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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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How to convert VCR from PAL BG/DK to PAL/I ?
How to convert VCR Philips VR 451/59 from PAL BG/DK to British PAL/I ? |
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How to convert VCR from PAL BG/DK to PAL/I ?
"flobber" wrote in message ... How to convert VCR Philips VR 451/59 from PAL BG/DK to British PAL/I ? The only basic difference between PAL B and PAL I that will cause you any trouble, is the sound spacing, +5.5MHz for PAL B, and +6.0MHz for UK PAL I. With most TV's and VCR's, it is only necessary to locate the sound intercarrier 5.5 meg filter ( usually a 3 legged device that's either matt buff colour, or shiny blue, and looks like a small polyester cap ) and replace it with a similar 6 meg type. You can usually cull one from an old scrap chassis. They normally have either " 5.5 " or " 6.0 " printed on the side of them. Once you have replaced the filter, you normally need to slightly retune the demodulator coil ( assuming that it has one ). Used to do quite a few, but haven't recently. As far as I know though, the sound IF strip hasn't changed any. Arfa |
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