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General| Type | Stereo System |
|---|---|
| Manufacturer | Bang & Olufsen |
| Model | BeoSound Ouverture 2631 |
| Power Output | 2 x 50 W |
| Tuner | FM/AM |
| CD Player | Yes |
| Tape Recorder | Yes |
| Frequency Response | 20 Hz - 20 kHz |
| Inputs | Line in, Phono |
| Outputs | Line out, Headphone |
Illustrates the block diagram for the tuner section.
Shows the block diagram for the tape mechanism.
Presents the block diagram for the CD player section.
Details the block diagram for the system control unit.
Illustrates the block diagram for the power supply unit.
Explains Diagram A, covering the tuner, RF, and IF decoder.
Explains Diagram B, focusing on tape data control.
Details Diagram C for tape AF and AM control.
Explains Diagram D covering AM, Dolby, and type logic.
Details Diagram E for the CD servo motor system.
Explains Diagram F, the CD decoder circuitry.
Details Diagram G for the Master Link interface.
Explains Diagram H for input and selection functions.
Details the RF adjustment procedures.
Covers the adjustment procedures for AM.
Details the adjustment procedures for FM.
Details the adjustment for FM stop level.
Covers mechanical adjustments for the tape recorder.
Explains MP bias adjustments.
Explains how to adjust focus offset.
Explains how to perform the FM offset adjustment.
Explains height and azimuth adjustments for the tape head.
Details bias adjustments for recording.
Details recording current adjustments for Cr.
Details height and tape guide adjustments.
Covers HX filter adjustments.
Covers recording current adjustments for MP.
Describes azimuth adjustment for side 1 of the tape head.
Explains bias filter adjustments.
Explains automatic record level adjustments.
Describes azimuth adjustment for side 2 of the tape head.
Details Cr bias adjustments.
Covers electrical adjustments for the CD section.
Covers Fe bias adjustments.
Details laser current adjustments.
Covers electrical adjustments for the tape recorder.
Explains noise reduction adjustments.
Describes speed adjustment for the tape recorder.
Details how to adjust playback level.
Describes how to check the laser supply.
Instructions for dismantling PCB under tape transport mechanism.
Steps for replacing the CD transport mechanism.
Instructions for removing the gearbox for the CD clamp.
Steps to remove the tape recorder transport mechanism.
Describes the available test functions.
Steps for service program of the CD section.
Instructions for performing the insulation test.
Important safety note regarding insulation testing.
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