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Detailed technical specifications for the AKAI GX-400D stereo tape deck.
Procedures for testing and measuring performance parameters of the tape deck.
Detailed procedures for adjusting various mechanical components of the tape deck.
Procedure for adjusting play in the flywheel mechanism.
Adjusting the position of the brake solenoid for proper function.
Procedure for setting the correct brake tension.
Adjusting the pinch roller solenoid position.
Adjusting the shifter solenoid position.
Procedure for setting the pinch roller pressure.
Adjusting the height of the reel table.
Procedure for adjusting the height of the tape guides.
Adjusting the height of the tape tension levers.
Confirming operation points of tension arms.
Procedures for aligning and adjusting the tape heads for optimal performance.
Adjusting the height of the forward playback head.
Adjusting the height of the forward combo head.
Adjusting the height of the reverse playback head.
Adjusting the height of the reverse combo head.
Adjusting height for 4-track playback head.
Adjusting height for 2-track playback head.
Aligning the azimuth of the recording head.
Adjusting bias for forward playback at 7.5 ips.
Procedures for adjusting amplifier system components and boards.
Detailed explanation of the A.C. servo control system's operation.
Description of the Automatic Distortion Reduction (ADR) system's function.
Overview and functional description of the tape transport mechanism.
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