Electronics Repair

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TEAC Cassette Deck W-750R

While I am on lockdown, I am fixing a pile of old equipment. The subject dual cassette deck is in need of new belts. I...
6 comments posted 6yrs
posted by paul
6 comments posted 6yrs posted by paul

scandisk fail

Hi all, My daughters ~3yro computer wouldn't boot... no hard drive. I took her my lap top and brought it home.. crackin...
9 comments posted 6yrs
posted by ggherold
9 comments posted 6yrs posted by ggherold

Repairing VACTECs

Hi, linear opto-isolators called VACTECs are common in instrument amplifiers and other items like pedals. Many versions...
10 comments posted 6yrs
posted by pallison49
10 comments posted 6yrs posted by pallison49

New solar panel on nerdiest gadget of all time

About 25 years ago I bought a baseballs hat with a solar panel on the top w hich drove a fan motor. It looked terrible...
7 comments posted 6yrs
posted by licensedtoquill
7 comments posted 6yrs posted by licensedtoquill

HP Laserjet 3800n paper feeding problems

Good morning When I print a page my HP Laserjet 3800n often picks two or more paper sheets from the tray. I have been g...
6 comments posted 6yrs
posted by me
6 comments posted 6yrs posted by me

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

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