Sony HCD-VX3A Service Manual page 53

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Pin Name I/O
TE I Tracking error signal input
CE I Center servo analog input
RFDC I RF signal input
ADI0 O Test pin (Not used)
AVSS0 — Analog ground
IGEN I Power supply pin operational amplifiers
AVDD — Analog power supply
ASYO O EFM full swing output
ASYI I Asymmetry comparate voltage input
RFAC I EFM signal input
AVSS1 — Analog ground
CLTV I Control voltage input for master VCO
FILO O Filter output for master PLL
FILI I Filter input for master PLL
PCO O Charge-pump output for master PLL
AVDD1 — Analog power supply
BIAS I Asymmetry circuit constant current input
VCTL I Control voltage input for variable pitch PLL
V16M I/O 16.9344MHz output (Not used)
VPCO O Charge-pump output for variable pitch PLL (Not used)
DVDD2 — Digital power supply
ASYE I Asymmetry circuit ON/OFF
MD2 I Digital-out ON/OFF control
DOUT O Digital-out output
LRCK O 48-bit slot D/A interface, LR clock output
PCMD O 48-bit slot D/A interface, Serial deta output
BCLK O 48-bit slot D/A interface, bit clock output
EMPH O Playback disc output in emphasis mode (Not used)
XTSL I X'tal selection input pin
DVSS2 — Digital ground
XTAI I X'tal oscillator circuit input
XTAO O X'tal oscillator circuit output (Not used)
SOUT O (Not used)
SOCK O (Not used)
XOCT O (Not used)
SQSO O Sub-Q serial output
SQCK I Clock input for SQSO read-out
SCSY I Sub-code input
SBSO O Sub-P through Sub-W serial output (Not used)
EXCR I Clock input for SBSO read-out
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Function
53