Sound board jumpers for 2K sound-only games

Defender, Solar Fire, Barracora, Cosmic Gunfight, Varkon and Time Fantasy use a 2K (2516/2716) sound ROM with no speech: jumpers W1, W2, W5, W7, W9, W10 and W15 fitted.

Systems

• Williams System 7

Games

• Barracora
• Cosmic Gunfight
• Defender
• Solar Fire
• Time Fantasy
• Varkon

Related tips

• Check sound board jumpers after a board swap
• Hyperball sound board jumpers (4K 2532 sound ROM)
• Which sound board each game uses
• Using the sound board test switch
• Powering a sound board for testing
• The sound board is its own computer
• Type 1 and type 2 sound boards and their switches
• Setting up a sound board for speech

Source: Repairing Williams System 3 to System 7 Pinball 1977 to 1984, Part Two, Clay Harrell (pinrepair.com)