Electronics Forum / Repair / January 2005

i am looking for the cross reference of this hp parts : 1853-0354
chris
thank you

I bought an ALinco DR 590 dual band amature radio at a hamfest. It is a
mobile. Got it home, hooked it up, everything on the display lit up. I
mean everything, even things that were not supposed to. The frequency
number has stange lines in it. It was not usable.

I'm working on a Tektronix 7D20 digital oscilloscope plug in that
fails the power on self test.  It displays errors 6531 6532 65321.
After the self test it appears to work.  I've already tried it in two
scopes with no change.  Does anyone know what these errors mean?  

Model AV-27230
Stuck on channel 2, lock icon displays.  How are the channels unlocked ?
(not my set, owner messing around with universal remote control and
inadvertantly locked the channel selection feature).

I've Googled this problem to death without success, so I'm hoping someone
here will be kind enough to please point me in the right direction.
I work at a small company that uses the UHF Radius M1225 in its Ford
vehicles powered by the Powerstroke diesel.

Sharp television 54GT25S.
When tv is turned on the tv makes a low wheeze (not from the speaker).
Nothing happens no picture, no sound. Only the power led lights verry weak.
What could be wrong, which component could be defective.

I have a Radeon 8500 video card that's about 3 years old.
A couple of the larger capacitors are bulging and have a slight yellow
discharge.
How risky is it to continue using the thing?  It has a massive heatsink that

Working on an early 70's "Made in Japan" combination stereo by Brother
International.  Model number on the rear jack panel states "Model
BR-3".  Has top-mounted standard BSR record changer and AM/FM stereo
tuner/8-track control also top-mounted.  It rather looks like one of

Hi group.
Got one of these that is just out of warranty and the shutter has
stuck.
Helpfully, the manufacturers have seen fit to glue the case shut (!)

could anyone please help me? my reciever was working then stopped. w
replaced a fuse , it will turn on but after 5 seconds it starts t
power off by its self .any suggestions
--

I need the value of R843 it's burn and i can't read the value
thank's
ss

Thank you Art, but Panasonic is asking$518 which I think is nuts
Art Wrote:

I have an old Marantz PM310 amplifier with all 3 rotary knobs shot, the
volume, balance and the 3 position click switch.
The vol/bal both have the usual 'microphone swung in the wind' sound of
crackling and rustling when you turn them and the 3 position switch has one

Thanks kindly for all of the replies to my previous question. I've read
twice through each reply - some will take another run-through tomorrow to
really absorb, since I do want to understand it all completely :)
But, I just did an experiment which tells me that the PS is probably ...

I am so confused about how to properly ground a system. I will have a
two meter and a 440 on the roof of my house. I will run the coax down
to my sofit vents or whatever they are called and run the coax inside
the vents to my shack. Behind the wall where my rquipment will be is a