[TechAssist] Re: update: Panasonic CT27SF20R ALEDP266 Dead need schematic
- From: "Peter oliver" <oliver_peter1@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Sat, 06 Sep 2003 22:17:08 +0000
B+ is at least 242 VDC (max meter shows before shutdown), The Avalanche
diode a R2kL is shorted voltage is with that removed, so may be quite high I
think the avalache volatge is around 800v???? So a very bad regulation
problem?
Peter Oliver
Tucson Radio TV
From: "Shoreline Electronics" <jstielau@xxxxxxxx>
Reply-To: techassist@xxxxxxxxxxxxx
To: <techassist@xxxxxxxxxxxxx>
Subject: [TechAssist] Re: update: Panasonic CT27SF20R ALEDP266 Dead need
schematic
Date: Thu, 4 Sep 2003 21:58:07 -0400
Well , its a Sams 3269...someone may have a efact.
If you pull the output transistor and fire it up , what is the B+ on the
collector?
Also....do you have any Sencore gear to drive the circuit and load test it?
==========================
Jeff Stielau
Shoreline Electronics Repair
344 East Main Street
Clinton,CT 06413
860-399-1861
860-664-3535 (fax)
jstielau@xxxxxxxx
==========================
"If you push something hard enough it will fall over."
Fudd's First Law of Opposition - Sir Sidney Fudd
----- Original Message -----
From: "Peter oliver" <oliver_peter1@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, September 04, 2003 9:37 PM
Subject: [TechAssist] Re: update: Panasonic CT27SF20R ALEDP266 Dead need
schematic
> Replacing reguator no help Still blowing HOT. Proabbably a lighting
strike
> messed up the regulation feedback ???? Any PDF schematics out there?
>
> Peter Oliver
> Tucson Radio TV
>
>
> From: "Peter oliver" <oliver_peter1@xxxxxxxxxxx>
> Reply-To: techassist@xxxxxxxxxxxxx
> To: techassist@xxxxxxxxxxxxx
> Subject: [TechAssist] update: Panasonic CT27SF20R ALEDP266 Dead need
> schematic
> Date: Sat, 30 Aug 2003 22:00:08 +0000
>
> The resistors are fine. Did find Q801 shorted. Replaced it and the set
> fluxed and blew the HOT. I think the regulator, an STRS6302, I put in was
in
> another set that was blowing the HOT and I couldnt figure why.. so I'll
> order a couple of new ones to try and see if that will resolve the
> dificulty. Looking at this type of fault definately could be another
> unanounced lighting victum.
>
> Peter Oliver
> Tucson Radio TV
>
>
> From: <tvservice@xxxxxxxxxxxxx>
> Reply-To: techassist@xxxxxxxxxxxxx
> To: <techassist@xxxxxxxxxxxxx>
> Subject: [TechAssist] Re: Panasonic CT27SF20R ALEDP266 Dead need
schematic
> Date: Thu, 28 Aug 2003 08:45:12 -0500
>
> check for open R837 and R838 1 ohm 1/2 watt parallel on the 140 volt line
> these are current limiter resistors if one open will go into shutdown if
> both open won't start
> Thats about all I have
> Robert
> tvservice@xxxxxxxxxxxxx
> H & H Electronics Inc
> Dallas, TX
> ----- Original Message -----
> From: "Peter oliver" <oliver_peter1@xxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Wednesday, August 27, 2003 8:39 PM
> Subject: [TechAssist] Panasonic CT27SF20R ALEDP266 Dead need schematic
>
>
> > Panasonic
> > CT27SF20R
> > ALEDP266
> >
> > lists as sams 3269
> > Cir 1993
> >
> > Unit is dead.... But, Degauss relay clicks. Have tried
> > Replacing the STRG in the unit to no effect.Anyone have a Schematic
on
> this
> > beasty or a hot tip, a web search shows tritronics has a kit for one
> dead
> no
> > blown fuse any ideas????
> >
> > Peter Oliver
> > Tucson Radio TV
> >
> > (it is easist to upload shematic to members area if sending directly
> contact
> > me for email address that will acomidate a download this one won't)
> >
> > _________________________________________________________________
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