89
HCD-PX333
Pin No. Pin Name I/O Description
53 IN-SW I Detection input from the tray open/close detect switch (S1) “L”: when tray is close
54 LOD POS OCD loading motor (M201) control signal output to the motor driver IC (IC1102)
“L” active *1
55 LOD NEG O CD loading motor (M201) control signal output to the motor driver IC (IC1102)
“L” active *1
56 CLP POS O Motor control signal output to the motor driver IC “L” active Not used (open)
57 CLP NEG OMotor control signal output to the motor driver IC “L” active Not used (open)
58 BVDD —Power supply terminal (+5V) (for digital system)
59 BVSS —Ground terminal (for digital system)
60 to 73 NC ONot used (open)
74 AVDD —Power supply terminal (+5V)
75 AVSS —Ground terminal
76 AVREF I Reference voltage (+5V) input terminal
77 to 80 KEY0 to KEY3 I Key input terminal (A/D input) Not used (fixed at “H”)
81 to 83 SEL0 to SEL2 I Model destination setting terminal (A/D input)
84 TEL I Tracking error level detection input terminal Not used (open)
85 SEL3 I Model (CD mechanism deck) destination setting terminal (A/D input)
86 DISC-SENS I Detection input from the disc in detect sensor (A/D input) “H”: disc in Not used (open)
87 MECHA-JIGU INot used (open)
88 ADJ I Setting terminal for the CD test mode “L”: CD test mode Normally: fixed at “H”
89 I2CHELP IBusy signal input for the IIC bus
90 I2CHELP IBusy signal input for the IIC bus
91 SCOR ISubcode sync (S0+S1) detection signal input from the CD block
92 NC O Not used (open)
93 AC-CUT IPower off signal input from the system controller (IC501)
94, 95 JOG0, JOG1 IRotary encoder jog dial pulse input terminal Not used (fixed at “L”)
96 NC O Not used (open)
97 LEDLAT O Serial data latch pulse output to a FL driver Not used
98 DRVCS IChip select signal output to a FL driver Not used
99 DRVRST IReset signal output to a FL driver “L”: reset Not used
100 GND —Ground terminal
*1 Loading motor (M201) control
Mode
Terminal
LOD NEG (pin tg)“L”“H”“L”“H”
LOD POS (pin tf)“H”“L”“L”“H”
LOADING EJECT BRAKE RUN IDLE