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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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Isn't This Just Weird?
Hi, All;
I had been getting interference on channel 6, probably due to the local radio stations transmitting on 88 MHz, so I went out and bought a [cheap] FM filter. The filter worked pretty well to clear up the noise on ch. 6 but it blocked all of the upper channels past six. So I removed the filter, put everything back the way it was, and I thought everything would be fine. Ha! The video went bad on all stations and the VCR is totally useless. Well, actually, it's a combined VCR/DVD player and while the VCR is so much crap the DVD player still works perfectly. Has anybody ever heard of a VCR going bad because of a $5.00 filter that was only installed for a few minutes? Ron |
#2
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Isn't This Just Weird?
Ron wrote:
Hi, All; I had been getting interference on channel 6, probably due to the local radio stations transmitting on 88 MHz, so I went out and bought a [cheap] FM filter. The filter worked pretty well to clear up the noise on ch. 6 but it blocked all of the upper channels past six. So I removed the filter, put everything back the way it was, and I thought everything would be fine. Ha! The video went bad on all stations and the VCR is totally useless. Well, actually, it's a combined VCR/DVD player and while the VCR is so much crap the DVD player still works perfectly. Has anybody ever heard of a VCR going bad because of a $5.00 filter that was only installed for a few minutes? Ron You probably smushed (technical term g) one of your cables in the process. -- The e-mail address in our reply-to line is reversed in an attempt to minimize spam. Our true address is of the form . |
#3
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Isn't This Just Weird?
Ron wrote:
Hi, All; I had been getting interference on channel 6, probably due to the local radio stations transmitting on 88 MHz, so I went out and bought a [cheap] FM filter. The filter worked pretty well to clear up the noise on ch. 6 but it blocked all of the upper channels past six. So I removed the filter, put everything back the way it was, and I thought everything would be fine. Ha! The video went bad on all stations and the VCR is totally useless. Well, actually, it's a combined VCR/DVD player and while the VCR is so much crap the DVD player still works perfectly. Has anybody ever heard of a VCR going bad because of a $5.00 filter that was only installed for a few minutes? Ron Most likely is a connector not fully snugged up so the ground (shield) is not secure. This would most likely be an issue if the FM was seriously stronger than the TV 6, as in you're pretty close to the FM but the TV station is is much farther away. There is also a chance that if you forced the connector, the shield connection solder joint cracked inside the VCR. Try a reputable manufacturer filter like Winegard or Channel Master but if you're dealing with a very frequency low FM station (88.1 is most difficult), it may not be possible. Channel 6 aural carrier is 87.75MHz. You might try a tunable trap to notch out a specific FM station. GG |
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