4-10. LED Indicator Test
4-10-1. Diagnostic Methods -
Flashing
Symptom Codes
After TV is "
COLD BOOTED
" (AC Power Re-Cycled), Flashing symptom codes will operate and show the defect block with
number of LED flash.
Place a mirror or phone directly under Standby LED to observe flashing.
Defect type and Number of LED flash
Defect
Block
Detection Method
Number of LED Flash
OCB
-
LED off
No Blinking
4 se
1 set 4 sec
4 sec
4 sec(10min)
4 sec(30sec)
Cold Boot
20~30sec
x 5 time
x 5 time
x 5 time
x 5 time
x 5 time
4 se
4 se
4 se
4 se
Blinks 1 time when cold boot
Main Board
WDC -> Reboot -> Flash
•
Error -> Flash
•
1 time
Panel
Error -> Reboot -> Flash
•
Error -> Flash(after 10cm)
•
2 time
SMPS
Error ->Reboot -> Flash
•
Error -> Flash
•
3 time
Bluetooth /
WIFI
Cold Boot -> 30 sec after
•
module starts
4 time
AOC
Cold Boot -> 30 sec after
•
module starts
Signal level below
•
threshold
5 time
How to COLD BOOT the TV
Method 1) Unplug and re-plug in the power cord.
•
Method 2) While TV is on, Press & Hold Power Button of TV remote for 4 seconds. TV will turn off and on by itself.
•
4-48
4. Troubleshooting
