Electronics Repair

Tek Scope Issue

Hi all, Forgive me for not having very much useful detail on this, but a friend has a scope that's unfocusable and prod...

11 comments posted 11yrs

posted by curd

11 comments posted 11yrs posted by curd

A broken computer and power issues - howto diagnose?

Someone dropped off a broken computer about 15 days ago. The only symptoms were that it didn't boot-BIOS/no-cpu-fan but...

2 comments posted 11yrs

posted by vek.m1234

2 comments posted 11yrs posted by vek.m1234

PSU gone awry

Hi all, Just before I connected up the PSU to this AOR comms rx I'd bought, I thought I'd best double check the polarit...

12 comments posted 11yrs

posted by curd

12 comments posted 11yrs posted by curd

CRT Television Hum

I have a analog TV that is still working fine and no plans to replace it. Over time, it has developed an audio hum - I'...

22 comments posted 11yrs

posted by Snuffy-Hub-Cap

22 comments posted 11yrs posted by Snuffy-Hub-Cap

Electric meter conversion to wireless, I doubt this could be safe

We received a notice from the power company that they intend to replace our two electric meters with the new wireless u...

23 comments posted 11yrs

posted by captainvideo462009

23 comments posted 11yrs posted by captainvideo462009

USB Connector

Just wondering. Old laptop with all USB2 connectors. Favorite USB port seems to be wearing out. I have one USB3 flash d...

1 comments posted 11yrs

posted by spamnot

1 comments posted 11yrs posted by spamnot

OT: 7-sided kilns ?

I was talking to a kiln-repairer this week. He'd recently refurbished a couple of these http://www.hobbyceramicraft.co....

5 comments posted 11yrs

posted by diverse

5 comments posted 11yrs posted by diverse

Driveway Alam Weak

Harbor Freight Wireless Security Alarm System Item 93068 Been working for years indoors only. Recently the range has di...

3 comments posted 11yrs

posted by RD

3 comments posted 11yrs posted by RD

Newbie oscilloscope question

Want to learn. Playing with Arduino and old Heathkit 1Mz scope. Have 1x10x probe with BNC connector. Heath scope has bi...

11 comments posted 11yrs

posted by ivanvegvary

11 comments posted 11yrs posted by ivanvegvary

Dishwasher problems

I have an old Kenmore model 665.1661591 (made by whirlpool) dishwasher that has been acting up for several weeks now. T...

14 comments posted 11yrs

posted by captainvideo462009

14 comments posted 11yrs posted by captainvideo462009

Failure modes of fridge thermostat?

Just had a failure and had to replace with a new thermostat/temp control This is a gas operated thermostat that works a...

4 comments posted 11yrs

posted by charlie

4 comments posted 11yrs posted by charlie

trouble with inverter, car battery and car emergency set up

I had a recent power outage that lasted for 3 days. Not having a generator on hand, I decided to try using what I did h...

6 comments posted 11yrs

posted by acdfg

6 comments posted 11yrs posted by acdfg

Replace lithium cell in discontinued battery?

I have a feature phone that's several years old, but still works fine. But the battery is on its last legs, and I'm hav...

3 comments posted 11yrs

posted by waybackNO584SPAM44

3 comments posted 11yrs posted by waybackNO584SPAM44

Power Supply For HP dv1040us Laptop

Does anyone know if a novice armed with just a few Phillips screwdrivers can easily replace the power supply of an HP d...

7 comments posted 11yrs

posted by nospam

7 comments posted 11yrs posted by nospam

Charging gel cells in series

I have a customer who wants to buy twelve 12.0 volt 8.0 AH gel cells from m e. He uses these in his fire alarm panels a...

15 comments posted 11yrs

posted by captainvideo462009

15 comments posted 11yrs posted by captainvideo462009