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CP-520/520A/520F Service Manual
DTV R&D Europe
23
· FM overmodulation adaptation option to avoid clipping and distortion
Audio Multi Channel Decoder (stereo versions with Audio DSP)
· Dolby® Pro Logic® (DPL) (1)
· Five channel processing for Main Left and Right, Subwoofer, Centre and Surround. To exploit
this feature an external DAC is required.
Volume and tone control for loudspeakers (stereo versions with Audio DSP)
· Automatic Volume Level (AVL) control
· Smooth volume control
· Master volume control
· Soft-mute
· Loudness
· Bass, Treble
· Dynamic Bass Boost (DBB) (2)
· Dynamic Virtual Bass (DVB) (3)
· BBE® Sound processing (4)
· Graphic equalizer
· Processed or non processed subwoofer
· Programmable beeper
Reflection and delay for loudspeaker channels (stereo versions with Audio DSP)
· Dolby® Pro Logic® Delay (1)
· Pseudo hall/matrix function
Psycho acoustic spatial algorithms, downmix and split in loudspeaker channels (stereo
versions with Audio DSP)
· Extended Pseudo Stereo (EPS) (5)
· Extended Spatial Stereo (ESS) (6)
· Virtual Dolby® Surround (VDS 422,423) (1)
· SRS 3D and SRS TruSurround® (4)
RDS/RBDS
· Demodulation of the European Radio Data system (RDS) or the USA Radio Broadcast Data
System (RBDS) signal
· RDS and RBDS block detection
· Error detection and correction
· Fast block synchronisation
· Synchronisation control (flywheel)
· Mode control for RDS/RBDS processing
· Different RDS/RBDS block information output modes
m-Controller
· 80C51 m-controller core standard instruction set and timing
· 0.4883 ms machine cycle
· maximum of 256k x 8-bit flash programmable ROM
· maximum of 8k x 8-bit Auxiliary RAM
· 12-level Interrupt controller for individual enable/disable with two level priority
· Two 16-bit Timer/Counter registers
· One 24-bit Timer (16-bit timer with 8-bit Pre-scaler)
· WatchDog timer
· Auxiliary RAM page pointer
· 16-bit Data pointer
· Stand-by, Idle and Power Down modes
· 24 general I/O
· 14 bits PWM for Voltage Synthesis Tuning
· 8-bit A/D converter with 4 multiplexed inputs