Orban 275A Manuals

Manuals and User Guides for Orban 275A. We have 3 Orban 275A manuals available for free PDF download: Operating Instructions Manual, Operating Manual, Appendix

Orban 275A Operating Manual (57 pages)

Automatic Stereo Synthesizer

Brand: Orban | Category: Synthesizer | Size: 1.52 MB

Table of Contents
7
And Application
10
Section Installation
15
AC Power
15
Program Tests
15
Operating
15
Diagram
17
Diagram
19
Instructions
25
- Maintenance
  33
- Introduction
  33
Preventive Maintenance
33
- Service Access
  33
- Component Replacement
  34
- Troubleshooting IC Opamps
  36
Factory Service
36
Shipping Instructions
37
- General
  38
Power Supply
38
Signal Processing Circuitry
38
- Audio Path Alignment and Verification
  39
  - Synthesize Mode
    40
  - Control Circuit Bandpass Filter
    42
    
    Performance Verification
    42
    
    Bandpass Filter Response
    42
  - Automatic Recognition Circuit Tests
    42
  - 275A/Rc
    43
SECTION 6S CIRCUIT DESCRIPTION
46
Appendix
46
Main Audio Path
46
Input Buffer
46
Stereo Synthesizer
46
L+R Peak Detector
49
Mono/Stereo Recognition
50
Single Channel Recognition
50
Center Channel Recognition
51
Control Logic
52
Comb Bandwidth
52
Noise Reduction
52
Auto Polarity ON/OFF
53
Basic Mode Switching
53
Input Decode and Latches
53
Pulse/Continuous Logic
54
User Interface Status Sensor
54
Crossfade Ramp Generator
55
Latch and Left/Right
55
Active Status Lamps
56
Automation Lockout Circuit
56
Remote Control
56
Power Supply
56

Orban 275A Operating Instructions Manual (57 pages)

automatic stereo synthesizer

Brand: Orban | Category: Synthesizer | Size: 3.99 MB

Orban 275A Appendix (27 pages)

Automatic stereo synthesizer

Brand: Orban | Category: Synthesizer | Size: 2.97 MB

Orban Categories

Computer Hardware Processor Music Equipment Stereo Equalizer Synthesizer

More Orban Manuals

Orban 275A Manuals

Orban 275A Operating Manual (57 pages)

Table of Contents

Orban 275A Operating Instructions Manual (57 pages)

Orban 275A Appendix (27 pages)

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