[TechAssist] Re: RCA Chipper Checker, first time user, help please

From: Gary McCartney <number63@xxxxxxxxxxxxx>
To: techassist@xxxxxxxxxxxxx
Date: Mon, 22 Jul 2002 09:18:15 -0400

Ok, thats a good thought. So if I take a can of "flux off" or similar
cleaner and spray it under all the components, will that desolve any pee
residue left? I already did that in the power supply area but probably
not over in the cpu and audio /video areas where it wasn't showing much.



Gary McCartney

McCartney Electronics
7134 Fife Rd, RR 7
Guelph Ontario Canada N1H 6J4
Fax: (519)821-1530
email: number63 (at) inetsonic.com






al m wrote:
> 
> Gary, make sure you get all the pee out I had a TV that the cat peed in and
> there was pee under a diode adding resistance to the circuit.Drove me around
> in circles to find where the extra resistance was coming from alas it was
> the cat pee under the diode cleaning it restored operation.
> al marquardt
> ampm@xxxxxxx
> 
> ----- Original Message -----
> From: "Gary McCartney" <number63@xxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Monday, July 22, 2002 2:03 AM
> Subject: [TechAssist] Re: RCA Chipper Checker, first time user, help please
> 
> >
> > Thanks Al.
> >
> > All mechanical checks out fine, at least to the eye. Traces aren't
> > corroded. A few of the IC's legs were but I've replaced them, except
> > U1600 which I have on order now. This set was in another shop before I
> > got it, because it was supposed to be covered under warranty but when it
> > was determined the mouses were at it, they rejected the warranty claim.
> > So I can see the other technician had done a fair amount of parts
> > replacement in the power supply area, but not sure if he reinstalled all
> > of the original parts or left some new ones in.
> >
> >
> >
> > Gary McCartney
> >
> > McCartney Electronics
> > 7134 Fife Rd, RR 7
> > Guelph Ontario Canada N1H 6J4
> > Fax: (519)821-1530
> > email: number63 (at) inetsonic.com
> >
> >
> >
> >
> >
> > al wrote:
> > >
> > > Gary and all,
> > >      I think mouse pee is not on the list of chipper checker uses.Is it
> > > possible so many traces are rotted or cross corroded,that mechanical
> repair
> > > has to be done before using Chipper check.  al
> > >
> > > Al Leatherman
> > > alleathe@xxxxxxxxxxxxx
> > > 973-361-5796
> > > Mine Hill, NJ. 07803
> > > http://WWW.ALS-TV.NET
> > > ----- Original Message -----
> > > From: "Gary McCartney" <number63@xxxxxxxxxxxxx>
> > > To: <techassist@xxxxxxxxxxxxx>
> > > Sent: Saturday, July 20, 2002 6:34 PM
> > > Subject: [TechAssist] RCA Chipper Checker, first time user, help please
> > >
> > > >
> > > > I have my new Chipper Checker connected to a CTC178L projection set.
> The
> > > > set is dead because some mouses pee'd on the chassis (I mentioned this
> > > > set a few months ago in case anyone remembers, but I only work on it
> > > > when I'm caught up with customers items- it belongs to my buddy who is
> > > > very patient).
> > > >
> > > > I installed the new eeprom and microprocessor kit before I got the
> > > > Chipper Checker.
> > > > Now with the Chipper Checker connected, I get error code 136, TVB
> (tone/
> > > > volume/ balance) which means U1503 is not communicating with the
> > > > micrprocessor. Does this mean that U1503 or associated circuit is bad?
> > > > I do have U1600 removed from the circuit (stereo decoder IC) so why
> > > > doesn't Chipper Checker come up with error code 128 (no communication
> > > > from U1600) ?
> > > > How accurate is this Chipper Checker at determining faults?
> > > >
> > > >
> > > > The basic problem with the set is that when remote power button is
> > > > pressed, I get 3 chirps, then nothing. During these chirps, I get 120
> V
> > > > pulses B+ on the main 135V line, and I get a nice looking horizontal
> > > > output waveform on the HOT collector. I have the flyback lead to the
> HV
> > > > splitter disconnected. I removed U1600 because of corrosion on the
> pins.
> > > > Replaced micro and eeprom because pins were corroded and thought that
> > > > could be the problem with set not starting. I also have CRT boards
> > > > unplugged from the tubes.
> > > >
> > > >
> > > > Thanks for any help.
> > > > --
> > > >
> > > >
> > > >
> > > > Gary McCartney
> > > >
> > > > McCartney Electronics
> > > > 7134 Fife Rd, RR 7
> > > > Guelph Ontario Canada N1H 6J4
> > > > Fax: (519)821-1530
> > > > email: number63 (at) inetsonic.com
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Follow-Ups:
- [TechAssist] Re: RCA Chipper Checker, first time user, help please
  - From: peggs

References:
- [TechAssist] RCA Chipper Checker, first time user, help please
  - From: Gary McCartney
- [TechAssist] Re: RCA Chipper Checker, first time user, help please
  - From: al
- [TechAssist] Re: RCA Chipper Checker, first time user, help please
  - From: Gary McCartney
- [TechAssist] Re: RCA Chipper Checker, first time user, help please
  - From: al m

[TechAssist] Re: RCA Chipper Checker, first time user, help please

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