Latest threads in Electronics Repairshow only best voted threads
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at&t hs8270 cordless phone
i just got this cordless phone and its acting weird. it won't let you call out using the head set and to add to it, it give of a buzzy signal.i tried getting a manual for it but it doesn't help. can...
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14 years ago
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Current Tracer - for findinding shorts in a PCB
Is there a DIY circuit out there for a good current tracer? I have a valuable multilayer pcb with a short between a power supply line and earth I can't find. The basic idea is to inject a string of...
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14 years ago
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Need a source for magnetron
I have a GE model JE2160SF-03 microwave in the shop that needs a magnetron. The tube was made by Daewoo and has part numbers RM269 and/ or 70330CD-JF on it. I did temporarily hang a known good tube in...
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14 years ago
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(Part 2) Tests for PbF / SnPb solder
Part 1 a couple of weeks back , using low temperature set soldering iron. Have tried chemically using both potassium chromate and potassium iodide but cannot make either work with elemental/eutectic...
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14 years ago
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Good Contact Cleaner ?
Hello, Was recommended the GC 19-724 contact cleaner, but cannot purchase it because it comes in a box of 12. Would like something similar, that can be ordered in a single quantity. Would something...
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14 years ago
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Repairing JVC HR-S3910U S-VHS
Hello, I have a JVC HR-S3910U S-VHS machine that I would like to repair. The machine makes a strange whirring sound (i.e. tape loading sound, it seems like it will load a tape, but does not complete...
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14 years ago
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USA National wireless plan
bob
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14 years ago
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How to biuld a home CO2 carbonation system (the nozzle part)
I've built a home CO2 carbonation system but I have a question about carbon dioxide flow (see pictures below). Using a tire valve and a tire chuck, I can easily fill the soda bottle empty space with...
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14 years ago
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Pioneer Stereo Receiver SX-212, need schematic
Does anyone have a schematic for the SX-212? Yes, I know it is old but would like to solve a problem with the left channel.
7
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14 years ago
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pre-amplifier Golden tube sep1
Please how to improve the sound of the preamp.Your experience. schematics welcomed. Thanks for your help Renato
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14 years ago
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Modify audio output lower noise?
Hello everyone! Great group! This is my first post! I'm a musician and sound engineer. I have a unit (BOSS Dr. Sample) that I use to trigger sound fx for theater. Th unit works fine, but it's...
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14 years ago
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Dog fixes phone...
Hi! While it's an amusing story, I'm pretty sure you'll find that its authenticity is dubious and that substantially the same story has been passed around in several different settings. The one I'm...
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14 years ago
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What Oscilloscope specs for audio work, diagnosis and repair?
Hi can someone please help me with what scope I should get for Audio equipment repair? I need to have flexibility so I wont have to buy another for a while. A benchtop model is fine. I want something...
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14 years ago
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Dell Photo 944
I've got this photocopier with "photo mode" "memory card problem" error in the display window. In the card slot there is no card. What could be at fault. Thanks
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14 years ago
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Magnavox 25" CRT Tuner Prob?
Have a 25" Magnavox CRT TeWee Chassis 25X605-00BB. This has a zillion hours on it; still runs/displays like new. It's on a digital converter, so always on CH3. Starting a couple weeks ago, on cold...
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14 years ago
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