Electronics Forum / Repair / July 2004

I have a sears/sanyo c539-14949 tv,  c539-50775 that i got from a dump.  It has no manual or remote for it.  The problem I am having is regarding the on screen menu system, I cannot change the other settings (tint, contrast etc) besides colour.  I tried the on tv controls with no ...

I need replacement output and output driver transistors for a Heil Ohmega
400 power amp (1970's).
The company no longer has stock, but I spoke with Bob Heil, and he said he
has seen discussions on this amp in  this NG.  The part #s are proprietary,

The other night I walked a friend out to her car and there sitting next to my
car was an older giant screen RCA projection TV. I live next to an Apt.
building and I assume someone moved and left it. I stood there for 15 minutes
talking to my friend, at 8:00 pm  I asked her if she ...

I posted this on alt.home repair and got no feplies for the last few days,
just reposted it.  Figured it is electrical in nature and that some of you
might know the answer since most people here are into fixing stuff.
I have a Whirlpool gas freestanding range with sealed burners

Just found this clean electronics related joke in a humour area:
S&M Story
My girlfriend always seemed to enjoy seeing how much she could get away
with doing some form of bondage stuff in public. She does this partly

I just put my phasor on stun to heat up some cheese on rice crackers and
there were fireworks , and my phasor was charred and smoking . I will have
to have Spock look at it after he gets done repairing the antimatter printer
. Does anyone know how to open a phasor ?

I have an opportunity to buy a TDS420 oscilloscope.
What is your opinion of this scope?
Are options and repairs available for it yet?
Where would you buy accessories for it?

THe system took a power surge and of course no surge protector. So how
do I diagnose the power supply? What do I check?

I have a Siemens 68cm TV using a CUC1825 type chassis.
The yoke is coated with a brown epoxy and I don't understand why it should sing.
But it does.The tube does not use rings and I think it was a philips tube.
When the volume is low,the buzz is very annoying.

I've got a "better" Sony receiver/amp that's working fine.
I recently connected the audio from a PC sound card to the AUX input
ond it sounds great. I've been listening to Internet Radio and my MP3s
but I've noticed that for what seems to be the same listening level

A while back I wrote on how to remove the cd tray from my AIWA NSX-V70
stereo.
It was suggested that I remove the lip from the front of the tray and then
slide the tray back into the stereo and lift out. Having finally had time

Has anyone seen my RCA P52750wk projection TV? I left it outside my
apartment building at about 8:00 pm the other night. I was only gone
about 15 minutes to answer nature's call, but when I returned some
miserable bugger had stolen it. The TV is about 10 years old, and the

Anyone know where I can find an AC Adapter for an old Infocus Model
2600 LCD panel projector? I contacted the original manufacturers of
the adaptors who are in CA. But they want $150 for one. I purchased
the projector on e-Bay for $50, so I don't want o pay more for the

Hi..
Where can i find spareparts for my HP jornada computer?
I need the fluorescent lamp that's in the display.
Now i have a red light from it, and probably that will be black

Picked up an Awai NSX-3500 at a yard sale for $5.00 because the lady
said CD player doesn't work. So I though, not bad if I can fix it.
After taking it apart and checking on the internet, it seems Awai had
quite a few lawsuits due to their CD player's being faulty and not