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  • Users: byacey
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  1. byacey

    M7310 transmit volume, Schematic?

    I have a number of M7310 and '08 sets that have low transmit volume. Replacing the handsets and cords doesn't seem to help. Doea anyone have a schematic or a partial schematic showing the input stage for these sets? I suspect something has deteriorated in the preamp stage. This is on an old DR5...
  2. byacey

    M7308 schematic

    I have some 7308 and 7310 sets that have low volume from the mouth piece, and I have tried replacing the handsets, but no difference. Does anybody have a complete or partial schematic of the handset input gain stage?

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