Electronics Repair

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Hiwatt AP CP103 ,2005 valve amp

Blown mains fuse and owner thinks he replaced the HT and mains ones after initial failure. Amp failed in tune 5 into a...
4 comments posted 13yrs
posted by diverse
4 comments posted 13yrs posted by diverse

Dranetz 626 plug-ins

There are many different models of 626 power disturbance monitors, from the vanilla 626, and from the 626A through 626G...
0 comments posted 13yrs
posted by invalid
0 comments posted 13yrs posted by invalid

Tek 465 trigger problem.

Hello, I have a Tektronix 465 which is perfect in every way except that the horizontal trigger has gone belly up and the...
18 comments posted 13yrs
posted by jfields
18 comments posted 13yrs posted by jfields

Old Panasonic CRT TV, Adjusting Picture Geometry

Hi, I want to adjust the picture geometry on my 1993 Panasonic TC26-L1R (chassis M16M) crt tv. The picture is zoomed in...
9 comments posted 13yrs
posted by ar_re70
9 comments posted 13yrs posted by ar_re70

HeNe laser frequency noise

Hi all, I am measuring the beat-signal between a tunable HeNe laser and a stabilized one, and seeing something like thi...
9 comments posted 13yrs
posted by anders.e.e.wallin
9 comments posted 13yrs posted by anders.e.e.wallin

Nakamichi TA-2 Receiver in a funk

I'm trying to troubleshoot a 1980'2 era Nak receiver that has pushbutton in put switching via a microprocessor (can als...
6 comments posted 13yrs
posted by jhelffrich
6 comments posted 13yrs posted by jhelffrich

Netgear CG814WG v2 cable modem blinking lights.

I have a Netgear CG814WG v2 cable modem. The internet went out this morning and I checked the lights on the modem. The...
13 comments posted 13yrs
posted by farberbear.unspam
13 comments posted 13yrs posted by farberbear.unspam

EMP weapon

Would it be possible to make a device, which could be carried in a suitcase, which would destroy/disable a computerized...
34 comments posted 13yrs
posted by leif
34 comments posted 13yrs posted by leif

Wanted qty-4 TH562 / SD1731 PA Transistors

Wanted qty-4 TH562 / SD1731 PA Transistors Any ideas as to supply of 'genuine' items ? Tnx -Graham
2 comments posted 13yrs
posted by g0nbd
2 comments posted 13yrs posted by g0nbd

Cable modem TV antenna experiment

The other day I was surfing the web and saw an ad for a cable modem, which won't do me any good because I don't have ca...
30 comments posted 13yrs
posted by td
30 comments posted 13yrs posted by td

DVD laser (just out of curiosity).

Is a DVD laser orange/amber? Someone tossed an old DVD player in the bins at the flats, so I decided to investigate its...
19 comments posted 13yrs
posted by gangprobing.alien
19 comments posted 13yrs posted by gangprobing.alien

Sound defect in Sony KV2170GE

I have 21" Sony CRT tv, model KV2170KV which looses its volume gradually from loud to soft and evantually ends up buzzi...
2 comments posted 13yrs
posted by vernondopaul
2 comments posted 13yrs posted by vernondopaul