Forum: Frequently Asked Questions (No Posting)
07-26-2020, 10:26 AM
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Replies: 16
Views: 74,363
Re: How To Stop CRT Flicker
crt doesn't even have the proper, discrete pixels, inspect it under magnifying glass. so text sharpness will always be lower than lcd.
but colors and hiding (for example) video/image compression...
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Forum: Equipment Usage, Soldering, Techniques, and Reviews
07-26-2020, 09:29 AM
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Replies: 38
Views: 5,171
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Forum: General Computer & Tech Discussion
11-19-2018, 05:13 PM
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Replies: 19
Views: 2,094
Re: BCN's Russian Ties! Supermicro P6DGS Build
win2k may support it somewhere, sometime, but xp supports it better, given that it works ok on xp on same 2007 mobo.
(and now you'll say that's too new for 2k to support? <wink>)
as for who...
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Forum: General Computer & Tech Discussion
11-13-2018, 02:51 PM
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Replies: 19
Views: 2,094
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Forum: Troubleshooting TVs and Video Sources
11-06-2018, 04:16 PM
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Replies: 18
Views: 1,248
Re: Any good resources on Sony TVs ?
yeap, that's the state of consumer electronics repair today.
you ask in the forum instead of asking sony.
(and i don't think real author. centers are any different)
i wonder, does even sony have...
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Forum: General Computer & Tech Discussion
11-06-2018, 02:15 PM
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Replies: 19
Views: 2,094
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Forum: General Capacitor Questions & Issues
11-06-2018, 02:12 PM
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Replies: 49
Views: 4,230
Re: I Don't Understand
offcourse you did, there were no semiconductors on the top side, so nothing to rectify mains ac etc.
that small smps pos(like "cheap chinese piece of shit") has no power and that's why it starts...
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Forum: General Computer & Tech Discussion
01-21-2018, 03:30 PM
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Replies: 256
Views: 18,778
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Forum: General Electronics Technical Discussion
09-28-2014, 03:53 PM
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Replies: 53
Views: 8,386
Re: To overload or not to overload?
https://www.youtube.com/watch?feature=player_detailpage&v=Edel3eduRj4#t=1913
(wouldn't hurt to watch complete video either! <wink>
and now the thread has mikeselectricstuff and dave jones videos,...
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Forum: General Computer & Tech Discussion
09-28-2014, 11:29 AM
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Replies: 137
Views: 28,588
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Forum: General Electronics Technical Discussion
09-28-2014, 10:35 AM
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Replies: 53
Views: 8,386
Re: To overload or not to overload?
(dunno if this was the most recent place you discussed this subject, but anyway...)
did any of you measure impedance of mobo on 5 and 12V rails vs. impedance of those resistors?
i feel...
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Forum: Troubleshooting Power Supplies and Power Supply Design
09-01-2014, 08:13 AM
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Replies: 43
Views: 13,102
Re: The whole Two Transistor Thing
rievax, i think both everell and i are way passed the basics stage and working principles of smps are mainly absorbed....it's just that chinese make these things in a wrong way, removing all...
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Forum: Troubleshooting Power Supplies and Power Supply Design
08-31-2014, 10:11 PM
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Replies: 43
Views: 13,102
Re: The whole Two Transistor Thing
just about the only thing i figured out about 2tr +5vstb circuit is that no voltage on optocoupler (secondary side) means 2 transistors on primary side will blow...on first one i just forgot to put...
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Forum: Troubleshooting TVs and Video Sources
06-25-2013, 09:41 AM
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Replies: 0
Views: 1,863
Grundig Vision 3 26-3942T/C lcd tv dead
FSP139-3F01 smps power supply, and it got me stumped.
fuse was blowing, found the diode bridge with one shorted diode, but even with bridge out, the circuit doesn't really act like a typical smps,...
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Forum: Troubleshooting Power Supplies and Power Supply Design
01-17-2010, 01:53 PM
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Replies: 8
Views: 5,367
Re: Handy power supply tester
>I was surprised at the lack of interest in this handy ATX power supply tester.
not many deal with as many psus as you, and when they do, they can use meter(s)...
but it's a good thing, and i...
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Forum: General Capacitor Questions & Issues
01-16-2010, 09:44 AM
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Replies: 18
Views: 4,359
Re: Help and Isotope out
>cause I don't exactly have the circuit design from Asus, so I can't just guess
if it boots at all, you could measure the voltage on those caps...then you'll know.
if it doesn't boot, turning it...
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Forum: General Capacitor Questions & Issues
01-16-2010, 12:36 AM
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Replies: 18
Views: 4,359
Re: Help and Isotope out
>they're 680uf 4v
i know they are, but vrm is probably working on less than 4v voltage ergo 2.5v perhaps would fit...
and capacitance a bit up or down won't change much.
offcourse if you can...
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Forum: General Capacitor Questions & Issues
01-15-2010, 10:49 PM
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Replies: 18
Views: 4,359
Re: Help and Isotope out
what a weird looking thing, it looks like it's coming from 70s...
that chemicon kzg looks bulged to(?)
as for polymers...
perhaps...
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Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals
01-15-2010, 12:30 PM
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Replies: 34
Views: 14,093
Re: A Lesson In How To Recap Profesionally.
i thought he would remove the caps once he saw he..hehm..destroyed it...
then try again with those caps on next board...
<wink>
those prices are pretty high for non-functioning gear(no matter...
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Forum: Equipment Usage, Soldering, Techniques, and Reviews
01-14-2010, 04:32 PM
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Replies: 29
Views: 7,327
Re: "f6" "f7" blue esr issue
http://en.wikipedia.org/wiki/Electronic_color_code#Resistor.2C_capacitor_and_inductor
and you have a nice color-coded table a bit below there...
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