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Chassis units described and their mounting on printed circuit boards.
Explains signal routing through the selector switch to various inputs.
Details MODE switch positions: MONO, 2 CH, DISCRETE, VARI-MATRIX.
Explains the Balanced Transformerless connection for 2/4 channel modes.
Describes the pre-amplifier, including volume, bass, and treble controls.
Covers the balance control circuit and remote operation.
Details the main amplifier stage, pre-drivers, and current limiters.
Describes the power supply unit and its automatic voltage regulation.
Lists common problems and their potential causes for diagnosis.
Details specific adjustments for the power amplifier stage.
Outlines the procedure for setting the power supply voltage.
Lists the test equipment necessary for servicing the unit.
Covers initial setup and instrument configuration for performance tests.
Describes the method for measuring total hum and noise levels.
Details the procedure for testing maximum power output.
Explains how to measure harmonic distortion at various frequencies.
Outlines the steps to measure channel separation accurately.
Details input impedance and sensitivity for phono and high-level inputs.
Covers frequency response, distortion, damping factor, and noise levels.
Lists rated continuous output, music power, and power requirements.
Includes unit dimensions and weight specifications.
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