Orban 275A/E Manuals

Manuals and User Guides for Orban 275A/E. We have 1 Orban 275A/E manual available for free PDF download: Operating Manual

Orban 275A/E Operating Manual

Orban 275A/E Operating Manual (57 pages)

Automatic Stereo Synthesizer

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

Table of Contents

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

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Computer Hardware Processor Music Equipment Stereo Equalizer Synthesizer

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