Table Of Contents - Crown IC-150 Service Manual

Table of Contents

Table Of Contents3
List Of Illustrations5
Scope Of The Manual7
Equipment Description7
Product View7
Hi-Fi Terms Glossary8
Specifications9
Installation And Operation11
Unpacking11
Mounting11
Ac Power11
Input Connections12
System Interconnections - Stereo Console And Power Amplifier12
Mounting Dimension Diagram12
Output Connections13
Detailed Function Of Front Panel Controls13
Using The Selector Switch And Tape Recorders13
Input Equipment Connection Diagram15
Output Equipment Connection Diagram16
Controls Overview17
Selector Switch - Tape Recorders18
Panorama/Balance Control19
Combined Function Of The Panorama And Balance Control20
Using The External Muter20
Circuit Description21
Principles Of Operation21
Stereo Console, Signal Flow Diagram22
Input Circuitry23
Output Circuitry23
High Level Inputs23
Phono Inputs23
Frequency Response24
Volume Control And Loudness Control25
Tone Controls And Filters26
Phase Response28
Distortion29
Hum And Noise30
Control Settings For Minimum Noise31
Square Wave Response32
Crosstalk32
Separation32
Service Procedures33
Removal Of Top And Bottom Covers33
Replacement Of Selector Switch (Sw1)33
Replacement Of Main Pc Board Assembly33
Replacement Of Phono Pc Board Assembly34
Replacement Of Volume Control (R24)34
Replacement Of Balance Control34
Replacement Of Bass Control34
Replacement Of Treble Control35
Replacement Of Panorama Control35
Replacement Of Push For Loudness Switch And Push For Flat Switch35
Replacement Of Power Switch35
Test Equipment Calibration36
Test Procedures37
Troubleshooting37
Turn-On Procedure38
Power Supply Test, +18Vdc And -18Vdc38
Tracking Test38