– 35 –Pin No. Pin Name I/O Function
50 SO O Serial data output to the SONY bus interface (IC204)
51 SQCLK O Subcode Q data reading clock signal output to the CXD2530Q (IC101)
52 SUBQ I Subcode Q data input from the CXD2530Q (IC101)
53 — O Not used (open)
54 — I Not used (fixed at “H”)
55 MGLK I Magazine eject operation completion detect switch (SW301) input terminal
“L”: eject completed
56 SCOR I Subcode sync (S0+S1) detection signal input from the CXD2530Q (IC101)
57 SENS2 I Internal status signal (sense signal) input from the CXA1992AR (IC11)
58 PWM O Motor drive signal (elevator up direction) output to the elevator motor drive (IC301)
“L” active *2
59 — O Not used (open)
60 MAG.SW I Magazine in/out detect switch (SW302) input terminal “L”: magazine detected
61 BUCHECK I Battery detection signal input terminal “H”: battery on
62 W.UP I Bus on or eject switch (SW303) input terminal “H”: bus on or eject switch pushing
63 C.OUT I Track number count signal input from the CXA1992AR (IC11)
64 EEDATA I/O Two-way data bus with the EEPROM Not used (open)
65 EECLK O Serial clock signal output to the EEPROM Not used (open)
66 EEINIT I Initialize signal input for the EEPROM “H”: format Fixed at “L” in this set
67 — O Not used (open)
68 SINGLE I Setting terminal for the single disc/multiple discs mode
“L”: single mode, “H”: multiple discs mode (fixed at “H”)
69 FOK I Focus OK signal input from the CXA1992AR (IC11) “L”: NG, “H”: OK
70 GFS I Guard frame sync signal input from the CXD2530Q (IC101) “L”: NG, “H”: OK
71 SENS1 I Internal status signal (sense signal) input from the CXD2530Q (IC101)
72 VDD — Power supply terminal (+5V)
73 NC (VDD) — Connected to the power supply (+5V)
74 CDCLK O Serial data transfer clock signal output to the CXD2530Q (IC101)
75 CDXLT O Serial data latch pulse signal output to the CXD2530Q (IC101)
76 CDDATA O Serial data output to the CXD2530Q (IC101)
77 to 80 — O Not used (open)
*1 chucking motor (M103) control
CH.F (pin 9) “L” “H” “L” “H”
CH.R (pin 8) “L” “L” “H” “H”
STOP LOAD
CHUCKING SAVE BRAKE
Mode
Terminal
*2 elevator motor (M104) control
PWM (pin %•) “H” “L” “H” “L”
ELV.R (pin !¡) “H” “H” “L” “L”
STOP ELEVATOR
UP ELEVATOR
DOWN BRAKE
Mode
Terminal