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Vinotemp VT-12TEDi Motherboard Repair

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  1. Vinotemp VT-12TEDi Motherboard Repair, Power Cord: étape 1, image 1 de 2 Vinotemp VT-12TEDi Motherboard Repair, Power Cord: étape 1, image 2 de 2
    • Remove nine 12mm Phillips screws from the upper back panel.

    • Remove three 12mm Phillips screws inset under the back panel.

    • As soon as the screws are removed, the panel will fall freely.

    • When replacing the twelve 12mm Phillips screws, do not tighten the fasteners until all twelve screws have been loosely fitted back onto the cooler. This will ensure the flimsy metal casing will not warp.

  2. Vinotemp VT-12TEDi Motherboard Repair: étape 2, image 1 de 1
    • Power Cord Fastener

    • Ground

    • Motherboard

    • Heat Sink Fan

    • Heat Sink

  3. Vinotemp VT-12TEDi Motherboard Repair: étape 3, image 1 de 3 Vinotemp VT-12TEDi Motherboard Repair: étape 3, image 2 de 3 Vinotemp VT-12TEDi Motherboard Repair: étape 3, image 3 de 3
    • Remove two 7mm Hex Nuts.

    • Clearance is minimal and these screws are very tight. You will likely need a socket wrench to avoid stripping.

    • If the white plastic components stick, pry them apart with a metal spudger. Don't pull on the power cord to get plastic pieces to separate.

  4. Vinotemp VT-12TEDi Motherboard Repair: étape 4, image 1 de 2 Vinotemp VT-12TEDi Motherboard Repair: étape 4, image 2 de 2
    • Remove one 12mm Phillips screw securing ground.

  5. Vinotemp VT-12TEDi Motherboard Repair: étape 5, image 1 de 3 Vinotemp VT-12TEDi Motherboard Repair: étape 5, image 2 de 3 Vinotemp VT-12TEDi Motherboard Repair: étape 5, image 3 de 3
    • Remove power cable from motherboard.

    • Pinch cable connector to release it from the motherboard, then pull.

  6. Vinotemp VT-12TEDi Motherboard Repair: étape 6, image 1 de 1
    • Your power cord is removed.

  7. Vinotemp VT-12TEDi Motherboard Repair, Vinotemp VT-12TEDi Motherboard Repair: étape 7, image 1 de 1
    • Remove heat sink fan cable connector.

    • Remove cold sink fan cable connector.

    • Remove temperature control board cable connector.

    • Remove temperature NTC cable connector.

  8. Vinotemp VT-12TEDi Motherboard Repair: étape 8, image 1 de 2 Vinotemp VT-12TEDi Motherboard Repair: étape 8, image 2 de 2
    • Remove four 12mm Phillips screws.

    • Once the four Phillips screws are removed, the motherboard will dangle there until you remove the heat sink. Be careful.

  9. Vinotemp VT-12TEDi Motherboard Repair: étape 9, image 1 de 1
    • Remove four 15mm Phillips screws.

  10. Vinotemp VT-12TEDi Motherboard Repair: étape 10, image 1 de 1
    • Cut zip tie binding wires together.

  11. Vinotemp VT-12TEDi Motherboard Repair: étape 11, image 1 de 1
    • Remove two 32mm Phillips screws.

  12. Vinotemp VT-12TEDi Motherboard Repair: étape 12, image 1 de 2 Vinotemp VT-12TEDi Motherboard Repair: étape 12, image 2 de 2
    • Remove heat sink slowly to avoid breaking cold sink fan cable.

    • Disconnect cold sink fan cable.

  13. Vinotemp VT-12TEDi Motherboard Repair: étape 13, image 1 de 1
    • The heat sink and motherboard are removed. Yay!

    • The Vinotemp VT-12TEDi has a very high rate of capacitor failure on the motherboard. Before buying a new motherboard:

    • Check for capacitor failure.

    • Learn how to solder and replace the broken capacitor yourself.

Conclusion

To reassemble your device, follow these instructions in reverse order.

9 autres ont terminé cette réparation.

Jeff Snyder

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4 commentaires

Hello, I just recently repaired a Vino Temp VT-Humidor for a friend, based upon this article, and wanted to let others know that the VT-Humidor uses the same control board as shown in this repair article. At least the one from 2008 that I repaired does. I found one bad capacitor on the board, which seems to be the biggest failure mode. I am currently working on an Emerson FR966 for the same friend and while the circuit board isn’t exactly the same, it appears to be very similar and the board has the same URL for the mfg. www.hanny.com.cn as the board in the Vinotemp units. Will post again if/when I figure out the problem with the Emerson.

Thank You,

Dave

David Gerecke - Réponse

there are 3 connecting device on the board, CN3 FAN, CN4 Fan, and one CDN where do we connect heat fan and cold fan?

Marc Huot - Réponse

The red one is for the internal circulation fan. The other two, I believe, are actually the same (for a two heatsink system). But if you only have one fan, I believe it is hooked up to the top (nearest the corner) connector.

Someplace I have a schematic. My external fan died and I wanted to put the schematic with the unit. Now I can’t find the darned thing. If I could, I’d be able to answer you definitively, but I am almost positive that you can put the heatsink fan on either and you’ll be fine.

Alan -

The red one is for the internal circulation fan. FAN1 and FAN2 are actually the same, so you can plug it into either one. There is a great thread on these controllers here:

https://forum.allaboutcircuits.com/threa...

The tech article really centers around replacing the electrolytic capacitors because they seem to be *very* poor quality. In post #38 there is a link to an excellent thread by another person, but it is all in Spanish:

https://dicasdozebio.com/2013/12/01/1547...

To cut to the chase, however, the author posts two pages of schematics for the board (mind you, there are a few variations, but the general circuit is pretty similar. There isn’t a whole lot to the concept. The links to the schematics are here:

https://dicasdozebio.files.wordpress.com...

https://dicasdozebio.files.wordpress.com...

Alan - Réponse

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