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Search: Posts Made By: jayjr1105
Forum: Troubleshooting Power Supplies and Power Supply Design 06-02-2021, 05:50 PM
Replies: 2
Views: 96
Posted By jayjr1105
Re: Variable DC power brick?

So much for a 45w limit. It's an ambitious little supply... also not super efficient...
https://i.imgur.com/0w0uX92.png

https://i.imgur.com/wa2ZQB9.png
Forum: Troubleshooting Power Supplies and Power Supply Design 06-02-2021, 12:29 PM
Replies: 2
Views: 96
Posted By jayjr1105
Re: Variable DC power brick?

Some internals for those curious https://imgur.com/a/4BpnLYR
Forum: Troubleshooting Power Supplies and Power Supply Design 06-02-2021, 12:00 PM
Replies: 2
Views: 96
Posted By jayjr1105
Variable DC power brick?

I pull quite a few DC power bricks from the bin at work, mostly out of curiosity and for parts. I've never seen one that doesn't specify a static output voltage before. I tested it at 20v DC...
Forum: Troubleshooting Game Consoles & Other Weird Devices 05-24-2021, 08:32 AM
Replies: 1
Views: 577
Posted By jayjr1105
Re: Xbox 1708 dead controller unknown ic chip

chip might still be good if you clean it up and reflow things.
Forum: General Capacitor Questions & Issues 05-21-2021, 01:08 PM
Replies: 8
Views: 358
Posted By jayjr1105
Re: High ESR Panasonic's from Arrow

They were cheap so I added them to an existing order. I figured they are Panasonic, how bad can they be.
Forum: General Capacitor Questions & Issues 05-21-2021, 09:01 AM
Replies: 8
Views: 358
Posted By jayjr1105
Re: High ESR Panasonic's from Arrow

They were bought to replace some 85c caps in an amp. Funny I think they were Chang X. Correction, Jun Fu 85C. Surely a Panasonic 105c cap is miles better than an 85c Jun Fu
Forum: General Capacitor Questions & Issues 05-20-2021, 01:56 PM
Replies: 8
Views: 373
Posted By jayjr1105
Re: Available replacements Rubycon MBZ 3300uf 6.3v low ESR?

https://www.digikey.com/en/products/detail/panasonic-electronic-components/EEU-FR1A332/2433517

Pretty darn close in spec if you can fit a 12mm wide cap instead of a 10.
Forum: General Capacitor Questions & Issues 05-20-2021, 01:16 PM
Replies: 8
Views: 358
Posted By jayjr1105
High ESR Panasonic's from Arrow

Right out of the bag I got some 22uf 25v caps from Arrow they are reading 3ohm ESR. That's a bit high isn't it?

https://www.arrow.com/en/products/eea-ga1e220h/panasonic
Forum: Troubleshooting Game Consoles & Other Weird Devices 05-20-2021, 07:29 AM
Replies: 14
Views: 425
Posted By jayjr1105
Re: Micronta Talking Alarm Clock Full Recap

All done, working great.

https://i.imgur.com/jEuieSW.png
Forum: General Capacitor Questions & Issues 05-19-2021, 12:55 PM
Replies: 6
Views: 335
Posted By jayjr1105
Re: Need help Finding replacement capacitor

10 for a dollar
https://www.mouser.com/ProductDetail/Panasonic/ECQ-E4273KF?qs=FaGJejDeu%252B%252BEU4qBkmrHzA%3D%3D
Forum: Troubleshooting Game Consoles & Other Weird Devices 05-19-2021, 12:52 PM
Replies: 14
Views: 425
Posted By jayjr1105
Re: Micronta Talking Alarm Clock Full Recap

Got the new .47 cap today and installed. Powered up without the daughter board even being re-soldered back in and it's working great! good crisp digits, no funny business. I'll post later on once...
Forum: General Capacitor Questions & Issues 05-19-2021, 12:48 PM
Replies: 50
Views: 8,400
Posted By jayjr1105
Re: Würth Elektronik Electrolytic Capacitors Official Thread

Been getting a lot of Wurth/Kemet/IC/CD caps lately when I don't need low esr and high ripple current handling. Just got 40 caps or so from digikey for under $10 with shipping. Mostly Wurth.
Forum: General Capacitor Questions & Issues 05-19-2021, 12:33 PM
Replies: 6
Views: 335
Posted By jayjr1105
Re: Need help Finding replacement capacitor

https://www.ebay.com/itm/121955268598?hash=item1c6519b7f6:g:Yd0AAOSwhDdXDqR6
Forum: Troubleshooting Game Consoles & Other Weird Devices 05-19-2021, 07:44 AM
Replies: 31
Views: 1,359
Posted By jayjr1105
Re: Xbox has low 12v, cause?

At least in the north american models, the xbox power supply's are rather stout. I repaired a dozen XBOX consoles and the only thing wrong with any of them was cracked solder on the input jack.
Forum: Troubleshooting Game Consoles & Other Weird Devices 05-19-2021, 07:04 AM
Replies: 31
Views: 1,359
Posted By jayjr1105
Re: Xbox has low 12v, cause?

Is that a 110v unit or 220? I have several 110v power supply's but never once saw that model. I think it's trash tbh.
Forum: Troubleshooting Game Consoles & Other Weird Devices 05-17-2021, 10:31 AM
Replies: 14
Views: 425
Posted By jayjr1105
Re: Micronta Talking Alarm Clock Full Recap

Here you go. Probably late 80's early 90's by the date codes on chips.
https://i.imgur.com/cEVfE7R.jpg?1
Forum: Troubleshooting Game Consoles & Other Weird Devices 05-17-2021, 08:55 AM
Replies: 31
Views: 1,359
Posted By jayjr1105
Re: Xbox has low 12v, cause?

Those are good quality poly's
Forum: Troubleshooting Game Consoles & Other Weird Devices 05-17-2021, 08:43 AM
Replies: 14
Views: 425
Posted By jayjr1105
Re: Micronta Talking Alarm Clock Full Recap

My pic is out of focus, I'll check soon
Forum: Troubleshooting Game Consoles & Other Weird Devices 05-17-2021, 08:33 AM
Replies: 31
Views: 1,359
Posted By jayjr1105
Re: Xbox has low 12v, cause?

I have two good working xbox's a 1.2 and a 1.4 halo green one. Both modded and mostly recapped. I also have a storage bin with several boards, power supply's, DVD drives, etc. I need to unload it...
Forum: Troubleshooting Game Consoles & Other Weird Devices 05-17-2021, 08:13 AM
Replies: 14
Views: 425
Posted By jayjr1105
Re: Micronta Talking Alarm Clock Full Recap

I don't have any of those lying around either. Need to invest in a polyester assortment.
Forum: Troubleshooting Game Consoles & Other Weird Devices 05-17-2021, 07:18 AM
Replies: 14
Views: 425
Posted By jayjr1105
Micronta Talking Alarm Clock Full Recap

My grandfather had this Micronta VoxClock3 digital alarm clock that just had random digits displayed when you plugged it in and just overall acted crazy. Opened her up last night and found every...
Forum: Troubleshooting Game Consoles & Other Weird Devices 05-17-2021, 07:05 AM
Replies: 31
Views: 1,359
Posted By jayjr1105
Re: Xbox has low 12v, cause?

Highly recommend Rubycon ZLQ 3300uf 10v for XBOX replacement. Also if you have a 1.4 version or lower Nichicon UHV 3300uf 6.3v are also excellent. Don't replace any brown caps on the motherboard,...
Forum: Troubleshooting Game Consoles & Other Weird Devices 05-12-2021, 12:58 PM
Replies: 5
Views: 478
Posted By jayjr1105
Re: Digital Multimeter Brymen 896s Issue

Post this over at the EEVBlog forum, Dave loves Brymen meters
Forum: General Capacitor Questions & Issues 05-12-2021, 06:46 AM
Replies: 10
Views: 1,040
Posted By jayjr1105
Re: Do capacitors have maximum allowed amps rating?

So ripple current handling, is that the amount of amperage in the ripple the capacitor can handle or the amperage in general? Was always confused by this spec
Forum: Troubleshooting Audio Equipment 05-07-2021, 08:13 PM
Replies: 1
Views: 157
Posted By jayjr1105
Need help with 4700uf 25v replacement in subwoofer

Bought a cheap sub on marketplace for $20. Has two 4700uf 25v Jun Fu 85c rated caps. I've found several replacements for around $1 or 2 but what ripple current rating should I shoot for minimum? ...
Showing results 1 to 25 of 196

 
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