The power supply, The video processor – Mark Levinson Media Player N51 User Manual

Page 5

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it from the audio section and other sections of

the player. The damper bridge is machined

from solid aluminum, increasing mass and

rigidity, thus helping to eliminate flexure

from day-to-day operation and promoting sta-

bility in the physical mechanism. All of these

design attributes work in concert to provide

smooth, quiet, and consistent transport oper-

ation.

The Power Supply

The power supply is the foundation upon

which the audio and video signals are built.

The analog audio outputs utilize a dedicated

power system. This consists of a custom

designed low-noise, toroidal transformer, a

secondary analog power section which per-

forms the first stage of regulation and filter-

ing, followed by a final stage of local regula-

tion in the output section itself.

Power to the digital audio and video sections

is provided by a switch-mode power supply

that delivers a single constant voltage. This is

distributed to local modules where it is con-

verted to the voltages required for each indi-

vidual circuit. This “point of load” power dis-

tribution technique prevents unwanted inter-

actions caused by uneven supply during peri-

ods of high demand from any single circuit.

Another advantage is the efficient distribu-

tion of power reducing thermal dissipation

and providing a more stable operating envi-

ronment.

The Video Processor

The Nº51 provides the video performance

and flexibility that one would expect from a

Mark Levinson Media Player. Custom cali-

brated scaling and de-interlacing are provided

with support for resolutions up to 720p and

1080i. Other features include aspect ratio

5

Interior view of the Nº51 displaying

the cast aluminum transport assembly.

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