Sony KD-49X7 D Series Service Manual page 13

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.
Symptoms - Shutdown. Power LED
blinking red diagnostics sequences
Reference
2 3 4
B* Board
  
DPA Board
  
(QX only)
G*
  
Board/ADP
H* Board
Speaker

Tuner board
(Except QX)
Wifi & BT
Module
LD* Board
  
V By One
FFC
Tcon
LCD Panel

Problem
Power Power LD
Audio
Symproms - no
shutdown
Error log record
only
TU_ TCO
5 6 7 8 DEM N_E
OD RR
     
    
 

 
 

 
Panel Panel
(Commu (Backli
nication) ght) TEMP 4KBE
No Video
Power - missing or distorted
No White No
Statio
Power LED video
FRC AUD_E nary
& does not One
TC_ RR_I2 colore
reponse to of
I2C C
d lines
remote Input
or dots
(Dead Set) s
    
   




 
 

Chart Color Code
RED DOT: Most likely defective part
BLUE TRIANGLE: Secondary possible defective part
BLACK TEXT: Board that may correct the symptom
Remote Network Audio
No
Wireless
NO RF video No
can't No Audio
input all Remote
connect
Inputs
    
 




 



Bluetooth
Skype Smart Core
(BT)
Bluetooth /
One Step
Skype Smart Core
Remote
Can't no LED (Set
(OSR)
Work is still alive)
can't
connect
  

 
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