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Audio Protector

AUDIO

7

Panel Error

PANEL

9

Power Error

POWER

6

(Not Detected.)

4

Power OVP

P_OVP

3

Panel Temp Error

TEMP

2

Contents

Display 

(Self Diagnosis mode )

Red LED 

Blink

When self diagnosis happens, STBY (RED LED) blinks and the history 

can be seen on display by self diagnosis mode.

*Self diagnosis Mode : “DISPLAY” +  “5” +  “VOL(-)”

Power On

→

FAN

FAN Error

TV micro (on AU board) is monitoring WE Micro (on BE2  board) is alive or not like watch 

dog timer. When WEM has not boot up, TVM try to re-start. We can see chassis reboot 
at this case. Check BE2  board has correct power or not. 

-

BE2

-

CN 4001 11V, 7V power an d harness to G1

-

F4300, F4301, F4302, F4303, F4304 conduction.

If power rail has no problem, replace BE2  board.

    board

This indicates Power OVP (Over Voltage Protection) of G board. TV Micro (IC8003, 
AU board) pin126 detects Power OVP and shuts down chassis power (STBY). See 
Power Supply and Inverter” document more detail.

This indicates Audio Error (Protector). It happens;

- IC8806 on AU board, Audio Amp detects over current, thermal shut down and/or low 
voltage of itself.

- DC voltage detected for speaker line.

Check above and replace AU board.

This indicates panel power circuit error such as inverter. DE micro on BE2 board 
detects it. See Power Supply and Inverter” document more detail for this error.