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kbhuvi

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    New Delhi, India
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    Bhuvaneshwar
  1. Thanks @VanArn I have not contacted sony as it is late 80s amp. I am looking at a similiar solution as suggested by you - some sort of rotary selector electro mechanical switch but without relays as the board would need its own power supply. Regards Bhuvaneshwar
  2. Dear Fellow Members The amplifier has 4 selector switches which use 'rotary slider switch'. The switches are mechanical devices with flex ribbons. On rotating the switch, the ribbon is pushed/retracted which in turn pushes a button on the input pcb in the back of the amp near the input rca jacks. The manual lists them as rotary slider switch or remote. One of the switch has developed a problem (worn out plastic housing) and it does not lock in its position. This in turn does not press the relevant button and no action takes place. The injured switch is th
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