Sony CDX-M50IP Service Manual page 36

CDX-M50IP/MR50IP
Pin No. Pin Name
53 TU_ATTIN
54 BUIN
55 FUNC_SEL
56 DAVN
57 BUSON_A
58 UNISI
59 UNISO
60 UNISCK
61 Z-MUTE
62 NCO
63 FLASH_W
64 SIRCS
65 to 69 NCO
70 DOOR_SW
71 RC_IN1
72 to 74 NCO
75 NOSE_SW
76 OPEN-MUTE
77 RESET
78 NCO
79 XOUT
80 XIN
81 VSS1
82 OSCIN
83 OSCOUT
84 VCC3
85 CYRIL_SEL
86 DEMOSEL
87 NCO
88 SYSRST
89 EJECT_OK_SW
90 NCO
91 CD_ON
92 CDM_ON
93, 94 NCO
95 BUSON
96 TESTIN
97 ILL_IN
98 TELATT
99 ACC_IN
100 ATT
36
I/O
I Tuner mute zero cross detection signal input (CDX-MR50IP only)
I Backup power supply detection signal input
AUX audio input/iPod audio input select control signal output
O
(L: iPod audio input, H: AUX audio input)
RDS data block synchronized detection signal input from RDS receiver IC.
I
(CDX-MR50IP only)
O Bus ON signal output (for iPod)
I SONY-BUS data signal input
O SONY-BUS data signal output
O SONY-BUS clock signal output
I CD zero cross mute detection signal input
O Not used. (Open)
I Memory mode select signal input (Fixed at H in this set)
I Remote control signal input
O Not used. (Open)
I Front panel open/close detection signal input
I Rotary commander shift key signal input
O Not used. (Open)
I Front panel detach detection signal input (L: with panel, H: without panel)
O Mute signal output at during the AUX source mode. (L: other, H: keep)
I Reset signal input
O Not used. (Open)
O Sub-clock signal output (32.768 kHz)
I Sub-clock signal input (32.768 kHz)
— Ground
I Main-clock signal input (18.432 MHz)
O Main-clock signal output (18.432 MHz)
— Power supply pin (+3.3 V)
I CYRIL select signal input (L: non CYRIL)
I Demo select signal input (H: Demo ON)
O Not used. (Open)
O System reset signal output
O Eject OK signal output
O Not used. (Open)
I CD mechanism servo power control request signal input
I CD mechanism deck power control request signal input
O Not used. (Open)
O Bus ON signal output
I Test mode detection signal input (Fixed at H in this set)
I Illumination detection signal input (H: illumination OFF)
I Telephone attenuator detection signal input
I Accessory power supply detection signal input
O Audio mute control signal output
Pin Description