Atari 2600 Field Service Manual

2600A Diagnostic Flowchart (Continue?)
Pg. 6-7
- Are color bars Are color bars
present? .Yes properly adjusted? Pg. 6-6
(See Figure 4-21.
(See Figure 11-21
4 h
No
Is any other test Check your No
pattern on the
, Yes
switch seeings.
screen? Are they correct?
(See Figure 4-4,
44,409).
1 Yes
Check VCS
' connections
to
N and
cfiannel setting. I
Test VCS with
known - good
battery eliminator.
I
present on screen?
Pg. 6-10
2600/2600A Domestic VCS
I
IS -"snow" on
screen gone?
Yes
r

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