[TechAssist] Sony receiver Model# STR-AV770X

  • From: "Junior E Hurdle" <jselectronics@xxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Fri, 2 Nov 2001 01:47:48 -0400

Hi techs,
this receiver is displaying "PROTECTOR" when i apply power. I have found broken 
print on the transformer pcb, cold solder joints in the tuner circuit and I 
have also
checked the outputs , but cant seem to figure out why the relays are not 
closing.
I do not have a scametic for this set. Any ideas as to what the problem is?
Thanks in advance.
Junior.
 

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