Heathkit H14 Manual page 36

Page 34
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Integrated Circuits (Cont'd.)
•
r-C-QM-P-QN-E-NT-..,,...-H-EA-"'-P-AA-T-T---y-A-y-.-E--..,r---------,-DE-NTl-Fl-C-A-Tl-QN---------.....
NUMBER
REPLACED
wrnt
3870
(available only
from Heath Co.)
U'06
I----+----+-----I-------=:~~~-----I
TOP VIEW
U107
70474
1
I
CLEAR
CLEAR
A
o
o
1
PRESET
PRESET
CLOCK
Q
0 · 0
CLEAR
I C126
v"
U106
....,28
74lSOO
GND
•