Peter, How do the SM caps measure for ESR on this board? I'll bet you they have gone bad just like in the SBX-1637 sound module. Kevin Wilks Kevin's TV and Video Repair Penticton BC Canada kevinstv@xxxxxxx ----- Original Message ----- From: "peter kowalik" <pe.kow@xxxxxxxxxxxx> To: <techassist@xxxxxxxxxxxxx> Sent: Thursday, October 10, 2002 10:15 PM Subject: [TechAssist] Re: Sony KV27HSR10 1989 model, loss of sound > > Hello all > There was a reply from Jeff the man with the Intrepid nature that mentioned > a repair from the Tech CD regarding the SRS module and garbled sound. We're > working on a 27XBR10 with distorted and garbled sound and have narrowed the > fault down to the SBX-1593-01 SRS module. It seems that it is no longer > available here and we were wondering if anyone might have stock? Customer > would like the set as the pix is very good but he is not quite ready to > initiate a second home theatre in his house (it's an option- get an all in > one DVD-home theatre stereo and consider the TV as a monitor) Hoping for > good news in the near future. Peter Kowalik pe.kow@xxxxxxxxxxxx Keith's > Stereo, Burlington ,Ont. > > ----- Original Message ----- > From: "jorge miret" <jorge_miret@xxxxxxxxx> > To: <techassist@xxxxxxxxxxxxx> > Sent: Thursday, October 10, 2002 8:46 AM > Subject: [TechAssist] Re: Sony KV27HSR10 1989 model, loss of sound > > > > > > Hello: > > I dont know if your model is similar to KV-27TR10 but > > I had a similar problem and in my case was R253 > > (27K-1/4W) open and it goes to pin# 1 of IC 201 > > (SI-4102). > > Give it a try. > > HTH, > > Jorge. > > --- Damon <DAMON101@xxxxxxxxxxxxxx> wrote: > > > > > > Update, special note about Audio monitor out AND > > > Variable audio output. > > > > > > I found that the AUDIO MONITOR OUTPUT comes from IC > > > 251 the stereo > > > demodulator IC, If that works you know the TV works > > > up to the stereo > > > demodulator, THE VARIABLE AUDIO OUTPUT LINE FEEDS > > > THE AUDIO AMPS, if those > > > jacks don't work, IC 251 is bad. > > > > > > > > > Then check.......well darn, looks like I left my > > > notes on the boss's table, > > > gotta order that part. Anyways audio input on the > > > AUDIO AMPS is PIN 1, MUTE > > > circuit is on PINS 2 and 4 (+ > > > voltage mutes it) and is provided by a parallel > > > muting source ( the mute > > > button on the remote and the speaker button on the > > > back) > > > > > > Damon Brunger > > > damon101@xxxxxxxxxxxxxx > > > Telrad Electronic Services > > > Ft Wayne, IN 46815 > > > > > > ----- Original Message ----- > > > From: "Damon" <DAMON101@xxxxxxxxxxxxxx> > > > To: <techassist@xxxxxxxxxxxxx> > > > Sent: Wednesday, October 09, 2002 7:51 AM > > > Subject: [TechAssist] Re: Sony KV27HSR10 1989 model, > > > loss of sound > > > > > > > > > > > > > > Yes it does, the plug at the back of the K board > > > will have 19 v for the > > > > audio outputs, the plug in closest to the rear of > > > the chassis under neath > > > > will have 3-4 pins nearest the rear with a lesser > > > voltage. I can hear the > > > > outputs actually hiss so I know the outputs are > > > ok, previous repairs to > > > this > > > > model seemed to always end up on the a/v switching > > > circuit located at the > > > > back board where the RCA input jacks are located. > > > Can't tell you which > > > IC's > > > > on the U-Board to test or order, but you can > > > isolate the problem to the > > > > switches if you get audio out of the Monitor out > > > or the Variable output > > > > jacks, AND you hear hissing from the Audio Amps, > > > also you may try using > > > the > > > > Inputs to see if that route produces results, > > > either way try to bring your > > > > schematics and scope with you.....Oh wait a > > > minute, you have a 27", you > > > > might be able to lift that into your truck. I have > > > old folks and a 32" TV > > > > with wings, easier for me to quick scope the unit > > > in the customer's home. > > > > Damon Brunger > > > > damon101@xxxxxxxxxxxxxx > > > > Telrad Electronic Services > > > > Ft Wayne, IN 46815 > > > > > > > > ----- Original Message ----- > > > > From: "kevinstv" <kevinstv@xxxxxxx> > > > > To: <techassist@xxxxxxxxxxxxx> > > > > Sent: Tuesday, October 08, 2002 10:28 PM > > > > Subject: [TechAssist] Re: Sony KV27HSR10 1989 > > > model, loss of sound > > > > > > > > > > > > > > > > > > > > > > > Damon, > > > > > > > > > > Does it have the stand-alone p/s that is > > > upright? > > > > > > > > > > Kevin Wilks > > > > > Kevin's TV and Video Repair > > > > > Penticton BC Canada > > > > > kevinstv@xxxxxxx > > > > > ----- Original Message ----- > > > > > From: "Damon" <DAMON101@xxxxxxxxxxxxxx> > > > > > To: <techassist@xxxxxxxxxxxxx> > > > > > Sent: Tuesday, October 08, 2002 7:33 PM > > > > > Subject: [TechAssist] Re: Sony KV27HSR10 1989 > > > model, loss of sound > > > > > > > > > > > > > > > > > > > > > > Just working on one of these units, except > > > it's a 32". Yes, it is > > > > similar > > > > > to > > > > > > the KV27xbr 15. No, the unit does not use the > > > sbx1637 module. Suspect > > > > the > > > > > > A/V switches on the U-Board, I'm presently > > > working to isolate this, > > > need > > > > a > > > > > > schematic to get thru the audio switch > > > circuitry. > > > > > > > > > > > > Damon Brunger > > > > > > damon101@xxxxxxxxxxxxxx > > > > > > > > > > > > ----- Original Message ----- > > > > > > From: "Peter oliver" > > > <oliver_peter1@xxxxxxxxxxx> > > > > > > To: <techassist@xxxxxxxxxxxxx> > > > > > > Sent: Tuesday, October 08, 2002 9:05 PM > > > > > > Subject: [TechAssist] Re: Sony KV27HSR10 1989 > > > model, loss of sound > > > > > > > > > > > > > > > > > > > > > > > > > > Too early for that module this set simmilar > > > to XBR common faults are > > > > the > > > > > > > regulators along the center heatsink develop > > > bad connections, also > > > > > > > Pincushion problems from bad coil. the > > > regulator connections cause a > > > > > mirid > > > > > > > of odd problems. > > > > > > > > > > > > > > Peter Oliver > > > > > > > Tucson Radio TV > > > > > > > > > > > > > > > > > > > > > From: kevinstv <kevinstv@xxxxxxx> > > > > > > > Reply-To: techassist@xxxxxxxxxxxxx > > > > > > > To: TECH-ASSIST <techassist@xxxxxxxxxxxxx> > > > > > > > Subject: [TechAssist] Sony KV27HSR10 1989 > > > model, loss of sound > > > > > > > Date: Tue, 08 Oct 2002 18:48:19 -0700 > > > > > > > > > > > > > > Sony KV27HSR10 1989 model, loss of sound > > > > > > > > > > > > > > Hi fellow techs, > > > > > > > > > > > > > > Does anyone know if this model of Sony has > > > the SBX-1637 sound > > > module? > > > > I > > > > > > > have to do a service call and it would be > > > helpful if I knew what to > > > > > > expect. > > > > > > > Thankyou. > > > > > > > > > > > > > > Kevin Wilks > > > > > > > Kevin's TV and Video Repair > > > > > > > Penticton BC Canada > > > > > > > kevinstv@xxxxxxx > > > > > > > > > > > > > > > > > > > > > ------------------------------------------ > > > > > > > To REMOVE your email address, click here: > > > > > > > http://www.tech-assist.org/unsubb.html > > > > > > > To CHANGE your email address, click here: > > > > > > > > > > http://www.techassist.net/forms/change.html > > > > > > > ------------------------------------------ > > > > > > > ***NEW*** Tips Added Instantly!!!*** > > > > > > > Submit Repair Tips here: > > > > > > > http://www.tech-assist.org/secure/tip/ > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > _________________________________________________________________ > > > > > > > Join the world's largest e-mail service with > > > MSN Hotmail. > > > > > > > http://www.hotmail.com > > > > > > > > > > > > > > ------------------------------------------ > > > > > > > To REMOVE your email address, click here: > > > > > > > http://www.tech-assist.org/unsubb.html > > > > > > > To CHANGE your email address, click here: > > > > > > > > > > http://www.techassist.net/forms/change.html > > > > > > > ------------------------------------------ > > > > > > > ***NEW*** Tips Added Instantly!!!*** > > > > > > > Submit Repair Tips here: > > > > > > > http://www.tech-assist.org/secure/tip/ > > > > > > > > > > > > > > > > > > > ------------------------------------------ > > > > > > To REMOVE your email address, click here: > > > > > > http://www.tech-assist.org/unsubb.html > > > > > > To CHANGE your email address, click here: > > > > > > http://www.techassist.net/forms/change.html > > > > > > ------------------------------------------ > > > > > > ***NEW*** Tips Added Instantly!!!*** > > > > > > Submit Repair Tips here: > > > > > > http://www.tech-assist.org/secure/tip/ > > > > > > > > > > ------------------------------------------ > > > > > To REMOVE your email address, click here: > > > > > http://www.tech-assist.org/unsubb.html > > > > > To CHANGE your email address, click here: > > > > > http://www.techassist.net/forms/change.html > > > > > ------------------------------------------ > > > > > ***NEW*** Tips Added Instantly!!!*** > > > > > Submit Repair Tips here: > > > > > http://www.tech-assist.org/secure/tip/ > > > > > > > > > > > > > > > > > > ------------------------------------------ > > > > To REMOVE your email address, click here: > > > > http://www.tech-assist.org/unsubb.html > > > > To CHANGE your email address, click here: > > > > http://www.techassist.net/forms/change.html > > > > ------------------------------------------ > > > > ***NEW*** Tips Added Instantly!!!*** > > > > Submit Repair Tips here: > > > > http://www.tech-assist.org/secure/tip/ > > > > > > > > > > > > > > ------------------------------------------ > > > To REMOVE your email address, click here: > > > http://www.tech-assist.org/unsubb.html > > > To CHANGE your email address, click here: > > > http://www.techassist.net/forms/change.html > > > ------------------------------------------ > > > ***NEW*** Tips Added Instantly!!!*** > > > Submit Repair Tips here: > > > http://www.tech-assist.org/secure/tip/ > > > > > > ===== > > Jorge Aguado-Puerto Rico > > J.C.Electronic Repairs > > Tel:787-761-0920 > > jorge_miret@xxxxxxxxx > > > > __________________________________________________ > > Do you Yahoo!? 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