[TechAssist] Re: Sony KV32S25, No HV, low growl from speakers, FIX

  • From: gulftech@xxxxxxxx
  • To: techassist@xxxxxxxxxxxxx
  • Date: Sun, 21 Nov 2004 15:05:16 -0600

Kevin,

I listed both the generic and Sony part numbers for IC641.  Should have
also said it is a 9-volt regulator with five pins.  I should have checked
that long ago, because I have had that part fail in several other sets
and stock the part.

HTH,


Ken Smith
Gulf Technical Services
3034 Gulf Breeze Parkway
Gulf Breeze, FL  32563
850-934-8324 (Voice), 850-932-0819 (fax)

On Sat, 20 Nov 2004 16:11:17 -0800 Kevin <kevintv@xxxxxxx> writes:
> What is IC641?  
> 
> Kevin Wilks
> Kevin's TV & Video Repair
> Penticton BC Canada
> kevintv@xxxxxxx 
>  
> 
> -----Original Message-----
> From: techassist-bounce@xxxxxxxxxxxxx
> [mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of 
> gulftech@xxxxxxxx
> Sent: Saturday, November 20, 2004 1:26 PM
> To: techassist@xxxxxxxxxxxxx
> Subject: [TechAssist] Sony KV32S25, No HV, low growl from speakers, 
> FIX
> 
> Friends,
> 
> This set was left at my door (given to me) over two months ago.  Set
> would click when powered on, but no high voltage and only a 
> low-pitched
> growl from the speakers.  I replaced the flyback (since I had one).  
> No
> change.  At the suggestion of Wayne Vanaman from Omega Electronics, 
> I
> replaced IC641, SI3090, 874992058, on the power supply pcb.  Took 
> care
> of
> the problem.  Set is now for sale!
> 
> Thanks, Wayne.
> 
> 
> Ken Smith
> Gulf Technical Services
> 3034 Gulf Breeze Parkway
> Gulf Breeze, FL  32563
> 850-934-8324 (Voice), 850-932-0819 (fax)
> 
>
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