The speaker connector, J19,
is
a 4-pin, keyed, Berg strip. The
pins are numbered 1 through 4 from the front of the system. The
pin assignments are as follows:
Connector
Pin
Function
1
Data
out
J19
2
Key
3
Ground
4
+5
Vdc
Speaker
Connector
(J19)
The keyboard connector, J22,
is
a 5-pin, 90-degree printed circuit
board
(PCB) mounting,
DIN
connector.
For
pin numbering, see
the
"Keyboard"
section. The pin assignments are as follows:
Connector
Pin
Assignments
1
Keyboard
Clock
J22
2
Keyboard Data
3
Reserved
4
Ground
5
+5
Vdc
Keyboard
Connector
(J22)
System Board 1-33
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