Latest threads in Electronics Repairshow only best voted threads
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Why is NS +12V regulator marked LM2940CT -12 ?
not printed as LM2940CT /12 say. Any other awkward ones like that, hopefully to lodge in memory, or just a NS thing. Not being familiar with that range the 9 in the type number triggers a mental...
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14 years ago
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switcher dummy loads
I am working on a switching power supply from an older Avid hard disk array. The array itself has proprietary Ultra SCSI drives in it. No documentation is available. The power supply seems to have...
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14 years ago
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Sound card advice.
Grrrr!!!!! Never connect two soundcards on two computers, lineout-->linein. One computer was connected to a 2 instead of 3pole mains outlet. Both soundcards permanently disabled.......... One of them...
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14 years ago
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Harman Kardon AVR210, no audio.
This Harman Kardon AVR210 receiver has no audio output in any mode. Customer said it just went out all of a sudden. I was able to find a copy of the service manual here: It's in four parts and you'll...
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14 years ago
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De Solder SM electrolytic caps
Hi, Does anyone have any good tips for desoldreing these SM caps without damaging the pads? I tried wicking each pad dry but the darned thing still took one of the flimsy little pads off with it. Also...
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14 years ago
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Dell WD3000 back lighting issues
A friend of mine bought a Dell WD3000 and after about 1-1/2 year or so, got tired of dealing with the back lighting not working properly. (Having to turn the power on and off and reboot several...
2
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14 years ago
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Microwave oven troubleshooting
We got this oven in for repair Its a GE model JE2160SF-03. The name plate reads 120V 1.65KW (MW). I don't know what the MW stands for however the 1,65 KW would seem to translate into 13.75A. The line...
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14 years ago
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NTSC versus PAL
"Die, die, my darling!" As both PAL and NTSC are basically dead systems (NTSC in the US, at least), there is little point in discussing their differences. But as Mr. Alison insists on displaying his...
71
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14 years ago
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Sony Stereo won't shut off
I have a Sony STR D990 When i try to shut it off i get a message in the window DRLC Main What is it & how can i fix it ? -- Dell Inspiron Pentium dual-core 2.2 GHz 2 GB DDR2 SDRAM Windows Vista Home...
2
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14 years ago
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Samsung LN-S4692D LCD TV TCON Board
Couple days ago, I was bitten by the famous Samsung TCON board bug. (Sound but no picture. Backlight is on.) I realize the best thing would be just to replace the A/S TCON board (Samsung Part Number:...
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14 years ago
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PAL DVD on USA player?
I accidentally bought a PAL DVD (it was shipped from Cleveland!)** Then, I accidentally came across a web page giving instructions how to change the region of some DVD players to whatever one wants....
28
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14 years ago
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Pongs in electronics
Anyone have a better knowledge of why fatty acids appear in circumstances where high dielectric strength/ good insulation is needed. Hence the "fishy smell" of physically broken/leaking electrolytic...
12
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14 years ago
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Fujitsu plasma display funnies?
Hi all, A while ago I was given a 3rd (at least) user 42" Fujitsu plasma display, a PDS4212E-H. Whilst it seems to work ok there is some strange pixel / noise running across (mostly) the top couple of...
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14 years ago
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Why would an FM signal amplifier make some signals disappear?
Hello all... So I was putting up an FM antenna recently and got the idea that using a signal amplifier might be a good idea, as the output would go to two tuners, one of which is somewhat "deaf" in...
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14 years ago
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Switching PSU shutting off under every load
Hi to everyone, since it's the first time I write in this NG ;) I've little experience in switching PSUs ... I've one of them (coming from an Amiga 2000) which shuts off at the first load. With no...
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14 years ago
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