4-35
Circuit Description of Capacitor Board (PCB-7707)
Capacitor board has the electrolytic condenser to keep the machine operations on the interruption of
commercial AC power supply. It is connected to the power board.
●
Internal connector
Power Supply Connector (CN1)
No.
Signal Name
Remarks
Signal Level
1 18V
Power
supply
I/O
2 GND
GND
Circuit Description of Main Joint Board (PCB-7709)
Main joint board receives the power from the power board, video signal from main board, speaker output,
serial communication signal, and control signal. Then it relays to connector which fits the display unit.
Moreover, it monitors the power voltage and current to be supplied to the display unit.
●
Internal connector
Power Supply Input Connector (CN1)
No.
Signal Name
Remarks
Signal Level
1 18V
Power Supply Input
2 18V
Power Supply Input
3 GND
4 GND
Power Relay Connector (CN2)
No.
Signal Name
Remarks
Signal Level
1 18V
Power relay output
2 18V
Power relay output
3 GND
4 GND
Speaker Connector (CN5)
No.
Signal Name
Remarks
Signal Level
1 SP+
Speaker
2 SP-
Speaker
output-
Содержание DS-8400
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Страница 117: ...5 1 Wiring Diagram Chapter 5 Main Unit DSC 8400 5 2 ...
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Страница 139: ...7 11 DSC 8410 Assembly 3 Joint Part Expansion Module Part ...
Страница 141: ...7 13 DSC 8410 Assembly 4 COM AUX Part Recorder Part ...
Страница 143: ...7 15 DSC 8410 Assembly 5 Power Board Part Power Supply Unit Part ...
Страница 145: ...7 17 DSC 8410 Assembly 6 Rear Case Sheet Metal Part Item number ...
Страница 147: ...7 19 DSC 8410 Assembly 7 Rear Case Part Item number Connector position ...
Страница 149: ...7 21 DSC 8410 Assembly 8 Front Rear Stand Part ...
Страница 152: ...7 24 DSC 8410 Assembly 10 Super Unit Cover Assembly ...
Страница 154: ...7 26 DSC 8410 Assembly 11 Super Unit Part Blank Cover Recorder Part Blank ...
Страница 156: ...7 28 DSC 8410 Assembly 12 Labeling ...
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Страница 274: ...3 39 4 Hongo Bunkyo ku Tokyo Japan Tel 81 3 5684 1455 Fax 81 3 3814 1222 http www fukuda com 4R0101420 201706 ...