Heathkit mMATIC SA-5010A User Manual

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NOTES:
1. Parts are numbered in the following groups:
1 – 49 Parts on the main circuit board.
100 – 109 Parts on the LED circuit board.
200 – 209 Parts on the case.
2. All resistors are ¼ Watt, 5 % unless marked otherwise.
3. Capacitor values are in µF unless marked otherwise.
4. This symbol indicates a circuit board ground.
5. This symbol with a letter or number in it indicates a wire connected to the circuit board.
6. This symbol indicates a plug-in connection.
* Keypad Switching Pattern IC Vcc and Ground Pin Connections
PRESSED
KEY
PINS
CONNECTED
OFF
9, 14
ON
9, 13
TUNE
1, 9
STOP
2, 6
P/C
6, 11
LOAD
6, 10
SEND
3, 6
WPM
2, 7
SPC'G
3, 7
WT
7, 11
RPT
7, 12
PRAC
6, 12
0
5, 8
1
8, 11
2
4, 8
3
2, 8
4
8, 12
5
8, 10
6
3, 8
7
7, 10
8
5, 7
9
4, 7
IC
GND PIN #
+5 V PIN #
+5 A PIN #
U1
20, 21
40
U2
8
22
U3
8
22
U4
U5
U6
7
14
U7
8
1, 16
U8
8
1
U9
7
14
U11
6, 7, 8
14

Heathkit mMATIC SA-5010A Specifications

General

Brand	Heathkit
Model	mMATIC SA-5010A
Category	Measuring Instruments
Language	English