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| OldGuy <spamnot@nospam.com>: Nov 03 12:44PM -0800 If I get some positive responses I will dig the units out and provide part numbers. This equipment is very old but was working until the touch pad buttons quit responding. May need some caps but that is another story. The touch pads are like those microwave buttons. Some sort of plastic over plastic layers that when you push on them they depress a little and make some sort of connection to perform its function. I doubt that these panels are still available, so is there a way to recondition or whatever? -- -- No signature --- news://freenews.netfront.net/ - complaints: news@netfront.net --- |
| Trevor Wilson <trevor@SPAMBLOCKrageaudio.com.au>: Nov 04 01:04PM +1100 On 4/11/2015 7:44 AM, OldGuy wrote: > make some sort of connection to perform its function. > I doubt that these panels are still available, so is there a way to > recondition or whatever? **You need to tell us which models you have. In general, without knowing CRITICAL information, it can usually be said that behind the plastic sheet are micro-switches, which may still be available from third party suppliers. -- Trevor Wilson www.rageaudio.com.au --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus |
| N_Cook <diverse@tcp.co.uk>: Nov 04 09:29AM On 03/11/2015 20:44, OldGuy wrote: > make some sort of connection to perform its function. > I doubt that these panels are still available, so is there a way to > recondition or whatever? Do you mean that the overlaying plastic has lost plasticiser and gone rigid over time? |
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| "Dave M" <dgminala@mediacombb.net>: Nov 03 11:30AM -0600 Consolidated Electronics lists them on their web site for $3.95 each. They also have a price for Qty 10, so they must have a good stock level on hand. http://www.ceitron.com/semi/semi.phtml?part=MC1307 It's been a while since ordering from them, but I've done business with them before. Quick shipping, as I remember. Cheers, Dave M |
| "pfjw@aol.com" <pfjw@aol.com>: Nov 03 10:49AM -0800 My order for two (2) chips from Vetco has shipped, I expect them to arrive by Thursday. I also purchased two sockets - getting the board out and the new chip in is not so much difficult as it would be a lot easier were there a socket. But, David Hafler was a cheap SOB, and a socket just was not in his repertoire. No minimum purchase, and no handling charges. Well worth the small premium in price. Peter Wieck Melrose Park, PA |
| "jfeng@my-deja.com" <jfeng@my-deja.com>: Nov 03 11:08AM -0800 I used to install sockets in my projects. Eventually, I realized that these were my most unreliable components (followed by the electrolytic capacitors). Except for the rare and/or expensive parts, I now clip out the old ones and solder in the new ones. |
| jurb6006@gmail.com: Nov 03 12:37PM -0800 >"But, David Hafler was a cheap SOB, and a socket just was not in his >repertoire. " It's just much that. There is something called chip creep. You might want to look it up. Also, sockets can get dirty and lose connection to random pins. In some circuits this destroys other components. If the bias regulator in a 300 watt amp is on a socket or plug, and it gets a bit dirty or corroded and loses the connection, it can burn up like over fifty bucks worth of silicon. When you work with that solderwick, you hit it repeatedly, NOT continuously. Ad try to hit the solder first instead of the board. |
| etpm@whidbey.com: Nov 03 02:49PM -0800 On Tue, 3 Nov 2015 08:37:11 -0800 (PST), "jfeng@my-deja.com" >http://www.vetco.net/catalog/product_info.php?products_id=5429 >They also list a zillion part numbers for equivalents. >Disclaimer: I have no affiliation with Vetco, I have never done business with them, and I never heard of them before. I however can speak about Vetco. I have been buying electronic stuff from them for years. Good folks. And they have saved my butt more than once when they had something I needed that day. Like negative 15 volt voltage regulators. I had positive ones in stock but no negative ones and a power supply in one of my CNC lathes needed one. Eric |
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