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Shure
SR105
service manual
Main Circuit Board Parts Location Diagram
Models:
SR105
1
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Troubleshooting
Specs
SR105 Power Amplifier
Service Instructions
Page 28
Image 28
FIGURE 18. MAIN CIRCUIT BOARD
PARTS LOCATION DIAGRAM
2038-21525-2
FIGURE 19. FILTER CIRCUIT BOARD
PARTS LOCATION DIAGRAM
Page 27
Page 29
Page 28
Image 28
Page 27
Page 29
Contents
SR105 Power Amplifier
Specifications
Iii
Page
Table of Contents
Page
SR105 Power Amplifier
Description
SR105 Power Amplifier Front Panel
Operating Instructions
General Operating Instructions
Power Requirements
Mounting and Ventilation
Thermal Overload
Input Connections
SR105 Power Amplifier Block Diagram
Output Connections
Direct Output only
Recommended Wire Gauge VS. AMPLIFIER-TO-SPEAKER Distance
AMPLIFIER-TO-SPEAKER Distance Meters
Volt Output
Output Voltage Meter
Basic Operating Hints
Special Operating Instructions
Adding SR105A Amplifiers in a 70-VOLT System Cascaded
Adding Headphone Jack to Speaker Connections
Bridging Connections
Coil
Service Instructions
Printed Circuit Board Removal
Small Signal and Predriver Transistors
Driver Transistors
Output Transistors
Diodes
Diode Bridge Rectifier
Checking Transistors and Diodes
WHT
GRN RED YEL BLK
COM
Service Illustrations
GND
JI J2
Page
RKC37
TB1
TB2
XF1
IRC CEC-TO
RKC53
RKC9
Main Circuit Board Parts Location Diagram
Troubleshooting
General
AC Voltage Measurements
DC Voltage Measurements
Page
SR105 Power Amplifier Circuit Diagram
Page
Condensed Operating Instructions
Architects Andengineers Specifications
Constant Voltage 70-VOLT Speaker Output
