Stock #: AT5200DG
Atari C.P.S. 5200 Diagnostic Cartridge for 2 and 4 port models with 8 diagnostic tests, any video, color bars, port test, pokey adjust, (critical cursor left side to right side range adjustment), tone test (all 4 registers), ram test, verify O.S. ROM test and burn in loop test. RARE item - Great for collector. NEW
Price: $ 59.95

Stock #: AT5200SN
5200 CX53 Track Ball Optocoupler sensor module. This is what you need to replace in your CX53 track ball if you can only control either up and down or left to right. There are 2 Optocouple sensor modules on the trackball printer circuit board.
Price: $ 5.95

Stock #: C018126-G
Lifetime CX52 Numeric Keypad - Upgraded Gold Dot CX52 Numeric Keypad, now has TWELVE 5 mm GOLD Dot metal contacts. These 5 mm Gold metal contacts are some of the largest contacts ever used on any of the Atari CX52 Replacement Joystick Numeric Keypads produced over the last 20 years.

The New "Gold" Dot CX52 Keypad also has the improved feel with the Tactical Feed back feature. You can now visually tell a Standard Atari CX52 Numeric Keypad from the New "Gold" improved lifetime version (and our new Upgraded Rebuilt CX52 Joysticks) by the New Gold Colored Silk screened numbers on the numeric keypad.
Price: $ 7.95

Stock #: C018127-G
Lifetime CX52 Orange Fire button has a Lighter but Firmer / Crisper feeling Fire Button now with a New State of the Art Tactical Feed back feature. Now each time you press on the firm improved Gold dot fire button, as you release the Atari CX52 fire button, it will bounce back and give your finger a tactical response telling you the fire button as been PRESSED and RELEASED. In a Side by Side comparison, the older series of Atari CX52 Orange fire buttons compared to Lifetime CX52 fire buttons with Gold contacts are a Night and Day Tactical difference. Mush with no Tactical feed back Vs State of the Art Tactical fire button Feed back. Sold as a set of two fire buttons.

Price: $ 12.95

Stock #: RT18128-G
Lifetime CX52 replacement Auxiliary Function Keypad (start, pause, reset)using molded GOLD plated 6mm metal disks, replacing the original Atari 4.5mm carbon dot. Gold Plated Metal Conductive Disks have a Contact Resistance of 0 Ohms! Our in house tests have shown even after 4,000+ Up/Down, On/ Off cycles (on all three conductive metal disks) that the conduct resistance stayed the same 0 Ohms. Our Manufacture has tested this New Version Auxiliary 5200 Key pad to over 100,000 cycles with No failures!
With the new keypad with gold plated metal disks installed you will most certainly never have to replace them again, at worst case scenario, you will have to manually clean them, although they are self-cleaning. Increased performance, tested to over 100,000 cycles with no failures. NOTE>>> These can not be used with the older CX52 flex circuits with the silk-screened black carbon traces (non metal traces). For those 5200 controllers use our enhanced carbon dot keypad RT18128-C

Price: $ 6.95

Stock #: RT18128-C
Improved - Larger 6mm Carbon dot Auxiliary keypads for the older CX52 flex circuits with silk-screened black carbon traces (non metal traces). Original Atari keypad has 4.5mm carbon dot. CX52 Auxiliary function pads with Three 6mm Diameter black conductive dots or a 24 - 25% Increase in Conductive Contact Surface Area as compared to the first Auxiliary keypads Atari made! Which should roughly translate into a 24 to 25% Increase in life expectancy for this New Larger Carbon Conductive CX52 Auxiliary keypad.

Price: $ 4.95
 

Stock #: C018128-G
Gold plated Rev. 9 Flex Circuit - Upgrade now, this will last a lifetime.
Price: $ 5.95

Stock #: CX52GS
Final answer to all Atari 5200 Joystick Owners problems. Install this upgrade in your CX52 Controller and you will have a state of the art game controller that will last a lifetime.

More control with the new State of the Art Tactical Feed back feature. Now each time you press on the firm Improved Gold dot fire button, as you release the Atari CX52 fire button, it will bounce back and give your finger a Tactical response telling you the fire button as been Pressed and Released..

Silicone Pad with Gold
Gold Plated Rev. 9 Flex CircuitNumeric Keypad, with Twelve 5 mm Gold Dot metal contacts, 2 - Gold Contact Fire buttons with State of the Art Tactical Feed back feature.


Price: $ 34.95

Stock #: RT101184
5200 - 4 port retrofit kit changes the older 4 port model (p.c. board RT018087) to be electronically equivalent to the 2 port model so you can use the CX55 2600 cartridge adapter. NOTE: Before ordering, check your system. Later models of the 4 port 5200 mother boards have this retrofit built in. Check the inside left hand bottom corner, top side of the mother board for CX5200P CAO REV. If you have this model you do not need the retrofit to use the 2600 adapter. Instructions included... Requires soldering.
Price: $ 6.95