[TechAssist] RCA P46729ba, ch.#ptk169ca, arcing anode to bracket

  • From: Carol Rundle <brundle@xxxxxxxxxxxxx>
  • To: techassist@xxxxxxxxxxxxx
  • Date: Wed, 29 Jun 2005 17:27:08 -0700 (PDT)

  Customer said it shut down,   only  click at power on.  Replaced shorted 
H.O.xistor, c4402,  horiz. dr. cap., checked and replaced  2.2, 15, 39, 470 
cap's in chopper/  Reg. circuit. Looked for coolant leaks, none visible. 
Checked all standby voltages , all, right on...
  At  power on, Arcing at Blue anode cup,  with in seconds blue came on. 
Removed crt  found pin hole in anode cup and few drops of  coolant.    
Question?,  best method of cleaning & sealing?  i'm using  40k hv lead off a 
Mits. 35".   Repaired my share of  169 chassis', a few  with anode problem's... 
 Any tips appreciated. Thank you.
   
  Bill
  Bill's TV
   Sonora,Cal.
    

Carol Rundle
brundle@xxxxxxxxxxxxx
 


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