Sony Walkman WM-FX290 Personal Cassette Player "player sound slowed" Questions

IT PLAYS TAPES SLOW MY PANASONIC TAPE PLAYER IS PLAYING THE TAPES SLOW AND THE RADIO SOUNDS PERFECT HOW DO I GO ABOUT FIXING THE ISSUE WITH THE TAPE PLAYER can i buy your panasonic rx-dt75. i have ...

...slowed to where the sound is warbling and distorts. this is the 2nd one i've had that has done exactly this after short term use. not about batteries or old tapes. doesn't matter what tape is in. is ...

I would like to make this work again.I have cleaned the rollers with alcohol. When playing a tape the sound starts to warble as the speed varies, then the speed slows and it stops. It is plugged in. ...