From around 1988, this is a multi-system VCR that will play all the formats, but will not convert them.
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https://www.youtube.com/watch?v=ml08RznVw4s
This will probably need some rubber restorer on the pinch roller, and a re-cap on the power supply.
Here's the text from an ad in a newspaper May 21, 1989:
TOSHIBA'S 4-HEAD SPECIAL EFFECTS VCR IS $70 OFF! It has a 4-head system to give you noiseless and Jitter-free special effects! You'll also enjoy easy on-screen programming via remote, 14-day programmable timer, 2-speed slow motion, 122-channel cable compatible frequency synthesized tuner, tape remaining counter and linear time counter. Toshiba M-7485. Reg. 450.00
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https://www.youtube.com/watch?v=a5Wu3qyT2aY
In case you want to go chasing a non-problem like I did.
This chassis is also seen on Zenith branded VCRs.
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https://www.youtube.com/watch?v=OHOurXtly0U
This is a fairly unusual design of digital clock radio from the 1970s. Instead of the expensive electronic digital clock (with LEDs of a VFD),flip clock or even Lumitime... this is a "roll clock" with a neat looking font.
0:00 Introduction
0:45 Problems & Repairs
8:50 Overview & Demonstration
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https://www.youtube.com/watch?v=b0IRS7fYGpw
Late 60s / early 70s all-transistor FM Stereo radio.
0:00 Introduction & Overview
7:20 AM Tuning (in the basement)
8:49 Shortwave Tuning (in the basement)
11:28 The Back
13:51 Inside
19:44 Taking it Apart
20:42 The Tuner Light Debacle
24:04 All Cleaned Up
25:05 FM Tuning (outside)
26:48 SW1 Tuning (outside)
27:47 SW2 Tuning (outside)
32:35 AM Tuning (outside)
33:37 LW Tuning (outside)
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https://www.youtube.com/watch?v=V08KlJB4CVo