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  1. lauri68

    RM5631 wanted

    Dear All! I would like to ask some help. I’m looking for any information about RM 5631 integrated circuit (datasheet, app. info.). The RM 5631 is a comprehensive accommodated single chip modem in a type of instrument repaired by me. The named device isn’t available in Hungary so I decided to...
  2. lauri68

    Testing VCR /remote controller

    Hi! If you have an oscilloscope check the pin of the IR-led in the remote controller. You should find an impulse flow when you keep pressed one of the buttons. If the remote controller works you have to find the IR receiver in the vcr. Check the output of the IR receiver. You should find the...
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