Ramsey Electronics BS2C Bedienerhandbuch PDF herunterladen (Seite 11)

DCI2 • 11

DCI2C DTMF CONTROLLER INTERFACE KIT ASSEMBLY

First we’ll install the two output connectors, J1 and J2. These are a 10 and 20

pin dual row connectors. They are installed on the back edge of the board with

one row of pins on each side. There is a long and short side. Place the short

side over the board edge and carefully align the pins with the silver solder pads.

Make sure they are seated tight against the board and then solder one of the

end pins. Check for proper alignment and then solder all remaining

connections.

 1. Install J1, the 10 pin connector as described above.

 2. Install J2, the 20 pin connector as described above.

Next we’ll install the resistors, one value at a time starting with the 10K ohm

ones. You will notice that most of the resistors are installed in a vertical

standing fashion. The resistors in your kit may not have the leads formed to

install this way. Refer to the “Proper Component Installation” instructions in the

previous section of this manual for instructions.

First find the 10K ohm (brown-black-orange) resistors.

 3. Install R2, a 10K ohm resistor (brown-black-orange).

 4. Install R19, a 10K ohm resistor (brown-black-orange).

 5. Install R20, a 10K ohm resistor (brown-black-orange).

 6. Install R23, a 10K ohm resistor (brown-black-orange).

 7. Install R21, a 10K ohm resistor (brown-black-orange).

 8. Install R8, a 10K ohm resistor (brown-black-orange).

 9. Install R9, a 10K ohm resistor (brown-black-orange).

 10. Install R10, a 10K ohm resistor (brown-black-orange).

Now find the 100K ohm resistor (brown-black-yellow).

 11. Install R4, a 100K ohm resistor (brown-black-yellow).

Now find the 2, 220 ohm resistor (red-red-brown).

 12. Install R11, a 220 ohm resistor (red-red-brown).

 13. Install R18, a 220 ohm resistor (red-red-brown).

Now find the 1K ohm resistor (brown-black-red).

 14. Install R3, a 1K ohm resistors (brown-black-red).

The last resistor you should have is a 330K ohm resistor (orange-orange-

yellow)

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Ramsey Electronics BS2C Bedienerhandbuch Seite 11