Troubleshooting - Sony KD-43X85K Manual

2022/04/19 01:21:05 (GMT+09:00)

TROUBLESHOOTING

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 Color Code: : Most likely defective part

: Secondary possible defective part

Symptoms - Shutdown. Power LED
blinking red diagnostics sequences
Reference
2 3 4
Main Board


Power Board
 
Receiver Board
Speaker

Wi-Fi & BT
Module
LD-Board
V By One FFC
T-con
LCD Panel
Camera
(accessory)
Power Power Panel
(Communication)
Problem
Audio LD
SAFETY NOTES
■
BLACK TEXT: Board that may correct the symptom
TU_
TU_ TCON
5 6 7 8 DEMOD
DEMOD _ERR
_I2C
■ ■
 
■ ■


▲ ▲

Panel Panel
TEMP 4KBE
(Backlight)
T-con
SELF DIAGNOSIS FUNCTION
: Tertiary possible defective part
Symptoms - no shutdown
Error log record only
AUD 4KPQ TEMP EARC AMB
FRCTC
_ERR _ERR _ERR _ERR _ERR
_I2C
_I2C _I2C _I2C _I2C _I2C
▲


●


■
■
TROUBLESHOOTING SERVICE ADJUSTMENT
No Video
Remote Network Audio
Power - missing or distorted
No White
No
Power LED Stationary No
video NO No No
& does not colored video
One RF video of Remote
respond to lines or all
of input Camera Operation
remote dots Inputs
Inputs
(Dead Set)
   
  

▲
 
 
 ■
 ■

DIAGRAM
Smart Bluetooth
Core (BT)
Cannot Smart Core Bluetooth / One
connect to No no LED Step Remote
Wireless Audio (Set is still (OSR) can't
Network alive) connect
  




 
17
HANDLING GUIDE
SYS SET