Studer A727 Service Manual

Name: Studer A727
Brand: Studer
Rating: 4 (1 reviews)

170 pages

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Handling MOS Components4
Safety and First Aid6
First Aid6
General45
Control Elements45
Pin Assignment46
Line Outputs46
XLR Sockets46
Remote Control Sockets46
Start-Up Procedure47
Inserting the Compact Disc47
Display Panel47
Load47
Primary Functions48
Play48
Forward48
Pause48
Secondary Functions49
Index Scan49
Previous49
Elapsed Disc Time49
Review Start50
Review End50
Phones50
Cueing50
Modulation Start51
Fader Start51
Varispeed51
Options52
A727 Monitor52
Parallel Remote52
Parallel Controller53
Technical Appendix54
Digital Outputs54
Digital Data Format54
Subframe54
Aux55
Audio Sample Word55
Validity Flag55
U-Channel55
Setting the Program Switches56
Care of the CD Play Mechanism56
Decoder Board56
Servo Board56
Disassembly57
General Information57
Required Tools57
Reassembly57
Housing58
Top Cover58
Play Mechanism Cover58
Control Panel59
LC Display59
Keyboard PCB59
Headphones Socket59
CD Play Mechanism60
Replacing the CD Play Mechanism60
CD Drawer60
Drawer Motor60
Electrical Assemblies61
Transformer61
Cannon Connector62
Sync Board62
Line Amplifier Board62
LCD Board63
Primary Fuse63
Secondary Fuses63
Bottom Cover64
Monitor Board64
Functional Description65
Supply Voltage Control66
Digital Signal Processing66
Digital Filtering67
Digital/Analog Conversion67
Level Adjustment and Headphones Gain67
Microprocessor System68
Internal I/O Parts68
Signal Processor69
Disc Motor Control69
Radial Control69
External I/O Ports69
Focus Control70
Automatic Gain Control70
Parallel Remote Control70
Seial Remote Port70
CD-Drive Board71
Laser Current Control71
RF Signal Amplification71
Master/Slave Synchronization72
Start on Modulation72
Alignment73
Required Measuring Instruments73
Test Points74
Preparatoy Steps74
Alignments77
Checking the Optical Laser System77
Correcting the Optical Laser System77
Adjusting the Laser Current78
Height Adjustment of the Disc Motor78
Radial Offset Alignment78
Aligning the Power Amplifier of the Radial Control78
Adjusting the Output Level of the LINE Amplifier79
Measuring the Audio Data80
Harmonic Distortion80
Output Level and Channel Balance80
Frequency Response80
Signal-To-Noise Ration81
Phase Linearity81

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Studer A727 Specifications

General

Brand	Studer
Model	A727
Category	CD Player
Language	English

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Studer A727 Service Manual

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Studer A727 Specifications

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