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multi_assy_053019.pdf

Now that the chassis is complete. Refer to the graphic below and the silk screening for the placement
of the components.

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Install S1, so the operating lever passes through the front panel.

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Install C1, .1uF mono capacitor, marked 104.

[ ]

Install D2, 1N4148 signal diode, observing the black polarity band (cathode) location as shown

in the figure below.

[ ]

Install R4, 470 ohm resistor (yellow-violet-brown-gold)

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Install R1 – R3, 51 ohm, 2W, power resistors (green-brown-black-gold), or value is printed on

the component.

Содержание Multi Z

Страница 1: ...mono capacitor marked 104 1 D1 Red LED w clear lens 1 D2 1N4148 signal diode sm glass w black band on one end 3 R1 R2 R3 51 ohm 2W power resistor green brown black gold 1 R4 470 ohm resistor yellow vi...

Страница 2: ...nd letter coded parts that match each other When you tack and then solder the components it will make a sturdy mechanical assembly Refer to the figure below for identification of the individual PCB pa...

Страница 3: ...e a small piece of angle iron or a square piece of wood with sharp corners Position a short piece of 1 32 diameter solder or wire 4 long against the bottom of the square corner and lean the front pane...

Страница 4: ...S1 so the operating lever passes through the front panel Install C1 1uF mono capacitor marked 104 Install D2 1N4148 signal diode observing the black polarity band cathode location as shown in the figu...

Страница 5: ...d the twisted technique for the tap The total of 25 turns will completely fill the toroid Don t wind it loose a 4 screw must go through the center for securing Note Now is a good time to mention a goo...

Страница 6: ...will be securing it with a nylon screw nylon washer and nut Secure L1 to the top of the board using the 4 40 nylon screw nylon washer and nylon nut as shown below with the screw from the bottom Tight...

Страница 7: ...is a small tab opposite the side with the leads on the cover that matches the body of the poly varicon for the cover to fit properly As received Modified Adjust the two trimmer caps on the back of ea...

Страница 8: ...s the un modified polyvaricon as received Carefully unsnap the protective cover Deepen all three slots for the connection tabs by 1 8 with an Exacto knife as shown on the right Snap the cover back on...

Страница 9: ...with the two short metric Phillips screws from the outside Solder and clip the leads flush Install the nylon spacers long metric screws and knobs as shown in the figure below One of the leads is short...

Страница 10: ...he T160 2 toroid Please study the following figures and understand the process before you try winding the transformer If a winding does not end up as shown below or is not wound in the same direction...

Страница 11: ...ook like this stop and correct it Wind a total of 16 turns eight in each direction Every time the wire passes through the core counts as one turn Completed primary winding 16 turns Cut another piece o...

Страница 12: ...bent down they will line up with the lettered pads on the PCB When you are satisfied you have followed these instructions you may bend the leads down strip the enamel and tin the leads P1 H1 and L1 p...

Страница 13: ...Hi impedance setting provides the most efficient coupling and operation Briefly key your transmitter and attempt to adjust the knobs to dim the LED Continue adjusting back and forth until the LED is o...