Latest threads in Electronics Repairshow only best voted threads
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Need help with switching power supply repair
I am trying to troubleshoot a small SMPS that came from an A/V switcher. Input is 120vac and it is supposed to output + and - 15vdc at .8A. Currently it is outputting +17 on one output and somewhere...
32
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12 years ago
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32 | |
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Alliance U100 antenna rotor
I used to install the Alliance U100 rotors for all my antenna jobs. These rotors had 4 terminals that connected to the control box. I just came across an Alliance rotor that looks just like a U100...
6
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12 years ago
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Homebrew emergency power system - advice needed please
Hi I could use some feedback regarding a brainstorm of mine. I'm in the process of building an emergency power system for home use. The main questios are regarding supply and re-charging. For the...
9
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12 years ago
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why Dc Adapter get faulty on UPS?
Can anyone please tell me that Why do DC Adapters get Faulty on UPS ??
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12 years ago
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Exploring rotary encoder problems
Deeper than just saying clear out the grease. 2 in 2 days, first input selector of an amp , not explored in depth, second vol control of a music centre. First had radial contacts that were slightly...
11
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12 years ago
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Why is there a thermistor in the power door lock circuit.
What would the role of a thermistor be in the power door lock circuit of a car? It's in series with the door lock "motor", which might be a solenoid or maybe a rotating motor. Is it possible that it...
10
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12 years ago
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WEEE Directive penalises small UK producers
If you are a small producer affected by the WEEE regulations you may be concerned enough to read this. Otherwise please excuse the post - it's rather long by necessity, but isn't intended to be spam....
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12 years ago
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CD repeat play problem
3 disc JVC MX D 752 machine. CDs play fine in each tray including stepping forward and back part or whole tracks, but if you wish to replay a whole CD then you have to select tuner or tape momentarily...
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12 years ago
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Kill-o-watt meter used on computer UPS - bad readings?
What does the meter read, if you connect the computer to it directly, and entirely bypass the UPS? Most of these consumer-grade "UPS" systems are *not*. That is, they aren't "uninterruptable" - they...
2
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12 years ago
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Electromagnetic spectrum – illusion and absurdity
You need to stop feeding the 'Fritz' troll. -- You can't have a sense of humor, if you have no sense.
13
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12 years ago
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splice fail
My Sennheiser HD 202 headphones developed a short in one channel about ~8" = from the plug. I cut the wire before and afterwards, joined the wire, tes= ted and didn't experience any sound. I...
12
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12 years ago
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Bruel + Kjaer 2203 service data?
Hi everyone.... I am looking for service information for a Bruel and Kjaer Sound Level Meter type 2203. The one I have has the Serial No. 887512 and so is a late version with a FET (rather than...
1
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12 years ago
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Sony TV remote
Hi, I have a sony KDL-40S2010 LCD TV, it works just fine. However the remote RM YD005 is failing again. It works but you have to use extra force and wiggle the buttons to get it to operate. Poorest...
7
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12 years ago
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stupid, stupid, stupid -- part II
Following up on Arfa's self-mockery... The Sony D-FJ75TR is a classic Discman. A very-low-drain two-AA-cell player that runs about 25 hours on high-capacity NiMH cells, it can be literally slammed...
2
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12 years ago
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Where do I find rechargeable batteries?
Google is filled with firms offering standard rechargeable batteries, but not those I need. Can anyone give me a hint, where I can find cells length 34mm and diameter 22,2 mm regards Ebbe normark(x)...
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12 years ago
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