Electronics Repair

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EPROM success!

The replacement circuit board arrived yesterday afternoon. I very carefully grounded myself as well as the new and old...
8 comments posted 9yrs
posted by etpm
8 comments posted 9yrs posted by etpm

STR-W6000S power IC

l am working on a refrigerator board which uses STR-W6000S power ic The res istor to pin 3 of the ic is burnt beyond re...
5 comments posted 9yrs
posted by fynnashba
5 comments posted 9yrs posted by fynnashba

Ground is no longer at ground potential

Scientists have determined that ground is no longer at ground potential. It dont matter if you're referring to the grou...
38 comments posted 9yrs
posted by oldschool
38 comments posted 9yrs posted by oldschool

Florescent light fixture gone bad

I have a "Lights of America" Florescent fixture (4 ft - 2 bulb shop light). Only one bulb would light. New bulbs did no...
13 comments posted 9yrs
posted by oldschool
13 comments posted 9yrs posted by oldschool

Another EPROM question.

I would like to read what is in the old EPROMs in my machine. They contain the ladder programming for the machine. I ca...
4 comments posted 9yrs
posted by etpm
4 comments posted 9yrs posted by etpm

Old EPROM questions

All that know, I have a machine tool made in 1985 that has, apparently, a faulty circuit board. This board has EPROMs o...
12 comments posted 9yrs
posted by etpm
12 comments posted 9yrs posted by etpm

Fun things to do with LCD TV display bits?

The fancy plastic sheets for distributing the lamp light, microprism sheet etc. A thunder-sheet sound-effect "machine" f...
0 comments posted 9yrs
posted by diverse
0 comments posted 9yrs posted by diverse

Blank RF Probe tips

Do any companies sell those blank RF probe tubes with metal tips? I recall back in the 60s you could buy the entire pro...
35 comments posted 9yrs
posted by oldschool
35 comments posted 9yrs posted by oldschool

Where to find schematic for XAM Model 200 amp?

I just picked up a XAM model 200 amplifier. It was cheap, and I thought it would be a nice small and simple amp for com...
6 comments posted 9yrs
posted by oldschool
6 comments posted 9yrs posted by oldschool

Scott LK150

I am looking for a clean copy of the original assembly manual for a Scott LK150. The unit I have was assembled with Kyna...
2 comments posted 9yrs
posted by pfjw
2 comments posted 9yrs posted by pfjw

Eyephones, Earphones . . . . :)

A young guy was bragging to some guys that he just got a brand new I-phone. One of the guys replied, "you got an eyepho...
3 comments posted 9yrs
posted by oldschool
3 comments posted 9yrs posted by oldschool

Samsung S5 earphonr jack

the S5 female was bent out by the dealer. Is there an insert or DIY fix for too large females ?
10 comments posted 9yrs
posted by avagadro7
10 comments posted 9yrs posted by avagadro7