[TechAssist] Re: sony kv32xbr55 no audio

  • From: gulftech@xxxxxxxx
  • To: techassist@xxxxxxxxxxxxx
  • Date: Mon, 6 Jun 2005 07:36:07 -0500

Bob,

Try this:

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Text pasted from WinSTIPS 2.0
http://www.ServiceSoftware.com
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SONY   KV27HSR10   

Audio Inop. Dolby Module Nla. Workaround (Remove Dolby Module):

From Apr. 03 Speaker / Page 3 / http://www.nesda-ohio.com/

Sony SBX1593-01 Bypass

From Apr. 03 Speaker 
Page 3 

OK, Maybe "Silence" is too harsh... It could be "Garbled", or "Noisy", or
"Distorted", or "Static", but what is ISN'T is "NORMAL". We've
encountered these symptoms before in other Sony's that use the Infamous
SBX1637 Sound package. We've even come to love those SBX's as they have
allowed us to put our kids through college from the income they generate.
Unfortunately, there's Another SBX sound package that might cause similar
symptoms, and IT has been decreed as NLA by Sony.

It's the SBX 1593-01 (Sony # 8-741-159-30). Wouldn't you just HATE to
have to trash a nice Sony TV because you can't get a part to fix a Sound
Problem? Well, one of our readers has come forth to tell you of a way to
bypass this circuit.

To bypass the module: Use two 4.7@50 capacitors and connect the (-) side
of one cap to pin 5 on the MTS module and the (+) side to pin 4 on the
DBX module.

Take the second cap and connect the (-) side to pin 6 on the MTS and the
(+) side to pin 5 on the DBX module. This should give you clean sound but
you may not have the fullness that the board would have given you."

Well, a "Lack of Fullness" is certainly better than a "Lack of Sound"
which is what the customer had before the bypass. Sometimes you just have
to be creative to get a Fix. We thank our readers for allowing us a
chance to get This One.


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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On Sun, 5 Jun 2005 22:14:28 -0400 (Eastern Daylight Time) "Robert Father"
<rfather@xxxxxxxxxxxx> writes:
> Hi Techs,
>     I have a sony  kvxbr55 that has no audio. Could someone send me 
> a
> schematic for this set. I need to bypass the sbx1593-01 module. I am 
> not
> sure how to do it or which components to jumper. Thanks in advance. 
> Any help
> will be appreciated.
> 
> Bob Father
> Electronics Specialist Inc.
> Albany, New York 12309
> rfather@xxxxxxxxxxxx
>
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