[TechAssist] Re: CTC177BF will not turn on
- From: "Phillip R. Hull" <phil245@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 20 Nov 2003 12:54:04 -0500
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" <dntwntv@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
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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