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  • 422 replacement buttons

    My 422 has worn out buttons on the control board. Does anyone know of a replacement part number? I plan on soldering new ones on.

  • #2
    Monitor never made switches for the Switch and Lamp. If you could get them from an electrical parts place, you would have to be very good with a solder gun to replace them.
    The Switch and Lamp part # is 6266. I have seen this part on EBAY.

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    • #3
      The switches are known as tact (for tactile) switches. If you can remove one you might find a manufacturer & part number. Google ENG_CD_2-1437565-2_P5.pdf for a drawing of a similar button. These are through-hole vertical-mount & probably normally-open momemtary close (except for the power button). You might be able to find some other style if it will fit in the same space.

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      • #4
        they look very easy to solder, I just need a source for a part.

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        • #5
          You need to measure the dimensions of one of the switches. They can be 5 x 5 x 5mm or 6 x 6 x ?. You need to find some with the same pin spacing & the same height to the top of the button; length & width aren't so critical as there seems to be room on the board. Check out eBay & Amazon for availability. I think I saw some on eBay for $5 for 10, shipping included, but you should check the dimensions. Allied Radio might be another source, though parts supply houses sell these in quantities of 1000 or more.

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          • #6
            Rob if you are looking for the buttons I think you are I may have some. I have a few boards from a parts machines that I have pilfered a few bottons from to replace broken ones on a machines I have in service, They are not difficult to change if you have any soldering skills.... Little square buttons for the settings etc?

            If you can you put up a pic of the buttons you are looking for I can remove 1 or 2 that you can have.

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            • #7
              Heater PCB Repair in North Carolina will over haul your M422 Indicator board for $90.00.

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              • #8
                pic

                Originally posted by OnTheEdge View Post
                Rob if you are looking for the buttons I think you are I may have some. I have a few boards from a parts machines that I have pilfered a few bottons from to replace broken ones on a machines I have in service, They are not difficult to change if you have any soldering skills.... Little square buttons for the settings etc?

                If you can you put up a pic of the buttons you are looking for I can remove 1 or 2 that you can have.
                here is a picture:
                Attached Files

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                • #9
                  Yup, I have a board that has a few left on it. How many do you need? PM me your Address and I will get a few out to you..

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                  • #10
                    Rob,
                    Give me a day or 2 to remove them and get them in the mail.

                    John

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