Atari 2600 Field Service Manual

2600 FAILURES (Continued)
CDLOR FAILURES
SYMPTOM
No color
Only the
reference
bar appears
Color won't
ad just
Veak color
I
SYMPTOM
No audio
'Afeak audio
DTC audio
test fails
DIAGNOSTIC
POSSIBLE CAUSE POSSIBLE CAUSE FLOWCHART
(motherboard) (switchboard) ENTRY POINT
L101, RF Module
AA, pg. 4-21
RF Cable
C208, R211
N/ A RA, pg. 4-21
R211, C208, C209
N/A AA, pg. 4-21
C212, C213, R215 RF Module, LlOl AA, pg. 4-21
RF Cable
AUDIO FAILURES
DLAGNOSTIC
POSSIBLE CAUSE POSSIBLE CAUSE FLOWCHART
(motherboard) (switchboard) ENTRY POINT
C206, C207, L201 RF module AH, pg. 4-25
adjustment, 4202 adjustment
,4201, C206,
C207, XF module AH, pg. 4-28
L201 adjustment, adjustment
C20
1
.42C11, A200, A202 N/ A
AD, pg. 4-24
2600/2600A
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