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Phillips PM 3262 unable to switch on

Discussion in 'Troubleshooting and Repair' started by Henning, Nov 6, 2013.

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  1. Henning

    Henning

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    Nov 6, 2013
    I have an PM 3262 bought in the 80's.
    When switching it on I hear the click from a protection unit in the bottom rear. There is also a lamp on this board blinking at about the same rate as the led in front. The led on the front is also blinking and then goes black. If I wait 5 min. the same happens.
    If I try again at once nothing happens.
    Any tips to what it might be
     
  2. KrisBlueNZ

    KrisBlueNZ Sadly passed away in 2015

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    Nov 28, 2011
    It's an oscilloscope BTW.

    Can you find a schematic or service manual for it?
     
  3. Henning

    Henning

    4
    0
    Nov 6, 2013
    PM3262

    Yes I have the Complete manual for it.
    The lamp blinking is in the focus unit
     
  4. KrisBlueNZ

    KrisBlueNZ Sadly passed away in 2015

    8,393
    1,268
    Nov 28, 2011
    Sounds like a high voltage is arcing over. Often due to dust or moisture. Can you see any other sparking or corona if you look inside in a dark room?

    Can you scan and post the schematic? Or at least the schematic of the high-voltage circuitry and the power supply? It will probably be too large to post in the forum but you can upload it to some online storage site and post a link to it. And tell us the circuit reference of the neon that's blinking.
     
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