[TechAssist] Sony kv32s45 blows R607 no power

  • From: Rochester Electronics <pasthecash@xxxxxxxxx>
  • To: techassist@xxxxxxxxxxxxx
  • Date: Thu, 31 Jan 2002 09:35:10 -0800 (PST)



> 
> Hi guys, 
> hope someone can help with this one.
> Sony KV-32S45, came in for no power up. found open R607
> on
> power supply (G Board) and didn't find anything els
> suspect.
> but changed the the regulator IC601 and the r607, removed
> vdr602 and checked out of circuit it seems to be ok.
> Checked the HOT in and out of circuit. checked d603 and
> d604. all seems ok.
> plug set in and imediatly blows R607. Thought i might
> have
> a bad regulator so i changed it again just because i had
> one. same problem.  With the power supply unplugged fron
> the rest of the set seems ok however i have no print.
> From
> cn641 all i get is the standby 5v but i bet that it needs
> a
> sygnal from the main board to set one of the relays. Not
> sure where to go from here. Heeeelllllpppp...
> 
> TIA
> 
> Mike
> 
> =====
>    Mike 
> Rochester Electronics
> 716-663-6870
> www.RochesterElectronicsRepair.com
> 


=====
   Mike 
Rochester Electronics
716-663-6870
www.RochesterElectronicsRepair.com

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