Commodore 128 / 128D / SX-64 / C-64C Audio/Video

8 pin DIN (DIN 45326) female at the computer.

Note: The later C-64C and the C-128 both have a power supply +5 V line going to pin 8.

Output signals:

Signal Level Impedance DC Offset
Luminance/Sync 1 V p-p 75 ohm 0.5 V
Chroma 1 V p-p 75 ohm 0.5 V
Composite 1 V p-p 75 ohm 0.5 V
Audio 1 V p-p 1K ohm  

Source: Commodore 128 User Manual, Commodore 128 Programmer's Reference Guide

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