Sony CDX-M600 Service Manual page 38

Pin No. Pin Name
54 VCC
55 ST-BY
56 NS MASK
57 (REEL)
58 CD EJECTOK
59 CD OPENREQ
60 – 62 (POS0 – 2)
63 VSS
64 (POS3)
65 PWM
66 (LMLOD)
67 (CM-ON)
68 (TAPEON)
69 FLASH-W
70 I2CSIO
71 I2CCKO
72 RC IN1
73 X1A
74 X0A
75 DAVN
76 CDON-IN
77 BU IN
78 DSPREADY
79 KEY ACK
80 ADON
81 ACCIN
82 FLSW PWON
83 PW ON
84 TESTIN
85 RAM BU
86 HSTX
87 MD2
88, 89 MD1, 0
90 RSTX
91 VSS
92 X0
93 X1
94 VCC
95 ILL IN
96 I-DET
97 MOT–
98 MOT+
99 CLOSESW
100 OPENSW
101 – 103 SCODE0 – 2
104 DSTSETTING1
105 DSTSETTING2
106 BOOT
107 (NCO)
108 DSPON
109 (NCO)
110 EMPH-IN
111 (PACKSW)
38
I/O
— Power supply pin (+5 V)
O Power amplifier drive output
O Noise detection output
I Tape rotation detection input (Fixed at "L" in this set.)
O CD eject control output (Not used in this set.)
I Front panel open request input
I Mechanism deck position detection input (Fixed at "L" in this set.)
— Ground
I Mechanism deck position detection input (Fixed at "L" in this set.)
I Oscillation frequency count input
O Loading motor control output (Loading direction) (Not used in this set.)
O Capstan motor drive power supply output (Not used in this set.)
O Tape drive power supply output (Not used in this set.)
I Flash write input
2
I/O I C BUS serial data input/output
O I 2 C BUS serial clock output
I Rotary commander input 1
O Sub ceramic oscillator output (32 kHz)
I Sub ceramic oscillator input (32 kHz)
I RDS IC data acquisition detection input
I CD mechanism power control input (Not used in this set.)
I Backup power detection input
I Digital signal processor ready input (Not used in this set.)
I Key input acknowledge
O Power control output of A/D converter.
I Accessory key ON input
O Flash power ON output
O System power control output
I Test mode initial setting detection input
I RAM reset detection input
I Hardware standby input (Connect to pin o; (RSTX).)
I Operation mode input (Connect to ground in this set.)
I Operation mode input (Connect to VCC in this set.)
I Reset input
— Ground
I Main ceramic oscillator input (3.68 MHz)
O Main ceramic oscillator output (3.68 MHz)
— Power supply pin (+5 V)
I Illumination control input
I Front panel OPEN/CLOSE motor current abnormal detection input
O Front panel OPEN/CLOSE motor control output (– direction)
O Front panel OPEN/CLOSE motor control output (+ direction)
I Front panel CLOSE detection switch input
I Front panel OPEN detection switch input
I Security code setting port 0 – 2 (Fixed at "L" (M600/M650))
I Destination setting port (Fixed at "L" (TYPE1, 2/M600/M650), "H" (TYPE3).)
I Destination setting port (Fixed at "L" (TYPE1/M600/M650), "H" (TYPE2, 3).)
O Display micon write control output
I Not used. (Open)
O Digital signal processor power control output (Not used in this set.)
O Not used. (Open)
I Emphasis input (Not used in this set.)
I Tape with/without detection input (Not used. (Fixed at "L" in this set.))
Pin Description