Trouble Shooting; Triage - Sony X900E Series Service Manual

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
BLACK TEXT: Board that may correct the symptom
Symptoms - Shutdown. Power LED
blinking red diagnostics sequences
Reference
2 3 4 5
   
B* Board
G* Board
   
(75" only)
JK Board(ADP)
   
(Except 75")
H* Board

Speaker

Tuner board
Wifi & BT Module

LD* Board

V By One FFC

Tcon
 
LCD Panel
Panel
Power Power LD
(Communication)
Problem
Audio BCM
XBR-49/55/65/75X900E
Symptoms - no shutdown
Error log record only
AUD_
TU_ TCON_ FRCTC
6 7 8 ERR
DEMOD ERR _I2C
_I2C
      





 
Panel
(Backlight) TEMP 4KPQ
No Video
Power - missing or distorted
No White
Power LED & Stationary
4KPQ No video
does not colored NO RF No video
_ERR One of
respond to lines or input all Inputs
_I2C Inputs
remote dots
(Dead Set)
    



 



Remote Network Audio
No Wireless
No Audio
Remote can't connect
   









Smart Core Bluetooth (BT)
Bluetooth / One
Smart Core no LED Step Remote
(Set is still alive) (OSR) can't
connect
 


18