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Power Led Blinking Timing Chart; No Power - Panasonic TH-P42ST30D Service Manual

Plasma television
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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.
7.3.

No Power

First check point
There are following 3 states of No Power indication by power LED.
1. No lit.
2. Green is lit then turns red blinking a few seconds later. (See 7.2.)
3. Only red is lit.
Blinking Times
1
Panel information SOS
LP1 Start SOS
3
P+ 3.3V SOS
4
Power SOS
5
P+ 5V SOS
6
Driver SOS1
(SN Energy recovery circuit)
(A-SN FPC DET)
7
Driver SOS2
(SN Connector DET)
(SN Scan and Logic IC)
8
Driver SOS3
(SS FPC DET)
(SS Energy recovery circuit)
9
Discharge Control SOS
10
Sub 5V SOS
Sub 3.3V SOS
Tuner power SOS
11
FAN SOS
12
Sound SOS
13
Emergency SOS
14
IROM SOS (ROM in Peaks IC)
Contents
19
Check point
-
A-Board
P-Board
A-Board
SN-Board
A-SN FPC
SN-Board
SS-Board
SS2-Board
SS FPC
SS2 FPC
A-Board
A-Board
SN-Board
SS-Board
P-Board
A-Board
FAN
A-Board
Speaker
A-Board
A-Board
P-Board

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