Latest threads in Electronics Repairshow only best voted threads
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Are all low-end 900 Mhz speakers interchangeable?
Are all old-style low-end 900 Mhz speakers interchangeable? The wireless speakers that sold new for $80 a pair in 1999, which I bought at a hamfest for iirc $20 a pair, are now for sale NIB for $400 a...
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8 years ago
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Troubleshooting Bose QC2 Noise Canceling Headphones
I'm not getting any sound in the right ear piece of my headphones. I opene d it up and tested the speaker by connecting it directly to an audio jack c able and it works. I also tested the continuity...
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8 years ago
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Strange switches and electrons
This is just a question for curiosity. I have a Magnavox 12 or 14" CRT tv with built-in VCR. I guess that means it's about 20? years old. Maybe it's generation can be judged by the fact it also gives...
3
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8 years ago
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LCR meter recommendations?
Hi all, I'm looking to acquire a new LCR meter to replace the old bridges I've been formerly using, which can be a bit cumbersome. Can anyone recommend one from personal experience? I've watched all...
5
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8 years ago
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5 | |
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NE-51 Neon Bulbs
Just acquired a bunch of these lamps. They're in the same mini-bayonet style as lamps like the #44/47. But would anyone know if these lamps can be connected directly to 120 volts? Or do they need a...
23
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8 years ago
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23 | |
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How to fix my 5V, 2.5amp adapter.
How to fix my 5V, 2.5amp adapter. I had 4 short power failures today, and everything on the PC started up fine after the first 3. The fourth was longer so I went grocery shopping. When I restarted,...
28
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8 years ago
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28 | |
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Slow-to-wake garage door opener
Since I don't use the garage for a car, I don't need to open it very often. But when I do, I have to push the button on the remote anywhere up to a dozen times before the door opens. Once it's open,...
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8 years ago
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Fudge/kludging old style switch
Ona 1983 Roland Juno 6 synth, so would like to keep original looking. Easy to wire in some modern replacement. One of those rotating arm , but slide switch action that used to be common on amps and...
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8 years ago
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Fender de Luxe
Inside the amp (high voltages etc) a shard of thick aluminium foil. Does anyone fully strip off the screening foil on the insides of the cab, both ends of the amp, and spray with "Tempest" proofing...
3
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8 years ago
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3 | |
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Marshall MG100HDFX ,2002
Loss of clean channel intermittently, dirty channel ok. Both clean switches have no contacts made in clean mode. I'll replace the clean vol control, but nothing obviously wrong. No obvious solder...
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8 years ago
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NiMH Batteries: Long-Term Storage ?
I accidentally wound up with an extra set of NiMH batteries and it's going to be quite a long time before the first set goes South and I need the second - as in 1-2 years at least. How would you store...
17
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8 years ago
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17 | |
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Right length for table radio antenna
I have a table radio that used to have one stranded wire coming out the back, about a foot long, which I think was the AM or FM antenna. I want to replace it. Is there an optimum length for such a...
10
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8 years ago
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10 | |
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Converting Average Power to "RMS Power"
Hi all, This subject continues to severely bug me. I've just read some audio amp servicing/repair book where the author states that customers often find it desirable to know an amp's actual output...
13
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8 years ago
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12v cigarette lighter style in USB power charge adapter
cheap thing bought at dollar store, at home used used a wallwart 12vdc with a cig lighter style attach, worked fine for year, then i accidentally mana ged to short the 5vdc output during a quick...
2
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8 years ago
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Supratech DVD, odd tracking problem
I'm looking at a DVD player with an odd problem in the tracking actuator se rvo. When a DVD is loaded, both original or recorded, it focuses, spins and positions the lens fine - up to this point the...
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8 years ago
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