Latest threads in Electronics Repairshow only best voted threads
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OT How does my car's AC work?
OT This is ot but I figure I have a better chance of getting a good answer here than most other places. After only 4 days over 90 in Baltimore last summer, so far this summer we've had about 33 with...
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7 years ago
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Spectraphysics DCR-11 schematics
Hi folks, I am looking for Spectraphysics DCR-11 electronics diagram. I have a manual with block diagram which helped me to figure out that the source of the la ser malfunction is in switching high...
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7 years ago
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Sony dvd recorder RDRC100
Has anyone managed to change the hard disk drive in one of the above? I th ink that if I take the 160 GB HD out and using another 1 TB disk of the the same characteristic to make a clone of the Sony...
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7 years ago
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Meteor shower tonight
Fellow tinkerers....this one is supposed to have twice as many as normal. The story is that the best time is after midnight, after the moon goes down. Best way is to lie flat on a lawn chair with a...
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7 years ago
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Vox AC30, vintage
Owner decided to power up on full 240V mains after being in an English garage for many years. Worked perfectly before "storage" and well for a few minutes and then arcing and sparking crackling noise...
13
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7 years ago
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OT: Kutztown XXXV
KUTZTOWN XXXV September 16 & 17, 2016 Time to start planning now ? Kutztown is very probably the largest vintage radio and electronic equipment show in the US, possibly the world. Hundreds of dealers,...
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7 years ago
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Valve amp HV switches
I have a fairly vintage valve amplifier with a dead HT (standby) switch. It's this kind of format, SPST rocker: Now, this switches the rectified HT winding from the transformer, which is around the...
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7 years ago
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Attempting Android setup perfection - I ask your suggestions for improvement
I am attempting Android setup perfection - therefore I ask for your suggestions for improvement... As an experiment, today I reset my ancient S3 not-rooted Android phone to factory defaults, and...
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7 years ago
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My Sanyo portable model, VCR 7300, needs the loading
My Sanyo portable model, VCR 7300, needs the loading mechanism fixed & the tape head cleaned. My SonyBETA model 2700-B, needs the tape head cleaned, and the backup program battery replaced, and the...
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7 years ago
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DC relay on AC?
DC is more problematic to switch than AC and a switch or relay designed for AC must be derated (often massively) to use with DC. But what about the reverse? I have an automotive type relay rated 40A...
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7 years ago
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POTS Problem Follow-On
Hello, all and a new POTS Verizon problem: My OP about the ability to receive incoming but not able to dial out or have the calling party hear the called party was explained as a faulty 2-wire/4-wire...
14
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7 years ago
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Fluid pressure transducer
I've a few laying around, that I have a local community use for one, but don't know how to use it. 0 to 10 bar, but the manufacturer's model number gives nothing on google. No idea if bridge of strain...
1
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7 years ago
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JVC RV-B99GY Kaboom Boom Box problem
I'm new here so I don't really know all the info I should post. Before I do anything to this radie i'd like to get a few suggestions, please. TIA. I have a jvc rv-b99gy Kaboom boom box that once...
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7 years ago
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For you audio guys: counterfeit MJ15024G and MJ15025G
You can guess from where... http://www.eevblog.com/forum/chat/mj15025-transistors-wrong-polarity!!!!!!!!!!/
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7 years ago
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Mesa Boogie Nomad 100 amp, 2001?
Phantom channel change, randomly. Was with footswitch board only, they then used the rotary sw on the rear and now that is playing up. I'm assuming like the notorious Fender footswitch problem, but...
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7 years ago
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