Refer to the layout diagram for clarification of parts placement. All references to up, down, left, and right assume that you are looking at the PCB with the silkscreen TAPR logo oriented up on the board. Unless noted otherwise, all components are mounted on the top of the PC board.
This portion of the assembly should only be done if the EMP sensor and rain gauge will be connected to this board. If you purchased the X1W-2 Outdoor Sensor/Interface board, and the EMP sensor and rain gauge will be connected to it, proceed to the next page.
Warning! - Read the following carefully:
|
If the EMP sensor and rain gauge will be connected to the outside board, do not
continue with the instructions on this page. Go to the next page
in the procedure. |
|
If the RM-60 or RM-70 background radation monitor will be used with this board instead of
a rain gauge, do not continue with the instructions on this page. Go to the
RM-60/RM-70 installation page Section 2: Main Interface
instead. |
Sorry to be repitious about this, but putting the components on the wrong board or following instructions for a feature you will not be using will cause some major grief.
All remaining components for the EMP sensor/rain gauge interface will be installed below. Use the same procedure as you did for the same type of components installed previously.
5% Tolerance Resistors
|
|
Procedure |
| 10K, 5% (brown-black-orange-gold) at R1 | |
| 10K, 5% (brown-black-orange-gold) at R2 | |
| 220, 5% (red-red-brown-gold) at R3 | |
| 100, 5% (brown-black-brown-gold) at R4 | |
| Solder and clip eight leads. Wear safety glasses and observe proper precautions! |
Monolithic Capacitors
|
|
Procedure |
| 0.1 uF (104) at C1 | |
| 100 pF (101 or 100) at C24 | |
| Solder and clip four leads. Wear safety glasses and observe proper precautions! |
Ferrite Beads
|
|
Procedure |
| Ferrite bead at L6. | |
| Ferrite bead at L7. | |
| Solder and clip four leads. Wear safety glasses and observe proper precautions! |
IC Sockets
|
|
Procedure |
| 6-pin DIP socket at U1. Pin one (or the notch) faces towards the bottom edge of the board. | |
| 6-pin DIP socket at U3. Pin one (or the notch) faces towards the bottom edge of the board. |
Diode
|
|
Procedure |
| D1 - BAT42, Schottky Barrier Diode | |
| Solder and clip two leads. Wear safety glasses and observe proper precautions! |
Connectors
|
|
Procedure |
| RCA Female Jack at J2. The fit may be a bit tight. Gentle pressure might be required to properly seat the part on the board. Take your time if this is the case. | |
| RJ11 6-4p female jack at J1 |
9V Battery Connector
If you are thinking about using a power supply instead of a battery for the EMP detector, don't. The opto-isolator is there for protection. If an external supply is used, you will risk allowing an EM discharge to possibly enter the equipment through the power supply lines or ground causing possible damage, bypassing the protection offered by the opto-isolator. Battery life is typically one to two years, depending on EMP activity.
Wires are fed to the board from the top.
|
|
Procedure |
| Solder the red lead to the + hole at P7 | |
| Solder the black lead to the - hole at P7 |
Jumper
Use a clipped resistor lead for the jumper in the next step. As you install the jumper, solder both wires and clip the excess.
|
|
Procedure |
| Jumper at R101 |