Panasonic TH-50AS670S, Service Manual

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TH-50AS670S
13
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
Blinking times Contents & Check point
1 BL_SOS
3 IROM-SOS
6 FPGA_SOS
7 SUB_3.3V
8 SOS
9 SOUND_SOS
10 GCX/FRC_SOS
12 BE (sLD8/LD6/PRO4) SOS
13 Emergency SOS