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Nakamichi RX-202 Service Manual

Nakamichi RX-202
41 pages
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Nakamichi RX-202 Specifications

General IconGeneral
Track System4-track, 2-channel stereo
Tape Speed4.76 cm/s
Heads1 x record/playback, 1 x erase
Total Harmonic Distortion0.8%
Weight6.5 kg
MotorDC servo motor
Frequency Response20Hz to 20kHz
InputLine
OutputLine

Summary

Service Manual

Mechanical Adjustments

Record/Playback Azimuth Alignment

Steps for aligning azimuth and checking height of record/playback head.

Slide Base Position Adjustment

Adjusting the slide base position on the logic P.C.B. for tape path.

Tape Speed Adjustment

Adjusting tape speed using a frequency counter and volume control.

Electrical Adjustments and Measurements

Adjustment and Measurement Instructions

Detailed steps for performing electrical adjustments and measurements.

Playback Frequency Response Adjustment

Procedure for adjusting playback frequency response.

Dolby NR B-Type Circuit Check

Verifying Dolby NR B-Type circuit performance in playback and record modes.

Dolby NR C-Type Circuit Check

Verifying Dolby NR C-Type circuit performance in playback and record modes.

Schematic Diagrams

Amplifier Section Schematics

Detailed circuit diagrams for the amplifier section of the unit.

Mechanism Control Section Schematics

Circuit diagrams illustrating the mechanism control section.

Block Diagrams

Amplifier Section Block Diagram

Block diagram illustrating the functional flow of the amplifier section.

Timing Chart and Frequency Response

Timing Chart

Diagrams showing operational timing for various modes and controls.

Frequency Response Curves

Graphs illustrating playback and record frequency response characteristics.

Specifications

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