[TechAssist] Re: Chipper Check King
- From: "becyn" <becyn@xxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 24 Sep 2004 14:08:28 -0400
HUH?
What's the amplitude of the primary pulses?
Also, the two ground reference are different.
Use the secondary zener anode as the secondary ref.
Are you sure the rect and cap are good?
Otherwise, it doesn't make sense.
There is something wrong with this picture! :-o
Jim McVey
McVey Alltronix
327 Broadway
Newburgh N.Y. 12550
Factory authorized
service for over 20
major brands.
845 561 8383
----- Original Message -----
From: "al m" <ampm@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, September 24, 2004 1:35 PM
Subject: [TechAssist] Re: Chipper Check King
> Yep but I disconnected everything to the rectifier and still no 5V. The
> pulses are on the primary and I changed the transformer. I'm stumped.
> Al Marquardt
> ampm@xxxxxxx
> Al Marquardt Electronic Repair
> 206 W Main
> Girardville Pa. 17935
> ----- Original Message -----
> From: "becyn" <becyn@xxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Friday, September 24, 2004 12:37 PM
> Subject: [TechAssist] Re: Chipper Check King
>
>
> > Are you referring to the "isolation supply on the PCB?
> > If so, it's probably the output transistor on the primary.
> > check for pulses on the OTHER side of the base resistor. If they exist,
> > the
> > output is bad(maybe open?)..
> >
> > The CC king, AKA
> > Jim McVey
> > McVey Alltronix
> > 327 Broadway
> > Newburgh N.Y. 12550
> >
> > Factory authorized
> > service for over 20
> > major brands.
> > 845 561 8383
> > ----- Original Message -----
> > From: "al m" <ampm@xxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Friday, September 24, 2004 12:25 PM
> > Subject: [TechAssist] Re: Chipper Check King
> >
> >
> >> Well King I have one that has no 5V on the secondary side of the
> >> transformer. What's the magic word to fix it. Can find nothing shorted
or
> >> wrong with any of the parts.
> >> Al Marquardt
> >> ampm@xxxxxxx
> >> Al Marquardt Electronic Repair
> >> 206 W Main
> >> Girardville Pa. 17935
> >> ----- Original Message -----
> >> From: "becyn" <becyn@xxxxxxxxxx>
> >> To: <techassist@xxxxxxxxxxxxx>
> >> Sent: Friday, September 24, 2004 10:57 AM
> >> Subject: [TechAssist] Chipper Check King
> >>
> >>
> >> > Yes, It's true! I am the self proclaimed "King of chipper check
> > repair.;-)
> >> > After someone in the shop (no one is claiming responsibility) did god
> >> > knows what to the CC interface, I have brought it back to life. It
had
> >> > failed every diagnostic when I first discovered this sorry mess .
Now,
> > not
> >> > only is it repaired, but it is updated to rev 1.2.
> >> >
> >> > Why am I so happy? I called RCA when the problem was first discovered
> > and
> >> > their advise was "buy a new one".
> >> > Well, my wallet screamed "NO WAY PAL!!!!!" so I had no choice but to
> > take
> >> > a deep breath and say "we're goin' in, men".
> >> > MISSION ACCOMPLISHED! I'm happy, my wallet is happy, I can now
> > interface
> >> > with that CTC197, so the customer will be happy too.
> >> >
> >> > I learned a bit about the thing along the way as well. If anyone has
> > dead
> >> > or dying CC's...I'm your man...
> >> >
> >> > Jim McVey
> >> > McVey Alltronix
> >> > 327 Broadway
> >> > Newburgh N.Y. 12550
> >> >
> >> > Factory authorized
> >> > service for over 20
> >> > major brands.
> >> > 845 561 8383
> >> >
> >> >
> >> >
> >>
>
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