Page 108 - Revenge From Mars

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Individual LED Board Assembly
A-16908
(Transmitter-Green Board)
Individual Photo Transistor Board Assembly
A-16909
(Receiver-Blue Board)
solder side
C
E
j\
solder side
LED BOARD
Transmitter
1.0-1.4 volts
LED
BOARD
Transmitter
Green
o
Typical Circuit Diagram
PHOTO TRANSISTOR BOARD
component
side
component
side
-0
c::
::J
X
0
•...
x
'-'
x
I
d
0
o
~
0
'-'
iIi
White
Infrared Beam
3-20
-,
I
I
I
I
>
N
Black
schematic
~
~
C
E
schematic
Receiver
0.1 -0.7 volts unblocked
11-13
volts blocked
x
x
x
I
CIl
c
o
~
o
PHOTO TRANSISTOR BOARD
Receiver
Blue
o