HP45 controller V1.01 assembly guide
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Page 12
5:
Solder the LM311
(IC4)
on the back of the primitive side with the marking away from the boxed
header.
6:
Solder 3x 4017
(IC5, IC6, IC7)
on the front of the address side with the markings as shown in the
image.
7:
Solder the 4081
(IC8)
on the front of the address side with the marking as shown in the image.
8:
Solder the DMG2302UK-7
(Q1, Q2)
or a similar mosfets on the front of the address side.
9:
Solder the 100nF capacitor
(C3)
on the front of the address side.
10:
Solder 2x 10k resistor
(R2, R5)
on the back side of the primitive side.
5
6
7
8
9
10
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