Atari 2600 Field Service Manual

SECTION 3
TESTING AND TROUBLESHOOTING
EQUIPMENT REQUIREMENTS
You require eight basic pieces of equipment in order to analyze failures in the
2600/2600A Video Computer Systems (VCS). These items include:
A 15 MHz oscilloscope
A Video Computer System switchboard assembly that is known to be
operating properly (not required for repairing 2600A units)
A Video Computer System diagnostic test cartridge, version 2.6 (DTC)
Two blue controller port shorting plugs for use with the
2.6 (DTC)
diagnostic cartr idge
Signal Tracins Cartr idqe (STC or KLUGE)
VCS Field Service Manual for Domestic Model 2600/2600A
Color television set (properly adjusted)
Frequency Counter
2600/2600A Domesric 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