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Rohde & Schwarz CMU200 Service Manual

Rohde & Schwarz CMU200
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CMU Instrument Design and Function Description
1100.4903.82 3.3 E-4
Instrument Frame
The instrument frame consists of front frame, module support, partition, cage and air duct. The module
support is screwed to the front frame. It incorporates the partition, the cage and the air duct and
provides all mechanical connectors and slots for modules. The MOTHERBOARD for electrical
connection of the modules as well as the big fan for cooling the modules are screwed to the instrument
frame.
Rear of Instrument Frame
At the rear of the CMU instrument frame, the power supply with integrated power plug and switch as well
as other important electrical interfaces are fitted (see chapter 1, operating manual).
The power supply unit can be easily replaced.
A further rear panel that is screwed to the frame serves as support for further electrical interfaces and
optional extensions.
Front of Instrument Frame
The front of the instrument frame incorporates the FRONT MODULE, the most important electrical
interfaces as well as the optional FLOPPY DISK or PCMCIA INTERFACE drive.
FRONT MODULE
Electrical interfaces
Loudspeaker
The components of the FRONT MODULE that are directly arranged at
the front of the CMU are the LCD and the operating keys with the
spinwheel.
The operating keys consist of a membrane and a mat inserted into the
keyboard frame of the FRONT MODULE. The operating keys are
colored differently to highlight their function and partly labeled.
This module can be conveniently replaced as a unit.
The beeper with sound outlet on the FRONT MODULE is used for
acoustic prompts and error warnings.
The electrical interfaces are mounted on an extra mounting plate. The
RF interfaces are components of the RF FRONTEND.
A loudspeaker with sound outlets at the labeling panel allows for
acoustic hints for AF signals. It is controlled via the option CMU-B41
AUDIO-GEN. + ANA.

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Rohde & Schwarz CMU200 Specifications

General IconGeneral
BrandRohde & Schwarz
ModelCMU200
CategoryTest Equipment
LanguageEnglish

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