Static, or thin scratchy tinny sound, on an early WPC-95 game such as Scared Stiff.

Early WPC-95 games: static or thin, tinny sound

Cause: Two capacitors fitted at C47 and C51 (between U5 and U6, close to J504/J505) on the audio/visual board, which Williams removed on later games.

Checks

• Look for the two capacitors at C47 and C51.

Fix

• Remove both capacitors.

Systems

• WPC-95

Games

• Scared Stiff

Related tips

• DCS or WPC-95 sound faults: amps and op-amps
• WPC-95 won't boot with the A/V board plugged in after a -125 V short
• WPC-95 audio/visual board LED and beep codes
• WPC sound board versions
• The WPC sound board runs on its own
• Line out on DCS and WPC-95 sound boards
• Scared Stiff: replacement frogs
• Scared Stiff: crate LEDs

Source: Repairing Williams/Bally WPC Pinball Games from 1990 to 1999, Part Three, Clay Harrell (pinrepair.com)