Heathkit® and Dynaco user manuals (free downloads)
Here are a few Heathkit and Dynaco manuals that may be useful:
Heathkit IG-37 FM Stereo Generator (4.5 MB)
Heathkit IG-5218 Sine-Square Audio
Generator (3.3 MB)
Check out our
FreqShow LCD frequency display for the Heathkit IG-5218
Heathkit IG-5240 TV Crosshatch/Dot/Color Bar Generator
(1.3 MB)
Heathkit IP-2718 Tri-Power
Supply (2.3 MB)
Dynaco PAT-4 Solid State Stereo Preamp (2.8 MB)
Dynaco SCA-50 Solid State Stereo Amplifier (9.2 MB)
Dynaco SCA-80Q Solid State Stereo Amplifier (8.9 MB)
(Manuals were scanned at 600 DPI to make the schematics readable,
and without the step-by-step
assembly instructions to save space/download time.)
Here is a link to my MITS 1440 calculator page
Here are some Character Generator ROM images
read from 2513 ROM's used in
a TV Typewriter II.
Here is a link to my VFD emulation project page.
Here is a link to my ARP OMNI-2 Synthesizer
Phaser board schematic
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