Troubleshooting - Sony KD-55X95 G Series Service Manual

2019/01/15 23:07:08 (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 Colour 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
B* Board  

G* Board
  
H* Board
Speaker 
Wifi & BT
Module
LD* Board 
V By One FFC
Tcon
LCD Panel 
Power Power LD
Problem
Audio BCM
Symptoms - no shutdown
Error log record only
TU_
TU_
DEM TCON
5 6 7 8 DEM
OD_ _ERR
OD
I2C
■
 
   
■

 
 
■

Panel TEM 4KB
Panel
(Backlight) P E
(Communication)
SECTION 3

TROUBLESHOOTING

No
Power
No White
Power LED
FRC AUD_ 4KPQ TEMP EARC
& does not
TC_ ERR_ _ERR _ERR _ERR
reponse to
I2C I2C _I2C _I2C _I2C lines or dots
remote
(Dead Set)

  


■
Video
Remote Network
- missing or distorted
No
Stationary Wireless
video NO RF No video No
colored
One of input all Inputs Remote
connect
Inputs
 
  



 
■

■

Bluetooth
Audio Smart Core
(BT)
Bluetooth / One
Smart Core no
Step Remote
can't No Audio LED (Set is still
(OSR) can't
alive)
connect
  




 
18
SYS SET