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Sony TV KV-4490 -- FBT connection question
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Michael
electronics forum Guru Wannabe


Joined: 03 May 2005
Posts: 190

PostPosted: Sun Jul 16, 2006 7:37 pm    Post subject: Sony TV KV-4490 -- FBT connection question Reply with quote

I have to replace the FBT in a Sony TV model KV-4490. (Inside it's labelled
as KV-2781R, chassis SCC-552P-A). Can I disconnect the HOT wire from the
HVR and if yes, how?

The HV output from the flyback goes to the rectangular HVR mounted on the
metal CRT shield. The HVR has two hollow posts on top with the HV wires
going down inside them (one from the FBT, the other from the CRT). Does
the wire from the FBT simply come out? (It's snug and I haven't tried hard
to pull it out.)

(Reply to group, please.)

Michael C.E.T.
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ZZactly@aol.com
electronics forum Guru Wannabe


Joined: 11 Sep 2005
Posts: 117

PostPosted: Sun Jul 16, 2006 9:15 pm    Post subject: Re: Sony TV KV-4490 -- FBT connection question Reply with quote

You're lucky to get this because I am pissed. Just not at you, I just
lost hour of typing due to the Esc key. I wish they would tell you
that !

Anyway, it may be one end or the other, but on a Sony you generally
push the wire in slightly and turn it 90 degrees to release. Slide the
rubber bot off first so it doesn't get in the way, also it's easier to
"feel" what you're doing.

JURB
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JANA
electronics forum Guru


Joined: 30 Apr 2005
Posts: 341

PostPosted: Mon Jul 17, 2006 2:51 am    Post subject: Re: Sony TV KV-4490 -- FBT connection question Reply with quote

With the Sony sets, it is usually a push, twist 90 degrees, and then gently
pull out. Make sure that the rubber boot is not in the way while you are
doing that. Don't force it, or you will do some damage.

--

JANA
_____


"Michael" <noreply@nospam> wrote in message
news:jYCdnahqIpYZCCfZnZ2dnUVZ_rmdnZ2d@magma.ca...
I have to replace the FBT in a Sony TV model KV-4490. (Inside it's labelled
as KV-2781R, chassis SCC-552P-A). Can I disconnect the HOT wire from the
HVR and if yes, how?

The HV output from the flyback goes to the rectangular HVR mounted on the
metal CRT shield. The HVR has two hollow posts on top with the HV wires
going down inside them (one from the FBT, the other from the CRT). Does
the wire from the FBT simply come out? (It's snug and I haven't tried hard
to pull it out.)

(Reply to group, please.)

Michael C.E.T.
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Michael
electronics forum Guru Wannabe


Joined: 03 May 2005
Posts: 190

PostPosted: Mon Jul 17, 2006 1:52 pm    Post subject: Re: Sony TV KV-4490 -- FBT connection question Reply with quote

JURB, JANA:

Thanks for the responses -- so simple! Push in, twist, and the wire from
the FBT at the HVR pops out.

Michael
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