Sony CDX-RA700 Service Manual page 43

Pin No. Pin Name
56 DAVN
57 NCO
58 UNISI
59 UNISO
60 UNI CKO
61 to 63 NCO
64 SIRCS
65 NCO
66 FSW OUT
67 DISP FLASH W
68 FLASH W
69 NCO
70 SYNCHRO SW
71 RCIN1
72 ACCIN
73 TESTIN
74 TEL ATT
75 ILLIN
76 XKEYON
77 RESET
78 OPEN REQ
79 XIN
80 XOUT
81 VSS1
82 OSC OUT
83 OSC IN
84 VCC3
85 DEMO SEL
86 ATT
87 BUSON
88 SYSRST
89 EJECT OK SW
90 NCO
91 CDON
92 CDMON
93 Z-MUTE
94, 95 NCO
96 KIRIL SEL
97 MON
98 MOTOR+
99 MOTOR–
100 MSW
I/O
I RDS data block synchronized detect signal input (RA650 only)
O Not used. (Open)
I SONY bus data signal input
O SONY bus data signal output
O SONY bus clock signal output
O Not used. (Open)
I Remote control signal input
O Not used. (Open)
O DC-DC converter oscillator frequency count signal output
I Display flash write signal input
I Memory mode select signal input
O Not used. (Open)
Synchro CD door open/close detect signal input
I
L: CD door close, H: CD door open
I Rotary commander shift key signal input
I Accessory power supply detect signal input
I Test mode detect signal input
I Telephone attenuate detect signal input
I Auto dimmer illumination detect signal input
O A/D converter power supply control signal output
I CPU reset signal input
I Mechanism open request signal input
I Sub-clock input (32.768 kHz)
O Sub-clock output (32.768 kHz)
— Ground pin
O Main-clock output (18.432 MHz)
I Main-clock input (18.432 MHz)
— Power supply pin (+3.3 V)
I DEMO select signal input
O Audio mute control signal output
O Bus on signal output
O System reset signal output
O Eject OK signal output
O Not used. (Open)
I CD mechanism power control request signal input
I CD mechanism deck power control request signal input
I CD zero cross mute detect signal input
O Not used. (Open)
I KIRIL select signal input
O Motor driver IC control signal output
O Motor control signal output (+)
O Motor control signal output (–)
Drive block detect switch active signal input
I
L: drive block detect switch on
CDX-RA650/RA700/RA750
Pin Description
H: Ill off
H: drive block detect switch off
43