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Searching hq7740 printed boaard CPC 694V-0

Electronic printed board CPC 694V-0

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How do I clean the keys that are a combination of dust & grease

Hi, I buy sell and repair electronic keyboards, unless the problem is really bad then try this:-
Remove as much dirt and dust as possible DRY. Use a vacuum cleaner and a clean paint brush with long soft bristles. Turning the keyboard upside down helps, work round each key, work from the back to the front of the key.
Assuming the keys are plastic.
You can use foam cleaner and sometimes isopropanol (a synthetic alcohol, used for cleaning in electronics) when needed, but Mr Muscle Kitchen is just as effective. There are other usable cleaners the important thing is they DO NOT contain lime scale remover OR bleach.
Spray the cleaner onto a "J" cloth and wipe the keys. Also upside down if possible. It is surprising how grubby the keys can get and some deposits can be removed with label remover. Use this on the cloth sparingly and rub gently.
Label remover is available from CPC, search CPC Farnell.

Feb 11, 2015 | Yamaha Music

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Cpc e2 94v 0

So your problem is Cpc e2 94v 0
I remember that problem, to fix it you follow the online instructions for problem Cpc e2 94v 1 which is identical, but a year newer.

Oct 11, 2013 | Computers & Internet

1 Answer

I have a CPC 925 (7 years old) that's been in storage for four years. Its been stored at room temperature, covered, on tripod, vertical position facing down. Should I be looking for any potential...

There is really nothing to be concerned about. The biggest enemy of electronic device is moisture. As far as failure, electronic device have the highest failure rate when brand new. I know this sound crazy but it is true. Since a lot of failure in electronic circuits is due to poor design, and manufacturing. Electronic components are very hardy things, and can withstand even temperatures that would kill a living thing. One last thing to mention on electronic is dust that has accumulated can ruin electronic circuits on high current sections that require fan to cool it down due to poor ventilation. Mechanical things such as gears and what have you should be ok. Mechanical things have the highest failure rate as time goes by (wear and tear). Since you store it in a climate controlled room the lubrication on the gears should still be ok.

May 28, 2011 | Celestron CPC 925 XLT (555 x 235mm)...

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My philishave no longer seems to hold a charge.Is it possible to replace the battery?

Yes, there is a battery pack inside that can be changed. You will find replacement batteries for model HQ7740 at See link below

To replace them, you will need to first remove the flip up lotion cartridge cover on the back. Then remove the 5 screws there to take off the back of the case. You can then access the batteries. You will need to 'unsolder' the old ones from the circuit board and then solder in the new ones.
If you are not equipped to do this yourself, can do it for you. See link below

May 29, 2010 | Philips Philishave HQ7740 Electric Shaver

2 Answers

Din cables

You need to know how many pins you need (count the holes in whatever you are plugging the cables into). After that, just buy a cable in any tech store, or on Amazon (Amazon's cables are here:

Sep 19, 2009 | Durabrand Two Screen Car DVD Player

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I'm trying to view a cpc file. Does anyone have a solution?
In Windows, open it with
tri.gif Cartesian Products CPC Tool
tri.gif Microsoft Internet Explorer with Cartesian Products CPC View ax plugin
tri.gif Mozilla Firefox with CPC Lite pi plugin
tri.gif LizardTech Document Express

You're welcome.

Jun 26, 2009 | Computers & Internet

2 Answers

One more question

The electronic control board will have to be replaced. You can search online or call Sears (they can order just about any type of part for any type of product for you) with a model and serial number. Generally, the electronic control board is not that difficult to replace.

Jun 09, 2008 | Ovens

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