[TechAssist] Re: Sony KV27FS12 - shuts down
- From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 13 May 2005 09:28:54 -0400
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Text pasted from WinSTIPS 2.0
http://www.ServiceSoftware.com
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SONY KV27FS12
Dead / Chirps
Phil Hull
I Found D504 Shorted. 8-719-945-80 Replaced Diode And New One Got Real Hot
And It Had A Small Picture With Sides Pulled In And Bad Pincushion. I Traced
The Problem To No E/W Signal To R528 E/W Had A Interrmittent Open From
Cn2006 Pin 5 To R528 (On Main Board.) Jumping With A Wire Repaired The Set.
---------------------------------------------------------------
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
----- Original Message -----
From: "KENNETH BARNES" <KENNYB928@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, May 13, 2005 9:20 AM
Subject: [TechAssist] Re: Sony KV27FS12 - shuts down
> Larry: I checked these out and this is not the problem - still haven't
located the problem. Any other suggestions would be welcome. Thanks,
Kenny
> ----- Original Message -----
> From: KENNETH BARNES<mailto:KENNYB928@xxxxxxx>
> To: techassist@xxxxxxxxxxxxx<mailto:techassist@xxxxxxxxxxxxx>
> Sent: Wednesday, May 11, 2005 3:03 PM
> Subject: [TechAssist] Re: Sony KV27FS12 - shuts down
>
> Larry: Thanks for the info - I will check things out. The chassis is
BA5. Kenny
> ----- Original Message -----
> From: Larry
E<mailto:videotech@xxxxxxxxxxxx<mailto:videotech@xxxxxxxxxxxx>>
> To:
techassist@xxxxxxxxxxxxx<mailto:techassist@xxxxxxxxxxxxx<mailto:techassist@f
reelists.org<mailto:techassist@xxxxxxxxxxxxx>>
> Sent: Wednesday, May 11, 2005 12:41 PM
> Subject: [TechAssist] Re: Sony KV27FS12 - shuts down
>
> Kenny, chassis # AA-2 ? If so, check L511, D502, 503, 504, C511, C513
and
> check Q512 one of them or a combination of them are shorted, If you
include
> the chassis number you`ll get more responses as many models are
covered
> under
> certain chassis numbers, Good Luck, Larry E
>
> Larry Eastman
> American TV & Electronics
> Crystal River, Fl. 34428
> ----- Original Message -----
> From: "KENNETH BARNES"
<KENNYB928@xxxxxxx<mailto:KENNYB928@xxxxxxx<mailto:KENNYB928@xxxxxxx<mailto:
KENNYB928@xxxxxxx>>>
> To:
<techassist@xxxxxxxxxxxxx<mailto:techassist@xxxxxxxxxxxxx<mailto:techassist@
freelists.org<mailto:techassist@xxxxxxxxxxxxx>>>
> Sent: Tuesday, May 10, 2005 10:56 PM
> Subject: [TechAssist] Re: Sony KV27FS12 - shuts down
>
>
> > Damon: I replaced IC301 - have pix and all functions. Now I have
way
> too much width. Called up service adjustment mode. Secured HSIZ
(Horz
> size); cannot adj. Can't see all the service writing. Missing the s
on
> service writing. Checked Q503 & Q504 in the pincushion circuit. They
are
> O.K. Also picture bowed in the middle even though I have a full pix.
Any
> suggestions? Thanks for your input. Kenny
> >
> > ----- Original Message -----
> > From:
Damon<mailto:damon101@xxxxxxxxxxxxxx<mailto:damon101@xxxxxxxxxxxxxx<mailto:d
amon101@xxxxxxxxxxxxxx<mailto:damon101@xxxxxxxxxxxxxx>>>
> > To:
techassist@xxxxxxxxxxxxx<mailto:techassist@xxxxxxxxxxxxx<mailto:techassist@f
reelists.org<mailto:techassist@xxxxxxxxxxxxx<mailto:techassist@xxxxxxxxxxxxx
<mailto:techassist@xxxxxxxxxxxxx<mailto:techassist@xxxxxxxxxxxxx<mailto:tech
assist@xxxxxxxxxxxxx>>>
> > Sent: Monday, May 09, 2005 7:17 AM
> > Subject: [TechAssist] Re: Sony KV27FS12 - shuts down
> >
> >
> > You missed the vertical circuit completely. Most of the time the
> vertical
> > drive signal dies and you have to replace the jungle, other times
it's
> the
> > V+ and V- supplies that come from the IHVT.
> >
> > Damon Brunger
> > Telrad Electronics
> > Fort Wayne IN
> > ----- Original Message -----
> > From: "KENNETH BARNES"
<KENNYB928@xxxxxxx<mailto:KENNYB928@xxxxxxx<mailto:KENNYB928@xxxxxxx<mailto:
KENNYB928@xxxxxxx<mailto:KENNYB928@xxxxxxx<mailto:KENNYB928@xxxxxxx<mailto:K
ENNYB928@xxxxxxx<mailto:KENNYB928@xxxxxxx>>>>
> > To: "techassist"
>
<techassist@xxxxxxxxxxxxx<mailto:techassist@xxxxxxxxxxxxx<mailto:techassist@
freelists.org<mailto:techassist@xxxxxxxxxxxxx<mailto:techassist@xxxxxxxxxxxx
g<mailto:techassist@xxxxxxxxxxxxx<mailto:techassist@xxxxxxxxxxxxx<mailto:tec
hassist@xxxxxxxxxxxxx>>>>
> > Sent: Sunday, May 08, 2005 10:11 PM
> > Subject: [TechAssist] Re: Sony KV27FS12 - shuts down
> >
> >
> > > Sony KV27FS12 - still have a problem. 4 blinks. Set came into
shop
> dead.
> > Replaced HOT. It then blew two HOT. Changed flyback (bad) and
> installed
> > new flyback, another HOT and changed vert IC502. Hi voltage is
normal.
> B+
> > on HOT is 134V. All voltages on IC502 are normal. When you plug
TV
> into AC
> > it comes on for 6 - 8 seconds then shuts down - cannot turn off TV
with
> > power button. Once it shuts down, you can make it come on by
pushing
> power
> > button, then it shuts down in 6 to 8 seconds. By turning on
enough
> times,
> > you get a horz line in pix, slightly above center of pix.
> > > Also D501 and D504 are ok. D620 & D616 are OK. Ring yoke
is ok.
> > Changed IC702. 200V source is normal.
> > > What have I missed? Appreciate any help with this one.
> > > Kenny Barnes TV
> > > 928 S. Marshall St.
> > > Boone IA 50036
> > > Ph. 515 432 5250
> > > Email:
>
KENNYB928@xxxxxxx<mailto:KENNYB928@xxxxxxx<mailto:KENNYB928@xxxxxxx<mailto:K
<mailto:KENNYB928@xxxxxxx<mailto:KENNYB928@xxxxxxx<mailto:KENNYB928@xxxxxxx<
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NNYB928@xxxxxxx<mailto:K>>
>
ENNYB928@xxxxxxx<mailto:ENNYB928@xxxxxxx<mailto:ENNYB928@xxxxxxx<mailto:ENNY
B928@xxxxxxx>>>>
> >
>
>
>
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