Page 6 (Troubleshooting the BX 20)

AKG BX20 - Troubleshooting the BX 20

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Table of Contents

Table of Contents2
Wire Colors of Diagram3
Hints for Connecting the Reverberation Unit into the Signal Path4
Studio Control Desk Available4
Control Desk4
General Remarks5
Block Diagrams5
Troubleshooting for BX 206
Description7
Frequency Characteristics9
Frequency Characteristics of the Reverberation Time9
Block Diagram10
Wiring Diagrams11
Wiring Diagram BX 20 L13
Wiring Diagram Bx 20 E/A14
Wiring Diagram BX 20 E1/A15
Wiring Diagram BX 20 L/A16
Power Supply17
Replacing and Checking the Power Supply17
View of the Power Supply17
Wiring Diagram of the Power Supply18
Amplifier19
Replacing and Checking the Amplifier19
Required Instruments and Parts19
Test Circuit of the Voltage Meter19
Replacing the Amplifier20
Adjusting the Frequency Characteristic of BX 2021
Raising of the Output Level21
Alterations on the Amplifier21
Wiring Diagram of the Amplifier with Supplement-Print22
Wiring Diagram of the Supplement23
Wiring Diagram of the Amplifier26
Reverberation Unit27
Removing and Checking the Reverberation Unit27
Replacement of the Spring Ends27
Wiring Scheme of the Reverberation Unit34
Remote Control Unit R 2035
Removal of the Control Portion35
View of the Remote Control Unit35
Circuit Diagram of the Control Unit R 20 E36
Circuit Diagram of the Control Unit R 20 L36
Spare Parts37
Reverberation Unit - Door Opened45
Suspension47
Connection Panel49

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