Marantz Cassette Deck Model Sd 35 Tape door will not open
The tape stopped playing part way thru. Tried to open the door to remove the tape but door will not open. A mechanism attached to either a transformer or solenoid is clicking behind the tape mechanism. The tape will not play, wind or rewind. Is the problem mechanical or electrical? Is it worth fixing the deck? Have tried dismantling deck to open door to remove tape, but without dismantling the whole tape drive mechanism could not find a way of opening door. I would appreciate if you could help with this problem.
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Re: Marantz Cassette Deck Model Sd 35 Tape door will not...
It sounds like the drive belts on the deck have broken (not allowing playing, FF or REW) and/or the tape got "eaten" meaning the tape itself has wound itself around the rollers and cannot free itself. I strongly doubt this is an electrical issue. Definately sounds mechanical.
As far as the door not opening, there's usually a hook that holds the door closed. If the unit is mostly disassembled, look near one of the sides of the door for a metal hook. It's normally spring loaded and can be moved manually. That should free the door. If your tape was eaten, it might take some gentle persuasion to unwrap it from the rollers.
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The speed should be adjustable but the common practice is to use a frequency counter and test tape or test tape and wow and flutter meter. I look at this from a Technician's point of view as I have been fixing units for 45 years so far. Once the motor speed control is found it does not take too long. Sometime it take more time taking the cover off.
Hi what has happened is when you pressed play the tape head that reads the tape has come up as normal this locks the door as you cant open it when its playing but instead of the tape head releasing and going back down into start possition it has become jammed in the tape itself. You have two options turn off at mains and give it a gentle bang a couple of times this might free the tape and let the head go back to start possition its upto you how hard you tap it but doing this usually works and will allow you to get the tape out failing this then its going to be a case of stripping it down till you can get access to the tape head and be able to free it from the tape allowing door to open let me know how you get on ok and if you need further assistance
These dual cassette decks were throw away units in most cases. The belt inside and the grease in the cam mechanism is in bad shape and the deck can not cycle through the steps it need to so as to reach stop. Only stop mode will allow the door block to release. The tape can safely be extracted by a Technician. The deck need work. Dual cassette decks are not always worn the repair cost.
If you remove the cover after unplugging the AC, you will see that when you push the eject button that on the back side the putton is held back by a white plastic piece. Push down the white plastic piece as you press the eject button. The door will open and the tape will release. I jsut did this today on my Sony TC WR 670 dual tape player. Both sides were blocked. I noticed that both fuses on the board were also blown. New fuses didn't solve the problem. May be that the transformer is out?
Without physically looking at the cassette deck myself, I cannot be 100% sure the tape is wrapped around the pinch roller and capstan. The capstan is the chrome rod which the rubber pinch roller pushes to regulate the speed of the tape moving across the head. However it is approximately a 90% chance the take up reel for the tape stopped working from a bad tape or a loose belt which drives the tape take up reel. The clicking sounds like it could be the auto reverse solenoid because it thinks the tape has reached the end of play. The fun part is to remove the tape which you may have to disassemble the front panel if you cannot gain access to the tape from the top or bottom. You will need to cut the tape and remove it from the capstan and pinch roller to open the cassette door. Sometimes you can remove the capstan to free the tape. Once you have cleaned all the tape out of the unit make sure the belt for the take-up is good. If it is glazed, cracked, loose or broken order a belt. Clean all the pulleys and capstan and replace the belt. Your unit should be functional after the above procedure.
Remove the cover to see if any belts under the cassette player is cut. Or to see if there are any obstructions.Remove the front cover.which will remove the tape housing of the cassette player. you can check for any broken plastic compoments that might be keeping the housing from opening.Or any belts that may have been cut.
The cassette mechanism has a large gear that rotates to different
positions for the different modes. On time around is a play -
stop cycle. It is stuck in one position and won't come around to
the stop spot. Need to take the cover off and help it to turn to
get the cassette out. Then figure out if something is wrong
preventing it from turning or if the wheel driving it is the
problem. They are all a little different so this is where your
mechanical apptitude comes in.
By the way, you'll figure out right away they don't intend these things to be fixed.
Hope Ya Fix It.