Question about Black & Decker SmartBrew DCM500 Coffee Maker

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Same problem -lucky it work in manual

And I bought at auction for $6.00

If I knew where to get a replacement control circuit board with primary control chip for cheap, I'd replace it.

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Try or eBay to find one like it and change parts out.

Posted on Nov 18, 2008


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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi there,
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Posted on Jan 02, 2017


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Will not select new stitches and needle stuck in one positioh?

Hi Nanette...the first thought I had is..if it's electonic circuitry, there's. a possibility that your circuit board or boards have a failed part. The reason I mention this..I own two Singer Athena 2000. These allowed different stitches that happen via electronic circuit boards. One of my Athena's will only stitch straight because the circuit board that controls stitch selection has failed. The other works fine. first suggestion is to look for a circuit board replacement and depending on the cost and value to you...have it replaced or better yet, replace it yourself. Though, you could compare buying a used one like yours since, often times, electronic boards are expensive. Just look to see if the board is still available. at..and this is just an
If you decide to take it in for repair and you have a price knowledge of the part, you'll have a better idea if the price for repair with labor makes sense to you. Depending. on the model,also, your electronic. baord may be easily repaired as some boards look very simple with a few resistors and capacitors...the capacitors will fail withwith, but are cheap and easy to replace. Obviously..someone would need to look at your circuit. board and see if the parts are out of tolerances. A bulging capacitor is a sure sign that your board has failed and is lucky to stitch straight. Hope this helps you resolve this...I was lucky and I just found a used Athena for $25 on Craigslist that works...cheaper than having a refurbished. board installed. Best Wishes!


Oct 29, 2017 | Sewing Machines

1 Answer

I bought tv 19/4/16 and the screen has gone all crackly got sound but no picture

It sounds like you have broken the display panel. This is really expensive to repair. If you get lucky, you can find a other broken tv with good panel and broken circuits to use your tv circuits to fix that screen (board is lot simpler to replace than panel). Usually it's cheaper to buy a new screen, sorry for your loss...

PS. Working TV circuits are quite something worth. You can sell the boards for getting money for the new screen.

May 11, 2016 | Televison & Video

1 Answer

Its a Toshiba RD-XV49DT DVD/DivX/VHS Player/Recorder Combo, replaced power supply board as was blowing fuses found components have shorten out and now after replaced board, video works and i think hard...

The controller circuit (usually a small board connected directly to DVD drive - it is either part of the drive or a sub-assembly which is attached - and contains several ICs and small capacitors and a lot of surface-mounted components on its copper side) is probably faulty, possibly due to the original bad PSU (which you have since replaced), chances are the original faulty PSU has damaged this circuit - usually DVD drives operate around 12V DC or so. The digital controller circuit/board not only has the EEPROM/CPU etc. on it, but also has a servo supply - for the DVD (the VCR servo supply is on the motherboard). This powers the disc tray and traverse unit. The controller is not serviceable at component level; it must be replaced and in some cases, the DVD drive must also be replaced where the board is not separate to the drive. This may not be economical.

It may just be a simple case of a blown digital controller circuit - but be warned, this board is not cheap - it is part of a 'module' (the disc drive and controller together = DVD module), and you may not be able to obtain the board without a new DVD drive. Up to you what you do from here, and you might be lucky in terms of the motherboard and HDD - no damage there.

Apr 11, 2011 | Toshiba Televison & Video

2 Answers

No power

The main PSU is part of the control board. You may be lucky to find an aged fuse to replace, but it's more likely a power transistor that's fried.

Unplug and remove the control board to see which bit's toasted. Chances are it's cheaper to replace the control board - but check the probable cause - the motors are not short circuited.

May 02, 2010 | Samsung DMR77LHS Tall Tub Dishwasher

1 Answer

I have a Canon T70 SLR and I cannot get anything to work it does not advance the film I cannot get the programs to work,I cannot set the ISO

Your only fix for this is to replace the camera. The faults you describe indicate a main circuit board failure and it's simply not economic to repair.

The spare boards are long discontinued (the camera is nearly thirty years old) and you can buy a replacement T70 body realistically for between £5 and £20 on auction websites which is far less than the repair costs if you were lucky enough to find a spare board. In reality, the camera is usually a free item attached to whatever lens it comes with (a typical recent example is item number 110487194549 .

As they're effectively worthless, they do also turn up on FreeCycle occasionally.

Sorry that I cannot offer you a quick fix, but hopefully I've saved you the time and worthless expense of repairing your camera. All that I ask in return is that you return the favour by rating my answer.

Feb 05, 2010 | Cameras

2 Answers

Stuck in standy

if the amp comes on in standby that means it needs repair

Jan 26, 2009 | Denon DRA-455 Receiver

1 Answer

Machine won't turn on when I push the button

I had the same problem with a Fisher & Paykel Smartdrive 701. First try disconnecting power lead for 5 mins, then plug back in and try again. It sometimes resets itself. Second try is the fuse. Take off the control panel cover (2 screws), open the blue control box (the larger one still mounted in the machine) and you'll see a simple fuse. If you're lucky this is a very cheap fix and hopefully didn't blow for a reason.
If the fuse is OK then it will be the main circuit board blown in the smaller blue box that comes off with the control panel. F&P don't sell component parts for these like a simple blown micro-switch, and a new board is $200+ labour to fit.(5 mins)
Great washing machine but my boards only last 4 years between replacements. Have now bought their new Aquasmart machine.
Good luck.

Sep 08, 2008 | Washing Machines

1 Answer

Microwave does not turn on

There are about as many causes of this as there are parts in the set. To Start with, Check that the microwave is not plugged into a GFCI wall socket.. If it is, make sure the socket has not been tripped. If it has reset it. Make sure the set is unplugged for the rest of this. Follow the power cord in the unit to find the primary fuse. You'll need to test the fuse with a Continuity tester since this fuse usually a ceramic fuse and you can't just tell by looking at it. If that's good, the problem will most likely be a mini fuse on the controller board or a fuselink that's in side the small transformer on the controller board. If lightning is suspect, you can pull the board out and look at the circuit side to check to burned traces. Replace any MOVs that may be on the board otherwise any corrective work is just wasted. Back to the primary fuse... If the primary fuse is blown.... Chances are that you have a bad Diode in the Tube side of the circuit. Depending on the age of the unit... it maybe a HVR-1 diode. If their are no relays on the controller board, check for a bad Triac. It could be just time to junk it.

Sep 07, 2008 | Microwave Ovens

1 Answer


Hi there! The switches probably need changing on the circuit board inside the unit as they corode after time. Mine had the same problem lucky for me my brother is god with circuit boards and replaced all switches and now they work fab. Or you can bye special electric switch cleaner and clen te switches on the circuit board. Hope this helps.

Jul 18, 2008 | Pioneer CDJ-500II CD Player

1 Answer

Sanyo EM-710F display dead

Low voltage Tx actually OK. Restored vaporised circuit tracks on controller board, fuse and interior light globe. All working OK.

Jun 18, 2008 | Microwave Ovens

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