Crown IC-150 Service Manual

Manual provides technical information to install, operate, and repair the CROWN IC-150 stereo console.

Describes the IC-150's design for precise reproduction and versatile controls for music enthusiasts.

Defines technical audio terms used in the manual, covering concepts like distortion, frequency, and signal-to-noise ratio.

Details the frequency response of the IC-150 for Hi-Level and Phono inputs, showing flatness across frequencies.

Explains hum and noise levels, dynamic range, and comparisons of noise and program levels.

Covers total harmonic distortion and intermodulation distortion levels for the IC-150.

Details the impedance characteristics for various inputs and outputs of the IC-150.

Covers general information, unpacking procedures, and initial setup for the IC-150 stereo console.

Details input/output connections, mounting options, and AC power setup for the IC-150.

Explains the function of major front panel controls like volume, balance, tone, and panorama.

Explains the basic operation, integrated circuits, and signal flow from input to output.

Details input impedance, gain, equalization, and output voltage/impedance specifications.

Covers frequency response, phase response, distortion, noise, and loudness control functions.

Details square wave response, crosstalk, and channel separation for audio analysis.

Overview of service procedures, policies, warranty, and general advice for technicians.

Guides for disassembling the unit and replacing key components like controls, boards, and switches.

Lists necessary test equipment and outlines procedures for accurate measurements.

Systematic diagnosis of problems, including power supply, tracking, and turn-on procedures.