2600

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Info about the console

Specifications

Hardware specs

Revisions

"Heavy Sixer"

The "Heavy Sixer" is the original model of the 2600 released in 1977, and is so called because of the six switches on the front and its weight, largely caused by its thick bottom casing and massive internal RF shielding. This revision is arguably the most desired by collectors.

"Light Sixer"

Released in 1978, the "Light Sixer" is largely the same as the "Heavy Sixer", except that the bottom case was replaced by a thinner, angular piece in order to cut production costs. This is one of the most common 2600 variants and was manufactured until 1980/1981.

"4-Switch"

During 1980 as the 2600's popularity grew, Atari released a cost-reduced version of the 2600 with the two difficulty switches moved to the rear of the console, hence the nickname. Internally, the 4-switch is very different than its predecessors with a single circuit board (both six-switch consoles were comprised of two circuit boards) and a small, thin RF shield.

"Vader"

After the release of the 5200, Atari sought to unify the look of its home console lineup and put out a cosmetic revision of the four-switch console in 1982/1983. This version is nicknamed the "Vader" due to its all-black look, as the woodgrain trim on the front was replaced with glossy black plastic and the rim around the switch bezel was left unpainted (it was painted orange on all previous revisions). The internals were largely left unchanged.

2600 Jr.

The smallest of the 2600 consoles, the 2600 Jr. was released in 1984 in Europe, and 1986 in North America. Featuring a slim, wedge-shaped design, the 2600 Jr. is functionally the same as its predecessors and was marketed as a budget console. Despite the new design, the internals are mostly the same as the 4-switch console. Some 2600 Jrs however featured a cost-reduced board which consolidated all three major chips (6507, TIA and RIOT) into a single chip; these are nicknamed "Unicorn" boards presumably due to their rarity.

Best Possible Connection

Stock

RF

Modded

RGB

Known issues and quirks

Info about quirks specific to the console - jail bars, blurring, and other oddities

Mods

Schematics

Parts List

Resistors are 1/4W unless otherwise indicated.

CX2600
Resistors Capacitors Other
R101 680 Ω (2W) C101-102 0.01 uF ceramic (50V) A101 78M05 5V regulator
R200 27 Ω C103-104 0.22 uF poly film (100V) CR202-203 1N4736 diode (6.2V)
R201 470 Ω C105 4.7 uF electrolytic (35V) L101-102 15 uH inductor
R202 100 Ω C106 2200 uF axial (16V) L200 Ferrite bead
R203 1.8 KΩ C200 0.01 uF ceramic (50V) L201 12 1/2 turn inductor
R204 220 Ω C201 4.7 uF electrolytic (35V) L202 2 uF inductor
R205 100 Ω C202 0.01 uF ceramic (50V) L203 Ferrite bead
R206 24 KΩ C203 0.001 uF ceramic (50V) Q200-201 2N3906 transistor
R207 4.7 KΩ C204 0.1 uF mylar (100V) Q202 2N3563 transistor
R208 1 KΩ C205 0.01 uF ceramic (50V) X200 Crystal (3.579575 MHz)
R209 18 KΩ C206-207 820 pF polystyrene (50V)
R210 9.1 KΩ C208 0.01 uF ceramic (50V)
R211 500 KΩ (pot) C209 0.001 uF ceramic (50V)
R212 1 KΩ C210 0.1 uF ceramic (50V)
R213 680 Ω C211-212 47 pF ceramic (50V)
R214 1 KΩ C213 22 pF ceramic (50V)
R215 6.8 KΩ C214 0.01 uF ceramic (50V)
R216 1.8 KΩ C215-218 0.068 uF epoxy (100V)
R217 24 KΩ C219-220 0.1 uF ceramic (50V)
R218-221 3.3 KΩ C221 150 pF ceramic (50V)
R222 12 KΩ C222 0.001 uF ceramic (50V)
R223 24 KΩ C223-227 0.01 uF ceramic (50V)
R224 47 KΩ C228-235 0.001 uF ceramic (50V)
R225-226 10 KΩ C236-237 220 pF ceramic (50V) or
200 pF axial (50V)
R227-231 1.8 KΩ C238 0.001 uF ceramic (50V)
R232 4.7 KΩ C239-240 0.01 uF ceramic (50V)
R233 18 KΩ
R234 10 KΩ
CX2600A
Resistors Capacitors Other
R201 4.7 KΩ C200 0.1 uF ceramic disc (50V) or
0.1 uF ceramic axial (25V)
A203 78M05 5V regulator
R202 1 KΩ C202 10 pF ceramic disc/axial (50V) CR200-203 1N914 diode
R203 2.2 KΩ C203 0.01 uF ceramic disc (50V) or
0.01 uF ceramic axial (25V)
L200 Ferrite bead
R204 220 Ω C204 0.22 uF poly film (100V) L202 1.8 uH inductor
R205 240 Ω C205 0.01 uF ceramic disc (50V) or
0.01 uF ceramic axial (25V)
L203-205 Ferrite bead
R206 1 KΩ C206-207 820 pF polystyrene (50V) Q200-201 2N3906 transistor
R207 18 KΩ C208 0.1 uF ceramic disc (50V) or
0.1 uF ceramic axial (25V)
Q202 2N3563 transistor
R208 9.1 KΩ C209-210 47 9F ceramic (50V) X200 Crystal (3.579575 MHz)
R209 1.8 KΩ C211 22 pF axial (50V)
R210 6.8 KΩ C212 0.01 uF ceramic disc (50V) or
0.01 uF ceramic axial (25V)
R211 1 KΩ C213 0.001 uF ceramic disc (50V) or
0.001 uF ceramic axial (25V)
R212 4.7 KΩ C214 4.7 uF electrolytic (35V)
R213 500 KΩ (pot) C215 150 pF ceramic disc/axial (50V)
R214 27 KΩ C216-217 470 pF ceramic disc/axial (50V)
R215 47 Ω C218-221 0.068 uF epoxy (100V)
R216 110 KΩ C222 0.1 uF ceramic disc (50V) or
0.1 uF ceramic axial (25V)
R217 24 KΩ C223-235 0.001 uF ceramic disc (50V) or
0.001 uF ceramic axial (25V)
R218 3.3 KΩ C236-237 0.01 uF ceramic disc (50V) or
0.01 uF ceramic axial (25V)
R219 4.7 KΩ C238-239 0.1 uF ceramic disc (50V) or
0.1 uF ceramic axial (25V)
R220 3.3 KΩ C240 0.01 uF ceramic disc (50V) or
0.01 uF ceramic axial (25V)
R221 4.7 KΩ C241 0.1 uF poly film (100V)
R222 15 KΩ C243 2200 uF ceramic (16V)
R223 10 KΩ C244 0.01 uF ceramic disc (50V) or
0.01 uF ceramic axial (25V)
R224 220 Ω C245 0.1 uF ceramic disc (50V) or
0.1 uF ceramic axial (25V)
R225 220 Ω
R226 10 KΩ
R227 24 KΩ
R228 1 KΩ
R229-230 10 KΩ
R231 91 Ω
R232 220 Ω
R233 470 KΩ
R234 820 Ω