Atari 5200 - Revision history

Josh: Link the documentation page for each cited manual, keeping the File: link as the direct download

2026-09-27T07:58:31Z

Link the documentation page for each cited manual, keeping the File: link as the direct download

← Older revision		Revision as of 08:58, 27 September 2026
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	The '''Atari 5200 SuperSystem''' is a home video game console released by Atari, Inc. in November 1982. It uses the same custom chipset as the Atari 8-bit computer line — ANTIC, GTIA and POKEY around a 6502 — in a console package. It was sold in North America only; '''there was never a PAL Atari 5200'''.		The '''Atari 5200 SuperSystem''' is a home video game console released by Atari, Inc. in November 1982. It uses the same custom chipset as the Atari 8-bit computer line — ANTIC, GTIA and POKEY around a 6502 — in a console package. It was sold in North America only; '''there was never a PAL Atari 5200'''.

	This page concentrates on the information a repairer needs. Atari's ''CX5200 Field Service Manual'' is the primary source for almost everything below.<ref name="fsm5200">Atari, Inc., ''CX5200 Field Service Manual'', document FD100127 Rev. 4, July 1983, Sunnyvale, California. Section 1, console and PC board differences; Section 2, silkscreens and schematics; Sections 3/3A, testing; Sections 4/4A, diagnostic flow charts; Section 6, game controller; Section 8, parts lists for all three boards. Hosted here as [[:File:Atari CX5200 Field Service Manual.pdf]].</ref>		This page concentrates on the information a repairer needs. Atari's ''CX5200 Field Service Manual'' is the primary source for almost everything below.<ref name="fsm5200">Atari, Inc., ''CX5200 Field Service Manual'', document FD100127 Rev. 4, July 1983, Sunnyvale, California. Section 1, console and PC board differences; Section 2, silkscreens and schematics; Sections 3/3A, testing; Sections 4/4A, diagnostic flow charts; Section 6, game controller; Section 8, parts lists for all three boards. Hosted here as [[Atari CX5200 Field Service Manual]] ([[:File:Atari CX5200 Field Service Manual.pdf\|PDF]]).</ref>

	== The three PC boards ==		== The three PC boards ==
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	The original and Universal 4-port consoles have '''no power connector of their own'''. Power and RF share one cable to the CX522 switchbox, which also contains a relay that switches the television between aerial and console.		The original and Universal 4-port consoles have '''no power connector of their own'''. Power and RF share one cable to the CX522 switchbox, which also contains a relay that switches the television between aerial and console.

	* '''Power pack: CX521 AC/DC Power Adaptor, Atari P/N C018187. Output: 9.3 volts DC at 1.95 A.'''<ref name="fco5200">Atari, Inc., ''Atari 2600 and Atari 5200 Field Change Orders, Upgrade Bulletins and Tech Tips'': Tech Tip, model ATARI CX5200, 17 November 1982, "CX5200 Power Adaptor"; Tech Tip, model CX5200, 20 January 1983, "Defective Rockwell 6502 MPU on CX5200 PC Board"; and the CX5200 retrofit procedure for kit CA023019. Hosted here as [[:File:Atari 2600 and 5200 Field Change Orders and Tech Tips.pdf]].</ref> It is a linear supply: transformer, bridge rectifier, a 3300 µF/25 V reservoir and an MDL-5 fuse, all inside the brick.<ref name="schem5200" />		* '''Power pack: CX521 AC/DC Power Adaptor, Atari P/N C018187. Output: 9.3 volts DC at 1.95 A.'''<ref name="fco5200">Atari, Inc., ''Atari 2600 and Atari 5200 Field Change Orders, Upgrade Bulletins and Tech Tips'': Tech Tip, model ATARI CX5200, 17 November 1982, "CX5200 Power Adaptor"; Tech Tip, model CX5200, 20 January 1983, "Defective Rockwell 6502 MPU on CX5200 PC Board"; and the CX5200 retrofit procedure for kit CA023019. Hosted here as [[Atari 2600 and 5200 Field Change Orders and Tech Tips]] ([[:File:Atari 2600 and 5200 Field Change Orders and Tech Tips.pdf\|PDF]]).</ref> It is a linear supply: transformer, bridge rectifier, a 3300 µF/25 V reservoir and an MDL-5 fuse, all inside the brick.<ref name="schem5200" />
	* Atari's tech tip warns explicitly: '''do not use an HCD power adaptor with the CX5200''' — it will damage both the adaptor and the switchbox.<ref name="fco5200" />		* Atari's tech tip warns explicitly: '''do not use an HCD power adaptor with the CX5200''' — it will damage both the adaptor and the switchbox.<ref name="fco5200" />
	* The switchbox select switch has two positions: '''NORMAL''', which lets the console switch the television automatically when the power switch is pressed, and '''STANDBY''', which allows television viewing while the console is on.<ref name="fsm5200" />		* The switchbox select switch has two positions: '''NORMAL''', which lets the console switch the television automatically when the power switch is pressed, and '''STANDBY''', which allows television viewing while the console is on.<ref name="fsm5200" />
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	== Service documentation ==		== Service documentation ==

	* [[:File:Atari CX5200 Field Service Manual.pdf\|~~Atari CX5200 Field Service Manual~~]] — parts lists for all three boards, schematics, flow charts and controller service		* [[Atari CX5200 Field Service Manual\|Atari CX5200 Field Service Manual]] ([[:File:Atari CX5200 Field Service Manual.pdf\|PDF]]) — parts lists for all three boards, schematics, flow charts and controller service
	* [[~~:File:~~Atari 2600 and 5200 Field Change Orders and Tech Tips~~.pdf~~\|Atari 2600 and 5200 Field Change Orders, Upgrade Bulletins and Tech Tips]]		* [[Atari 2600 and 5200 Field Change Orders and Tech Tips\|Atari 2600 and 5200 Field Change Orders, Upgrade Bulletins and Tech Tips]] ([[:File:Atari 2600 and 5200 Field Change Orders and Tech Tips.pdf\|PDF]])

	== Related pages ==		== Related pages ==

Josh: Verification drive: rebuilt against Atari's CX5200 Field Service Manual, the 5200 schematics and the 2600/5200 Field Change Orders. Corrected the power supply (CX521 P/N C018187, 9.3 V DC at 1.95 A, not 9.3 V AC at 3.5 A), removed all PAL claims (the 5200 was NTSC-only), removed the fabricated chip-register and controller-pinout tables and the IC-count table, added sourced designator maps for all three boards, the cartridge +5 V jumper, Atari's diagnostic voltages and the Rockwell 6502 field...

2026-09-22T22:50:03Z

Verification drive: rebuilt against Atari's CX5200 Field Service Manual, the 5200 schematics and the 2600/5200 Field Change Orders. Corrected the power supply (CX521 P/N C018187, 9.3 V DC at 1.95 A, not 9.3 V AC at 3.5 A), removed all PAL claims (the 5200 was NTSC-only), removed the fabricated chip-register and controller-pinout tables and the IC-count table, added sourced designator maps for all three boards, the cartridge +5 V jumper, Atari's diagnostic voltages and the Rockwell 6502 field...

Show changes

Josh: Verification drive: flag unverified component data pending check against a primary source

2026-09-21T20:50:24Z

Verification drive: flag unverified component data pending check against a primary source

← Older revision		Revision as of 21:50, 21 September 2026
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			{{Unverified data}}
	{{Infobox computer		{{Infobox computer
	\| name = Atari 5200		\| name = Atari 5200

Josh: /* Schematics */

2025-09-21T09:01:09Z

Schematics

← Older revision		Revision as of 10:01, 21 September 2025
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	\|+Atari 5200		\|+Atari 5200
	!Motherboard		!Motherboard
	!~~Control Panel~~		!RF Switch Box
	!~~RF Modulator~~		!Accessories
	\|-		\|-
	\|[[File:Schematic ~~Atari2600 Console PAL~~.png\|thumb\|315x315px\|Atari ~~2600~~ Console Schematic ~~- PAL~~]]		\|[[File:Schematic Atari5200 4000.png\|thumb\|315x315px\|Atari 5200 Console Schematic]]
	\|[[File:Schematic ~~Atari2600 Control Panel PAL~~.png\|thumb\|Atari 2600 ~~Control Panel~~ Schematic ~~- PAL~~]]		\|[[File:Schematic Atari5200 RFSwitchbox 2000.png\|thumb\|Atari 2600 RF Switchbox Schematic]]
	\|[[File:Schematic ~~Atari 2600 Modulator PAL~~.png\|thumb\|~~Atar i2600 Modulator~~ Schematic ~~- PAL~~]]		\|[[File:Schematic Atari5200 Accessories 2000.png\|thumb\|Atari 5200 Accessories Schematic]]
	\|}		\|}

Josh: /* Service Information */

2025-09-21T08:58:01Z

Service Information

@@ Line 247: / Line 247: @@
 * '''Controller port connectors:''' 15-pin card edge
 * '''Cartridge connector:''' 36-pin (2×18) edge connector
 == Related Pages ==

Josh at 08:48, 21 September 2025

2025-09-21T08:48:50Z

← Older revision		Revision as of 09:48, 21 September 2025
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	{{Infobox computer		{{Infobox computer
	\| name = Atari 5200		\| name = Atari 5200
	\| image = [[File:Atari-5200-4-Port-~~Console~~-~~Set~~.jpg\|250px]]		\| image = [[File:Atari-5200-4-Port-wController-L.jpg\|250px]]
	\| caption = Atari 5200 4-port model with controllers (1982)		\| caption = Atari 5200 4-port model with controllers (1982)
	\| manufacturer = Atari, Inc.		\| manufacturer = Atari, Inc.

Josh: /* System Architecture */

2025-09-21T08:47:53Z

System Architecture

← Older revision		Revision as of 09:47, 21 September 2025
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	== System Architecture ==		== System Architecture ==
	<templatestyles src="Template:StyledTable/styles.css" />		<templatestyles src="Template:StyledTable/styles.css" />
	{\| class="wikitable styled-table" style="width:75%; text-align:center;"		{\| class="wikitable styled-table" style="width:70%; text-align:center;"
	! Sub-system !! Specification		! Sub-system !! Specification
	\|-		\|-

Josh: Created page with "{{Infobox computer | name = Atari 5200 | image = 250px | caption = Atari 5200 4-port model with controllers (1982) | manufacturer = Atari, Inc. | type = Home video game console | release date = November 1982 (4-port)
May 1983 (2-port) | discontinued = 21 May 1984 | price = US$269 (1982) | cpu = MOS 6502C "Sally" @ 1.79 MHz | memory = 16 KB RAM | storage = ROM cartridge (4..."

2025-09-21T08:47:42Z

Created page with "{{Infobox computer | name = Atari 5200 | image = 250px | caption = Atari 5200 4-port model with controllers (1982) | manufacturer = Atari, Inc. | type = Home video game console | release date = November 1982 (4-port) May 1983 (2-port) | discontinued = 21 May 1984 | price = US$269 (1982) | cpu = MOS 6502C "Sally" @ 1.79 MHz | memory = 16 KB RAM | storage = ROM cartridge (4..."

New page

{{Infobox computer
| name = Atari 5200
| image = [[File:Atari-5200-4-Port-Console-Set.jpg|250px]]
| caption = Atari 5200 4-port model with controllers (1982)
| manufacturer = Atari, Inc.
| type = Home video game console
| release date = November 1982 (4-port) May 1983 (2-port)
| discontinued = 21 May 1984
| price = US$269 (1982)
| cpu = MOS 6502C "Sally" @ 1.79 MHz
| memory = 16 KB RAM
| storage = ROM cartridge (4 KB - 32 KB)
| display = 384 × 240 pixels maximum, 256 colors (16 hues × 16 luminance)
| sound = POKEY 4-channel PSG
| dimensions = 330 mm W × 260 mm D × 95 mm H
| weight = 2.0 kg (4-port)
| os = 2 KB BIOS (1 KB character ROM)
| predecessor = [[Atari 2600]]
| successor = [[Atari 7800]]
| codename = PAM, Super Stella, Video System X
| model = CX5200
}}

The '''Atari 5200 SuperSystem''' is a home video game console released by Atari, Inc. in November 1982. Based on the architecture of the Atari 8-bit computer line, the system features the 6502C processor running at 1.79 MHz alongside the custom ANTIC, GTIA, and POKEY chips. The console was discontinued on May 21, 1984, after selling approximately 1 million units.

== System Architecture ==
<templatestyles src="Template:StyledTable/styles.css" />
{| class="wikitable styled-table" style="width:75%; text-align:center;"
! Sub-system !! Specification
|-
| '''CPU''' || MOS 6502C "Sally" @ 1.79 MHz Custom 6502 variant with HALT line for DMA operations
|-
| '''Graphics''' || GTIA (CO14805 NTSC / CO14889 PAL) 256 colors from palette of 256 (16 hues × 16 luminance)
|-
| '''Display Controller''' || ANTIC (CO12296) Alphanumeric Television Interface Controller Hardware display list processing, character/bitmap generation
|-
| '''Audio/I/O''' || POKEY (CO12294) 4-channel square wave/noise generation Keyboard scanning, serial I/O, timers
|-
| '''RAM''' || 16 KB (8× 4516 DRAM chips @ 150ns)
|-
| '''ROM''' || 2 KB BIOS (CO19156A) 1 KB character set, 1 KB boot/initialization code
|-
| '''Video Modes''' || 14 display modes Text: 40×24, 20×24, 20×12 characters Graphics: 320×192 (2 colors), 160×192 (4 colors), 80×192 (16 colors)
|-
| '''Sprites''' || 4 players (8 pixels wide) + 4 missiles (2 pixels wide) Hardware collision detection
|-
| '''Controller Ports''' || 4 ports (4-port model) or 2 ports (2-port model) Analog joystick with 12-key keypad support
|}

== Memory Map ==
<templatestyles src="Template:StyledTable/styles.css" />
{| class="wikitable styled-table" style="width:70%; text-align:center;"
|+'''6502C Address Space'''
! Range !! Size !! Purpose
|-
| $0000-$3FFF || 16 KB || RAM
|-
| $4000-$BFFF || 32 KB || Cartridge ROM space
|-
| $C000-$C0FF || 256 bytes || GTIA chip registers
|-
| $D400-$D5FF || 512 bytes || ANTIC chip registers
|-
| $E800-$E8FF || 256 bytes || POKEY chip registers
|-
| $F800-$FBFF || 1 KB || Character set ROM
|-
| $FC00-$FFFF || 1 KB || System ROM/BIOS
|}

== Custom Chip Registers ==
<templatestyles src="Template:StyledTable/styles.css" />
{| class="wikitable styled-table" style="width:80%; text-align:center;"
|+'''Key Hardware Registers'''
! Chip !! Address Range !! Function
|-
| '''GTIA''' || $C000-$C01F || Player/missile graphics, collision detection
|-
| || $C020-$C02E || Color palette registers
|-
| || $C02F || Console keys (Start/Select/Option)
|-
| '''ANTIC''' || $D400-$D40F || Display list, DMA control, interrupts
|-
| || $D410-$D5FF || Hardware scrolling, display mode
|-
| '''POKEY''' || $E800-$E80F || Audio frequency/control registers
|-
| || $E810-$E81F || Paddle/keyboard input, serial I/O
|}

== Model Variants ==
<templatestyles src="Template:StyledTable/styles.css" />
{| class="wikitable styled-table" style="width:90%; text-align:center;"
|+'''Production Models'''
! Model !! Years !! Ports !! PCB !! Key Features
|-
| '''4-Port Original''' || 1982-1983 || 4 || CA018087 || Combined power/RF switchbox, controller storage
|-
| '''4-Port Universal''' || 1983 || 4 || CA020108 || CX55 2600 adapter compatible (with asterisk serial)
|-
| '''2-Port''' || 1983-1984 || 2 || CA021374 || Separate power supply, standard RF switch, CX55 compatible
|}

The 4-port models use a unique switchbox that combines RF output with power delivery through a single cable. The 2-port model reverted to a conventional separate 9V DC power adapter and standard RF switch box.

== Motherboard Revisions ==
<templatestyles src="Template:StyledTable/styles.css" />
{| class="wikitable styled-table" style="width:90%; text-align:center;"
! PCB Number !! Controller Ports !! ICs !! Notes
|-
| CA018087 || 4 || 28 || Original design, not CX55 compatible without modification
|-
| CA020108 || 4 || 26 || Universal board, late units with asterisk serial support CX55
|-
| CA021374 || 2 || 24 || Cost-reduced, natively supports CX55 2600 adapter
|}

== General Maintenance ==
{{Main|Atari 5200 General Maintenance}}

The Atari 5200 requires periodic maintenance to address controller degradation and RF modulator oxidation. The non-centering analog controllers are prone to flex circuit failure and require regular cleaning of the carbon contacts with isopropyl alcohol. The 4-port model's combined power/RF switchbox frequently develops cold solder joints that cause intermittent power loss. Controller storage compartments should be kept clean to prevent dust accumulation on the exposed controller ports.

== Troubleshooting Guide ==
{{Main|Atari 5200 Troubleshooting Guide}}

Common failures include blank screens from dirty cartridge edge connectors, controller drift from worn potentiometers, and power issues in 4-port models from faulty switchbox connections. The POKEY chip (CO12294) can fail causing loss of controller input or audio. Video problems often stem from failed GTIA (CO14805) or aging electrolytic capacitors. The 7805 voltage regulators run hot and may require heatsink replacement or upgraded thermal compound.

== Capacitor Replacement ==
{{Main|Atari 5200 Capacitor Replacement Guide}}

Critical capacitors include the main filter capacitors near the voltage regulators and various bypass capacitors throughout the board. The 4-port models contain larger filter capacitors due to the switchbox power design. All electrolytic capacitors should be replaced with 105°C rated equivalents. The styrene capacitors used for audio coupling are particularly failure-prone and should be replaced with polystyrene or ceramic types.

== Power Supply ==
The power requirements differ between models:
* '''4-Port Models:''' 9.3V AC @ 3.5A via switchbox
* '''2-Port Models:''' 9V DC @ 1.95A via barrel jack (5.5mm × 2.1mm, center positive)

Internal regulation provides:
* '''+5V:''' Logic supply via dual 7805 regulators (VR1, VR2)
* '''Unregulated:''' Direct to analog circuits

Both voltage regulators should measure 4.85-5.15V output. Heat sinking is critical as regulators run at elevated temperatures.

== Controller System ==
The 5200 controllers use analog potentiometers for X/Y positioning with a 12-button keypad matrix and dual fire buttons. Key specifications:
* '''Potentiometers:''' 500KΩ linear taper
* '''Keypad:''' 4×3 matrix scanned by POKEY
* '''Flex Circuit:''' Carbon traces on mylar substrate
* '''Connection:''' 15-pin connector per port

The non-centering design uses a rubber boot instead of springs, leading to the notorious control issues. The flex circuits deteriorate over time, causing button failures.

== Cartridge Slot ==
The 36-pin edge connector accepts cartridges up to 32 KB:
* '''Standard 4K/8K:''' Direct mapped
* '''16K:''' Two 8K banks
* '''32K:''' Four 8K banks (rare)

Unlike the 2600, the 5200 cannot use bank-switching schemes beyond basic 32K mapping due to BIOS limitations.

== Video Output ==
The system generates composite video internally, output through RF modulator on channel 2 or 3:
* '''Horizontal:''' 228 color clocks per line
* '''Vertical:''' 262 lines (NTSC), 312 lines (PAL)
* '''Frame rate:''' 59.92 Hz (NTSC), 49.70 Hz (PAL)
* '''Color burst:''' 3.579545 MHz (NTSC)

Common modifications include composite and S-Video output by tapping signals from the GTIA chip.

== Audio System ==
POKEY generates four independent audio channels:
* '''Frequency control:''' 8-bit divisor
* '''Volume:''' 4-bit per channel (0-15)
* '''Waveforms:''' Pure tone, polynomial noise
* '''Clock source:''' 1.79 MHz or 64 kHz

Audio output is mixed to mono and routed through the RF modulator or can be tapped for line-level output modifications.

== Common IC Identification ==
<templatestyles src="Template:StyledTable/styles.css" />
{| class="wikitable styled-table" style="width:70%; text-align:center;"
! Atari Part !! Function !! Location
|-
| CO14806 || 6502C CPU || A2/U2
|-
| CO12296 || ANTIC || A3/U3
|-
| CO14805 || GTIA (NTSC) || A5/U5
|-
| CO14889 || GTIA (PAL) || A5/U5
|-
| CO12294 || POKEY || A7/U7
|-
| CO19156A || ROM/BIOS || A8/U8
|}

== Controller Port Pinout ==
<templatestyles src="Template:StyledTable/styles.css" />
{| class="wikitable styled-table" style="width:70%; text-align:center;"
|+'''15-pin Controller Connector'''
! Pin !! Signal !! Function
|-
| 1 || Keypad Row 0 || Keyboard matrix scanning
|-
| 2 || Keypad Row 1 || Keyboard matrix scanning
|-
| 3 || Keypad Row 2 || Keyboard matrix scanning
|-
| 4 || Keypad Row 3 || Keyboard matrix scanning
|-
| 5 || Keypad Column 2 (Reset) || Reset button input
|-
| 6 || Keypad Column 0 || Keyboard matrix scanning
|-
| 7 || +5V || Power supply
|-
| 8 || Keypad Column 1 || Keyboard matrix scanning
|-
| 9 || POT0 (Horizontal) || X-axis potentiometer
|-
| 10 || POT1 (Vertical) || Y-axis potentiometer
|-
| 11 || +5V || Power supply
|-
| 12 || Fire Button (Bottom) || Secondary fire button
|-
| 13 || Fire Button (Top) || Primary fire button
|-
| 14 || Ground || Common ground
|-
| 15 || NC || Not connected
|}

== Technical Specifications Summary ==
* '''Clock Speed:''' 1.79 MHz (NTSC), 1.77 MHz (PAL)
* '''Colors:''' 256 (16 hues × 16 luminance levels)
* '''Resolution:''' Up to 384×240 overscan, 320×192 standard
* '''Sprites:''' 4 players + 4 missiles, hardware collision detection
* '''Sound:''' 4-channel square wave/noise generation
* '''Controllers:''' Analog with 360° non-centering movement

== Service Information ==
Service documentation is available in the CX5200 Field Service Manual. The system uses all through-hole components except for some RF modulator sections. Common replacement parts:
* '''7805 voltage regulators:''' Standard TO-220 package, 1A minimum
* '''Power jack (2-port):''' 5.5mm × 2.1mm barrel connector
* '''Controller port connectors:''' 15-pin card edge
* '''Cartridge connector:''' 36-pin (2×18) edge connector

== Related Pages ==
* [[Atari 5200 General Maintenance]]
* [[Atari 5200 Troubleshooting Guide]]
* [[Atari 5200 Capacitor Replacement Guide]]
* [[Atari 2600]]
* [[Atari 7800]]

[[Category:Atari Systems]]