T R O U B L E S H O O T I N G
19
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
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
Chassis : AS Segment
No
Power
Remote
Network
Audio
Smart
Core
Bluetooth
(BT)
2
3
4
5
6
7
8
TU_DEMO
D
TU_DEMO
D_I2C
TCON_ER
R
FRCTC_I2
C
AUD_ERR
_I2C
4KPQ_ER
R_I2C
TEMP_ER
R_I2C
EARC_ER
R_I2C
8KBE_CO
M_ERR
AMB_ERR
_I2C
No White
Power LED &
does not
reponse to
remote (Dead
Set)
Stationary
colored lines
or dots
No video One
of Inputs
NO RF input
No video all
Inputs
No Remote
Cannot
connect to
Wireless
Network
No Audio
Smart Core no
LED (Set is
still alive)
Bluetooth /
One Step
Remote (OSR)
can't connect
B* Board
■
■
■
●
▲
G* Board
■
■
▲
H* Board
●
Actuater
(Panel module)
Speaker
(Sub woofer)
Wifi & BT Module
V By One FFC
Tcon
(Panel module)
▲
■
OLED Panel
(Panel module)
●
▲
▲
■
TSP Board
Power
Power
Panel
module
Panel
(Communicati
on)
Panel
Power
TEMP
4KBE
Audio
Tcon
Power
Tcon
Problem
Reference
Symptoms - Shutdown. Power LED
blinking red diagnostics sequences
Symptoms - no shutdown
Error log record only
Video
- missing or distorted
Main Board
Power Board
Receiver Board
SAFETY NOTES
SELF DIAGNOSTIC FUNCTION
TROUBLESHOOTING
SERVICE ADJUSTMENT
DIAGRAM
HANDLING GUIDE
19
SYS SET
2021/02/04 23:38:48 (GMT+09:00)