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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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JVC HR-J725 vcr
Hi,
I have a JVC HR-J725 ( EK ) in great condition apart from a what looks like a mechanical fault. There's a tape 'stuck inside' and it won't eject. When powered on, a motor tries to unload the tape but there's something stopping it working. It seems that whatever the motor is trying to turn via a belt ( the eject mechanism presumably ) is jammed. Then the unit powers back down into standby after a few seconds. Any insight into how to proceed ? Graham |
#2
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JVC HR-J725 vcr
Take the case apart and manually rotate the basket drive to unload the
basket. Be sure the tape is fully rewound into the cassette first, and not partially spooled. Then, replace the load drive belt (if it uses one). If the tape is partially spooled, try to operate the transport mechanism manually to unload the tape. JR Pooh Bear wrote: Hi, I have a JVC HR-J725 ( EK ) in great condition apart from a what looks like a mechanical fault. There's a tape 'stuck inside' and it won't eject. When powered on, a motor tries to unload the tape but there's something stopping it working. It seems that whatever the motor is trying to turn via a belt ( the eject mechanism presumably ) is jammed. Then the unit powers back down into standby after a few seconds. Any insight into how to proceed ? Graham -- -------------------------------------------------------------- Home Page: http://www.seanet.com/~jasonrnorth |
#3
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JVC HR-J725 vcr
Pooh Bear ha escrito: Hi, I have a JVC HR-J725 ( EK ) in great condition apart from a what looks like a mechanical fault. There's a tape 'stuck inside' and it won't eject. When powered on, a motor tries to unload the tape but there's something stopping it working. It seems that whatever the motor is trying to turn via a belt ( the eject mechanism presumably ) is jammed. Then the unit powers back down into standby after a few seconds. Any insight into how to proceed ? Graham the belt which connects that motor you hear to the gearing has probably gone slack. try assisting it with a finger to see if it will 'bite' and spit out the tape. if not, I suggest you take the unit to a tech, to avoid screwing things up totally. This sort of repair is not normally expensive provided you don't upset the timing of the mechanism. Don't be tempted to play about or it may turn out very expensive later! -B. |
#4
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JVC HR-J725 vcr
b wrote: Pooh Bear ha escrito: Hi, I have a JVC HR-J725 ( EK ) in great condition apart from a what looks like a mechanical fault. There's a tape 'stuck inside' and it won't eject. When powered on, a motor tries to unload the tape but there's something stopping it working. It seems that whatever the motor is trying to turn via a belt ( the eject mechanism presumably ) is jammed. Then the unit powers back down into standby after a few seconds. Any insight into how to proceed ? Graham the belt which connects that motor you hear to the gearing has probably gone slack. Slightly. try assisting it with a finger to see if it will 'bite' and spit out the tape. Yes I did that. Whatever's on the other end of the belt is 'locked up' in one direction. if not, I suggest you take the unit to a tech, toavoid screwing things up totally. This sort of repair is not normally expensive provided you don't upset the timing of the mechanism. Hmmmm... I wonder if that's the problem with another JVC video I have. The pinch wheel won't properly engage. Not because I played with it though. Don't be tempted to play about or it may turn out very expensive later! Ok ! Any idea what it actually is ? Graham |
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