RCA CTC177

- V
- Vince
  
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posted
17 years ago

Fri, Mar 23, 2007 2:10 AM

Hi! All th channels are fine up to and including 32 then nothing until you get to 51, I did the solder job but it did no good. Any ideas. Thanks Vince

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- hrhofmann
  
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posted
17 years ago

Fri, Mar 23, 2007 2:43 AM

Are you using cable or on the air signals to test?

H. R.(Bob) Hofmann

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- radiotech
  
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posted
17 years ago

Fri, Mar 23, 2007 1:53 PM

I thought that problem sounded like something I had run into before. I went back to my old fixfindr program & came up with this, measured 15V at U7501 pin 14, but 0.34 at CR7108. R7514 checked good in circuit,but the 15V drop was across it. bridging another 100K across R7514 restored normal voltage at CR7108& normal tuning Hope this helps C harles

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- Tom Del Rosso
  
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posted
17 years ago

Sat, Mar 24, 2007 5:01 AM

Why not the common problem of corrupted EEPROM?

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