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General| Brand | Bang & Olufsen |
|---|---|
| Model | BeoMaster 1900 type 2903 |
| Category | Stereo Receiver |
| Language | English |
Detailed technical data for amplifier and FM tuner sections.
Includes power supply, consumption, dimensions, and weight.
Conditions for accurate measurements on diagrams.
Identification of test points and their expected signal levels.
List of all transistors and integrated circuits used.
List of all diodes used in the device.
Comprehensive list of all mechanical and electrical parts.
Specific electrical components with part numbers and values.
Schematic for the tuner and FM sections.
Schematic for amplifier stages and control circuits.
Visual layout of components for assembly.
Procedures for 15V supply, no-signal current, and tuning voltage.
Steps for calibrating the VHF tuner and detector circuits.
Procedures for adjusting balance lights and signal levels.
General description of the system and standby mode operation.
How program selection and control circuits function.
Operation of muting, fault detection, and volume control.
Function of the DAC and preset volume settings.
Detailed explanation of volume regulation and muting control.
Notes on modifications and adjustments for tuning voltage.
Advice for improving sensitivity by adjusting voltage levels.
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