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

  • From: "wilfred blakey" <wblakey@xxxxxxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Sun, 21 Jul 2002 16:00:30 -0400

What an original problem to find in a set. Was it a grey one or a brown or
white mouse? Is that mouse not house trained? I would not like a non house
trained mouse living in my living quarters! At least we can laugh about our
misshappenings or I hope so.
Have a good time and much profit.
Wilf Blakey
Blakey TV,Kirkland Lake,Ont
wblakey@xxxxxxxxxxxxxxxx

----- Original Message -----
From: "Gary McCartney" <number63@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: 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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