[TechAssist] Re: RCA M#D52w19 Chassis ITC222 Shuts down, tries 3 times

  • From: "Mouton's Electronics" <moutons@xxxxxxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Thu, 26 Feb 2004 11:54:58 -0600

Wayne,

Just realised I may have not been clear, I not only mean the crts are
disconnected, I mean that because the output boards are burnt they are not
in circuit also. Have you tried to run one with them out of circuit?

Jason
Mouton's Electronics


----- Original Message ----- 
From: "Wayne Vanaman" <Wayne@xxxxxxxxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, February 26, 2004 10:47 AM
Subject: [TechAssist] Re: RCA M#D52w19 Chassis ITC222 Shuts down, tries 3
times


> My expierence:
>
> The set should power up with the CRTs disconnected.
>
> Disconnect the H & V yokes
> Disconnect BW001 & BW002
> Disconnect BA010 (audio)
> Disconnect BP611 to convergence PS.
>
> If the set powers up reconnect one at a time trying to turn on the set,
and
> troubleshoot that circuit that caused the shutdown.
> If the set will not power up when these are disconnected the trouble is on
> the small signal board.
>
> I derived this from the Circuit Overview document, page 5-8.  When I
called
> the teck line and told them what I did they said that was what they were
> going to suggest.
>
> The small signal board is part number 264120.  Part not available.  I
> ordered my first one last year, it still isn't here.
>
> Direct the customer to RCA customer relations.  :-)
>
>
> Wayne Vanaman
> Omega Electronics
> 6904 W Fairfield Dr
> Pensacola, Fl.  32506-3310
>
> Wayne@xxxxxxxxxxxxxxxxxxxxx
> WWW.PensacolaTVRepair.Com
>
> 850-456-5995 voice
> 850-458-6369 fax
>
>
> ----- Original Message ----- 
> From: "Mouton's Electronics" <moutons@xxxxxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Thursday, February 26, 2004 10:03 AM
> Subject: [TechAssist] RCA M#D52w19 Chassis ITC222 Shuts down, tries 3
times
>
>
> > Hi everyone
> > This set has a leaky red CRT and somehow leaked on the Red Drive board
and
> the Blue Drive board. Both have burn marks on them and I disconnected both
> boards leaving just the green. My question is can this chassis operate
with
> just the green board connected or with out any of them connected?  I have
> tried both ways and the set starts up then shuts down, it retries 3 time.
> >
> > Another problem, someone suggested changing the small signal board.
First
> I would like to check the error codes but I can't find the service
connector
> to connect chipper checker. Chipper lists this chassis as one it will
> communicate with but doesn't tell you a thing about where to connect it,
it
> only tells what interface to use to connect to the chassis and I haven't
> found a similar plug anywhere. How are we suppose to download the eeproms
> and reload into another ssb? Guess we are expected to realign the whole
> chassis, that's another whole day.
> >
> > Also, there is no trouble shooting procedure on the thomsonnetwork for
> this chassis so if anyone has a trouble shooting procedure to determine if
> the SSB is at fault please forward it to me. I have never changed this
> module before and don't want to spend $300 for a new one, change the CRT,
> and 2 crt drive boards and still have a problem.
> >
> > Jason
> > Moutons Electronics
> >
> >
> >
>
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