Author Topic: Maytag Bravos MCT Washer Service manual wanted  (Read 2616 times)

Offline remotelarry

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Maytag Bravos MCT Washer Service manual wanted
« on: August 21, 2012, 08:21:27 PM »
Need manual the covers the MVWB850WQ washer. 

Especially interested in the schematic of the control board, tough I doubt that is published since it is not likely considered a serviceable item.  Rest of manual or tech sheet on this model type would be appreciated since the diagnostics are a little different than shown in other Bravos manuals

Thx
Larry

Offline scrapiron

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Re: Maytag Bravos MCT Washer Service manual wanted
« Reply #1 on: August 22, 2012, 11:45:31 AM »
Tech sheet should be located in plastic bag on inside of cabinet front. Unless some Bozo didn't put it back after looking at it. (One of my pet peeves  >:( )
Use a putty knife to release top hold-down clips.
« Last Edit: August 22, 2012, 11:46:29 AM by scrapiron »

Offline AJ

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Re: Maytag Bravos MCT Washer Service manual wanted
« Reply #2 on: August 22, 2012, 11:50:04 AM »
There are two different tech sheets depending on if it's a Q0 or Q1 at the end of the model number.
I have attached both of them for you. Have not looked to see what the difference is.


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Offline remotelarry

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Re: Maytag Bravos MCT Washer Service manual wanted
« Reply #3 on: August 22, 2012, 01:06:44 PM »
AJ and Scrapiron,  thanks both of you for the information.  The difference between the 0 and 1 at the end of the model number should only be color.  Not sure that impacts the tech sheets unless they mention.  I do see some differences in the wiring diagram and in the pictorial of the control board, so maybe there is more to it than I thought.

Thanks again
Larry

Offline remotelarry

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Re: Maytag Bravos MCT Washer Service manual wanted
« Reply #4 on: August 22, 2012, 01:14:05 PM »
AJ, a couple of days ago the washer was throwing dL code and diagnostic modes show F82 and F83.  The washer had been repaired once before for a broken lid lock latch by a Sears tech and I was attentive enough to see that removing the top, etc, was not a big deal so I took out the lid lock assembly this time and checked the resistances per information on the web.  Indicated a broken lid lock assy.  I took the assy apart to check inside and there was a burn mark around what looks to be a thermistor or current limiting resiston in series with the little electric motor.  The device in series was burned up completely so I bought a new one assy, plugged it in and still showing dL code.  Last night I removed the control module and the lid lock motor driver chip had its top of the package blown off and pin number 2 had completely fused off.  I am an electrical engineer and to see this kind of damage on the chip was surprising to me.  It would take a lot of current to fuse one of these pins and blow up a chip like this so something happened somewhere to cause this kind of damage.  So it's off to get a new control board.

Cheers
Larry

Offline RegUS_PatOff

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Re: Maytag Bravos MCT Washer Service manual wanted
« Reply #5 on: August 24, 2012, 02:15:38 PM »
The difference between the 0 and 1 at the end of the model number should only be color.  .
NO, that's a manufacturing change ...
Q is color = white
B  = black
L = silver
R = red
« Last Edit: August 24, 2012, 02:17:46 PM by RegUS_PatOff »
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Offline remotelarry

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Re: Maytag Bravos MCT Washer Service manual wanted
« Reply #6 on: August 24, 2012, 04:54:39 PM »
Reg

Got it.  Mine is MVWB850MQ0 so it's white, rev 0

Thanks.  And the spec sheet for the "0" unit matches my washer.
Larry

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