Electronics Repair

Finding 100A TVS diode?

BZW6-26, 26v TVS unidirectional diode, through-hole, obsolete, n/a. The original datasheet says that the 600W peak puls...

2 comments posted 9yrs

posted by noncompliant

2 comments posted 9yrs posted by noncompliant

TV not receiving Channel 2

Toshiba LCD TV Model 22C1004, made in Nov 2010. This has been a great TV, with lots of extra features that other small...

11 comments posted 9yrs

posted by newgene.mcmensaREMOVE

11 comments posted 9yrs posted by newgene.mcmensaREMOVE

L2 Audio, PA1000 slave amp

No schematic seemingly available, anyone know if circuit similar to anything else? Owner no longer remembers what the p...

4 comments posted 9yrs

posted by diverse

4 comments posted 9yrs posted by diverse

Confused by Comcast "fees" & Samsung SX022ANM

I'm confused by Comcast Comcast "Broadcast TV Fee" of $6.50 and the "Regional Sports Fee" of $4.50 and the Samsung SX02...

12 comments posted 9yrs

posted by MartimXRibeiro

12 comments posted 9yrs posted by MartimXRibeiro

BIOS date and time in a Pentium 4 not adjustable.

A Pentium 4 with Intel system board here. When powered up the screen displays GB85010A.86A.0078.P18.0110081719 ... CMOS...

10 comments posted 9yrs

posted by petereasthope

10 comments posted 9yrs posted by petereasthope

circuit breaker overheat

Had two circuit breakers do something odd at home. One tripped, and I assumed somebody had a space heater and a hair dr...

9 comments posted 9yrs

posted by jmelson

9 comments posted 9yrs posted by jmelson

Problems with old motor cap?

Hey All, I have an old Baldor bench grinder. Probably 70 years old or older. The motor is the type that uses a capacito...

12 comments posted 9yrs

posted by etpm

12 comments posted 9yrs posted by etpm

Why should someone replace ALL the capacitors on old Tube equipment?

Why should someone replace ALL the capacitors on old Tube equipment? It seems that some people advocate that. I underst...

119 comments posted 9yrs

posted by oldschool

119 comments posted 9yrs posted by oldschool

Transformer Question

I was looking at the commercial isolation transformers and they are very costly, so I decided to build my own. After al...

10 comments posted 9yrs

posted by boomer#6877250

10 comments posted 9yrs posted by boomer#6877250

Right to repair

This might be of interest. A farmers group is leading a movement to require manufacturers to supply service information...

31 comments posted 9yrs

posted by jeffl

31 comments posted 9yrs posted by jeffl

Do they still sell multi-part electrolytic capacitors?

I want to re-cap an old tube type shortwave radio. I dont mind using plastic coated caps to replace the old paper-wax o...

30 comments posted 9yrs

posted by oldschool

30 comments posted 9yrs posted by oldschool

Belton BTDR-1H, reverb unit

First one I've come across, anyone know what is inside? too big to be bucket-brigade and regulator and a couple of opam...

4 comments posted 9yrs

posted by diverse

4 comments posted 9yrs posted by diverse

Panasonic DVD Recorder DMR-ES20 takes Long Time to Initialize

Hi, Note: I did electronic service work for many years. Note: This DVD recorder does NOT use a computer. It has AV inpu...

17 comments posted 9yrs

posted by jaugustine

17 comments posted 9yrs posted by jaugustine

HDMI receiver with HD radio tuner

This is going to be hard to believe, but I am in the market for a new receiver and I want one with HD radio tuner. The...

11 comments posted 9yrs

posted by NoEMail

11 comments posted 9yrs posted by NoEMail

Vox AC30VR, 2009, PbF

Firstly does VR stand for Visual Replica, LM3875 amp with 1 valve, a bit smaller and lighter than the original. Origina...

2 comments posted 9yrs

posted by diverse

2 comments posted 9yrs posted by diverse