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

  • From: peggs <peggs@xxxxxxxxxxxxxx>
  • To: techassist@xxxxxxxxxxxxx
  • Date: Mon, 22 Jul 2002 08:46:54 -0500

use a toothbrush in the area as well,if possible(no toothpaste needed)

Peggs


At 09:18 AM 7/22/02 -0400, you wrote:
>
>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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Peggs' Electronics
1519 West 2nd Street
Owensboro,KY 42301
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