19
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.
Blinking Times
Contents
Check point
1
Panel information SOS
PD Start SOS
-
2
P+15V SOS
A-Board
P-Board
3
IROM BOOT PROGRAM SOS
A-Board
P-Board
4
Power SOS
P-Board
6
Driver SOS1
(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-Board
8
Driver SOS3
(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
BE SOS
A-Board
SN-Board
SS-Board
P-Board
12
Sound SOS
A-Board
Speaker
Woofer
13
Emergency SOS
A-Board
20
2nd BOOT PROGRAM SOS
(Watchdog timer over flow)
A-Board
21
2nd BOOT PROGRAM SOS
(System error)
A-Board
22
2nd BOOT PROGRAM SOS
(Main system bus freeze)
A-Board
23
2nd BOOT PROGRAM SOS
(Accidental interrupt signal)
A-Board
24
2nd BOOT PROGRAM SOS
(NAND Flash memory data transfer error finish)
A-Board
25
2nd BOOT PROGRAM SOS
(Unsupported NAND Flash memory)
A-Board
Summary of Contents for TH-P42ST50H
Page 21: ...21 7 4 No Picture...
Page 32: ...32...
Page 38: ...38...
Page 40: ...40 11 3 Wiring 2 11 4 Wiring 3...
Page 41: ...Model No TH P42ST50H Schematic Diagram Note S 1...
Page 42: ...Model No TH P42ST50H Replacement Parts List Note S 2...
Page 43: ...Model No TH P42ST50H P Board 1 4 S 3...
Page 44: ...Model No TH P42ST50H P Board 2 4 S 4...
Page 45: ...Model No TH P42ST50H P Board 3 4 S 5...
Page 46: ...Model No TH P42ST50H P Board 4 4 S 6...
Page 47: ...Model No TH P42ST50H A Board 1 16 S 7...
Page 48: ...Model No TH P42ST50H A Board 2 16 S 8...
Page 49: ...Model No TH P42ST50H A Board 3 16 S 9...
Page 50: ...Model No TH P42ST50H A Board 4 16 S 10...
Page 51: ...Model No TH P42ST50H A Board 5 16 S 11...
Page 52: ...Model No TH P42ST50H A Board 6 16 S 12...
Page 53: ...Model No TH P42ST50H A Board 7 16 and K Board S 13...
Page 54: ...Model No TH P42ST50H A Board 8 16 S 14...
Page 55: ...Model No TH P42ST50H A Board 9 16 S 15...
Page 56: ...Model No TH P42ST50H A Board 10 16 S 16...
Page 57: ...Model No TH P42ST50H A Board 11 16 S 17...
Page 58: ...Model No TH P42ST50H A Board 12 16 S 18...
Page 59: ...Model No TH P42ST50H A Board 13 16 S 19...
Page 60: ...Model No TH P42ST50H A Board 14 16 S 20...
Page 61: ...Model No TH P42ST50H A Board 15 16 S 21...
Page 62: ...Model No TH P42ST50H A Board 16 16 S 22...
Page 63: ...Model No TH P42ST50H C1 Board 1 2 S 23...
Page 64: ...Model No TH P42ST50H C1 Board 2 2 S 24...
Page 65: ...Model No TH P42ST50H C2 Board 1 2 S 25...
Page 66: ...Model No TH P42ST50H C2 Board 2 2 S 26...
Page 67: ...Model No TH P42ST50H SN Board 1 5 S 27...
Page 68: ...Model No TH P42ST50H SN Board 2 5 S 28...
Page 69: ...Model No TH P42ST50H SN Board 3 5 S 29...
Page 70: ...Model No TH P42ST50H SN Board 4 5 S 30...
Page 71: ...Model No TH P42ST50H SN Board 5 5 S 31...
Page 72: ...Model No TH P42ST50H SS Board 1 2 S 32...
Page 73: ...Model No TH P42ST50H SS Board 2 2 and SS2 Board S 33...
Page 74: ...Model No TH P42ST50H P Board Foil Side S 34...
Page 75: ...Model No TH P42ST50H P Board Component Side S 35...
Page 76: ...Model No TH P42ST50H A Board Foil Side S 36...
Page 77: ...Model No TH P42ST50H A Board Component Side S 37...
Page 78: ...Model No TH P42ST50H K Board S 38...
Page 79: ...Model No TH P42ST50H C1 Board S 39...
Page 80: ...Model No TH P42ST50H C2 Board S 40...
Page 81: ...Model No TH P42ST50H SN Board Foil Side S 41...
Page 82: ...Model No TH P42ST50H SN Board Component Side S 42...
Page 83: ...Model No TH P42ST50H SS Board Foil Side S 43...
Page 84: ...Model No TH P42ST50H SS Board Component Side S 44...
Page 85: ...Model No TH P42ST50H SS2 Board S 45...
Page 120: ...Model No TH P42ST50H Exploded View 1 S 80...
Page 121: ...Model No TH P42ST50H Exploded View 2 S 81...
Page 122: ...Model No TH P42ST50H Accessories S 82...
Page 123: ...Model No TH P42ST50H Packing S 83...