Heathkit IM-4100 - Page 78

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NOTES:
1. COMPONENT NUMBERS ARE IN THE FOLLOWING GROUPS:
Copyright
©
1975
SCHEMATIC
OF
THE
5.
=
THIS
SYMBOL
INDICATES
CHASSIS
GROUND.
Heath
Company
HEATH
1
-
99
PARTS
MOUNTED
ON
THE
CHASSIS
AND
A Rignis Reserved MODEL IM-4100/SM-4100 MAIN CIRCUIT BOARD. hao THIS SYMBOL INDICATES CIRCUIT BOARD
FREQUENCY
COUNTER
101
-
199
PARTS
MOUNTED
ON
THE
DISPLAY
3
7
(am)
THIS
SYMBOL
INDICATES
A
PART
MOUNTED
ON
A
SCHEMATIC
OF
2.
ALL
RESISTOR
VALUES
ARE
IN
OHMS:
K=1,000;
M=1,
000,
000.
ee
ee
ee
a.
ee
ear.
MOTOROLA
eek
Resa
TOR
smu
en
ieweid
6.
8.
(_)
THIS
SYMBOL
INDICATES
A
DC
VOLTAGE
TAKEN
MODEL S-1357A WITH A HIGH INPUT IMPEDANCE VOLTMETER
BETWEEN THE POINT INDICATED AND GROUND WITH
FREQUENCY
COUNTER
4.
‘ieee
VALUES
ARE
IN
uF
UNLESS
OTHERWISE
NO
INPUT
SIGNAL.
VOLTAGES
MAY
VARY
+20%.