Sony MXD-D400 Operating Instructions (primary manual), Руководство по обслуживанию

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81
MXD-D400
Pin No. Pin Name I/O Description
46 CE I Command chip enable signal input terminal Not used
47 EEP-WP O Write protect signal output to the EEPROM
48 XBUSY (MNT2) I Busy signal input from the MD DSP
49
OUTSW I
Detection input from the loading-out detect switch
“L” at a load-out position, others: “H”
50 XLATCH
O Serial data latch pulse signal output to the MD DSP
51 PLAYSW I
Detection input from the playback position detect switch “L” active
52 DRESET O
Reset signal output to the MD DSP and motor/coil drive “L”: reset
53 RECSW I
Detection input from the recording position detect switch “L” active
54 WRPWR
O
Laser power select signal output to the MD DSP and HF module switch circuit
“L”: playback mode, “H”: recording mode
55 LIMITIN
I
Detection input from the sled limit-in detect switch
The optical pick-up is inner position when “L”
Laser modulation select signal output to the HF module switch circuit
Playback power: “H”, Stop: “L”,
Recording power:
56 MOD O
57 LDON O Laser diode on/off control signal output to the automatic power control circuit “H”: laser on
58 SENS I Internal status (SENSE) input from the MD DSP
59 SHOCK (MNT1) I Track jump detection signal input from the MD DSP
60 SDA (EEP) I/O Two-way data bus with the EEPROM
61 REFLECT I
Detection input from the disc reflection rate detect switch
“L”: high reflection rate disc, “H”: low reflection rate disc
62 VCC — Power supply terminal (+3.3V)
63 OPEN — Not used
64 VSS — Ground terminal
65 LOAD LO O Loading motor drive voltage control signal output for the loading motor driver “H” active
66 LOAD IN O MD loading motor drive signal output (load-in direction)
67 LOAD OUT O MD loading motor drive signal output (load-out direction)
68, 69
MODEL0,
MODEL1
I For model setting terminal Not used
70, 71
J/OTHER (SEL0),
J/OTHER (SEL1)
I For destination setting terminal
72 SPDIF_CUT
O Not used
73 to 76 OPEN
— Not used
77 LINEMUTE O
Audio line muting on/off control signal output terminal Not used
78 DA_RESET
O Not used
79 OPEN
— Not used
80 SPDIF_LOCK
I Lock signal input terminal Not used
81 OPTSEL
O Not used
82 ADPDOWN
O Not used
83, 84 OPEN
— Not used
85 to 87 TP1 to TP3
O Not used
88
TOUNLOCK (TP4)
O
Not used
2 sec
0.5 sec