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Assembly and Operating Instructions for HiViz.com Kits

 

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Parts for the PCB for Multi-Trigger Kit (MT-PCB3)

 

Assembly instructions for other kits

 

Parts Guide (MT-PCB3)

 

Below is a list of the parts supplied with the PCB for the Multi-Trigger, MT-PCB3. Click on the photos for larger images. The column "PCB Label" gives the label imprinted on the PCB. This will make it easy to see where to place parts.

 

Resistors (fixed value)

Potentiometers (variable resistors)

Capacitors

Semiconductors and sockets

Switches and jacks

Transducers and optoelectronics

Cables, wire, etc.

Cable connectors

 

We may occasionally make changes to the parts list without notice in order to improve the product or to accommodate changes in the availability of parts from our suppliers.

 

Quantities greater than 1 are indicated in parentheses after the Name/Description.

 

PCB Label

Name/Description

Photo

color code or number on part Notes
  PC board (main) PC Board   This is the Multi-Trigger circuit board.
  Board template board template   Shows functions of the various controls
  PC board (small) PC board   This board is used to mount the interrupter for the interrupter photogate cable.

Resistors (fixed value)

Click here for replacement parts.

R0, R7, R12, R18, R19 1-kΩ fixed (5) 1k resistor brown-black-red  
R1 100-kΩ fixed 100k resistor brown-black-yellow  
R2 5.1-kΩ fixed 5.1k resistor green-brown-red  
R3 1-MΩ fixed 1M resistor brown-black-green  
R4, R6 22-kΩ fixed (2) 22k resistor red-red-orange  
R5, R9, R10 100-Ω fixed (3) 100-ohm resistor brown-black-brown  
R11, R17 470-Ω fixed (2) 470-ohm resistor yellow-violet-brown  

Potentiometers (variable resistors)

Click here for replacement parts.

R8, R15 100-kΩ variable (2) 100k variable resistor brown  
R13 2.5-kΩ variable 2.5k variable resistor red  
R14 1-MΩ variable 1M variable resistor light blue  
R16 10-kΩ variable 10k variable resistor white  

Capacitors

Click here for replacement parts.

C1, C4 0.0047 μf (2) 0.0047-uf capacitor 472  
C2, C5, C8 0.047 μf (3) 0.047-uf capacitor 473  
C3 0.47 μf 0.47-uf capacitor   Views from two sides are shown. The shorter leg is negative.
C6 10 μf 10-uf capacitor   Views from two sides are shown. The shorter leg is negative.
C7 0.01 μf 0.01-uf capacitor 103  

Semiconductors and sockets

Click here for replacement parts.

Q1 2N2222 transistor 2N2222 transistor PN2222A

transistor pins

E = emitter (-)

B = base

C = collector (+)

D1 - D4 SCRs (4) EC103D SCR EC103D

SCR pins

C = cathode (-)

G = gate

A = anode (+)

IC555 8-pin socket for 555 timer IC 8-pin socket  

555 timer pins

Note the location of pin 1 relative to the notch on the IC.

555 timer IC 555 timer LM556CN
IC556 14-pin socket for 556 timer IC 14-pin socket  

556 timer pins

Note the location of pin 1 relative to the notch on the IC.

556 timer IC 556 timer NE556N

Switches and jacks

Click here for replacement parts.

Input selector

Delay range selector

SPDT slide switch (2) SPDT PCB switch or SPDT PCB switch   The middle lug is the common terminal.

ST (S)

Inst (P)

Del (P)

Inst (S)

Del (S)

RCA jack (5) RCA PCB jack  

(S) indicates a switch output. These outputs can be used to discharge flash units which require only a short circuit.

 

(P) indicates a pulse output. The voltage is about 7.5V. These outputs can be used to actuate a Camera Opto-Switch.

Test Push button PCB push button   Used to test for delay unit triggering
AC/DC jack Jack for AC/DC adapter PCB power jack   Used for powering the unit with an AC/DC adapter

Mic jack

Ext Input

3.5mm mono jacks (2) PCB 3.5mm mono jack   Used to connect the microphone and external input cables to the board
PG jack 3.5mm stereo jack PCB 3.5mm stereo jack   Used to connect either of the photogate cables to the board
Power Switch PCB on-off switch   Used to turn the unit on or off

Transducers and optoelectronics

Click here for replacement parts.

  Piezo disc Piezo disc   The black wire is connected as positive.
  Infrared emitter Infrared LED   The longer leg is positive. The flat on the lip is nearer the shorter leg.
  Infrared phototransistor Infrared phototransistor   The shorter leg is positive. The flat on the lip is nearer the shorter leg.
  Interrupter Interrupter  

interrupter pins

1 = LED (+)

2 = LED (-)

3 = PT (-)

4 = PT (+)

LED1, LED2, LED3 Red LED (3) red LED   The longer leg is positive. The flat on the lip of the case is nearer the shorter leg.

Cables, wire, etc.

Click here for replacement parts.

  9-V battery clip 9-V battery clip  

Red is positive;

black is negative

  3-ft of 2-conductor cable 2-conductor cable   Used for the microphone cable
  6-ft of 3-conductor cable 3-conducor cable   Used for the two photogate cables
  18-in yellow wire (22-ga single strand) Yellow hookup wire   Used in wiring the photogate cable for individual emitter and detector
  2-in red hookup wire red wire   Used in preparing the interrupter photogate
  6-in of 3/32" heat-shrink tubing 3/16" heat shrink tubing   Used in wiring the microphone cable and the photogate cable for individual emitter and detector
  3-in of 3/32" heat-shrink tubing 3/32" heat shrink tubing   Used in wiring the microphone

Cable Connectors

Click here for replacement parts.

  3.5mm male mono connector (1) 3.5mm male mono connector   Used for the microphone cable
  3.5mm male stereo connector (2) 3.5mm male mono connector   Used for the photogate cables

 

 

 


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