Sony XR-55A75L User Manual

16
Triage Chart: XR-*A80L / *A80CL / XR-*A75L
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:

: Most likely defective part

: Secondary possible defective part
■
: Tertiary possible defective part
BLACK TEXT: Board that may correct the symptom
TROUBLESHOOTING
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
TU_
DEMOD
_I2C
TCON_
ERR
FRCTC
_I2C
AUD_
ERR_I
2C
4KPQ
_ERR
_I2C
TEMP_
ERR_I2
C
EARC
_ERR
_I2C
AMB_
ERR_I
2C
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 of
Camera
No
video
all
Inputs
No
Remote
Operation
Cannot
connect to
Wireless
Network
No
Audio
Smart Core
no LED
(Set is still
alive)
Bluetooth /
One Step
Remote
(OSR) can't
connect
Main Board
 
■ ■ ■
   
▲
          
Power Board
 
■ ■ ■

▲

Receiver Board
   
Speaker
 
Wi-fi & BT
Module
 
V By One FFC
  
T-con
▲
 
■
OLED Panel

▲

▲

■
Camera
(bundle or
accessory)

Problem
Power Power Panel
Panel
(Communication)
Panel
(Backlight) TEMP 4KBE
Audio LD T-con
SYSSET
2023/11/2806:39:49(GMT+09:00)

Sony XR-55A75L Specifications

General

Brand	Sony
Model	XR-55A75L
Category	OLED TV
Language	English