Sound and switch test behavior

In test 93 the CPU commands the sound board and a buzz should sound about once a second. In test 94 a flashing 00 in all the player displays means no switch is closed; any other number is the closed switch. The coin door test button leaves the switch test.

Systems

• Bally 6803

Related tips

• 6803 games with the Sounds Deluxe sound board
• 6809 sound board LED flash meanings
• Sounds Deluxe board noise or silence
• Sounds Deluxe 68000 board LED flash meanings
• Bally 6803: sound board boots but no sound in play: check the sound setting

Source: Repairing Bally 6803 Pinball Games from 1985 to 1989, Clay Harrell (pinrepair.com)