PDP-42A3HD
120
1
2
3
4
1
2
3
4
C
D
F
A
B
E
Cause/Countermeasure:
2
If the connector CN7709 disconnected from Data Relay Board (RU )is short-circuited between Pin 1 (or 2) and
GND (Pin 3 or 4)
]
Data IC is broken
]
Exchange PDP.
3
If the connector CN7709 disconnected from Data Relay Board (RU) is short-circuited between Pin 5 (or 6) and
GND (Pin 3 or 4)
]
Data Relay Board (LU) or (RU) is failed
]
a) If the connector CN7608 disconnected from Data Relay Board (LU) is short-circuited between Pin 1
and GND (Pin 2 or 6)
]
Data Relay Board (LU) is failed
]
Exchange Data Relay Board (LU).
b) If the connector CN7708 disconnected from Data Relay Board (RU) is short-circuited between Pin 1
and GND (Pin 2 or 6)
]
Data Relay Board (RU) is failed
]
Exchange Data Relay Board (RU).
Data Relay Board (RU)
Data Relay Board (LU)
CN7709
Data Relay Board (RU)
OK: Open
NG: Short
CN7608 CN7708 CN7709
OK: Open
NG: Short
Data Relay Board (RD)
Cause/ Countermeasure :
4
If the connector CN7909 disconnected from Data Relay Board (RD) is short-circuited between Pin 1 (or 2) and
GND (Pin 3 or 4)
]
Data IC is broken
]
Exchange PDP.
5
If the connector CN7909 disconnected from Data Relay Board (RD) is short-circuited between Pin 5 (or 6) and
GND (Pin 3 or 4)
]
Data Relay Board (LD) or (RD) is failed
]
a) If the connector CN7808 disconnected from Data Relay Board (LD) is short-circuited between Pin 8
and GND (Pin 3 or 7)
]
Data Relay Board (LD) is failed
]
Exchange Data Relay Board (LD).
b) If the connector CN7908 disconnected from Data Relay Board (RD) is short-circuited between Pin 8
and GND (Pin 3 or 7)
]
Data Relay Board(RD) is failed
]
Exchange Data Relay Board (RD).
CN7909
Data Relay Board (RD)
Data Relay Board (LD)
CN7808 CN7908 CN7909
Summary of Contents for PDP-4213HD
Page 44: ...PDP 42A3HD 44 1 2 3 4 1 2 3 4 C D F A B E 4 PCB DIAGRAM 4 1 DIGITAL B D ...
Page 45: ...PDP 42A3HD 45 5 6 7 8 5 6 7 8 C D F A B E ...
Page 46: ...PDP 42A3HD 46 1 2 3 4 1 2 3 4 C D F A B E 4 2 DTT_ANALOG B D ...
Page 47: ...PDP 42A3HD 47 5 6 7 8 5 6 7 8 C D F A B E ...
Page 49: ...PDP 42A3HD 49 5 6 7 8 5 6 7 8 C D F A B E EMI FILTER POWER_SWITCH ...
Page 65: ...PDP 42A3HD 65 5 6 7 8 5 6 7 8 C D F A B E Waveform 7 SCL Waveform 7 SDA Waveform 8 ...
Page 69: ...PDP 42A3HD 69 5 6 7 8 5 6 7 8 C D F A B E Waveform 13 Waveform 14 Waveform 11 Waveform 12 ...
Page 71: ...PDP 42A3HD 71 5 6 7 8 5 6 7 8 C D F A B E Waveform 15 Waveform 14 Waveform 11 Waveform 12 ...
Page 75: ...PDP 42A3HD 75 5 6 7 8 5 6 7 8 C D F A B E Waveform 18 Waveform 19 Waveform 20 Waveform 21 ...
Page 77: ...PDP 42A3HD 77 5 6 7 8 5 6 7 8 C D F A B E Waveform 18 Waveform 19 Waveform 20 Waveform 21 ...
Page 79: ...PDP 42A3HD 79 5 6 7 8 5 6 7 8 C D F A B E Waveform 19 Waveform 20 Waveform 21 ...
Page 81: ...PDP 42A3HD 81 5 6 7 8 5 6 7 8 C D F A B E Waveform 22 Waveform 20 Waveform 21 ...
Page 85: ...PDP 42A3HD 85 5 6 7 8 5 6 7 8 C D F A B E Waveform 25 ...
Page 87: ...PDP 42A3HD 87 5 6 7 8 5 6 7 8 C D F A B E Waveform 26 Waveform 26 1 ...
Page 91: ...PDP 42A3HD 91 5 6 7 8 5 6 7 8 C D F A B E Waveform 2 Waveform 5 Waveform 3 Waveform 4 ...
Page 93: ...PDP 42A3HD 93 5 6 7 8 5 6 7 8 C D F A B E Waveform 2 Waveform 6 Waveform 4 Waveform 5 ...
Page 95: ...PDP 42A3HD 95 5 6 7 8 5 6 7 8 C D F A B E Waveform 5 Waveform 7 ...
Page 101: ...PDP 42A3HD 101 5 6 7 8 5 6 7 8 C D F A B E Waveform 14 ...
Page 103: ...PDP 42A3HD 103 5 6 7 8 5 6 7 8 C D F A B E Waveform 15 Waveform 16 ...