[TechAssist] Re: Repost! sony kv32fs200 powers up, instant SD, 5 blinks]

From: "Jamie" <mayj@xxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Date: Thu, 23 Jun 2005 11:57:59 -0500
I have a KV27FV300 on my bench this morning.
Found IC702 shorted. And also C541 (on 200v supply) shorted and buldged.
I guess I should upgrade L701 on this model also??

Jamie
Affordable TV Repair

----- Original Message -----
From: "tvservice" <tvservice@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, June 23, 2005 11:19 AM
Subject: [TechAssist] Re: Repost! sony kv32fs200 powers up, instant SD, 5
blinks]


> Damon
> here is what you are looking for
>
> SYMPTOMS
> Failed RGB Amplifer IC702.
> RESOLUTION
> To prevent the failure of the RGB Amplifer (IC702) the following component
> should be added to the circuit.
>
> Change L701 from 68uH to 100uH.
> The new P/N is 1-410-482-11, 1-410-482-21, or 1-408-615-31
> 141048221 L701 100uH coil
>
> Robert
> tvservice@xxxxxxxxxxxxx
> H & H Electronics Inc
>
>
> ----- Original Message -----
> From: "Damon" <DamonEB@xxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Thursday, June 23, 2005 1:32 AM
> Subject: [TechAssist] Re: Repost! sony kv32fs200 powers up, instant SD, 5
> blinks]
>
>
> > That's the wonders of Sony......I looked at the  Service bulletins,
> glanced
> > at L702 (maybe) increasing the inductance from 68 uH to 100uH (I think)
> and
> > go back to look for it and.........
> > Where da heck did I see that?!?!?
> >
> > But there is an upgrade to keep that IC 702 from dying again and
> > again.....maybe someone else has seen this and knows it off the top of
> their
> > head
> > .
> > Right now I just spent 1 1/2 hours tracing some Hitachi schematics for
the
> > audio path......that's one thing I liked about Sam's old
> Photofacts.....you
> > started at the left side and finished on the right, rather than Pg 1, Pg
> 3,
> > Pg 1, Pg 2, Pg 3,
> > Pg 4, Pg2, Pg4....
> >
> > My eyeballs are dusty, my bladder is sensitive, I just took a 45 second
> > nap......I think I'll research that further TOMORROW if you need it, OK?
> >
> > Damon B
> > Telrad Electronics
> > Fort Wayne IN
> > ----- Original Message -----
> > From: <tjanphyl@xxxxxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Wednesday, June 22, 2005 7:15 PM
> > Subject: [TechAssist] Re: Repost! sony kv32fs200 powers up, instant SD,
5
> > blinks]
> >
> >
> > > Upgrade?... IC702??? The tech never mentioned this, so by default, I
> > > guess not. Can I impose upon you to forward this procedure and I will
> > > forward to him. Many thanks,
> > > Phil
> > >
> > > ----- Original Message -----
> > > From: Damon <DamonEB@xxxxxxxxxxx>
> > > Date: Wednesday, June 22, 2005 7:07 pm
> > > Subject: [TechAssist] Re: Repost! sony kv32fs200 powers up, instant
> > > SD, 5 blinks]
> > >
> > > > Another note.....there are only 3 different codes for this TV
> > > > #1 B+ OCP is 2 blinks.
> > > > #2 No Vert is 3 blinks
> > > > #3 IK failure is 5 blinks
> > > > So I'll bet the 5 blinks is covering any and all other problems,
> > > > SINCE
> > > > your B+ OCP and Vert Out signal are passing their tests.
> > > > BTW did you upgrade IC 702's coils/resistor to keep it from
> > > > blowing
> > > > up???? Hope so....you could have shorted it and now it's shutting
> > > > down
> > > > because it's bad.
> > > >
> > > > Damon B
> > > > Telrad Electronics.
> > > >
> > > > Damon wrote:
> > > >
> > > > >Actually don't always assume the 5 Blink failure  means Crt
> > > > emission
> > > > >problems.
> > > > >That Sony TV shows 5 blinks because that's what the TV picked up
> > > > >on..........
> > > > >You could have missing 200V, no heater, no screen voltage, etc
> > > > causing a
> > > > >5 blink code.
> > > > >
> > > > >The key is the shutdown.......these TVs don't shutdown if the CRT
> > > > >displays a 5 blink failure.....they normally stay on.
> > > > >Forget the 5 blink......troubleshoot it as though that Immediate
> > > > >Shutdown is the ONLY symptom you have!
> > > > >
> > > > >Check B+ supply, check Horiz output, and don't forget......THE HV
> > > > >circuit is a separate circuit not associated with the Horiz Sweep
> > > > circuit.>At least I think it is.........
> > > > >
> > > > >Damon B
> > > > >Telrad Electronics
> > > > >
> > > > >Jim Myers wrote:
> > > > >
> > > > >
> > > > >
> > > > >>5 blinks is an IK failure but normally the set will turn on,
> > > > blink a few
> > > > >>times while CRT is warming up, then shut down with the 5 blink
> > > > code
> > > > >>repeating. All the time while the CRT is warming up the HV, H
> > > > >>deflection, Vertical, ETC are all present. Immediate shut down
> > > > with 5
> > > > >>blink code makes no sense. Are you sure the other shop is
> > > > telling it
> > > > >>like it is? I normally ignore any post that says "assisting
> > > > another
> > > > >>shop" because of how the story changes from one mouth to another.
> > > > >>Are they seeing the 5 blinks during the short time the set is
> > > > trying to
> > > > >>turn on? If so that is not an error code.
> > > > >>Does the set turn on with a remote? There is a tip for no remote
> > > > and
> > > > >>when turned on manually it turns itself off. If that applies
> > > > check the
> > > > >>following.
> > > > >>TV doesn't respond to remote and when turns on manually it turns
> > > > itself
> > > > >>OFF.
> > > > >>Found switch S1002 on the HS board defective.
> > > > >>Also check, the diode D006 on the A Board IC1001/42 (Key Line)
> > > > can also
> > > > >>cause symptoms of remote, or TV function miss-operations.
> > > > >>
> > > > >>
> > > > >>
> > > > >>********************************
> > > > >>Since 1972                     *
> > > > >>Jim Myers                      *
> > > > >>Telrad Electronics             *
> > > > >>Fort Wayne Indiana             *
> > > > >>********************************
> > > > >>
> > > > >>
> > > > >>Phil Bader wrote:
> > > > >>
> > > > >>
> > > > >>
> > > > >>
> > > > >>>During the instant before shut down during power up, HV reaches
> > > > 25KVm for a "microsecond",
> > > > >>>Has +/- 12 and 15v on vert out IC. +200V at CRT OK. Has reg
> > > > +135B OK.
> > > > >>>Already changed with no help:
> > > > >>>IC001 micro,IC301 jungle, IC561 vert, IC702 video,and the
> > > > flyback! Removed
> > > > >>>tuner as test. Unplugged CRT board as well, also no help. Sony
> > > > insists the 5 blinks is a "signal problem"
> > > > >>>PLeeeeese help! assisting another shop.
> > > > >>>Sony absolutely no help.
> > > > >>>Phil Bader
> > > > >>>
> > > > >>>
> > > > >>>
> > > > >>>
> > > > >>>
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References:
- [TechAssist] Re: Repost! sony kv32fs200 powers up, instant SD, 5 blinks]
  - From: tjanphyl
- [TechAssist] Re: Repost! sony kv32fs200 powers up, instant SD, 5 blinks]
  - From: Damon
- [TechAssist] Re: Repost! sony kv32fs200 powers up, instant SD, 5 blinks]
  - From: tvservice
[TechAssist] Re: Repost! sony kv32fs200 powers up, instant SD, 5 blinks]

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