Electronics Forum / Repair / September 2006

I have a Sharp color TV model 13K m100 but no remote.  "universal
remotes" won't get me into the menu. As I want to reprogram the channels
I get going up and down and to change it from cable to off air.  Are
there any internal jumpers I can jump to access the menu?  Or is there a ...

I am looking for case parts for a HP 970a probe multimeter (1974):
http://www.decodesystems.com/hp970a-cq-oct73.html
I am in need of case shell and battery (all plastic parts).
Also I am interested if you have a non working unit to sell for parts.

So i got a new dryer, my old one just up and quit, its 3 years old and
the heat stopped working, i made sure my pilot was on in my furnace,
and reset the breaker for the dryer, lint trap was cleaned and duct was
clear. so i didnt want to take the chance to spend 200 $ to get it

I know nothing about electronics but have recently run into problems
with my karaoke mic (much like the ones at
http://www.uskaraoke.com/products/onstage2.htm).
Basically, the unit does not power on at all, using batteries or the

Hi, here is what happened. TV was turned off properly in afternoon.
When I try to turn on in evening, only hear normal sound from TV been
turned on or off, no picture, no sound.
Any idea what's wrong, or which part I should check?

I found a MW oven in the street a few weeks ago and brought it home
thinking it either works or I'll tear it open and salvage the magnets.
It seemed dead, but yesterday I opened it up and the fuse tested dead
(250v, 15amp). I had a 125v 15 amp fuse and putting it in, the oven

I know it's illegal to use an amplifier on a CB radio.  I am just
trying to find out this information.
CB is the 11 meter band.  With amplifiers being illegal to use on a
CB, it seems that advertising and selling 11 meter amplifiers could

Ok. so this is playing DVD's and reading CD's and all but all of a
sudden will not burn with Nero or any other program. My secondary wont
burn as I have set it to slave (which I will set to master in a few
seconds) but, how do I fix the Master? It sounds like it is trying to

2 or 3 year old 32inch sharp flat screen crt set . it turns on , screen
is dark . When i turn it off i see a white flash at the top of the
screen It repeats this each time i turn it on & back off  . Turning the
screen up on the flyback does not bring up a screen .

My Toshiba 36A43 built in 2003 doesn't power up.There was a power
outage here,but turned the main breaker off till power came on.But
there must have been a power surge after.Tv came on,then went off by
itself,then on then off for good.Tried different outlet,and checked

I have a Tektronix TDS210 that powers up, the bakclight and the display seem
to work, but I dont get anything on the display. I got this from work and it
was given to me because it is said to be unecconomical to repair. The
calibration place said it needs a new board (I assume ...

I just replaced a the failed (shorting) HV Splitter / Focus Combo block
in my LXI RPTV.  The original was a Sanyo 220493-3 and I replaced it
with the 4835 310 57402 HV/FOCUS COMBO BLOCK KIT.
After replacement the TV makes a buz (seems to come from the three

I have an old set of AR5's from 1969.  One of the
speakers makes a raspy/distorted noise on playback of hi frequency
sounds.  I have noticed that at the base of the paper cone there is a
connective seal, like glue.  On the tweeter in question there are some

On higher humidity days I get a very loud hum on the bottom end of the am
band on the radio in my garage caused by the overhead fluorescent lighting.
Is this from the tube or the ballast? On less humid days the hum is still
there but not overpowering.

Ihave the Hp 21000 laser printer nor feeding from the tray. The orange
light is always on . But when I put the paper manually then the normal
green light turns on and I can print. It does not seem to locate the
tray .