[TechAssist] Re: Help! - Sony KV32S45 TV
- From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 6 Apr 2004 07:15:01 -0400
Don,
That sure sounds like a bad comb filter. I am uploading the original service
manual to the members area as "KV32S45.pdf".
Bob Waterman, CET® #RI-28
Master Technician License #9109
Service Manager / Parts Manager
Gemini Computer, TV, & Security Alarms
(508)695-7302
(508)695-7769 FAX
geminitv@xxxxxxxxxxx
geminitv@xxxxxxx
www.geminicomputertvsecurityalarms.com
----- Original Message -----
From: "Dan Garris" <dgarris@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, April 06, 2004 12:19 AM
Subject: [TechAssist] Re: Help! - Sony KV32S45 TV
> Hi Leroy and All,
>
> I feed an S-Video Signal to the Sony TV as you said to try below and NOW I
> have a nice picture! I checked all the caps below and replace any that
> seemed weak but most every cap I have seen so far was not bad just a
slight
> bit weak on my Capacitor Wizard ESR meter, I replaced several but none
were
> really bad, just slightly weak. I could not find C1266. This set uses a
> Digital comb filter CXD2073S (IC3502) located on the "B" board right where
> the RF input connector goes thru. I tried freeze spray all all components
> and no change.
>
> -I can turn the PIP on, and see the picture in the PIP box but not in the
> main screen. Main screen video looks just like a VCII Scrambled C-band
> channel picture.
>
> -I can input S-Video signal using S-Video jack on back of set and I have a
> nice (good) picture on the main screen!
>
> -I can input an A/V Signal using A/V jacks on back of set and I get same
> (Scrambled) picture.
>
> -All Audio and OSD functions are Fine.
>
> -I have NO blinking LED on the front, The LED stays off after powering on
> the set.
>
> Is this the Comb Filter IC? (part #) Any help? Thanks to all in advance!!
>
> Dan Garris
> Garris TV
> New Bern, NC
> DGarris@xxxxxxxxxxx
>
>
>
> >From: "LeRoy Westlund" <llw@xxxxxxxxxx>
> >Reply-To: techassist@xxxxxxxxxxxxx
> >To: <techassist@xxxxxxxxxxxxx>
> >Subject: [TechAssist] Re: Help! - Sony KV32S45 TV
> >Date: Mon, 5 Apr 2004 20:15:03 -0600
> >
> >Dan,
> >Here are three tips I found for similar problems on different (KV32S)
> >models.
> >Not sure if they apply to your model.
> >
> >1. Feed video in on the S-Video jack. If it shows a good picture, then
the
> >Comb filter is bad. Might be labeled CM401 on the video input board. Look
> >for a black square part (1" x 1/2 " aprox.)
> >
> >2. Check C3501 (47 @ 25) on thhe "B" board behind the tuner.
> >
> >3. Check C1266 (47 @ 16), next to comb filter.
> >
> > If these tips do not help, then answer this question, cause there are a
> >couple more tips, that I can send you.
> >Question: Does the timer light flash continously ?
> >
> >HTH,
> >LLW
> >
> >LeRoy Westlund
> >Westlund TV & Electronics
> >97 North Main "Where there's a will,...
> >Centerfield, UT 84622-0087 There's always a way."
> >Ph./Fax 435-528-3822
> >mailto:LLW@xxxxxxxxxx
> >
> >-----Original Message-----
> >From: Dan Garris <dgarris@xxxxxxxxxxx>
> >To: techassist@xxxxxxxxxxxxx <techassist@xxxxxxxxxxxxx>
> >Date: Monday, April 05, 2004 6:38 PM
> >Subject: [TechAssist] Re: Help! - Sony KV32S45 TV
> >
> >
> > >Thanks Jim, right now I am using my SAMS PHOFACTS #4237.
> > >
> > >...I was hoping another technician on the list might have seen or
recall
> > >this type of problem on a Sony TV and could help us. I was hoping it
was
> >a
> > >common problem.
> > >
> > >Dan Garris
> > >Garris TV
> > >New Bern, NC
> > >dgarris@xxxxxxxxxxx
> > >
> > >
> > >
> > >>From: "becyn" <becyn@xxxxxxxxxx>
> > >>Reply-To: techassist@xxxxxxxxxxxxx
> > >>To: <techassist@xxxxxxxxxxxxx>
> > >>Subject: [TechAssist] Re: Help! - Sony KV32S45 TV
> > >>Date: Mon, 5 Apr 2004 20:05:06 -0400
> > >>
> > >>Dan,
> > >>
> > >>I can't locate a manual for this one. maybe someone on the list has
one
> >...
> > >>PIP is a good candidate, but sometimes there are video switching IC's
on
> > >>the
> > >>main pcb that can fail. At this point your gonna have to "go in".
Sorry
> >i
> > >>couldn't be of more assistance...
> > >>
> > >>Jim McVey
> > >>McVey Alltronix
> > >>327 Broadway
> > >>Newburgh Ny 12550
> > >>ph: 845 561 8383
> > >>fx: 845 561 9017
> > >>Consumer electronics &
> > >>computer service.
> > >>Factory authorized for
> > >>over twenty brands.
> > >>----- Original Message -----
> > >>From: "Dan Garris" <dgarris@xxxxxxxxxxx>
> > >>To: <techassist@xxxxxxxxxxxxx>
> > >>Sent: Monday, April 05, 2004 7:04 PM
> > >>Subject: [TechAssist] Re: Help! - Sony KV32S45 TV
> > >>
> > >>
> > >> > I was thinking the same thing Jim. I checked all caps - no fish
smell
> > >>caps -
> > >> > in fact the pc board almost looks new.
> > >> >
> > >> > If it is in the PIP board - How could I bypass the PIP circuit on
> >this
> > >> > model/chassis?
> > >> >
> > >> > Dan Garris
> > >> > Garris TV
> > >> > New Bern, NC
> > >> > dgarris@xxxxxxxxxxx
> > >> >
> > >> > >From: "becyn" <becyn@xxxxxxxxxx>
> > >> > >Reply-To: techassist@xxxxxxxxxxxxx
> > >> > >To: <techassist@xxxxxxxxxxxxx>
> > >> > >Subject: [TechAssist] Re: Help! - Sony KV32S45 TV
> > >> > >Date: Mon, 5 Apr 2004 18:45:34 -0400
> > >> > >
> > >> > >Still sounds like the PIP board. Probably some bad "fish" caps
> >and/or
> > >> > >associated corrosion.
> > >> > >
> > >> > >Jim McVey
> > >> > >McVey Alltronix
> > >> > >327 Broadway
> > >> > >Newburgh Ny 12550
> > >> > >ph: 845 561 8383
> > >> > >fx: 845 561 9017
> > >> > >Consumer electronics &
> > >> > >computer service.
> > >> > >Factory authorized for
> > >> > >over twenty brands.
> > >> > >----- Original Message -----
> > >> > >From: "Dan Garris" <dgarris@xxxxxxxxxxx>
> > >> > >To: <techassist@xxxxxxxxxxxxx>
> > >> > >Sent: Monday, April 05, 2004 5:34 PM
> > >> > >Subject: [TechAssist] Re: Help! - Sony KV32S45 TV
> > >> > >
> > >> > >
> > >> > > > I read that tip and all others.... however my picture is not
> >black,
> > >>I
> > >> > >can
> > >> > > > see color in the slightly negative *video that I do have, also
> >the
> > >>video
> > >> > >has
> > >> > > > what appears to be no horiz/vert sync - NOW the PIP works and
has
> >a
> > >>nice
> > >> > > > picture, OSD works, all the Audio works. I can watch TV thru
the
> > >>small
> > >> > >PIP
> > >> > > > window just fine but the not on the main picture.
> > >> > > >
> > >> > > > *(main picture looks just like the VCII Scrambled video on a
> >C-band
> > >>dish
> > >> > > > picture) (pretty good description of what it looks like).
> > >> > > >
> > >> > > > Dan Garris
> > >> > > > Garris TV
> > >> > > > New Bern, NC
> > >> > > > dgarris@xxxxxxxxxxx
> > >> > > >
> > >> > > >
> > >> > > > >From: "Intrepid Video Support" <support@xxxxxxxxxxxxxxxxxx>
> > >> > > > >Reply-To: techassist@xxxxxxxxxxxxx
> > >> > > > >To: <techassist@xxxxxxxxxxxxx>
> > >> > > > >Subject: [TechAssist] Re: Help! - Sony KV32S45 TV
> > >> > > > >Date: Mon, 5 Apr 2004 15:56:39 -0400
> > >> > > > >
> > >> > > > >Dan,
> > >> > > > >Sounds like it...
> > >> > > > >SONY \KV32S45\Black no picture no video no color* IC351 had
> >video
> > >>in
> > >> > >but
> > >> > > > >garbage out the led would blink 1
> > >> > > > >ea sec\\\\IC351 (CXA2095S)\\\\\\\\
> > >> > > > >
> > >> > > > >
> > >> > > > >
> > >> > > > >Jeff Dougherty
> > >> > > > >Intrepid Video TV/VCR
> > >> > > > >263 S Front St
> > >> > > > >Steelton PA 17113
> > >> > > > >fax...717-564-4952
> > >> > > > >www.intrepid-video.com www.tech-repair.net
> > >> > > > >
> > >> > > > >----- Original Message -----
> > >> > > > >From: "Dan Garris" <dgarris@xxxxxxxxxxx>
> > >> > > > >To: <techassist@xxxxxxxxxxxxx>
> > >> > > > >Sent: Monday, April 05, 2004 3:42 PM
> > >> > > > >Subject: [TechAssist] Help! - Sony KV32S45 TV
> > >> > > > >
> > >> > > > >
> > >> > > > >Make : Sony
> > >> > > > >Model : KV32S45
> > >> > > > >Chassis: SCC-S07B-A (MFD Oct 1998)
> > >> > > > >Tuner: # 8-598-431-00
> > >> > > > >
> > >> > > > >Had all snow on all channels, Audio and OSD worked fine, LED
was
> > >>not
> > >> > > > >blinking. I replaced Tuner (8-598-431-00) still no change. I
> > >>checked
> > >> > >all
> > >> > > > >tuner voltages, all ok but NO 5 volt VCC on pin 3, replaced
> >leaky
> > >>D1103
> > >> > > > >5.6v
> > >> > > > >Zener diode and this restored 5volt VCC to tuner.
> > >> > > > >
> > >> > > > >Now tuner appears to be working, but picture is scrambled,
with
> >a
> > >> > >negative
> > >> > > > >look and no vert/horiz sync. Audio & OSD work fine! The PIP
> >picture
> > >>in
> > >> > >the
> > >> > > > >small PIP box looks great! But the main picture is scrambled
> > >>looking
> > >>as
> > >> > > > >described above. I checked all caps near tuner and on the "P"
> >(PIP)
> > >>and
> > >> > >"B"
> > >> > > > >boards. WHen I plug in a VCR into the rear A/V jacks, the
> >picture
> > >>is
> > >> > >still
> > >> > > > >scrambled looking with a bit of a negative look and no
> >vert/horiz
> > >>sync.
> > >> > > > >
> > >> > > > >Now is another case of a bad Jungle IC351 CXA2095S failure?
> >Help?
> > >> > > > >
> > >> > > > >Dan Garris
> > >> > > > >Garris TV
> > >> > > > >New Bern, NC
> > >> > > > >dgarris@xxxxxxxxxxx
> > >> > > > >
> > >> > > >
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> > >>
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