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#1
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Yes, all the diodes checked fine yet. The only diodes that checked bad was the bridge rectifier, which I already changed that out for a modern replacement the switching transistor I have not had a chance to check yet, the way they did the power supply in this VCR is that you have to disconnect a ribbon cable that's connected in a strange manner and then undo 2 solder blobs holding it to the main circuit board and then bend a retaining tab and then gently remove it from the main board without cracking the main board.
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#2
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#5
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OK, so I finally got around to taking the transistor out of my VCR, and it seems its a "proprietary" transistor (it was a transistor that was made by Matsushita themselves and it doesn't seem to have a cross reference to any currently made transistors, at least not that I could see.)
Does anyone know what a 2SC3870 NPN Triple Diffusion Planar Transistor cross-reference to? |
Audiokarma |
#6
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I figured it out. I had a transistor from a junker VCR and its working now.
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