[TechAssist] Re: Sony KV32S40 power supply question
- From: "Damon" <DAMON101@xxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sun, 7 Sep 2003 05:49:16 -0500
They do come up with "cheap imitation knockoffs". Ordered a tuner from them
and the replacement had about 1/2 the parts and 1/3 the weight....installed
and it worked, but the interference patterns on some of the channels around
56 are awful!!
When it sounds too good to be true, it probably is......
Damon Brunger
Telrad Electronic Services
Ft Wayne, IN 46815
----- Original Message -----
From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, September 05, 2003 5:28 AM
Subject: [TechAssist] Re: Sony KV32S40 power supply question
> I wouldn't trust their parts. Give it another whack with parts from a
> reliable source.
>
> 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: "Peter oliver" <oliver_peter1@xxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Thursday, September 04, 2003 9:35 PM
> Subject: [TechAssist] Re: Sony KV32S40 power supply question
>
>
> > This one has a mind to be stubbron. Replaced IC601, the HOT, and the
> > fusable. IC601 (MX0841) and C609 promptly exploded. (Very litteraly)
the
> > HOT and the fusable resistor are still fine after replacement. This MX
> came
> > from MAT weight, markings and package were consistant with the original,
> > anyone had problems with these? (needed a few things they had so thew it
> in
> > with order)......
> >
> > Peter Oliver
> > Tucson Radio TV
> >
> >
> > From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxxxxxxx>
> > Reply-To: techassist@xxxxxxxxxxxxx
> > To: <techassist@xxxxxxxxxxxxx>
> > Subject: [TechAssist] Re: Sony KV32S40 power supply question
> > Date: Tue, 2 Sep 2003 07:52:57 -0400
> >
> > Don't forget to look for the open fusible resistor in the power supply
as
> > well. The most common causes for HOT failure are solder connections on
> HDT,
> > defective flyback, arcing CRT, and there is usually a small electrolytic
> > (0.47mfd/50V) in the horizontal driver circuit that I always replace on
> this
> > vintage.
> >
> > 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: "Peter oliver" <oliver_peter1@xxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Monday, September 01, 2003 7:19 PM
> > Subject: [TechAssist] Sony KV32S40 power supply question
> >
> >
> > > Sony KV32S40
> > > AA-2D chassis family
> > >
> > > Unit dead with flashing LED (continous). Has HOT blown, and
> > MX0841
> > > shorted. Connections on Horz drve transformer look ok, Will solder
> > anyway.
> > > Conection on Horz drive transistor a little poor. Customer claims
light
> > > started blinking, left the room and it was gone. Any caviots for this
> > > particular supply? Not sony ASC so this series just starting to
trickle
> > in,
> > > first one of the MX containing series that I recall coming in with
> power
> > > supply fault, usually just see the sets with the discretes, schematic
> > looks
> > > like they packaged the transisors and the VDR's in one..Yes I was
> working
> > > labor day to clean up the backlog from last week, got done at 3:45
and
> > this
> > > set came it after 3:00. I'm going to have to order parts on this one
> and
> > a
> > > few other sets tomorrow but ideas in the the shipping interm time may
> be
> > > usefull.
> > >
> > >
> > > Peter Oliver
> > > Tucson Radio TV
> > >
> > > _________________________________________________________________
> > > MSN 8: Get 6 months for $9.95/month.
> > http://join.msn.com/?page=dept/dialup
> > >
> > >
> >
>
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