Latest threads in Electronics Repairshow only best voted threads
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Conformal coating breakdown.
Supposed to be there to keep damp/condensation out but over 20 years or so does the opposite. The waxy/jelly type coating (not the epoxy potting stuff) breaks down to an oily film that is probably...
6
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13 years ago
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6 | |
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Sony blink codes question
Posted problem with set several days ago. Model KDS 60A2000. Turn on set, power LED blinks 4 times, then repeats. Hoping someone here knows what this code is. Web search not helpful for my model....
2
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13 years ago
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2 | |
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40Gb Western Digital hard drive
Hi, Hoping to benefit from the collective wisdom of the group with regard to computer systems. So far over a period of about 2 years I've brought home from the scrapyard three different E-machine...
57
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13 years ago
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57 | |
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Replacement EEPROM
The TI TBP18SA030 is a 16 pin fusible link PROM. 32 X 8 bits. Anybody got some suggestions on what I can use for a replacement? The SN74S188 is supposed to be the same, but that doesn't solve my...
4
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13 years ago
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Update on NOISY Whirlpool Dehumidifier
Hi, I think I have finally "tamed the beast". My latest technique (two boards with long threaded rods, see below) is working! I have been using the dehumidifier for the past two weeks since, and it is...
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13 years ago
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Difficulty identifying SMD semis via markings
I've never had to look up a SMD semi before now. Unlike JEDEC codes, these less-than-brief alphanumeric codes have no standard that I can find. And if there's no manufacturer mark (or it has become...
15
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13 years ago
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15 | |
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lead cropping spinner plate?
Whats it/process called and is there a name for the relatively common situation where the blade is blunt or wrong speed or something. Leads bend over before they are cut, so partially cut and floppy,...
5
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13 years ago
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5 | |
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Pencil butane torch for Surface Mount desolder?
I've only used full size hot air gun and protective masking-off before. I prefer the short sharp shock of full size rather than the "proper" pulse jet type things, presumably for rework only really....
17
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13 years ago
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17 | |
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Fav Suppliers?
I've used Mouser, Allied, Digitek, Marlin T Jones, Maintenance Warehouse, Cyberguys, and a few with "Geek" in the name. But I wonder about others. I'd like to find one supplier with good prices but...
2
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13 years ago
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2 | |
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Microcontroller for sale
I have 120 (new in tubes) MC68HC705P6ACDW Microcontrollers 8 Bit 2.1MHz 4.5K OTP 28-SOIC from a bankruptcy auction. I will sell them at $4.00 each. I want to sell them as sets of 10 to make shipping...
7
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13 years ago
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Surge Protectors
Are surge protectors based on grounding or diode clipping? - = - Vasos Panagiotopoulos, Columbia'81+, Reagan, Mozart, Pindus, BioStrategist ---{Nothing herein constitutes advice. Everything fully...
93
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13 years ago
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93 | |
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Peavey CS800S, slave amp 1997
Light weight as switch mode power supply. Not dared to power up yet but is there any problem concerning the power supply with runnung one power amp only, disconnecting the rails to the other amp,...
3
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13 years ago
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Today's Lead Free Crap Solder Stories ...
Hi Guys, Just for the record here's a few pictures of a laptop power socket that used lead free solder. You can see the erosion caused by poor electrical conductivity of the joint between the center...
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13 years ago
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Generic question
Last Winter I repaired a D board in a 32 inch Sony set. I replaced the two chips with DB versions and the set worked fine for 3 months. It eventually came back for an intermittent start up problem. It...
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13 years ago
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