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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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VCR JVC HR-A33U loads non-existent tape and re-loads existent
Good day, everyone!
I am working on VCR JVC HR-A33U. Upon powering up it attempts to load a non-existing tape. When real tape is injected, the machine works more or less properly. But when tape needs to be ejected, VCR spits it out and then re-loads it back. Mode switch and alignments were checked and appear to be in order. (Cleaned and re-assembled more than once, with all check points observed. There is no problem with that). This machine loads tapes off capstan motor (not off loading motor) and I can not figure out how the inserted tape is sensed, what triggers the capstan motor to start to spin in order to pull the tape in. Any advice is appreciated. Viatcheslav |
#2
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Some older JVC's would have this problem due to a loose grounding screw
underneath the mechanism. It would trigger a tape sensor because the ground was lifted. Mark Z. -- Please reply only to Group. I regret this is necessary. Viruses and spam have rendered my regular e-mail address useless. "Viatcheslav Riabov" wrote in message om... Good day, everyone! I am working on VCR JVC HR-A33U. Upon powering up it attempts to load a non-existing tape. When real tape is injected, the machine works more or less properly. But when tape needs to be ejected, VCR spits it out and then re-loads it back. Mode switch and alignments were checked and appear to be in order. (Cleaned and re-assembled more than once, with all check points observed. There is no problem with that). This machine loads tapes off capstan motor (not off loading motor) and I can not figure out how the inserted tape is sensed, what triggers the capstan motor to start to spin in order to pull the tape in. Any advice is appreciated. Viatcheslav |
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