Electronics Repair

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Display from an old Toshiba 205CDS

A photo of the display on an old Toshiba 205CDS is here. http://carnot.yi.org/Satellite205CDS.jpg An external monitor c...
1 comments posted 13yrs
posted by peasthope
1 comments posted 13yrs posted by peasthope

New Dropbox alternative with 10GB free space

Everybody, there is a new online storage startup, similar to Dropbox or box.com, get your free 10 GB easily, 5GB on sig...
5 comments posted 13yrs
posted by akanakshaa
5 comments posted 13yrs posted by akanakshaa

Listing of bad valve batch numbers anyehere?

2007 made Marshall 2266. Someone had been in there before and changed ECC83 V3 and V4 which function and tested fine. I...
1 comments posted 13yrs
posted by diverse
1 comments posted 13yrs posted by diverse

Faulty USB sound card (U71-SW)

I recently purchased a cheap USB sound card off E-bay (U71-SW). It is white in colour and has a short cable with a USB...
2 comments posted 13yrs
posted by M.Joshi.bbb2609
2 comments posted 13yrs posted by M.Joshi.bbb2609

Vox VT100 DSP amp, 2008

Loss of bass output, low level compared to mid and treble input test signals. Altering bass pot makes little difference...
2 comments posted 13yrs
posted by diverse
2 comments posted 13yrs posted by diverse

Tek 545B O'scope Fuse and Power

So, I recently got a Tektronics 545B oscilloscope. It's been sitting in a b asement for god knows how long, and I thoug...
44 comments posted 13yrs
posted by noeltkeith
44 comments posted 13yrs posted by noeltkeith

Dissembly Of Ryobi Battery?

viz: http://tinyurl.com/c788h7k I'm guessing this thing has a weak cell and Home Depot doesn't want to hear about it. I...
14 comments posted 13yrs
posted by x
14 comments posted 13yrs posted by x

Adcom parts needed (GFP-1A & GFT-1A)

Hello all, I've got 2 vintage Adcom repairs here that I need parts for. Anyone got any parts units around? One is a GFP...
4 comments posted 13yrs
posted by tim
4 comments posted 13yrs posted by tim

Fender Passport PAs

** Is anyone here unfortunate enough to have experience servicing Fender Passports ? In particular, the Passport PD250....
4 comments posted 13yrs
posted by phil_a
4 comments posted 13yrs posted by phil_a

I never cease to be amazed ...

Guy that I know brought me a Polytone Mini Brute to look at earlier this week. He reckoned that it hummed, but otherwis...
1 comments posted 13yrs
posted by arfa.daily
1 comments posted 13yrs posted by arfa.daily

zener diode question

I need to come up with a zener diode that will handle 1.0 amp of current at 12V. I currently am using two 6.8V 10 watt...
21 comments posted 13yrs
posted by captainvideo462009
21 comments posted 13yrs posted by captainvideo462009

Amp Repair - Stuck to negative Rail

Hello! I have to repair an old Cabotron amplifier. The amp is a common class A-B, with MJ15015 e MJ15016 power transist...
3 comments posted 13yrs
posted by bigground
3 comments posted 13yrs posted by bigground

Heathkit IM-105 Schematic & Cal Info Needed

I am looking for the schematic and calibration instructions for my Weston 660 / Heathkit IM-105 Multimeter so I can rep...
13 comments posted 13yrs
posted by radiotek.baf3d00
13 comments posted 13yrs posted by radiotek.baf3d00