Re: Component Salvage - the TV Set

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Original poster: "Hydrogen18" <hydrogen18-at-hydrogen18-dot-com> 

Im in the southern US and our garbage service takes tubes with no problem.

----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Friday, January 23, 2004 9:11 AM
Subject: Component Salvage - the TV Set


 > Original poster: Matthew Smith <matt-at-kbc-dot-net.au>
 >
 > Hi All
 >
 > As one always looking out for "bits" for coiling and other
experimentation,
 > I've had quite a good find in an old, large TV.  For those on a budget or
 > who, like me, like to work as much as possible with recycled components, I
 > thought I'd share my finds:
 >
 > Good stuff
 > ----------
 > * Degaussing coil.  Loosely wound, quite a lot of copper here.  May be
 > enough for a small (tabletop) secondary.  Unlike so many pre-wound
devices,
 > no glue!
 > * Power transformer.  Wow - this must be old, no SMPS!  This transformer
is
 > 240V in, 6.4-0-120V out.  The set itself is only rated to 150W - I wonder
 > how much current I could get at 120V.  The core is as large as one from a
 > medium MOT. Looks promising as a supply for an SSTC.
 > * Power supply board.  Diodes and chokes could probably be used with the
 > transformer, but I'd replace the capacitors due to age.
 > * Flyback transformer.
 > * Voltage tripler unit.  Looks pretty meaty.
 > * Huge heatsinks.  They have sockets for T03 semis and are slotted to
 > accommodate the plug-in boards.  Off with the sockets, on with TO220
 > insulating kits!  I don't know what the dissipation for these is, but
 > should be up to SSTC or flyback driver duty.
 > * Plenty of TO3 power transistors (bipolar).  I'm unlikely to use these
 > myself, but fine for things such as flyback drivers.  (Especially the one
 > that was driving the flyback!)
 > * Earthing braid around tube.  Makes good, er, earthing braid...
 > * Lots of passive components, including many high-wattage resistors.  The
 > boards are all single-sided, so desoldering is a breeze.
 > * Plywood case.  Can either make a box for your equipment or go in the
 > winter fire!
 >
 > Bad stuff
 > ---------
 > * Tube.  I have to find somewhere to dispose of this.  I try to avoid the
 > dump since they charge...
 > * Various pieces of metal.  Far too many holes to make them useful for
 > anything - drop off at scrap metal depot when I go to get refrigeration
 > compressors for my vacuum system.
 >
 > Warnings
 > --------
 > * Implosion risk from tube.  HANDLE WITH CARE.
 > * These big'uns are HEAVY.  Nearly busted a gut carrying it over uneven
 > ground and loading it into the already packed back of my 4x4.  Lift with
 > your legs!
 > * Aussie salvagers: watch out for redbacks - I found one (empty) redback
 > web in their.  US salvagers: since they're virtually the same critter,
 > watch out for black widows.
 >
 > Conclusion:  Well worth picking over provided you have somewhere to
dispose
 > of the tube.
 >
 > Cheers
 >
 > M
 >
 > --
 > Matthew Smith
 > Kadina Business Consultancy
 > South Australia
 > http://www.kbc-dot-net.au
 >
 >
 >