Shure SR105 Manuel de service Page 4

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SR109
Professional Mixer
TABLE OF CONTENTS
Section
Page
Section
Page
SPECIFICATIONS
.............................
ii.
iii
SERVICE INSTRUCTIONS
DESCRIPTION
...................................
1 Mixer Service 14
..................................
OPERATING INSTRUCTIONS
Functional Identification
.........................
3
...................
General Operating Instructions 3
........................
Mounting and Ventilation 4
..................................
Power Supply 5
Functional Circuit Description
....................
6
Inputchannels
.................................
6
Monitor Mixer System
...........................
6
..........................
Program Mix Amplifier 7
Link Jacks
....................................
7
Program Output
...............................
7
...............................
VU Meter Circuit 7
Limiter
.......................................
8
Tone Oscillator
................................
8
Basic Operating Hints
..........................
8
.
SPECIAL OPERATING INSTRUCTIONS
High-Impedance Microphones
....................
9
Musical Instruments
............................
9
................................
Tape Recording 9
Record Playback
...............................
10
Tape Playback
.................................
11
Additional Mixer Inputs
.........................
11
Additional Mixer Inputs (Two SRlO9s)
............
12
Redundant Mixer Set-up (Two
SRIO9s)
............
12
Stereo Operation
...............................
12
Remote Volume Control
.........................
13
Telephone Line Surge Protection
.................
14
Replacement Parts
.............................
14
Fuse Replacement
.............................
14
Knob Replacement
.............................
14
Service Access
................................
14
Lamp Replacement
.............................
14
Board Removal
................................
15
Limiter Internal Adjustment
......................
16
Overload Indicator Check
.......................
16
VU Meter Removal
.............................
16
VU Meter Calibration
...........................
16
Parts Removal
.................................
17
Transistor and Diode Removal
....................
17
Active Component Checking
.....................
17
Service Illustrations
............................
18
Optional Accessories
...........................
18
......................
REPLACEMENT PARTS LIST 19
NOTES TO CIRCUIT DIAGRAM
.......................................
General 29
Troubleshooting
...............................
29
Ac Voltage Measurements
.......................
29
Dc Voltage Measurements
.......................
30
Resistance Measurements
.......................
30
..........
CONDENSED OPERATING INSTRUCTIONS 35
ARCHITECTS' AND ENGINEERS' SPECIFICATIONS
. .
35
....................................
GUARANTEE 35
........................
SHIPPING INSTRUCTIONS 35
SR109
Professional Mixer
LlST OF ILLUSTRATIONS
Figure Page
.........
1 SR109 Professional Mixer Front Panel 2
..........
2 SR109 Professional Mixer Rear Panel 2
3 Overall Dimensions
........................
5
4 Block Diagram
.............................
5
............
5 SR110 Monitor Mixer Applications 7
6
Tone Oscillator Applications
................
8
7 Preamplifier-Mixer Connections
..............
9
8 Tape Recording
............................
10
9 Record Playback
...........................
10
10 Tape Playback
.............................
11
11 Additional Mixer Inputs
.....................
11
12 Additional Inputs: Two
SRIO9s
...............
12
Figure Page
..........................
13 Redundant Mixers 13
......................
14 Stereo Tape Recording 13
15 Remote Volume Control
.....................
13
.......
16 Printed Circuit Board and Parts Location 16
17 Opto-Isolator Test
..........................
17
18 Board
1: Preamplifier
......................
24
19 Board 2: Channel Equalizer
................
25
20 Board 3: Main Board
......................
26
21 Board 9: Power Supply
....................
27
22 Board
0: Program Mute
....................
27
23 Lead Codes
...............................
29
......
24 SR109-2E Power Supply Circuit Diagram 30
..
25 SR109 Professional Mixer Circuit Diagram .3 2-33
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