Crown IC-150 Stereo Preamp Manuals

Crown IC-150 Stereo Preamp Manuals

Manuals and User Guides for Crown IC-150 Stereo Preamp. We have 1 Crown IC-150 Stereo Preamp manual available for free PDF download: Service Manual

Crown IC-150 Service Manual

Crown IC-150 Service Manual (41 pages)

Integrated Circuit Stereo Console

Brand: Crown | Category: Amplifier | Size: 2 MB

Table of Contents

Table of Contents
3
List of Illustrations
5
Scope of the Manual
7
Equipment Description
7
Product View
7
Hi-Fi Terms Glossary
8
Specifications
9
Installation and Operation
11
Unpacking
11
Mounting
11
AC Power
11
Input Connections
12
System Interconnections - Stereo Console and Power Amplifier
12
Mounting Dimension Diagram
12
Output Connections
13
Detailed Function of Front Panel Controls
13
Using the Selector Switch and Tape Recorders
13
Input Equipment Connection Diagram
15
Output Equipment Connection Diagram
16
Controls Overview
17
Selector Switch - Tape Recorders
18
Panorama/Balance Control
19
Combined Function of the Panorama and Balance Control
20
Using the External Muter
20
Circuit Description
21
Principles of Operation
21
Stereo Console, Signal Flow Diagram
22
Input Circuitry
23
Output Circuitry
23
High Level Inputs
23
Phono Inputs
23
Frequency Response
24
Volume Control and Loudness Control
25
Tone Controls and Filters
26
Phase Response
28
Distortion
29
Hum and Noise
30
Control Settings for Minimum Noise
31
Square Wave Response
32
Crosstalk
32
Separation
32
Service Procedures
33
Removal of Top and Bottom Covers
33
Replacement of Selector Switch (SW1)
33
Replacement of Main PC Board Assembly
33
Replacement of Phono PC Board Assembly
34
Replacement of Volume Control (R24)
34
Replacement of Balance Control
34
Replacement of Bass Control
34
Replacement of Treble Control
35
Replacement of Panorama Control
35
Replacement of Push for Loudness Switch and Push for Flat Switch
35
Replacement of Power Switch
35
Test Equipment Calibration
36
Test Procedures
37
Troubleshooting
37
Turn-On Procedure
38
Power Supply Test, +18VDC and -18VDC
38
Tracking Test
38

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