Case #264531 . 10/24/2026 Blaupunkt CR-4090 AM/FM Radio Cassette Player for Porsche 911/ 930 .
Symptoms – Auto reverse mode works constantly , no stop . Can,t play cassette in one direction . Customer need this original radio.
After troubleshooting found magnetic Reed switch is out. You can use any normally open Reed switch.
Replaced belt, cleaned audio head and driving rollers, lubricate all moving parts. Unit is back to life.