SID Receiver overview
Synoptic
Printed Circuit Board
Tuning
Assembly

Last step is to put the PCB in a metallic box with the transformer, fuse and power switch.
See the pictures here below for assembly example:

Click to enlarge (image/jpeg, 2232x1504, 1509Kb)
Click to enlarge (image/jpeg, 2832x1720, 1533Kb)
Data Transfer Protocol

Here are some details regarding the data transfer protocol between the MAX187 and the RS-232 interface.

The MAX187 signals are connected to the following RS-232 pins:

The RS-232 standard defines the positive voltage levels for logic one and negative voltage level for logic zero.

Protocol is detailed in the following documents:
The overall sequence is described below:
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