Pioneer CLD-V2400 Programmer's Reference Manual page 133

CLD-V2600 & CLD-V2400 Internal Player Controls
RS-232C Buffer Unit
The RS-232C buffer unit receives input from the 15-pin D-SUB connector on
the rear panel. The unit consists of an input command data buffer and an
output status data buffer.
Character Generator
Thboth the CLD-V2600 & the CLD-V2400 can generate character signals to be
superimposed on the video signals displayed by the players. Character data is
sent from command processors to the character generator.
Status display LED
The CLD-V2400 player has four LED status display indicators on the front
pane. The CLD-V2600 has a display window that provides status information.
See Section 2.1 Player Indicators for details.
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.
* A servo unit constantly takes readings for focus, tracking, spindle operations, etc, and provides
information to the player so it can make appropriate adjustments.
H-2
TP 117
(See Player Control Block diagram on next page.)
Appendix H CLD-V2400 Internal Player Controls
v. 2.0 • 12/93