Power Led Blinking Timing Chart; Method Of Detecting Sos - Panasonic TH-49D400A Service Manual

6.2.

Power LED Blinking timing chart

1. Subject
Information of LED Flashing timing chart.
2. Contents
When an abnormality occurs, the protection circuit will operate and reset the unit to stand by mode. During this time, the
defective block can be identified by the number of blinking times of the Power LED on the front panel of the unit as follow:
6.3.

Method of detecting SOS

1. BL_SOS
Detection beginning after one second pass from 'BL_ON'=ON
2. TV_SOS
Detection beginning after one second pass from 'AMP_SHUTDOWN'=ON
3. SOUND_SOS
Detection beginning 'AMP_SHUTDOWN'=ON
Priority Name
1 BL_SOS
2 TV_SOS
3 SOUND_SOS
Factor
SOS from PANEL inverter
TCON power down
SOS from audio AMP
11
TH-49D400A/TH-49D400Z
R_LED Blink
1
3
9