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No Color on Beta VCR
A portable Beta VCR (Toshiba V-X340) from 1985 works perfectly except
there is no color: 1. Pre-recorded color tapes play back in B&W 2. Tapes recorded on this VCR play back in B&W on this VCR 3. Tapes recorded on this VCR play back in B&W on other known good VCRs Therefore, the VCR can neither record nor playback color signals. The machine has no switch for B&W/Color and the 3.58 MHz oscillator is not out of adjustment. I have checked out all of the Chroma circuitry and all measurements are within the range stated in the Service Manual. Could it be the video heads even if the B&W picture is flawless? If not, what else can be tried? |
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