[TechAssist] RCA/ Proscan PS27152 , CTC169CE5 tried to power up, audible thump-thump. Sound module shorting?

  • From: Phil Bader <tjanphyl@xxxxxxxxxxxxxxx>
  • To: "techassist@xxxxxxxxxxxxx" <techassist@xxxxxxxxxxxxx>
  • Date: Wed, 12 Jan 2005 14:34:53 -0500

I push power and there's a loud "thump" from the speaker(s) . I know 
that upright mounted sound board can have one or both audio output ICs 
shorting and stop the set from running. (I did measure CR4118 and had 
about +14VDC, so OK).
Question: is there a simple way to temporarly "isolate" the sound board 
for testing the set other than completely removing it or the two 
outputs? A certain plug assy removal?
Phil Bader

-- 

Philip Bader
Jan Phyl TV Inc. (estab. 1976)
3420 Recker Hwy. Winter Haven, Fl. 33880
Fax (863) 299-8821
email: tjanphyl@xxxxxxxxxxxxxxx



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