Electronics Repair

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Diode type PG1992 ?

Anybody know where to get these or can recommend a replacement? I can't even find it in my data books, so I don't know...
5 comments posted 5yrs
posted by john_crane_59
5 comments posted 5yrs posted by john_crane_59

Fender amp chassis non conducting?

Hi, just saw a circa 10 year old Fender " Blues Junior" amp. The chassis is of the usual plated steel, bent sheet const...
14 comments posted 5yrs
posted by pallison49
14 comments posted 5yrs posted by pallison49

KDL40V5100

A Sony KDL40V5100 gives lamp error indictions (6 blinks) but the inverter seems to run normally, if burst duration is u...
2 comments posted 5yrs
posted by legg
2 comments posted 5yrs posted by legg

Rewiring an antique Torchiere lamp.

I'm rewiring an antique Torchiere lamp. It is very similar (if not identical) to what is shown in this video: https://w...
28 comments posted 5yrs
posted by farberbear.unspam
28 comments posted 5yrs posted by farberbear.unspam

audio buzzing after PC is turned off

Pretty simple set up. I have my phono output from my desktop Audiofile 2496 sound card driving an Altec Lansing speaker...
13 comments posted 5yrs
posted by nsd
13 comments posted 5yrs posted by nsd

KVM power

I've never seen KVM switches needing power before and this one (I bought several) has no power supply included. But the...
5 comments posted 5yrs
posted by vjp2.at
5 comments posted 5yrs posted by vjp2.at

CRT peel

I bought an HP 2621a CRT computer terminal in 1980. But about fifteen years ago the screen got black spots like mildew....
5 comments posted 5yrs
posted by vjp2.at
5 comments posted 5yrs posted by vjp2.at

OT: Davtrend CL-19 Linear PSU diagram?

Hi, I marked it OT as nothing needs repairing as such ... Having a tidy up in the study yesterday I took the top of my...
2 comments posted 5yrs
posted by news
2 comments posted 5yrs posted by news

Overcharging the battery

How come my Sandisk Clip Sport says one cannot ovrcharge the battery, but none of my smartphones have ever said that?
15 comments posted 5yrs
posted by NONONOmisc07
15 comments posted 5yrs posted by NONONOmisc07

Panasonic PV-4800 VCR Timer Recording Issue

Hi, My 1988 Panasonic PV-4800 VCR has an issue with Timer Recording. I can set a time to make a recording, turn off the...
12 comments posted 5yrs
posted by jaugustine
12 comments posted 5yrs posted by jaugustine

What is this stuff?

Someone on Freecycle gave me a nice tv, pretty old, but comelete with owners manual and remote control. The remote work...
9 comments posted 5yrs
posted by NONONOmisc07
9 comments posted 5yrs posted by NONONOmisc07

DIY HF loop antenna queries

Technical questions here, but I'm sure someone knows the answer. I recently built a 1 meter diameter three turn loop an...
0 comments posted 5yrs
posted by bostwD
0 comments posted 5yrs posted by bostwD