Electronics Repair

Oscilloscope 'floating' measurements

Many advocate the use of an isolating transformer. The oscilloscope probe and ground are then used like multimeter lead...

43 comments posted 14yrs

posted by bobh

43 comments posted 14yrs posted by bobh

QAM tuner?

Well this is not about repair, but I don't know where else to ask it, and someone here will know. I still have an old C...

2 comments posted 14yrs

posted by waybackNO746SPAM44

2 comments posted 14yrs posted by waybackNO746SPAM44

TO3 mounting query

In typing this I thought of a reason for it but will continue for any one else's input. I've never seen it before but s...

5 comments posted 14yrs

posted by diverse

5 comments posted 14yrs posted by diverse

SMD top code graphics and other symbols

Other than hyphen is it only letters and numbers only for the type code? If some extended graphics symbol then is it da...

4 comments posted 14yrs

posted by diverse

4 comments posted 14yrs posted by diverse

wanted: new VC for Fisher CA273 stereo amplifier

Does anyone know where I might find a slider-type volume control potentiometer for a Fisher CA273 stereo amplifier? The...

1 comments posted 14yrs

posted by analogdino

1 comments posted 14yrs posted by analogdino

Types of lead-free solder

Still no industry standard? Which alloy do you like for repair of new boards?

10 comments posted 14yrs

posted by td_03

10 comments posted 14yrs posted by td_03

Normal to Have Warm Outlet to Portable Oven?

Hi, When I use a portable roaster / oven, the outlet that I plug the cord into gets pretty warm, as well as the wire at...

17 comments posted 14yrs

posted by user132384

17 comments posted 14yrs posted by user132384

Panasonic Euro 4 Cogging - Please help

Hi I've got a Panasonic TX24DX1 tv with the Euro 4 chassis. There is slight cogging on the verticals, which I think may...

3 comments posted 14yrs

posted by pedwards

3 comments posted 14yrs posted by pedwards

How to adjust Volume control range on TV monitor?

I use Direct TV satellite receiver. For the monitor connected via HDMI camble: Element Electreonics 40 inch LCD, ELGFT4...

7 comments posted 14yrs

posted by robert.a.macy

7 comments posted 14yrs posted by robert.a.macy

JFET identification

Hi all, Looking for a datasheet or any info on a FET used in a Keithley 2000 location Q105. The service manual lists it...

5 comments posted 14yrs

posted by none

5 comments posted 14yrs posted by none

Nakamichi CD Player 3 - needs to heat before it's able to read disc

Hi, I have a Nakamichi CD Player 3, circa 1992, that is a terrific player, but requires to be warmed up for about 1.5 h...

14 comments posted 14yrs

posted by <andrewsave

14 comments posted 14yrs posted by <andrewsave

Aerial wifi antennae

Since HDTV came out, I basically get one different station in each room I move the TV to. Someone joked that the reason...

9 comments posted 14yrs

posted by vjp2.at

9 comments posted 14yrs posted by vjp2.at

Curious longlived battery

ca 1995 I bought some 7yr diver watches from Woolworth. WHen they doed I tried to replace the battery but the entire wa...

11 comments posted 14yrs

posted by vjp2.at

11 comments posted 14yrs posted by vjp2.at

Garmin vs Tomtom

I see advertisements for Garmin and TomTom GPS units, with lifetime map updates and same size 5" screens for the same p...

9 comments posted 14yrs

posted by hrhofmann

9 comments posted 14yrs posted by hrhofmann

Help us to Improve childcare in India

Hello There, Greetings of the day!! Four of them (an XLRI MBA student, a doctor, an IIT Madras student, and an IT profe...

0 comments posted 14yrs

posted by aurora.babycare

0 comments posted 14yrs posted by aurora.babycare