Electronics Repair

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What to salvage from a large LCD tv?

Hi, I'm a newbie here. My 14 year old broke our 75" Samsung LCD tv last week by slipping on a remo te he didn't put awa...
9 comments posted 7yrs
posted by millinghill
9 comments posted 7yrs posted by millinghill

Do these 'lytics need to be replaced?

Are these "bulging"? How much bulge is too much? Or is _any_ bulging to much? "If you can see that it's not flat, it's t...
10 comments posted 7yrs
posted by BobEngelhardt
10 comments posted 7yrs posted by BobEngelhardt

Peavey XRD680TB

Unit came in completely dead. Read that others had to replace all output transistors, driver transistors and bias diodes...
1 comments posted 7yrs
posted by Darryl Widman
1 comments posted 7yrs posted by Darryl Widman

16 X 64 SCROLLING LED MATRIX

I have an arduino mega 2560 and wants to use it to drive a 16x64 LED array but the outputs are not enough, Is there any...
5 comments posted 7yrs
posted by fynnashba
5 comments posted 7yrs posted by fynnashba

Oldtimer question (valves/tubes)

Gentlemen, I've got this RF sig gen I'm testing at the moment. It was made in 1955 and is all valve (I say "all valve"...
50 comments posted 7yrs
posted by curd
50 comments posted 7yrs posted by curd

Denon AVR HDMI question

Neither Denon nor NVidia has been able to resolve a problem I have. My system consists of a Linux Box running MPlayer t...
6 comments posted 7yrs
posted by NoEMail
6 comments posted 7yrs posted by NoEMail

Crazy idea?

I posted this in the basics newsgroup too but repairs could be in my future. Mebbe I shud jest leave things be... But h...
28 comments posted 7yrs
posted by etpm
28 comments posted 7yrs posted by etpm

Capacitor again :- (

capacitor 25 x 56.5mm and 450v) that would fit inside my rolling shutters tubular motor. Then I noticed that other data...
15 comments posted 7yrs
posted by Cybnorm
15 comments posted 7yrs posted by Cybnorm

Will this capacitor work?

Hi guys, the motor run capacitor for my rolling shutters tubular motor died. The cap case size is 35mm x 78mm and this...
9 comments posted 7yrs
posted by Cybnorm
9 comments posted 7yrs posted by Cybnorm

Pinout for digital ic CD74C4511

Please I am looking for the pin outs or the equivalent for this ic; CD74C4511. Thanks.
3 comments posted 7yrs
posted by fynnashba
3 comments posted 7yrs posted by fynnashba

Laser questions - eBay find

Hi all, I recently picked up what appears to a flashlamp pumped YAG laser from ebay: https://rover.ebay.com/rover/0/0/0...
1 comments posted 7yrs
posted by benschwe
1 comments posted 7yrs posted by benschwe

POTS Telephone Block

Hello, and my apologies for not a repair query but since this ng seems well attended - In the old days of copper-wire a...
4 comments posted 7yrs
posted by arl_123234
4 comments posted 7yrs posted by arl_123234

Marantz Model 19 Scope

Does anyone know anything about these ? I know the basics but there are det ails missing from the print, LIKE THE PINOU...
16 comments posted 7yrs
posted by jurb6006
16 comments posted 7yrs posted by jurb6006

SAMs or Forest Mims style analog ic design book

I am thinking about learning how to do analog ic design at home. I don't know what low cost software yet exists out the...
12 comments posted 7yrs
posted by JansenSem999999
12 comments posted 7yrs posted by JansenSem999999