VCF 7b - 4 Pole 3900
Voltage controlled filter based on Arp
4072
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4 Pole LP LM3900
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+/-12 or +/- 15V
Assembly
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Press the overlay on the panel blank
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Drill and clean the holes
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Remove the application tape and cutouts
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Mount the jacks, switches, pots ect... to the panel.
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Install the (1) jumper. (Shown as a solid black line)
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Install the resistors
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Install the IC sockets
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Install the capacitors
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Cut and solder header strip pins in pads used to connect wire to the board
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Plug the ICs into the sockets
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Mount the L-Brackets to the board with 440 screws and nuts, using the non threaded end of the bracket
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Mount the board to the panel with 440 screws using the threaded end of the bracket
