[TechAssist] Re: Sony KV27S45 FIXED
- From: "Bob@Bobs tv" <woodman1@xxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 25 Jun 2003 15:08:50 -0400
It was the flyback transformer #145326811.. Thanks for all the reply's..
and the PDF from Bob.....
Bob,
Bobs TV Worcester, ma
woodman1@xxxxxxxx
Main 508-853-1482
Fax 508-853-1480
----- Original Message -----
From: "Bob@Bobs tv" <woodman1@xxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, May 23, 2003 11:07 AM
Subject: [TechAssist] Re: Sony KV27S45
>
> Hi,
> Still working on this set, and checked all the suggested parts to
> check..Now the big question...The supply voltages all start to go up
before
> shut down even the horizontal drive.. Monitoring the high voltage it never
> passes 300volts before shutdown. Could this be a bad transformer in the
> diode section? Just guessing now..
> Thanks to all that replied and sent PDF
> Bob,
>
> Bobs TV Worcester, ma
>
> woodman1@xxxxxxxx
>
> Main 508-853-1482
> Fax 508-853-1480
> ----- Original Message -----
> From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Friday, May 23, 2003 7:07 AM
> Subject: [TechAssist] Re: Sony KV27S45
>
>
> >
> > Bob,
> > Check IC1751 and Q1751 on the CRT board. Here is there info:
> >
> > IC1751 (TDA6108Q), Sony# 8-759-535-08
> > Q1751 (2SC2785-HFE), Sony# 8-729-119-78
> >
> > 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@xxxxxxxxxxxxxxxx
> > geminitv@xxxxxxx
> > www.geminicomputertvsecurityalarms.com
> >
> > ----- Original Message -----
> > From: "Bob@Bobs tv" <woodman1@xxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Thursday, May 22, 2003 2:43 PM
> > Subject: [TechAssist] Sony KV27S45
> >
> >
> > > At turn on, set comes on with sound no pix (or HV) Then it shuts down
> and
> > led continues to blinks twice. (HI current) At turn on b+ goes to 135V
and
> > scan supply's start to go up before shut down. Replaced MX regulator and
> TA
> > vertical chip.. With no results..
> > > Any help appreciated..
> > > Bob,
> > >
> > > Bobs TV Worcester, ma
> > >
> > > woodman1@xxxxxxxx
> > >
> > > Main 508-853-1482
> > > Fax 508-853-1480
> > >
> >
>
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