Magnavox zv450mw8 vdr/dvd combo shuts off when placed in rewind more, otherwise works fine.
The unit plays tapes well and fast forwards and rewinds while playing with no problem. However, when I stop the playback and select the rewind mode, the unit shuts off. When I power it back on, it ejects the tape. Is this something easy to fix or should I replace the unit? Thanks for your help.
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Check the belts, inside the unit you should see a rubber belt which is what pulls the tape fast forward or rewind. Some belts with time get loose and slip, they can also break and fall off which will not let you fast forward or rewind.
Open your cassette player and look where the plastic pulleys are located and check for the belts, they might not be broken at all but very loose and slip on the plastic pulley.
Unplug the machine and pick it up and shake it, this will tell you if something is in there that shouldn't be or that something broke off.
So many things could be wrong that it is probably not worth fixing if it is not a foreign object inside.
There is a part that is called an idler wheel assembly that is critical for play, rewind, and fast forward, and may have stopped working. The second possibility is that the drive belt that runs the idler assembly has broken or come off.
Rewinding while playing (usually it's called "review") is different from regular fast rewind. The machine drives the tape differently. This is usually done with a gear, but older machines used rubber belts or drive wheels. As the rubber wears out they slip against the parts they are supposed to drive and the tape doesn't move. If I remember correctly most Emersons had one rubber wheel called an idler that caused this trouble.
If you'd like to try repairing the machine yourself, try a Google search for your particular model and "won't rewind". There are a number of parts sites and forums that may have detailed information about what needs to be replaced and where on your model.
If you don't feel up to doing this yourself, you might want to consider replacing the machine rather than paying for repair. At today's labor rates - assuming you can find a shop that even still takes VCRs for repair - a new combo VCR/DVD machine might be only a few dollars
more than the cost of repairing your current VCR.
on vcr's if the tape is hard to turn the tape will sense this and reject the tape. Try to get a tape that you can feel turn free eaiser. I would rewind it to the middle of the tape so each side is equal and it would make the tape run easier. If it runs ok then the unit is bad and is too sensitve to the pull on the tape. This is all designed in the electronics and there is not much you can do about it then get return it if you can.
I work at the History Channel and have a VHS that had the same troubles. I need it desperately for the show I am working on. I tapped it on a table fast forwarded it and presto! Tape fixed, crisis averted. Thank you, Thank you, thank you.
The idler wheel (that only drives the tape in play or scan modes) is
slipping too much (very common problem). Try verify this by
putting the tape in play then immediately press the fast fwd or rewind
buttons to scan the tape. On older machines, the idlers used
rubber friction tires - on newer ones, a clutch. Either replace
the tire or increase the spring tension on the clutch.
Hope Ya Fix It.