[TechAssist] Re: RCA F27671SE, CTC177BF, dead, no ground to eeprom.

  • From: "John Conti" <contitv@xxxxxxxxxxx>
  • To: techassist@xxxxxxxxxxxxx
  • Date: Thu, 15 Sep 2005 20:46:27 -0500

Kevin Looking at the sche. U3201 the ee-prom show pins 1234,7 to be cold 
ground and marked D which indicates (conection point via a wirewrap stake. 
The base of the horz. output also cold ground  marked "B" Indicating cold 
ground.

John
Conti,sTV
Texas
>From: Kevin's TV Repair <kevintv@xxxxxxx>
>Reply-To: techassist@xxxxxxxxxxxxx
>To: techassist@xxxxxxxxxxxxx
>Subject: [TechAssist] RCA F27671SE, CTC177BF, dead, no ground to eeprom.
>Date: Thu, 15 Sep 2005 18:22:09 -0700
>
>This set has a very unusual fault.  I went to measure the voltage on
>pins 5 and 6 of the eeprom and found that pin 6 has a varying voltage
>from 2-5 volts. I then accidentally measured the voltage at pin 4 (which
>is ground) and it measured the same.  I then discovered that there was
>no connection between the base of the HOT (which is ground) and the
>tuner shield, eeprom ground.  Does anyone know where the two sides
>connect?  I could just run a wire, but I would like to find the missing
>link.  Thanks.
>
>Kevin Wilks
>Kevin's TV Repair
>Penticton BC Canada
>kevintv@xxxxxxx
>
>
>
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