The AKAI 1720 model reel to reel tape recorder described in this Manual is quite an old unit - circa late 1960's. As a consequence, the description of the mechanical details - and adjustments thereof - is quite critical. The manual does this quite well. The schematics are also well presented and have detailed PCB overlays. Probably the only negative is that some half-tone detail has been lost from the original manual as it has been scanned in simple B&W.
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Excellent printing quality.
A complete and very usefull service manual with all details.
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Text excerpt from page 3 (click to view)
DISMANTLING INSTRUCTIONS (POWER BOOSTER AMPLIFIER BOX)
Dismantling the Front Assembly
1. Place the Power Booster Amplifier Box as shown in Picture 1 and Picture 2 and use a screw driver (minus type) to force open the Front assembly. Caution: Do not break the bundle of wires to the front. Service Position A
Dismantling the Control Board and the Panel Ornamental
1. Remove 5 screws A (see Picture 3) to loosen the Control Board (pos 6). 2. Remove 4 screws B (see Picture 3) to remove the Panel Ornamental (pos 17). Picture 2