Electronics Repair

Help me identifying a diode marking

Hi! Short circuited diode, glass enclosure. The only markings are 2 and 18. Zener 18V?

16 comments posted 12yrs

posted by at_NOSPAM_

16 comments posted 12yrs posted by at_NOSPAM_

Ultra-Sonic Generator

I am looking for the electrical/electronic schematic for a Medi-Sonar home medical ultrasonic treatment unit. Thank to a...

0 comments posted 12yrs

posted by robtking

0 comments posted 12yrs posted by robtking

Post mortem on the body of a resistor

Was it 82K or 100K ? Assuming no other info available other than from the general circuit posistion and other marks of...

4 comments posted 12yrs

posted by diverse

4 comments posted 12yrs posted by diverse

OT: e-waste

Anyone seen clever alternative uses for CRT computer monitor cases or other uses for e-waste stuff, converted to comple...

28 comments posted 12yrs

posted by diverse

28 comments posted 12yrs posted by diverse

Re: Stereo Scoundcard Oscilloscope

> Windows Stereo Scoundcard Oscilloscope, Mutiple Inputs Modes, Mixer > Controls, Single/Dual Trace, Man/AutoGain, Colo...

13 comments posted 12yrs

posted by robert.a.macy

13 comments posted 12yrs posted by robert.a.macy

building battery pack 12 volt 500 mA

I am trying to build a battery power supply for my old wireless (Shure) mic rophone reciever which takes 12 volts 15mA....

2 comments posted 12yrs

posted by belliveaumagic

2 comments posted 12yrs posted by belliveaumagic

Fender Concert PR244 amp

Distorted output, half wave. I've not dismantled to get to component side of the board yet, nor tested the valves yet....

4 comments posted 12yrs

posted by diverse

4 comments posted 12yrs posted by diverse

MK5017AA - i NEED ONE

PART 443-601 FOR DIGITAL CLOCK

1 comments posted 12yrs

posted by NSOMMER

1 comments posted 12yrs posted by NSOMMER

Replacement rubber laptop feet

Hot melt glue: I just tried it and it seems to work. -- Jeff Liebermann snipped-for-privacy@cruzio.com 150 Felker St #D...

3 comments posted 12yrs

posted by jeffl

3 comments posted 12yrs posted by jeffl

Q8+ TV quad SIM cellphone password

I planned to copy the instruction leaflet of this Chinese mobile phone - then lost it en route to my scanner. Not too s...

3 comments posted 12yrs

posted by spam-no-spam

3 comments posted 12yrs posted by spam-no-spam

Re: Metal Detecting Gold

>Welcome to the Gold finders Database, this application has tons of secrets about finding gold, from mine consitrations...

4 comments posted 12yrs

posted by etpm

4 comments posted 12yrs posted by etpm

OT:how to delaminate laminated paper?

Browned plastic, perhaps 1970s, covering still fairly white paper. Inserting a razor , only wants to split the paper int...

10 comments posted 12yrs

posted by diverse

10 comments posted 12yrs posted by diverse

Repaired Maytag Bravos Washer with d5 code.

I found my washer had stopped with a d5 code showing. A search found this was a suds code. It was not really a suds cod...

6 comments posted 12yrs

posted by nojunk

6 comments posted 12yrs posted by nojunk

Collaro RC457 record deck from 1958

In Philco A3762, i have the schematic but mechanical problems Would there have been a rubber tyre on the rim of the lef...

11 comments posted 12yrs

posted by diverse

11 comments posted 12yrs posted by diverse

ROHS and irons and desoldering tools

Is there an iron and a desolder tool that makes ROHS as easy as SnPb used to be?

15 comments posted 12yrs

posted by td_03

15 comments posted 12yrs posted by td_03