[TechAssist] Re: CTC177BF will not turn on
- From: <tvservice@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 20 Nov 2003 08:30:51 -0600
Replace the EEPROM
Robert
tvservice@xxxxxxxxxxxxx
H & H Electronics Inc
Dallas, TX
----- Original Message -----
From: "Paul" <dntwntv@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
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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