Question about Panasonic PV-7451 VHS VCR
Hi, when I playback a casset tape in "normal" mode the VCR does not playback any sounds, but when I switch to HiFi mode it has sound. This is troublesome because I have lots of tape that's in normal mode only (no HiFi), and all of them I don't have sound. Is the VCR broken? Did I miss a connection or a button somewhere? I tried all the menus. Help! Thanks!
This is a wierd problem. First, You cannot do a manual selection for Mono / Stereo (HiFi) for recording in most Consumer Home VCRs. It is auto select, depending upon make, model, etc. Output of course can be selected - Mono, Stereo, HiFi, etc. Now, Most HiFi VCR machines have their Stereo / Hi Fi Audio heads on the Drum assembly, and the Normal /Mono audio Head on the Audio- Control Head. It is entirely possible that just the Audio - Control head has become 'dirty'. If you are good at these things, Unplug your VCR, Open the top cover, and, taking a cotton bud soaked in a few drops of iso-propyl alcohol (any Aftershave lotion will do) clean the Audio control Head. It is found as a small steel block on the mechanism, near the Capstan Pinch Roller ( a great big black roller). Wait for a couple of mins to allow the alcohol to evaporate, and then close the VCR. Power it up, and try playing the Pre-recorded Normal Tapes. Let me know if this has solved the problem.
Posted on Jun 28, 2006
Are these prerecorded tapes or ones that you recently recorded? Or are they all normal audio tapes?? Try a pre recored and turn off the HI fi audio and thats an easy thing to do as put it in normal and mono.. Get back to us so we can assit. Not enough info as could be 100 things.
Posted on Jun 28, 2006
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Posted on Jan 02, 2017
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