Digest for sci.electronics.repair@googlegroups.com - 4 updates in 1 topic

Cydrome Leader <presence@MUNGEpanix.com>: Sep 19 07:52PM

Has anyone here worked on or used a Sony reel to reel video tape recorder?
I don't have a model number handy yet as the unit is trapped behind other
stuff on a shelf. It's about the size of large turntable or small reel to
reel audio recorder, it looks like it gets used laying flat on a table. I
have not located any tapes for it yet.
 
Any fun facts or stories about these things or tips for trying to fire it
up again?
Phil Allison <pallison49@gmail.com>: Sep 19 01:53PM -0700

Cydrome Leader wrote:
====================
> stuff on a shelf. It's about the size of large turntable or small reel to
> reel audio recorder, it looks like it gets used laying flat on a table. I
> have not located any tapes for it yet.
 
**There were numerous models.
 
Including the CV-2400CE" porta pak":
 
https://www.flickr.com/photos/madatechhc/8473899630
 
> Any fun facts or stories about these things or tips for trying to fire it
> up again?
 
 
** Well, I saw one of the above in use in about 1974/5.
 
Videoing a well dressed couple ( Pip & Wayne) dancing in a small room with a bright, halogen light on the floor.
Took a few snaps with my Pentax K2, using that light.
A B&W print of the event hangs on the wall in front of me now.
 
 
...... Phil
bje@ripco.com: Sep 20 10:50AM

> have not located any tapes for it yet.
 
> Any fun facts or stories about these things or tips for trying to fire it
> up again?
 
The only positive thing I can think of is, back then the Sony stuff was hand
made and except for parts (caps) rotting away because of age, probably still
works.
 
Keep in mind it was more mechanical than electronic, so bearings might be
froze from grease drying up, the transport used a number of giant sized
idler wheels/tires which can develop flat spots.
 
Overall, unless you get the model number you just don't know where you
stand, it sounds like one of the common ones that the Chicago Public Schools
had in the 70's. Every school (grammar and HS) had one of those but rarely
used because of the complexity of using them (along with the prehistoric
cameras with 50 pin cables).
 
Unless you look at the back of it, you may not even be able to hook it up to
anything. It's unlikely it has a channel 3 or 4 output, modulators were not
common back then and it would be surprising if it even had video/audio out.
Many recorders of that era had some weird EIAJ "port" where everything,
video, audio, horizonal and vertical sync was on different pins. Those
things were generally on a wheeled cart with the oversized 19" b&w monitor
on top, somewhat dedicated to the recorder.
 
Assuming it is a 1/2" machine the tapes were generally not interchangable,
one recorded on a Matsushita/National/Panasonic would likely not play on a
Sony. Unless there is a pre-recorded tape (and take up reel) that is with
it, even if you find them on Ebay or somewhere, you'll have to make a
recording to see if it plays back and there you go with the 50 pin weird
camera connection to deal with. Don't expect a simple video/audio in.
 
I'd personally leave it on the shelf unless there is a box of tapes with it,
might be fun to see currently dead people (remember we're talking 40+ years
here) playing basket ball in HS or doing a school play but without, just
don't see an effort worthwhile to get it working.
 
-bruce
bje@ripco.com
Phil Allison <pallison49@gmail.com>: Sep 20 04:09AM -0700

b...@ripco.com wrote:
=================
> might be fun to see currently dead people (remember we're talking 40+ years
> here) playing basket ball in HS or doing a school play but without, just
> don't see an effort worthwhile to get it working.
 
** LOL !!

you make it seem like watching the Zapruder film ...
 
 
...... Phil
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