[TechAssist] Re: RCA G35772AT CTC187CL DEAD
- From: Larry E <videotech@xxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Thu, 23 Sep 2004 08:49:15 -0400
Al, thanks for the offer but I don`t have one, Max is going to send me
an eprom from a junker set, Larry
Larry Eastman
American TV & Electronics
Crystal River, Fl. 34428
Al Gutz wrote:
> If you have a eeprom programmer I can send you the file.
>
> When you put in new eeprom and start the set then put the old one back
> in and record all the parameters, then put the new eeprom back in and
> enter the parameters into it.
>
> Al G.
> Larry E wrote:
> > 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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