Forum: General Capacitor Questions & Issues
02-28-2022, 03:46 PM
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Replies: 1,015
Views: 534,046
Re: The Hall of Shame - Badcaps Photo Montage
Motorola quantar repeater supplies burn up just like that.
And its leaking electrolyte that set it off.
I recap them on sight.
Just did one for a uhf p25 system i am putting on the air.
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Forum: General Computer & Tech Discussion
02-28-2022, 03:30 PM
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Replies: 5
Views: 558
Re: UPS issue
Random noname chinese/vietnamese agms are good for no more than 2 years if you are lucky.
I pick good quality metal units and run with external truck batteries.
Hours of backup rather than minutes.
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Forum: General Capacitor Questions & Issues
02-28-2022, 03:12 PM
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Replies: 1
Views: 547
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Forum: General Capacitor Questions & Issues
07-04-2021, 06:58 PM
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Replies: 6
Views: 2,284
Re: Callins capacitor?
those are always shot in anything i see them in.
just had a zenith trans oceanic where 1 was so leaky it exploded when the customer put in a set of charged nicads.
i suspect that epoxy seal cracked...
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Forum: Troubleshooting Computer Displays
02-15-2020, 03:26 PM
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Replies: 23
Views: 3,218
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Forum: Troubleshooting Computer Displays
02-15-2020, 03:16 PM
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Replies: 23
Views: 3,218
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Forum: BIOS Requests ONLY!
02-08-2020, 05:26 PM
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Replies: 1,321
Views: 42,769
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Forum: Troubleshooting Audio Equipment
02-08-2020, 05:04 PM
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Replies: 13
Views: 4,206
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Forum: General Capacitor Questions & Issues
02-08-2020, 03:54 PM
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Replies: 83
Views: 16,524
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Forum: General Capacitor Questions & Issues
02-08-2020, 09:10 AM
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Replies: 83
Views: 16,524
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Forum: General Computer & Tech Discussion
05-14-2019, 07:12 AM
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Replies: 33
Views: 2,883
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Forum: General Capacitor Questions & Issues
05-14-2019, 06:27 AM
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Replies: 10
Views: 1,693
Re: Razer Naga Mouse Keys Working but no Movement
its likely a bad optical sensor.
with luck its just the led but many nowadays are integrated.
razer stuff tends to be cheaply built and unreliable so no surprise.
i just replaced switches on a 6...
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Forum: Equipment Usage, Soldering, Techniques, and Reviews
05-07-2019, 06:32 AM
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Replies: 12
Views: 2,025
Re: [emission only] vacuum tube tester safety
this set must have been missing its isolation hardware.
not unusual for these parts to have degraded in the last 70+ years and replaced with metal parts by someone who did not understand why the...
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Forum: Equipment Usage, Soldering, Techniques, and Reviews
05-06-2019, 06:15 PM
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Replies: 32
Views: 5,114
Re: Cordless Soldering Iron - recommendations?
btw a iso-tip with a high drain 21700 li-ion and a tp4056 board works great.
i also replace bulb with a white led and resistor in the bulb base.
the yellow package high efficiency tips work best....
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Forum: Equipment Usage, Soldering, Techniques, and Reviews
05-06-2019, 05:53 PM
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Replies: 32
Views: 5,114
Re: Cordless Soldering Iron - recommendations?
you are wasting your time with cells at 0 v.
anything much below 2v are usually not much good.
0v cells also carry a risk of dendrite shorts.
but the good news is that these cells are usually in...
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Forum: General Electronics Technical Discussion
05-06-2019, 07:13 AM
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Replies: 49
Views: 3,016
Re: LED Circuit Aluminum Base
looks like you have at least 1 led bad on each board.
i would replace all leds with ones from a major brand.
and this gives you the opportunity to select color temp and cri.
the issue is that 1...
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Forum: General Computer & Tech Discussion
05-06-2019, 06:49 AM
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Replies: 49
Views: 5,676
Re: I'm getting windows 10
i wont use 10 myself.
if i get a machine that cant run 7 or linux it gets sold.
that tends to be those craptastic convertible tablet things mainly.
when micro$oft was giving free 10 "upgrades" i...
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Forum: General Electronics Technical Discussion
04-23-2019, 06:45 AM
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Replies: 13
Views: 1,761
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Forum: General Electronics Technical Discussion
04-20-2019, 08:19 PM
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Replies: 25
Views: 2,351
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Forum: General Electronics Technical Discussion
04-20-2019, 08:15 PM
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Replies: 25
Views: 2,351
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Forum: General Electronics Technical Discussion
04-07-2019, 08:25 AM
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Replies: 25
Views: 2,351
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Forum: General Electronics Technical Discussion
04-07-2019, 06:06 AM
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Replies: 10
Views: 1,382
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Forum: Troubleshooting Game Consoles & Other Weird Devices
04-07-2019, 05:55 AM
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Replies: 5
Views: 1,270
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Forum: General Electronics Technical Discussion
04-07-2019, 04:22 AM
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Replies: 25
Views: 2,351
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Forum: Troubleshooting Power Supplies and Power Supply Design
02-21-2019, 01:22 AM
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Replies: 15
Views: 1,827
Re: X-Force 200 "Power Supply"
more nasty shit for childrens band.
meant to power a spurious and harmonics generator.
aka splatterbox amplifier.
x-farce!
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