A Sounds Deluxe game has scratchy, distorted or no sound.

Sounds Deluxe board noise or silence

Cause: The cheap volume pot, or the U8 7533 10-bit DAC, which is easily killed by static or electrical faults.

Checks

• Work the volume pot and listen.
• Check the board's LED flash count at power-on.

Fix

• Replace the pot, or the U8 7533 DAC.

Systems

• Bally 6803

Games

• Blackwater 100
• Dungeons & Dragons
• Escape from the Lost World
• Heavy Metal Meltdown
• Motordome
• Party Animal
• Special Force

Related tips

• Sounds Deluxe 68000 board LED flash meanings
• 6803 games with the Sounds Deluxe sound board
• Most sounds and speech missing on a 6803 game: factory reset, then set sound mode
• Sound and switch test behavior
• 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)