[TechAssist] Re: RCA G35772AT CTC187CL DEAD

  • From: "Bob@Bobs tv" <woodman1@xxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Wed, 22 Sep 2004 16:26:48 -0400

Then it could be the Eprom, like other post I just saw..Worth a try...
Bob,

Bobs TV   Worcester, ma

woodman1@xxxxxxxx

Main  508-853-1482
Fax    508-853-1480
----- Original Message ----- 
From: "Larry E" <videotech@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, September 22, 2004 4:08 PM
Subject: [TechAssist] Re: RCA G35772AT CTC187CL DEAD


> Bob, Thanks for the reply, pulled one leg and it is 1.58 meg, has zero
volts on
> the pin
> 4 side and165v on the other side, Larry
>
> "Bob@Bobs tv" wrote:
>
> > Larry,
> >          Remove and test  R4104 off pin #4 of the regulator, I believe
its
> > 1.5 megs..
> > Bob,
> >
> > Bobs TV   Worcester, ma
> >
> > woodman1@xxxxxxxx
> >
> > Main  508-853-1482
> > Fax    508-853-1480
> > ----- Original Message -----
> > From: "Larry E" <videotech@xxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Wednesday, September 22, 2004 3:24 PM
> > Subject: [TechAssist] RCA G35772AT CTC187CL DEAD
> >
> > > Hi Guys, this 187CL is stone dead, no click from relay, HOT is good,
> > > have 160 v on collector
> > > in standby, resoldered H- driver transformer and the coil, C4107 is
> > > good, found a bad
> > > C4105 10uf @ 200 replaced it with no change, I need to know if the
> > > voltages are correct
> > > on U4101 as I don`t have the schematic, they are
> > > Pin 1=  -40
> > > 2= -33
> > > 4= 0
> > > 5=  .9
> > > 6= .9
> > > 7= .4
> > > 8&9 = 0
> > > 11&12 = 165  thanks in advance, Larry E
> > > Larry Eastman
> > > American TV & Electronics
> > > Crystal River, Fl. 34428
> > >
> > >
> >
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