Electronics Repair

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Samsung PCN5425R Help

I've been struggling with a Samsung PCN5425R. It keeps turning on and off. I've replaced the convergence circuit ( the...
0 comments posted 18yrs
posted by rcoonjr
0 comments posted 18yrs posted by rcoonjr

Misc. Parts that are taking up space for me

I understand most of this is older/obsolete/common/overfilling everyone's shelves/etc.. so don't bother informing me of...
3 comments posted 18yrs
posted by bearmore
3 comments posted 18yrs posted by bearmore

Valve/tube car radio AM to FM conversion ideas?

For appearance and modern day use in a vintage vehicle. That is adding an FM IC inside somewhere rather than RF convert...
8 comments posted 18yrs
posted by diverse
8 comments posted 18yrs posted by diverse

Denon PMA 250 mains tranny secondary voltage

As the subject says, I have a Denon PMA 250 with an open circuit mains transformer primary - no doubt the thermal protec...
6 comments posted 18yrs
posted by ron
6 comments posted 18yrs posted by ron

UPS function

Hi, I'm using a 700W UPS (localy made) with a 120 Ampere battery to run three ceiling fans (150W each), a tube (40W), a...
9 comments posted 18yrs
posted by kitwSPAMeb19
9 comments posted 18yrs posted by kitwSPAMeb19

Arcade Monitor Chassis CRT Substitute

Hello all, I need some advice. I am restoring Pac-Man Mini arcade game with an Electrohome G07-FB0 13" CRT Monitor. Thi...
2 comments posted 18yrs
posted by davidjp
2 comments posted 18yrs posted by davidjp

Viewsonic PF790 shuts down within seconds

I've started looking into a problem with a Viewsonic PF790 monitor that I've had sitting in the closet for the last yea...
5 comments posted 18yrs
posted by dhducati
5 comments posted 18yrs posted by dhducati

Please need help about 2708 eprom...

hi guys! I need to have an obsolete 2708 eprom programmer-reader.. It's very difficult to find modern eprom programmers...
34 comments posted 18yrs
posted by formula1vhs
34 comments posted 18yrs posted by formula1vhs

Aiwa TP30 or TP31 tape recorder schematic ?

Hi, Has anyone got or know where I can get a schematic for an Aiwa TP30 or TP31 tape recorder? Thanks, JEFF
0 comments posted 18yrs
posted by jeff_164
0 comments posted 18yrs posted by jeff_164

adding relay to AC fan circut

I am trying to couple my air conditioner to a blower. I want the blower to start when the fan in the AC does. It is a 3...
8 comments posted 18yrs
posted by philsvintageradios
8 comments posted 18yrs posted by philsvintageradios

Re: Replacing LCD CCFL backlight

I'm the original poster and have a problem after having replaced the old CCFL with a new one :-( The display lights up...
5 comments posted 18yrs
posted by none
5 comments posted 18yrs posted by none

12VDC inverter system

We have a customer who owns a series of 24 and 30 unit apartment buildings. Presently on each floor as per local requir...
8 comments posted 18yrs
posted by captainvideo462002
8 comments posted 18yrs posted by captainvideo462002

Mackie M1400 poweramp problem

Hi all. I had a shorted driver stage (MJE15032/33) in one of the channels which resulted a lot of open resistors in the...
46 comments posted 18yrs
posted by powerampfreak
46 comments posted 18yrs posted by powerampfreak