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VCF 7b - 4 Pole 3900

 

Voltage controlled filter based on Arp 
4072

     

4 Pole LP LM3900 

     

+/-12 or +/- 15V 

 

Assembly

     

Press the overlay on the panel blank 

     

Drill and clean the holes 

     

Remove the application tape and cutouts 

     

Mount the jacks, switches, pots ect... to the panel. 

     

Install the (1) jumper. (Shown as a solid black line) 

     

Install the resistors 

     

Install the IC sockets 

     

Install the capacitors 

     

Cut and solder header strip pins in pads used to connect wire to the board 

     

Plug the ICs into the sockets 

     

Mount the L-Brackets to the board with 440 screws and nuts, using the non threaded end of the bracket 

     

Mount the board to the panel with 440 screws using the threaded end of the bracket 

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