[TechAssist] Re: RCA G35772AT CTC187CL DEAD
- From: Larry E <videotech@xxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Wed, 22 Sep 2004 18:15:27 -0400
Robert, I wish I did have one, don`t even have a junker set to pull one from,
I`m going
to try and buy a pre-programmed one from somewhere because I don`t have the
schematic to load the parameters.
Larry Eastman
American TV & Electronics
Crystal River, Fl. 34428
tvservice wrote:
> Larry,
> do you have a eeprom from another ctc187 with 32-35 inch crt?
> if so try subbing as a test
> Robert
> tvservice@xxxxxxxxxxxxx
> H & H Electronics Inc
>
> ----- Original Message -----
> From: "Larry E" <videotech@xxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Wednesday, September 22, 2004 4:46 PM
> Subject: [TechAssist] Re: RCA G35772AT CTC187CL DEAD
>
> > Robert, Thanks for the info, I`ll order one tomorrow and see what happens
> > Thanks again, Larry E
> >
> > Larry Eastman
> > American TV & Electronics
> > Crystal River, Fl. 34428
> >
> > tvservice wrote:
> >
> > > The 5 volts is applied at pin 8 thru the ic to pins 5 and 6
> > > If zero on pin 6 of the eeprom unsoldered replace eeprom
> > > Robert
> > > tvservice@xxxxxxxxxxxxx
> > > H & H Electronics Inc
> > >
> > > ----- Original Message -----
> > > From: "Larry E" <videotech@xxxxxxxxxxxx>
> > > To: <techassist@xxxxxxxxxxxxx>
> > > Sent: Wednesday, September 22, 2004 3:25 PM
> > > Subject: [TechAssist] Re: RCA G35772AT CTC187CL DEAD
> > >
> > > > Robert, have 4.58 on pins 5&8, zero volts on pin 6, unsoldered pin 6
> and
> > > still
> > > > have zero
> > > > volts, I`m assuming this is clock/data lines? can you tell me the
> source
> > > of the
> > > > 5v line to pin 6?
> > > > Thanks in advance, Larry E
> > > >
> > > > Larry Eastman
> > > > American TV & Electronics
> > > > Crystal River, Fl. 34428
> > > >
> > > > tvservice wrote:
> > > >
> > > > > Check for +5 volts on the eeprom u3102 pins 8,5 and 6
> > > > > if 5 and/or 6 low change eeprom
> > > > > Robert
> > > > > tvservice@xxxxxxxxxxxxx
> > > > > H & H Electronics Inc
> > > > >
> > > > > ----- Original Message -----
> > > > > From: "Larry E" <videotech@xxxxxxxxxxxx>
> > > > > To: <techassist@xxxxxxxxxxxxx>
> > > > > Sent: Wednesday, September 22, 2004 2:24 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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