[TechAssist] Re: CTC177BF will not turn on
- From: "Phillip R. Hull" <phil245@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 20 Nov 2003 17:30:19 -0500
What are you using for a schematic, I don't show pin 15 and 16 as data and
clock on the micro flitch I have?
Phillip R Hull STET
phil245@xxxxxxxxxxxxx
FAX 517--569-3075
Professional Technicians only
----- Original Message -----
From: "Paul" <dntwntv@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, November 20, 2003 2:00 PM
Subject: [TechAssist] Re: CTC177BF will not turn on
> Phil, pin 1 is the reset and I have 5v there. Pin 15 & 16 are clock and
data lines from the micro to the T-chip,the eeprom, the pip i/c and the
tuner. Paul
> "Phillip R. Hull" <phil245@xxxxxxxxxxxxx> wrote:Do you have 5v reset at
pin 2 of micro?? I show pin 15 and 16 as OSD
> pins
> Phillip R Hull STET
> phil245@xxxxxxxxxxxxx
> FAX 517--569-3075
> Professional Technicians only
> ----- Original Message -----
> From: "Paul"
> To:
> Sent: Thursday, November 20, 2003 12:29 PM
> Subject: [TechAssist] Re: CTC177BF will not turn on
>
>
> > The eeprom was replaced twice. Paul
> > tvservice@xxxxxxxxxxxxx wrote:Replace the EEPROM
> > Robert
> > tvservice@xxxxxxxxxxxxx
> > H & H Electronics Inc
> > Dallas, TX
> >
> > ----- Original Message -----
> > From: "Paul"
> > To:
> > Sent: Wednesday, November 19, 2003 8:02 PM
> > Subject: [TechAssist] CTC177BF will not turn on
> >
> >
> > > I can not get this set to turn on either manually or with the remote.
I
> > have changed the eeprom, have done the tuner wrap,have replaced U3101
and
> > U1001. I have 5v, 7v &12v std. bys as well as 140v. I have monitored pin
> > 5&6 of U3101 and get no wave form when activating the power button. Have
> > checked a ctc175 working chassis and know there should be waveform
> activity
> > at those pins. Of course no horiz out of the T chip. I have checked
> > continuity to the power button. The clock and data lines look like there
> is
> > activity however the voltages are lower than the schematic calls for.
The
> > 4.8v supply is about 3v on pin16 and 1.5v on pin 15. of U3101. Not sure
> what
> > else to check ? Paul
> > >
> > > Paul ,B
> > Central TV&Video
> > Grover Beach Ca.
> > >
> > >
> >
>
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> > Paul ,B
> Central TV&Video
> Grover Beach Ca.
> >
> >
>
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>
> Paul ,B
Central TV&Video
Grover Beach Ca.
>
>
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