Sony GN3TR - Troubleshooting Guide; Triage and Initial Diagnosis

XBR-49/55/65/75X900E
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
18
Reference
Symptoms - Shutdown. Power LED
blinking red diagnostics sequences
Symptoms - no shutdown
Error log record only
No
Power
Video
- missing or distorted
Remote Network Audio Smart Core Bluetooth (BT)
2 3 4 5 6 7 8
TU_
DEMOD
TCON_
ERR
FRCTC
_I2C
AUD_
ERR
_I2C
4KPQ
_ERR
_I2C
No White
Power LED &
does not
respond to
remote
(Dead Set)
Stationary
colored
lines or
dots
No video
One of
Inputs
NO RF
input
No video
all Inputs
No
Remote
Wireless
can't connect
No Audio
Smart Core no LED
(Set is still alive)
Bluetooth / One
Step Remote
(OSR) can't
connect
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      
Problem
Power Power LD
Panel
(Communication)
Panel
(Backlight) TEMP
4KPQ
Audio BCM