[TechAssist] Re: F27338 CTC 203aa5
- From: "Corey Brazell" <cohbraz@xxxxxxxxxxxxxx>
- To: "techassist" <techassist@xxxxxxxxxxxxx>
- Date: Thu, 4 Dec 2003 13:59:18 -0500
I had one with a similar problem. Turned out to be one of the big filter
caps in the secondary of the SMPS transformer was open. Sorry, I don't
remember the part location number.
Corey Brazell
Audio Video Electronics
12169 SC Hwy 121
Newberry SC 29108
> [Original Message]
> From: Barry Thompson <barrystv@xxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Date: 12/4/2003 1:30:47 PM
> Subject: [TechAssist] Re: F27338 CTC 203aa5
>
> I fired it up and the pix comes on and shuts down and keeps on
> recycling.Barry
> barrystv@xxxxxxx
> Barrys TV
> 613 224 3406
> Ottawa.Canada.
> ----- Original Message -----
> From: "Keith Trumbla" <keith@xxxxxxxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Thursday, December 04, 2003 1:05 PM
> Subject: [TechAssist] Re: F27338 CTC 203aa5
>
>
> > Here is that resistor mod : check R14205 located in front of
transformer,
> > if it is 10 Ohm
> > change to 68 Ohm,(RCA part #175039) per tech bulletin issued by
> > Thomson.
> > Keith Trumbla
> > BEM Electronics Inc.
> > Suite 212-530 Century St.
> > WPG. MB. R3H 0Y4 Canada
> > Ph.204.775.2875 Fax.204.774.9192
> > www.bemelectronics.com
> >
> > ----- Original Message -----
> > From: "Keith Trumbla" <keith@xxxxxxxxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Thursday, December 04, 2003 11:54 AM
> > Subject: [TechAssist] Re: F27338 CTC 203aa5
> >
> >
> > > I have had a few of those Barry. It seems to be noisy in off position.
> All
> > > of my sets worked fine when turned on and I haven't had any come back
> yet.
> > > There is a mod to change the value of a resistor in the secondary and
> > > someone mentioned putting silicone on the beads to shut them up a bit.
> > Other
> > > than that, I haven't seen a fix for this yet. But then again, I don't
do
> > as
> > > much RCA as an ASC would
> > > Keith Trumbla
> > > BEM Electronics Inc.
> > > Suite 212-530 Century St.
> > > WPG. MB. R3H 0Y4 Canada
> > > Ph.204.775.2875 Fax.204.774.9192
> > > www.bemelectronics.com
> > >
> > > ----- Original Message -----
> > > From: "Barry Thompson" <barrystv@xxxxxxx>
> > > To: <techassist@xxxxxxxxxxxxx>
> > > Sent: Thursday, December 04, 2003 11:42 AM
> > > Subject: [TechAssist] F27338 CTC 203aa5
> > >
> > >
> > > > Hi just repaired the pwr supply and plugged it in and I heard the
> chirp
> > > and
> > > > get a buzz in standby. The B+ is 140.5 in standby. afraid to power
up.
> > Has
> > > > someone got an idea about this one. I don't have much experience on
> the
> > > CTC
> > > > 203 Thanks Barry.
> > > > barrystv@xxxxxxx
> > > > Barrys TV
> > > > 613 224 3406
> > > > Ottawa.Canada.
> > > >
> > > >
> > >
> >
>
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