MIC
Bluetooth / One Step
Smart Core no LED "OK Google"
Remote (OSR) c an't
(Set is still alive) detec tion fail
c onnec t
  
 

16 16
HANDLING GUIE
SYS SET