Question about Saeco Magic Roma

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The potentiometer knob broke

I bought a new knob , how to replace it?

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Hi,

Do you mean the steam knob? if so you have to take a screw driver between the chassis and the knob, then you do a ****. There are some kind of glue on it.

Posted on Jul 12, 2008

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The volume conrtol knob on my Casio Privia Px-320 doesn't work. The volume won't go up or down and the knob feels loose. Can I fix it at home?


I found an answer at the end of this page: http://music-electronics-forum.com/t31080/ After replacing the potentiometer volume is OK. The original potentiometer has a very delicate axis.

Dec 29, 2012 | Music

1 Answer

Speaker output knobs producing crackling sound from speaker


The problem is that the potentiometer that the knob is connected to is dirty. This is a common problem with age, or quality of installed potentiometer. (potentiometer is the name of the component that the knob attaches to. It usually looks like a 1/2" long cylinder)

There are multiple solutions to this problem. The first is free & anyone can do. While the unit is off. Twist the knob back and forth quickly and rapidly numerous times. Roughly 10-15 times will do. This sometimes allows for the connections within the potentiometer to reconnect, and remove the crackle.

The second solution involves some handy work. The unit's case will have to be disassembled, and the potentiometer that the knob is attached to must be found. There is usually a relief hole somewhere on the housing. Within this relief hole one can spray contact cleaner. This cleans the contact within the potentiometer which is the cause of the crackle. Once the pot has been sprayed, rotate the knob like in step 1.

If steps 1 & 2 do not work, the potentiometer will need to be replaced. This work usually needs a professional. If you are handy with a soldering iron, it can be accomplished. Look for any particular part #'s on the crackly potentiometer, and then copy these into a online parts catalog. Mouser.com and Digikey.com are excellent resources for finding parts. Upon finding a replacement, it can be swapped out, and provide the user with a crackle free knob.

As always, make sure power to the unit is disconnected. If you are unsure of electronics, please use caution, as dangerous voltages may reside that can cause personal injury.

Mar 16, 2011 | Crown Audio Players & Recorders

1 Answer

The loudness knob has suddenly stopped working. The knob just spins, won't turn on the receiver at all. Any ideas?


The knobs are usually connected to a potentiometer; basically a variable resistor circuit with a long shaft that the knob attaches to. The knob could be secured to the shaft with a plastic grommet, which can be stripped. It could be attached by a small screw on the knob, and tightening that would fix it. Or, it's possible that the potentiometer itself broke, and would need to be replaced.

If the "pot" is broken, a repair shop should be able to fix it for less than $50. If you're handy with tools, you can take the 7100A apart; hopefully read the specs from the potentiometer; and buy a new one. Replacing it shouldn't take more than a few screwdrivers, some pliers, and a soldering iron...

Good luck!

Feb 06, 2011 | Sherwood 7100A Receiver

1 Answer

Realistic (Radio Shack) model STA-430 AM/FM Stereo Receiver. Erratic sound-- cuts in / cuts out, high static. Turning "balance" knob all way to left or right kills all sound. NEED to replace "balance"...


If the receiver is a new one (a couple of years) I suggest you don't replace the balance potentiometer. It's a potentiometer with rare use so the inner carbon film can't be destroyed. I suggest you to open the case and use a contact cleaner spray (clear, without oil) and spray direct at the potentiometer. Turn it all the way from left to right many times. When it will come dry you will see the diference. As far as the suggestion for clear (without oil) contact cleaner spray, I insist on that because the lubricating oil will cause a trap for the dust and will ask for cleaning again and again. Also for potentiometers with rare use there is no need for lubricating oil.

I think that this solution is much easier than chanching a potentiometer, since the device is not too old.

In case of a problem or clarification, don't hesitate to post me a reply.
If you are satisfied, rate my solution with the "thumbs" or (even better) add a testimonial.

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Aug 30, 2010 | Audio Players & Recorders

2 Answers

The knob you use to turn the dryer on has broke off


have you been able to turn it with some pliers try it and then just get a replacement of ebay

Oct 25, 2009 | Frigidaire GLER341A Electric Dryer

1 Answer

Volume control broken


You can purchase clear 2-part epoxy products at most home improvement stores. You will also need masking tape (or similar) a popsicle stick (or similar) a small piece of cardboard and a toothpick.
Mix the epoxy with the popsicle stick and apply a small amount to the exposed surface of the volume control's stem. Holding the knob in place, run a strip of tape from the top of the unit, across the knob and to the bottom.
These epoxies are very strong and fast setting. It's probably best to leave the tape for at least 8 hours but you should refer to the instructions for the epoxy you buy.

Good Luck,
BB

Jan 05, 2009 | Yamaha HTR-5830 Receiver

4 Answers

Logitech Z2300 rustling sound on volume knob movement


I would definately not open up the wired remote. As for the rustling sound, I had the same problem with my set (only with a hissing sound instead of rustling). Make sure the output on your computer is all the way up, as well as the volume on whatever media player you are using. That eliminated the sound for me, but it might be a different problem alltogether.

Feb 05, 2008 | Logitech Z-2300 Computer Speakers

1 Answer

I need a component?


IS whether only the KNOB get broked or the WHOLE speaker got worsed...
If ur control KNOB only got damaged, then try to OPEN the speaker, and find the VALUE of the POTENTIOMETER... u can get the control from any ELECTRONICS BAZAAR or in any electronic spares shop...
then FIX it...

Dec 12, 2007 | Logitech X-530 Computer Speakers

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