Pioneer CLD-V2800 CLD-V8000 User's Manual31178843 - Page 78

Player control block, Appendix C

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CLD-V2800 Internal Player Controls Character Generator The CLD-V2800 can generate character signals to be superimposed on the video signals displayed by the player. Character data is sent from the command processor to the character generator. The CLD-V2800 can generate characters on Lines 0-9, ten lines with up to 20 characters each. Status display LED The CLD-V2800 has a display window that provides status information. LED Driver The LED driver turns on the LED indicators. 2) Player control block The player control block analyzes player control commands received from the command processor of the communication control block and executes them to control the player accordingly. Servo Control Unit This unit communicates with the digital servo unit and controls player processing. Video Control Unit This unit analyzes video control commands received from the communication control block to control output video signals. Audio Control Unit This unit analyzes audio control commands received from the communication control block to control output audio signals. Focus Servo Unit* This unit controls the focus servo mechanism. Tracking Servo Unit This unit controls the tracking servo mechanism. Slider Servo Unit This unit controls the slider servo mechanism. Spindle Servo Unit This unit controls the spindle servo mechanism. (See Player Control Block diagram on next page.) * A servo unit constantly takes readings for focus, tracking, spindle operations, etc, and provides information to the player so it can make appropriate adjustments. C-2 TP 120 v. 1.0 • 10/95 Appendix C CLD-V2800 Internal Player Controls

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Character Generator
The CLD-V2800 can generate character signals to be superimposed on the
video signals displayed by the player.
Character data is sent from the
command processor to the character generator.
The CLD-V2800 can generate
characters on Lines 0-9, ten lines with up to 20 characters each.
Status display LED
The CLD-V2800 has a display window that provides status information.
LED Driver
The LED driver turns on the LED indicators.
2) Player control block
The player control block analyzes player control commands received from the
command processor of the communication control block and executes them to control
the player accordingly.
Servo Control Unit
This unit communicates with the digital servo unit and controls player
processing.
Video Control Unit
This unit analyzes video control commands received from the communication
control block to control output video signals.
Audio Control Unit
This unit analyzes audio control commands received from the communication
control block to control output audio signals.
Focus Servo Unit*
This unit controls the focus servo mechanism.
Tracking Servo Unit
This unit controls the tracking servo mechanism.
Slider Servo Unit
This unit controls the slider servo mechanism.
Spindle Servo Unit
This unit controls the spindle servo mechanism.
(See Player Control Block diagram on next page.)
CLD-V2800 Internal Player Controls
C-2
TP 120
v. 1.0
• 10/95
Appendix C
CLD-V2800 Internal Player Controls
* A
servo unit
constantly takes readings for focus, tracking, spindle operations, etc, and provides
information to the player so it can make appropriate adjustments.