Ic Pin Functions - Sony CDP-115 Service Manual

5-6. IC PIN FUNCTIONS
e IC101 Digital Servo & DSP (CXD2515Q)
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Sled drive output (Not used)
Sled drive output
Sled drive output (Not used)
Focus drive output
Focus drive output (Not used)
I
Focus drive output
о Focus drive output (Not used)
VCO output for analog EFM PLL (Not used)
VCO output for analog EFM PLL
TEST pin connected normally to GND
Digital GND
TEST pin connected normally to GND
TEST pin connected normally to GND
Charge-pump output for analog EFM PLL (Not used)
Charge-pump output for variable pitch PLL (Not used)
Clock input from variable pitch external VCO |
= Analog power supply
I Power supply pin for operational amplifiers
= Analog GND
Input pin for A/D converter
Operational amplifier output pin
RF signal input
Tracking error signal input
Sled error signal input
Focus error signal input
Center voltage input pin
Filter output for master PLL
Filter input for master PLL
Charge-pump output for master PLL
Control voltage input for master VCO
Analog GND
EFM signal input
Asymmetry circuit constant current input
Asymmetry comparate voltage input
EFM full swing output