Asteroids Arcade Back Door Sheet PDF Download - ST-143 1st Printing

Asteroids ST-143 Back Door Sheet PDF Download

Download a printable digital copy of the original Atari Asteroids arcade back door sheet, document ST-143, 1st Printing. This operator-reference sheet provides self-test information, diagnostic codes, option-switch settings, coin configurations, and cabinet component locations for compatible original Asteroids arcade hardware.

This is a one-page digital PDF download. No printed sheet, manual, disc, USB drive, or other physical product will be shipped.

Information Included on the Sheet

• Self-test procedures and test results
• RAM failure tone sequence and RAM chip locations
• Program failure display numbers and chip locations
• Failing data-bit reference codes
• PAGE SELECT and RAM-select error information
• Control-panel and coin-door switch testing
• English, German, French, and Spanish language settings
• Three-ship and four-ship game settings
• Left and right coin-mechanism multipliers
• Free Play and coin-pricing configurations
• Volume control, self-test switch, safety interlock, power switch, operator-option switch, game PCB, and regulator/audio PCB locations

Confirm Compatibility Before Downloading

This download reproduces Asteroids document ST-143, 1st Printing. Back door sheets may differ by game version, cabinet configuration, document number, or printing. Review the product image and document details to confirm that this sheet matches your original Asteroids arcade machine.

This document describes original Atari arcade hardware. It is not a HighScoreSaves upgrade-kit installation guide.

How Digital Delivery Works

1. Add the Asteroids back door sheet to your shopping cart.
2. Complete checkout, including when the listed price is $0.00.
3. Use a valid email address for digital delivery.
4. Download and save the PDF using the delivery information provided.

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