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Thread: Syncrowave 250 Control Board Part List PC1 needed

  1. #1
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    Syncrowave 250 Control Board Part List PC1 needed

    This is my first Post. I successfully repaired the control board 5 years ago but it has failed again.
    the problem is the schematic in TM-353D for the control board does not give any values or part numbers for the control board components. you have to read the values off the parts themselves which is normally fine but this time resistor R121 has completely burned up and i don't know the value. Does anyone have a parts list for the control board or maybe you might have the value of R121? The Control Board part number is 132887 and the Resistor Value needed is for resistor R121. I'm avoiding buying a replacement board for $400

  2. #2
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    Re: Syncrowave 250 Control Board Part List PC1 needed

    I have a synco wave 250. Will see what I can do

  3. #3
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    Re: Syncrowave 250 Control Board Part List PC1 needed

    I have some service manuals for Sync 250s of various vintages...send me your serial number and I might be able to look up a part number or send you a schematic.

  4. #4
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    Re: Syncrowave 250 Control Board Part List PC1 needed

    Well i was hoping to send along this info, but i have the same problem with a different component on a different PC1 from you. Anyone got a value on R90 on PC1 138307?

    These things don't really work too well covered in magnetic dust... lol.
    Miller Syncrowave 300(s)
    Miller 330 A/BP
    Miller CP-200 Haas / Kamp'd / CP-300 in process
    Miller Radiator 1
    Miller 30A /S-52E feeders
    Hobart GR-303

  5. #5
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    Re: Syncrowave 250 Control Board Part List PC1 needed

    What's the first part of your serial number? Should start with L probably. Gimme the first five digits/characters so I can make sure I'm looking at the right P/L.

    Somebody over at the Miller forum might be able to help, too. And Miller4Less.com is often decent on parts prices.

  6. #6
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    Re: Syncrowave 250 Control Board Part List PC1 needed

    Quote Originally Posted by Kelvin View Post
    And Miller4Less.com is often decent on parts prices.
    It looks like that part # has been replaced by 180014....$950 pretty much everywhere.
    Check out my bench vise website:
    http://mivise.com


    Miller Syncrowave 250DX
    Millermatic 350P with XR AlumaPro
    Miller Regency 200 with 22A feeder and Spoolmatic 3
    Hobart Champion Elite
    Everlast PowerTig 210EXT

  7. #7
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    Re: Syncrowave 250 Control Board Part List PC1 needed

    Kc. That's why I'm fixing myself!!! I can solder

    Sent from my LG-TP450 using Tapatalk
    Miller Syncrowave 300(s)
    Miller 330 A/BP
    Miller CP-200 Haas / Kamp'd / CP-300 in process
    Miller Radiator 1
    Miller 30A /S-52E feeders
    Hobart GR-303

  8. #8
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    Re: Syncrowave 250 Control Board Part List PC1 needed

    Hey Spinroyd,
    According to my manual the R121 resistor is a 1/4 watt 392 ohm resistor. Orange White Brown Red

    Hope this helps.
    Doug
    Attached Images Attached Images   
    Last edited by Doug_; 3 Weeks Ago at 12:07 AM.

  9. Likes 86turbodsl, Kelvin liked this post

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