Sony MXD-D400 Service Manual page 81

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