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LB-56 LIGHT BEAM
COMMUNICATOR
KIT PARTS LIST:
CAPACITORS
O
3°
.001 uf disc capacitors [C4,5,14] (rnaiiiees 102 or .001)
O
5
.01 pf disc capacitor [C2,9,10,12,13] (marked 103 or .01 or 10nf)
O 2.
.1 pf disc capacitors [C11,15] (marked 104 or .1)
O 3
2.2 pf electrolytic capacitor [C1,3,8]
O 2
220 pf electrolytic capacitor [C6,7]
RESISTORS
2 ohm resistor (red-black-gold) [R18]
51 ohm resistor (green-brown-black) [R6]
1K ohm resistor (brown-black-red) [R3,7,8,11,12, 16]
4.7K ohm resistor (yellow-violet-red) [R1]
10K ohm resistor (brown-black- orange) [R15,19,20,21]
47K ohm resistor (yellow-violet- orange) [R9,10]
100K ohm resistor (brown-black-yellow) [R5,13,17]
1M ohm resistor (brown-black-green) [R 22]
2.2K PC-mount potentiometer [R2,4]
10K ohms PC mount potentiometer [R14]
MICONDUCTORS
Infrared Emitter diode [D1]
Infrared Detector Diode [D4]
1N270 or similar small diode [D3]
NPN Transistors, type 2N3904 or oe
[Q1-8, 10]
LM 386 IC [U1]
RDWARE
LB-56 printed circuit rest
Miniature PC mount earphone / speaker jack [J1]
RCA phono PC mount jack [J2]
DPDT push switch [S1]
9 volt battery hold down clamp
9 volt battery snap connector
QUIRED, NOT SUPPLIED
1
1
m
=O
Wh
Ao
4 oa
>
ek
ek
eh
eek
ok
ak
m
9 volt alkaline or heavy duty battery
Speaker or headphones
OPTIONAL
©
1 Ramsey case and knob set (model CLB)
NOTE CONCERNING THE AUDIO OUTPUT JACK
Q002
OO0000s
O00008
0000000000
= (OD
ab
ot
ot
LB-56 ¢6
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