[TechAssist] Re: Randall Amp

Yes it uses the op amp's,  I've got a couple in my fender  parts bin,  I'll
change em and see what happens, was going to do that this morn if no-one
stuck there neck out.  I'll let you know what I find so you can update your
mind or database.
brock

----- Original Message -----
From: <cctv-vcr@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, October 30, 2002 4:08 PM
Subject: [TechAssist] Re: Randall Amp


>
> Brock,
>   If this model uses opamps in the preamp they would be first suspect.
Does the
> resistor supply voltage to one? If the supply for the opamps is bipolar,
the
> inputs & outputs should be at about 0V,  If it's single supply, the in's &
> out's should be at 1/2 VCC, anything else, they're bad.
> --
> Carson City TV-VCR
> 2164 E Hwy 50
> Carson City, NV 89701
> 775-887-9089   fax 775 887-1067
> >
> >  model RG100,  no print here,  channel 1 dead,  #2 is ok,  100 ohm R in
> > center of board was burnt but nothing found for a cause.  anyone have a
> > number for Randel or an idea as to why Channel 1 is dead and 2 is ok,
foot
> > switch, wiring are ok.   I'm lost
> > thanks
> > brock
> > Brock Electronics
> > R.R.4 box 237
> > 5208  cr.3385
> > Independence Ks. 67301
> > 620-331-0235
> > fax  331-7191
> >
> > brock@xxxxxxx
> > mailto:brock@xxxxxxx
> >
> >
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