Ramsey Electronics BS2C Manual de instrucciones descargar pdf (Pagina 14)

DCI2 • 14

Front View

LED

PC Board

Leave leads approximately

1/2 inch in length

Flat

Front View after Bending

LED

PC Board

Leave leads approximately

1/2 inch in length

Flat

First locate the 100uF capacitor. It will be marked 100uF and may have a

voltage rating of 25V or more. As long as the voltage is above 25 volts and

capacitance is 100uF you’re good to go.

 38. Install C3, a 100uF capacitor, marked 100uF. Watch the orientation.

Next comes the 10uF capacitor. Again the 10uF is important and the voltage

should be above 25 volts. Watch the orientation.

 39. Install C4, a 10uF capacitor, marked 100uF. Watch the orientation.

 40. Install pushbutton switch S1 by inserting all six leads through the

circuit board. The switch should fit flat to the circuit board before

soldering.

 41. Install S2 the same way.

 42. Install LED D9. The flat side is oriented as shown in the diagram.

Leave it standing about 1/2 of an inch off of the board when soldering.

After soldering bend it over to a 90º angle at its midpoint so that it faces

the outside of the board. Observe the following diagrams for proper

orientation.

 43. Install LED D4 the same way as D9.

 44. Install X1, the 3.579 MHz crystal (silver can marked 3.579).

Make sure it is flush to the board before soldering.

 45. Install J6, the modular RJ-11 phone jack. Pay close attention to the

silkscreen and line up the four conductor wires with their respective holes

before snapping the part onto the board. Solder all four wire connections

being careful not to short them together (they’re really close to each

other). Do not solder the plastic posts. The snap fit design will hold it in

place.

 46. Insert U1, the micro-controller marked with a sticker labeled DCI2rxx

into the socket. Orient the notched end as shown on the PC board

silkscreen and Parts Layout Diagram (toward the relays). Before you push

it down into the socket, check to be sure none of the pins are bent under

or outside of the socket. When you’re sure the pins are where they

belong, press the chip down so that it is seated flat within the socket.

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Ramsey Electronics BS2C Manual de instrucciones Pagina 14

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