Alto CONTROL30 Service Manual

15+15 band digital equalizer

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Service Manual

Model: CONTROL30

15+15 BAND DIGITAL EQUALIZER

www.altoproaudio.com

Version: 1.1

Summary of Contents for Alto CONTROL30

Page 1 Service Manual Model: CONTROL30 15+15 BAND DIGITAL EQUALIZER www.altoproaudio.com Version: 1.1...
Page 2 CONTENTS 1. Specification 2. Block Diagram 3. Schematic Diagram 4. Printed Circuit Board 5. Wiring Diagram 6. Test Procedure 7. Electrical Parts List 8. Exploded Views & Mechanical Parts List 9. Notes...
Page 3 1. SPECIFICATION (CONTROL30) Analog Input section Inputs: Analog variable gain, 2 XLR-F electronically balanced Input Impedance: 44 kOhms Max. input Level: 15 dBu (4.4V RMS) Sensitivity: -22 dBu (63mV RMS) Analog Output section Outputs: Analog variable gain, 2 XLR-M electronically balanced Output Impedance <150 Ohms...
Page 8 MK31 PCB LAYOUT TOP LAYER TOP SOLDER MASK BOTTOM LAYER BOTTOM SOLDER MASK...
Page 9 TOP SILKSCREEN --------------------------------------------------------------------------- NCDrill File Report For: MK31-EMI.PCB --------------------------------------------------------------------------- Layer Pair : TopLayer to BottomLayer ASCII File : NCDrillOutput.TXT EIA File : NCDrillOutput.DRL Tool Hole Size Hole Count Plated --------------------------------------------------------------------------- 20mil (0.50mm) 24mil (0.60mm) 31mil (0.80mm) 36mil (0.90mm) 138mil (3.50mm) NPTH --------------------------------------------------------------------------- Totals...
Page 10 MK31 排片方式...
Page 11 MK31-FDKB PCB LAYOUT BOTTOM SOLDER MASK BOTTOM LAYER TOP LAYER & TOP SOLDER MASK TOP SILKSCREEN DRILL DRAWING Tool Hole Size Hole Count Plated --------------------------------------------------------------------------- 39mil (1.00mm) 98mil (2.50mm) NPTH 126mil (3.20mm) NPTH --------------------------------------------------------------------------- Totals...
Page 14 Top Layer Top Solder Mask Bottom Layer Bottom Solder...
Page 15 Top Overlay --------------------------------------------------------------------------- Drill Drawing NCDrill File Report For: G2FP1.PCB 13-May-2002 -------------------------------------------------------------------------- Layer Pair : TopLayer to BottomLayer ASCII File : NCDrillOutput.TXT EIA File : NCDrillOutput.DRL Tool Hole Size Hole Count Plated --------------------------------------------------------------------------- 24mil (0.60mm) 31mil (0.80mm) 35mil (0.90mm) 39mil (1.00mm) 87mil (2.20mm) 118mil (3.00mm) 138mil (3.50mm)
Page 22 Test Procedures for CONTROL30,TERMINATOR,ALTOCOMP Amplitude response test On PC: -Load file: control30_amplitude (APWin File menu / Open / Test) Test Connections: -Output A of Audio Precision System Two� input 1 of the device under test. -Output B of Audio Precision System Two� input 2 of the device under test.
Page 23 THD test On PC: -Load file: control30_THD (APWin File menu / Open / Test) Test Connections: -Output A of Audio Precision System Two� input 1 of the device under test. -Output B of Audio Precision System Two� input 2 of the device under test. On the device under test -Turn on the power switch.
Page 24 S/N test On PC: -Load file: control30_SN (APWin File menu / Open / Test) Test Connections: -Output A of Audio Precision System Two� input 1 of the device under test. -Output B of Audio Precision System Two� input 2 of the device under test. On the device under test -Turn on the power switch.
Page 25 Dynamics test On PC: -Load file: control30_dyn (APWin File menu / Open / Test) Test Connections: -Output A of Audio Precision System Two� input 1 of the device under test. -Output B of Audio Precision System Two� input 2 of the device under test. On the device under test -Turn on the power switch.
Page 26: Stability Test
Stability test On PC: -Load file: control30_stability (APWin File menu / Open / Test) Test Connections: -Output A of Audio Precision System Two� input 1 of the device under test. -Output B of Audio Precision System Two� input 2 of the device under test. -Output 1 of the device under test �...
Page 27 �� 歐洲 CONTROL30-ALTO- -230V �� Structure Needing Material Detail List �� Midprod NO Quanity Unit � �� ...
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Alto CONTROL30 Service Manual

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Summary of Contents for Alto CONTROL30

Page 26: Stability Test