Electronics Repair

OT: Covid-19 personal protection ideas, and related

Consulting a couple of medics about this, they seem to be as much in the dark about this and just use what they are giv...

26 comments posted 6yrs

posted by diverse

26 comments posted 6yrs posted by diverse

PAL/NTSC - chroma phase vs. colour documentation

Hi group! I am looking for documentation that would clearly say what colour is expected at which phase difference betwe...

15 comments posted 6yrs

posted by email

15 comments posted 6yrs posted by email

Excessive motor current draw question

I have a Tiawanese manual lathe with a 3 phase 3hp motor. I run my shop on a phase converter. I have a CNC lathe with a...

7 comments posted 6yrs

posted by etpm

7 comments posted 6yrs posted by etpm

I want to improve my front door lock

Has anyone ever used this or do you know about it? https://www.amazon.com/MiLocks-WF-02SN-Digital-Deadbolt-Exterior/dp/...

12 comments posted 6yrs

posted by NONONOaddressee

12 comments posted 6yrs posted by NONONOaddressee

How to replace bad CPU on circuit board?

At my workplace, I'm often faced with circuit boards which WOULD be repairable, if not for the fact that the CPU on the...

8 comments posted 6yrs

posted by Hatley.Software

8 comments posted 6yrs posted by Hatley.Software

peterwieck Has Peter Wieck ever added any technical value to any thread on this newsgroup in his entire life?

Has Peter Wieck ever added any technical value to any thread on this newsgroup in his entire life? o " snipped-for-priv...

13 comments posted 6yrs

posted by arlen.george.holder

13 comments posted 6yrs posted by arlen.george.holder

organizing the "ratsnest", Target 3001?

Since I last posted, I was able to finish circuit board layout in Target 3001 and now have a schematic, but it's all a...

0 comments posted 6yrs

posted by allbummedup

0 comments posted 6yrs posted by allbummedup

Intermittent Fault :(

Gentlemen, I'd welcome any constructive suggestions on how to proceed with tracking down this elusive and annoying faul...

12 comments posted 6yrs

posted by curd

12 comments posted 6yrs posted by curd

HISENSE 161364 POWER SUPPLY BOARD

Hi Group, Can someone help please, I'm working on a HISENSE 161364 POWER SU PPLY BOARD FOR model #40K360MN. no vlotage...

1 comments posted 6yrs

posted by stankowalski02

1 comments posted 6yrs posted by stankowalski02

Working on a FT757GX Radio, problems problems..

I know someone out there must of worked on one of these rigs at one time or another.. Currently I am working on one tha...

1 comments posted 6yrs

posted by jamie_ka1lpa

1 comments posted 6yrs posted by jamie_ka1lpa

anyone have info on this old flyback?

A real hold up in trying to recreate a schematic from the circuit board. The flyback number was FMH-1232BE made by Semc...

2 comments posted 6yrs

posted by allbummedup

2 comments posted 6yrs posted by allbummedup

video (substation work went wrong)

-- https://www.dailymail.co.uk/news/article-7680145/Electricity-substation-worker-narrowly-avoids-electrocution-shocking...

1 comments posted 6yrs

posted by bruce2bowser

1 comments posted 6yrs posted by bruce2bowser

Pump house wiring

Since my post asking about well pump house wiring I went to several neighbor's places to look at their pump house wirin...

4 comments posted 6yrs

posted by etpm

4 comments posted 6yrs posted by etpm

HP LaserJet pro 400 series; solenoid won't energize.

Hello! Solenoid is fine; not sticking and energizes with external source. Needless to say MP feed won't pickup paper. A...

10 comments posted 6yrs

posted by reves.u

10 comments posted 6yrs posted by reves.u

Baku 601D hot air reflow station - warning

I had a Baku 601D hot air reflow soldering station smoke on my bench over the weekend, with all switches 'off'. It's no...

11 comments posted 6yrs

posted by legg

11 comments posted 6yrs posted by legg