1978 Chevrolet Pro Serv Training - "Just a Little Misunderstanding" - MCA DiscoVision

This program was found on a dead side of the third disc of "The Choirboys" from MCA DiscoVision.

As this was a dead side, the disc containing this program was likely from a rejected yield. Rejected disc halves were repurposed as dead sides for manufacturing single-sided discs, complete with a layer of residue on the dead side which is meant to prevent that side's playback.

However, this residue is easily removed by cleaning it off with isopropanol. Of course, this meant that a person who had the ability to play the content contained within the dead side had content he/she wasn't supposed to have, which would be a problem.

As a result, DiscoVision would eventually abandon this practice at around the time MCA and IBM partnered up to form DiscoVision Associates in 1979. The dead sides wound up being transparent discs, allowing people to see the glue used to bond the two disc halves together. The glue had a greenish-brownish appearance, which is dubbed "green slime" by DiscoVision collectors.

The LaserDisc containing this program was played on a Pioneer LD-660. Audio is monaural with no CX noise reduction employed. The program did not appear to have any player control, time and frame codes in the vertical blanking and did not seem to have a data dump on the right analog audio track before the start of the program for interactive functions. If played on a machine such as a Pioneer LD-660 or a Pioneer/DiscoVision PR-7820, it would just play the disc from beginning up to the physical end of the track.

This is a 1978 Chevrolet Pro Serv educational filmstrip "Just a Little Misunderstanding" with soundtrack, produced by the Sandy Corporation for the Chevrolet Motor Division of the General Motors Corporation.

This educational program details the importance of good and clear communication between customers and automobile dealer/service center employees.

Category:

Autos & Vehicles

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[WammyGiveaway]

Could there be other Laserdiscs containing "hidden" films like these?

[Watcher3223]

@WammyGiveaway

MCA DiscoVision titles made before the IBM/MCA partnership that formed DiscoVision Associates.

[Watcher3223]

@WammyGiveaway

Forgot: MCA DiscoVision titles from 1978-1979 having "dead sides."

The dead side will be covered with a layer of film preventing the laser from reading it.

However, this layer can be cleaned off with isopropyl alcohol.

Of course, if the dead side looks like it's "rotted" and green (actually, that's a layer of glue holding two disc halves together), then that means the dead side is a transparent disc; "green slime" dead side, which was DiscoVision Associates practice.

[shaurz]

Jean Wilson... gets some lube... and has a clicking noise in the rear-end.

[Watcher3223]

@shaurz

And that's why good communication is so important, eh? X-D

[bufferkid]

I actually have some of these videos on LaserDisc that was given to my by my boss at work. :)

[Watcher3223]

@bufferkid

Cool.

[someonenow1]

"Fix noise in rear end."  Lawl!

[KrankieV2]

The real question is: Why did she have to pay "a hefty repair charge" if she had a 1 year old car? Power train warranties were usually 5 years or more at that point in time.

[eyeh8nbc]

Funny- only time I've seen "The Choirboys" is the last side, found on the dead side of "Sgt Pepper's Lonely Hearts Club Band". Odd sides of other titles were also found on dead sides, of course the GM stuff is usually more interesting and rare.

My "Three Days of the Condor" disc has a CLV test-pressing of Bullitt, which was never actually released on the DiscoVision label.

[pvx]

I actually uncovered the dead side contents of the single-sided "To Save A Life: Choking & CPR" Discovision release in my collection, and found it to be a GM Canada 1980 Chevy Trucks demonstration disc (complete with bilingual audio)! Of course, being originally a rejected side, the audio & video are pretty noisy, but clear up a bit about 3/4 into the side. I'm transferring it to DVD-R with my trusty 1981-vintage Pioneer LD-660 player :).