Sony HCD-MD5, Руководство по обслуживанию, Страница: 66 / 101

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Pin No. Pin Name I/O Function
45 MD FAN O Air-cooling fan control output
46 ST.MUTE O ST MUTE output
47 ST CE O CE output to LC72130
48 COM CLK O CLOCK output to the LC72130.
49 ST DI I Data input from the LC72130.
50 COM DO O Data output to the LC72130.
51 GEQ-LAT O Latch output to the M62427.
52 GND I
53 GND I
Not used (Connected to ground).
54 RDS. DATA I Data input from the SAA6579
55 AUB OUT O Audio bus output
56 JOG.ENCB I JOG B pin input
57 VOL.ENCB I VOL B pin input
58 SIRCS I Remote control input
59 BACK-UP I AC off detect input
60 RESET.B I Reset input
61 AUB IN I AU bus input
62 — O Not used (Open).
63 RDS. CLK I/O CLOCK input from the SAA6579
64 Y-CLK I/O Communication with the CD microprocessor (Clock input/output)
65 Y-BUSY I/O Communication with the CD microprocessor (Busy input/output)
66 JOG.ENCA I JOG A pin input
67 VOL.ENCA I VOL A pin input
68 VDD — Power supply (+5V)
69 OSCO5M —
70 OSCI5M —
Main clock. 5 MHz (ceramic)
71 IC — Connected to GND.
72 OSCO32K —
73 OSCI32K —
Subclock. 32.768 kHz (crystal)
74 AVDD — Analog power supply of the AD converter 5V
75 AVREFF — Reference voltage input of the AD converter 5V
76 KEY0 I
77 KEY1 I Key input (for AD use)
78 KEY2 I
79 — O
80 — O
Not used (Open).