Atari 2600 Field Service Manual

2600A Defective Switch Troubleshooting (Continued)
I
Is cap on that line shorted ,Yes
to ground? (See chart)
/Is there +5v on the RAM
Replace switch.
L
Is switch internally
shorted?
pin for that switch?
(See chart)
I
&
Yes
L
I
I
Open between RAM pin
and inoperative switch.
d A
Swapout
1) A202
2) A200
3) A201
Repair
0
CONNECTION CHART
A202
Switch Pin No.
lack and
White 2 1
Left Difficulty 17
Right Difficulty 16
Select 2 3
Reset 2 4
Pg. 6-2
2600/260014 Domestic VC:

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