dbx 3BX III Manuals

dbx 3BX III Manuals

Manuals and User Guides for dbx 3BX III. We have 1 dbx 3BX III manual available for free PDF download: Service Manual

dbx 3BX III Service Manual

dbx 3BX III Service Manual (37 pages)

Three-Band Dynamic-Range Expander with Impact Restoration

Brand: dbx | Category: Stereo System | Size: 17.13 MB

Table of Contents

Table of Contents

3
- SPECIFICATIONS (Performance Minimums)
  
  4
- Circuit Description
  
  5
  - Schematic Conventions
    5
  - Signal Path
    5
  - Control-Voltage (CV) Path
    7
    
    High-Band CV Path
    9
    
    Low-Band CV Path
    11
    
    MID-Band CV Path
    11
  - Led Displays
    11
  - POWER SUPPLY and MUTE GENERATOR
    12
- Alignment Procedure
  
  13
  - Instruments Required
    13
  - INSPECTION and WARMUP
    13
  - Power-Supply Tests
    13
  - Control-Circuitry Tests
    13
Verify that no more than

14
- 000 MV DC
  15
- 100 MV
  15
  - Vca-Symmetry Adjustments
    16
  - Vca-Gain Adjustments
    17
  - Performance Tests
    18
- Input Level
  15
- MV ±50 MV
  15
- Reduce the Oscillator's Output Level in 10 Db Steps and
  15
- Verify that no more than
  15
- Model 3Bx III Printed Circuit Board Assembly
  
  24
- Model 3Bx III Main Assembly
  
  29

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