Schematics - PS8 - Computing & Engineering

Schematics

Relay Computers > Simon

Below are new schematics I have produced using ExpressSCH, part of the ExpressPCB product.

The linked file below are PDF versions of the schematics.

Note that the numbering matches to original drawings and the gaps in the numbering is deliberate.

(Wiring interconnect Excel file)

Drawing No Description

2 Read into Register Decoder

3 Entrance and Reset Relays

4 Store, Computer & Output

5 Read out-of Register

6 Input Registers

7 Computer Register

10-1 Front Panel

10-2 Front Panel Relays

11 Paper Tape Sync

17-1 General Op 1/2

17-2 General Op 2/2

26 Logical And (1st Digit)

27 Negation with Carry

28 Logical And (2nd Digit)

29 3's Comp, Logical Not

30 Add with Carry

31 Negation Carry

32 Comp Reg CR4

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