Atari 2600 Field Service Manual

Figure 7-5. Keyboard Wiring Diagram
Figure 7-9. Keyboard Schematic
PIN 2
0'
PIN3
2600/260GA Domestic VCS

Atari 2600 Specifications

General

Manufacturer	Atari, Inc.
Release Date	September 11, 1977
CPU	MOS Technology 6507
CPU Speed	1.19 MHz
RAM	128 bytes
Graphics	Television Interface Adaptor (TIA)
Media	ROM cartridge
Successor	Atari 5200
Colors	128
Sound	2 channels
ROM	4 KB
Controller Input	Joystick