2
Kit Contents
The following components should be present in the kit:
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1 PCB panel
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1 headset (ear buds)
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1 plastic bag with all electronic components
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1 length of wire (approximately 40 cm)
The plastic bag should contain the following items:
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2 small bags with small parts
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1 coil
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2 Cinch plugs
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1 Cinch panel-mount connector
The small bags should contain the following components:
Bag 1:
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1 resistor 1 kΩ (R5)
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2 resistors 10 kΩ (R2, R3)
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1 transistor BSR17 (T1)
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2 transistors BC847B (T2, T3)
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1 capacitor 10 nF (C1)
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2 standoffs M2x6
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2 screws M2x6
Bag 2:
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2 resistors 100 kΩ (R1, R4)
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3 capacitors 10 µF (C2, C3, C4)
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1 diode BAT54S (D1)
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1 switch
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1 3.5 mm audio jack
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1 spring for battery
Required Items
The following items are required for the proper assembly of this kit:
- A well lit and tidy work surface
- The TAPIR kit
- A soldering iron or soldering station with a fine tip
- Tweezers for placing small SMDs on the board
- Resin-core solder with a maximum diameter of 0.5 mm (0.02 inch)
- A small drill bit for countersinking the cover screws
- One AAA battery
- A length of heat-shrink tubing or electrical tape
- If necessary, a magnifying glass for checking
component markings and solder joints
- A coping saw and a file or Dremel tool as necessary
- Clamping tweezers as necessary
