Electronics Repair

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Troubleshooting Audio Amp

Hi all, I've identified an issue with my Uher tape recorder and I'd like your opinion. There's a problem with the audio...
27 comments posted 8mos
posted by cd
27 comments posted 8mos posted by cd

Season's Greetings!

Gentlemen, It's 'that' time of year again and we've had some heated debates on this group over the last 12 months, both...
1 comments posted 8mos
posted by cd
1 comments posted 8mos posted by cd

Blown Resistor?

I've been trying to trace an issue with a Uher tape deck in respect of extremely low audio gain during recording. I was...
46 comments posted 9mos
posted by cd6699
46 comments posted 9mos posted by cd6699

PC UPS cycling on and off

Have a PC UPS that started cycling on and off. Elimination of anything plugged into it and still doing it. Battery check...
2 comments posted 9mos
posted by harvey50120
2 comments posted 9mos posted by harvey50120

Interpretation of markings on DDR3 SDRAM.

A Mac Mini has has two SDRAMs with this marking. 1GB 1Rx8 PC3-8500S-07-10-B1 This is a candidate replacement. 4GB 2Rx4...
6 comments posted 10mos
posted by peter
6 comments posted 10mos posted by peter

Ryobi 18v v 40v batteries

I have many reasons to doubt it but a hadyman I trust insists I can run Ryobi 18v recip saw on Ryobi 40v battery????? -...
2 comments posted 11mos
posted by vjp2.at
2 comments posted 11mos posted by vjp2.at

Conductive Grease?

Hi all, I've got this old Grundig radio made in 1972 and the main tuning cap gets scratchy from time to time owing to a...
7 comments posted 11mos
posted by cd
7 comments posted 11mos posted by cd

T-mobile tower repair crews

For a mile around my house, I get 2G, further I get 4G. For 2-4wks past. Ok, the 4g at my home (since I arrived in 2023...
1 comments posted 11mos
posted by vjp2.at
1 comments posted 11mos posted by vjp2.at

Tripp-Lite OmniPlus1000LCD

This a newer UPS which has gone through only 1 battery. New battery is not recieving a charge; diagnostic screens not w...
6 comments posted 1yr
posted by johnkeiser
6 comments posted 1yr posted by johnkeiser

OT Why dod people smoke crack in crack pipes?

OT Why dod people smoke crack in crack pipes? Wouldn't it be less noticeable if they smoked their crack in tobacco pipe...
7 comments posted 1yr
posted by NONONOmisc07
7 comments posted 1yr posted by NONONOmisc07

Re: My first Kobo Touch reader died

I found some more information. (I posted originally to sci.electronics.design, it should have been sci.electronics.repa...
0 comments posted 1yr
posted by robin_listas
0 comments posted 1yr posted by robin_listas

HP Envy All-in-One 34" desktop won't turn on.

I have on my bench an HP Envy All-in-One 34" desktop computer that won't power on. The mode4l number printed on the bot...
0 comments posted 1yr
posted by farberbear.unspam
0 comments posted 1yr posted by farberbear.unspam

Mystery Problem

Gentlemen, I have an early AVO valve tester (twin panel type, Mk1 or Mk2) which I'm trying to get fully working. Anyway...
15 comments posted 1yr
posted by cd6699
15 comments posted 1yr posted by cd6699