Read Panasonic TX-P42ST60B / TX-P42ST60Y / TX-PR42ST60 (serv.man2) Service Manual online
18
7.2.
Power LED Blinking timing chart
1. Subject
Information of LED Flashing timing chart.
2. Contents
When an abnormality has occurred the unit, the protection circuit operates and reset to the stand by mode. At this time, the
defective block can be identified by the number of blinks of the Power LED on the front panel of the unit.
defective block can be identified by the number of blinks of the Power LED on the front panel of the unit.
Blinking Times
Contents
Check point
1
Panel information SOS
PD Start SOS
PD Start SOS
-
2
P15V SOS
A-Board
P-Board
P-Board
6
Driver SOS1
(SN Energy recovery circuit)
(A-SN FPC DET)
(SN Energy recovery circuit)
(A-SN FPC DET)
SN-Board
A-SN FPC
7
Driver SOS2
(SN Connector DET)
(SN Scan and Logic IC)
(SN Connector DET)
(SN Scan and Logic IC)
SN-Board
8
Driver SOS3
(SS FPC DET)
(SS Energy recovery circuit)
(SS FPC DET)
(SS Energy recovery circuit)
SS-Board
SS2-Board
SS FPC
SS2 FPC
9
Discharge Control SOS
A-Board
10
Sub 3.3V SOS
Tuner power SOS
Tuner power SOS
A-Board
SN-Board
SS-Board
SS-Board
P-Board
12
Sound SOS
A-Board
Speaker
Speaker
Woofer
13
Emergency SOS
A-Board
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