17
SAFETY NOTES SELF DIAGNOSIS FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE
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.
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
_I2C
4KPQ
_ERR
_I2C
TEMP
_ERR
_I2C
EARC
_ERR
_I2C
AMB
_ERR
_I2C
No White
& does not
respond to
remote
(Dead Set)
colored
lines or
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
no LED
(Set is still
alive)
Step Remote
(OSR) can't
connect
Main Board
■ ■
▲
Power Board
■ ■
▲
Receiver Board
●
Speaker
Wi-Fi & BT
Module
LD-Board
V By One FFC
T-con
■
LCD Panel
▲
▲
■
■
Camera
(accessory)
■
Problem
Power Power Panel
Panel
(Communication)
Panel
(Backlight)
4KBE
Audio LD T-con
: Most likely defective part
: Secondary possible defective part
■
: Tertiary possible defective part
BLACK TEXT: Board that may correct the symptom
TROUBLESHOOTING
SYSSET
2022/04/1901:21:05(GMT+09:00)