Question about Philips MCD708 System
I have an MCD 708/12, purchased and used in Europe.
Well, more or less half the buttons. was working fine one day, came back from a weekend away, and all the buttons were not working. Opened the remote and had a look. nothing seemed burnt or broken. Reassembled and some buttons started to work!
However, really only Search, Next track, Stop, Pause/Play and the number buttons work. As well as some little used ones. The important ones - like Power, Volume, Input Selection - they DON"T work, and it's very annoying.
I have tried two other remotes, one i was a bit unsure of, and the other is an exact replacement, and still the same buttons work/don't work.
Is there something inside i can look at? or do i just throw away the whole damn thing??
If some buttons work, that's a good sign. Usually there are a small number of strobe lines, maybe 4, and each one is connected to one of several "input" lines. When a button is pressed, a strobe signal is connected to an input. When several buttons don't do anything, it means the strobe signal is not getting through. I look for a ribbon connector that could be loose or corroded. Clean it up and put a bit of oil on it to retard corrosion, like from salt air drifting in off the gulf. Good luck.
Posted on Apr 29, 2017
Most button problems come from substances getting into the remote and preventing proper electrical contact between the carbon button pads and the button contact surfaces on the PC board e.g., spilled liquids etc. I have cracked open many remotes with such symptoms and simply washed the flexible button membranes with warm water and perhaps a soft toothbrush and similarly the PC board button contact surfaces then dried everything with the exhaust from a small bench vacuum. There is no risk of harming the device if it is dried thoroughly before reassembly and use. If I notice a circuit board crack somewhere I will carefully solder a fine jumper wire to bridge the crack wherever possible to effect the correct electrical continuity required.
Posted on Apr 28, 2017
Try this - don't know if it will work but worth a try. It worked for my TV.
Remove the batteries. With the batteries out, press each button in turn for at least 2 seconds each, then replace the batteries and try it with your device.
Sounds crazy but it does work with my TV.
Posted on Apr 26, 2017
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Posted on Jan 02, 2017
Hello, depending on how new your dvd player is ,and what brand it might be ,their are many variables to this answer , first of all if your volume works and the rest of the buttons do,nt ,I have to wonder if we are talking about a dvd player remote , because to tell you the truth i have never seen a volume control on a dvd remote! Is this a universal remote that controls your dvd and other components? if so you might have lost the code that you first programmed into it , if it,s not that ,Then lets look at the player that did work a day earlier and now it does,nt ,If niether of the two work then i would have to say it woul be a sensor issue in the board and most likely the recieving part of the board that recieves the signals from the remote and that same part of the board also controls you dvd function controls on it,s front.Another question is on electronics ,Do you have a surge protector on the components ? ,and if not Was their a storm recently in your area that could have possibly caused a power failure at your house that you might not have been around to wittness! When power surges happen near a home ( a close lightning strike) you could be out of the house and not realize it and when you return your power is restored but your digital clocks and microwave never lie when it comes to power surges because those are some of the first items you have to reset ,theese are asure sign that their was a power failure , if that was to occur without a surge protector to the dvd player , it,s quite possible it fried the board , Also make shure your remote batterys are fresh ,if it,s still not that you can try one more thing ,if you buy a universal remote for about 10 bucks , the control comes with a code book that can be programmed to your dvd player and see if that will work , if any of theese idea,s don,t seem to work consult your owners warranty manual for a possible replacement ,most home theater systems today are all in one units that have all the electronics in one unit including dvd , if this is what you have then definetly consult your manual and call customer service of your brand ,they will work with you and possibly honor the warranty and send you a new one ! I hope i was able to give you some idea,s and insight into helping you troubleshoot your problem ,! it,s been a pleasure trying to help,Sincerely Glenn mayer
Posted on Mar 04, 2009
Test your remote with a digital camera display, if no flashing LED then try to repair the remote with my Instructable: http://www.google.co.nz/url?sa=t&source=web&ct=res&cd=1&url=http%3A%2F%2Fwww.instructables.com%2Fid%2FRepair-your-remote-controls%2F&ei=mpVVSrr6O4_-sgP0-oDPDg&usg=AFQjCNGyomjVuVMr6mFT1L36ffi06FhCDg&sig2=kheNi9TulBWzmhGOMiIX7g
Posted on Jul 09, 2009
you seem to have film build up on your remote take it apart and clean the circuit bored as well as all rubber strikes then put back together and youl find it work well
Posted on Dec 28, 2010
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