PDP-427CMX
33
5
6
7
8
5
6
7
8
C
D
F
A
B
E
In a case when no image from any input appears
Examination of the MAIN board
Failure in the power supply
unit, or PN1 cable broken
NO
YES
YES
YES
NO
Is a CLK signal input to Pin 12 of
IC8501? And are sync signals
input to Pins 55 and 57?
Is a DE signal input to Pin 58?
YES
YES
Is the voltage at Pin 51 of
IC8501 3.3 V DC?
Disconnect the cable from the
PN1 connector. Check if 3.3V
DC is output from Pin 1 of PN1.
Disconnect the cable from the
PN2 connector. Check if 2.5V
DC is output from Pin 1 of PN2.
Failure in the power supply
unit, or PN2 cable broken
NO
NO
NO
NO
Is the voltage at Pin 1 of PN2
connector 2.5 V DC?
YES
Is the voltage at Pin 4 of
IC8002 1.5 V DC?
Failure in the MAIN PWB
Failure in the MAIN PWB
Failure in the MAIN PWB
YES
NO
YES
Is the voltage at Pin 5 of
IC8003 1.5 V DC?
NO
YES
Is a CLK signal input to Pin 3
of X8001?
Is a CLK signal input to Pin 3
of X8002?
NO
YES
YES
Failure in the IC8501
NO
• Reset discharge is occurred.
• Mask is displayed.
• DSD is not displayed.
Diagnosis of Panel Module
Failure in the IC8002
Failure in the IC8003
Failure in the X8001
Failure in the X8002
Waveform 33
Waveform 34
Waveform 35
Summary of Contents for PDP-42MXE20
Page 15: ...PDP 427CMX 15 5 6 7 8 5 6 7 8 C D F A B E ...
Page 19: ...PDP 427CMX 19 5 6 7 8 5 6 7 8 C D F A B E ...
Page 80: ...PDP 427CMX 80 1 2 3 4 1 2 3 4 C D F A B E 7 SCHEMATIC DIAGRAM 7 1 MAIN ASSY CPU BLOCK 1 13 ...
Page 81: ...PDP 427CMX 81 5 6 7 8 5 6 7 8 C D F A B E MAIN ASSY 1 13 CPU BLOCK Lithium Battery ...
Page 82: ...PDP 427CMX 82 1 2 3 4 1 2 3 4 C D F A B E 7 2 MAIN ASSY Interface BLOCK 2 13 ...
Page 83: ...PDP 427CMX 83 5 6 7 8 5 6 7 8 C D F A B E MAIN ASSY 2 13 Inerface BLOCK ANALOG RGB OUT ...
Page 85: ...PDP 427CMX 85 5 6 7 8 5 6 7 8 C D F A B E ...
Page 87: ...PDP 427CMX 87 5 6 7 8 5 6 7 8 C D F A B E ...
Page 89: ...PDP 427CMX 89 5 6 7 8 5 6 7 8 C D F A B E ...
Page 91: ...PDP 427CMX 91 5 6 7 8 5 6 7 8 C D F A B E ...
Page 93: ...PDP 427CMX 93 5 6 7 8 5 6 7 8 C D F A B E CAUTION ...
Page 95: ...PDP 427CMX 95 5 6 7 8 5 6 7 8 C D F A B E CAUTION ...
Page 97: ...PDP 427CMX 97 5 6 7 8 5 6 7 8 C D F A B E ...
Page 99: ...PDP 427CMX 99 5 6 7 8 5 6 7 8 C D F A B E ...
Page 101: ...PDP 427CMX 101 5 6 7 8 5 6 7 8 C D F A B E ...
Page 103: ...PDP 427CMX 103 5 6 7 8 5 6 7 8 C D F A B E ...
Page 105: ...PDP 427CMX 105 5 6 7 8 5 6 7 8 C D F A B E ...
Page 107: ...PDP 427CMX 107 5 6 7 8 5 6 7 8 C D F A B E ...
Page 108: ...PDP 427CMX 108 1 2 3 4 1 2 3 4 C D F A B E 7 14 VSIF ASSY AKM1353 VSIF ASSY ...
Page 109: ...PDP 427CMX 109 5 6 7 8 5 6 7 8 C D F A B E 1SS302 44 427 AKM1353 AKM1353 VNF1109 VNF1109 ...
Page 110: ...PDP 427CMX 110 1 2 3 4 1 2 3 4 C D F A B E 7 15 SENB ASSY ...
Page 111: ...PDP 427CMX 111 5 6 7 8 5 6 7 8 C D F A B E 7 16 SENC ASSY ...
Page 112: ...PDP 427CMX 112 1 2 3 4 1 2 3 4 C D F A B E 7 17 SEND ASSY ...
Page 113: ...PDP 427CMX 113 5 6 7 8 5 6 7 8 C D F A B E ...
Page 114: ...PDP 427CMX 114 1 2 3 4 1 2 3 4 C D F A B E 7 18 COMM SLOT ASSY ...
Page 115: ...PDP 427CMX 115 5 6 7 8 5 6 7 8 C D F A B E ...
Page 117: ...PDP 427CMX 117 5 6 7 8 5 6 7 8 C D F A B E SIDE A ANP2171 A ...
Page 118: ...PDP 427CMX 118 1 2 3 4 1 2 3 4 C D F A B E SIDE B MAIN ASSY ...
Page 119: ...PDP 427CMX 119 5 6 7 8 5 6 7 8 C D F A B E SIDE B ANP2171 A ...