Electronics > Repair
Weller WD1 Discussion and Repair
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nanofrog:

--- Quote from: M. AndrĂ¡s on March 31, 2013, 09:41:26 pm ---it was the wrms kit what used the 24v version of this, i dont know if the wxmp different or not but i dont know the reason too why its not supported by the wd series only the wx stations

--- End quote ---
I'm guessing the voltage differences (power boards weren't designed to switch between 12V & 24V irons). At least here in the US, searching (both Apex and distributors), all indicate that the WRMP is coming up as 24V and is compatible with the WD1/2 M variants.

Funny thing is, the link I gave from Apex, states the information is for the WRMP, and the photo is of the WRMS (check the larger image). I know companies don't always use the correct image, but rather a common image for a series/product family, but I'd hope the specs listed for the stated P/N are correct.

Currently, I'm trying not to convert my unit given Weller's QC issues (seen issues of both irons and power heads dying in this and later series; very recent news to find the WMD series is the same).
Zapro:
I do believe, that you cannot modify a WD1/2 for the WMRP pencil. The WMRP pencil does use a K-type thermocouple, and not a NTC like in all the other stations.

I have a WD1M station, that I have taken apart to see how it works, similarly, i've taken an WD1 station apart to see, what the differences is.

There is no thermocouple-amplifier in the WD1/2 station, so it cannot read a thermocouple iron (e.g. WMRP)

So, it's not all up to software differences.

// Per.
dungad:
Hi All, I'm new to the forum and need a bit of help.
I've found an old welled WD1 that someone removed bits form the power board(I assume only the BTA12 is missing and have a good idea of where it needs to go) but can someone please post a photo so that I can compare and see what else may be missing form my unit?
Cheers,
Dan
quanttrom:
would schematics be adequate?
dungad:
Yes, schematics will help more. Can you point me to where I can find them?
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