cxd2589q Sony Electronics, cxd2589q Datasheet - Page 52

• Manufacturer Part Number: cxd2589q
• Description: Cd Digital Signal Processor
• Manufacturer: Sony Electronics

4-7. Digital CLV
Fig. 4-8 shows the Block Diagram. Digital CLV outputs MDS error and MDP error signals with PWM, with the
signal sampling frequency increased up to 130kHz during normal-speed playback in CLVS, CLVP and other
modes.
In addition, the digital spindle servo gain is variable.
Digital CLV
KICK, BRAKE, STOP
CLVS U/D
CLVS U/D: Up/down signal from CLVS servo
MDS error: Frequency error for CLVP servo
MDP error: Phase error for CLVP servo
PWMI:
CLV P/S
Spindle drive signal from the microcomputer for CAV servo
LPWR
Fig. 4-8. Block Diagram
Gain
MDS
2/1 MUX
MDS Error
– 52 –
Measure
Over Sampling
Noise Shape
Modulation
Filter-2
Mode Select
MDP
PWMI
CLV P/S
MUX
1/2
Over Sampling
MDP Error
Measure
Filter-1
Gain
MDP
CXD2589Q