Heathkit SB-104 - Page 85

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I DISPLAY AND COUNTER
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SCHEMATICS
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1 Refer to Page 282 for Schematic symbols. .
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DIODES
D101-Dl10
OUAN-
TlTY
10
TRANSISTORS
0101 1 2N2369 417-154
INTEGRATED CIRCUITS
TYPE
lN4149
lClOl
IC102.IC104. IC106. IC108, IC110
IC103, IC105, IC107, IClW, IC111
IC112
IC113-IC116
IC117, IC118
IC119
IC151-IC156
HEATH
PART NO.
56-56
1
5
5
1
4
2
1
6
-
SN74H103
74 196
SN7475N
SN74WN
SN7490N
SN7473N
SN7420N
DD700
44570
443628
443-13
4431
443-7
443-5
443-2
443602