Sony MDS-NT1 Service Manual page 56

MDS-NT1
Pin No. Pin Name
50 PLAY-SW
51 XLATCH
52 SCL
53 OUT-SW
54 XBUSY
55 SHOCK
56 EEP-WP
57 SDA
58 REFLECT
59 PROTECT SW
60 VCC
61 EEPNET-WP
62 VSS
63 LD-LOW
64 LOAD OUT
65 LOAD OUT
66 to 69 TEST
70 to 72 NC
73 NETMD_INT
74 NETMD_XCS
75 NETMD_RESET
76 NETMD_PLLSW
77 NETMD_VBUS
78, 79 NC
80 LED4
81, 82 LED3, 2
83 FLCS
84 LED1
85
JOG0
86 JOG1
87 IOP
88
SEL1
89
SEL0
90, 91 NC
92 KEY2
93 KEY1
94 AVSS
95 KEY0
96
VREF
97 AVCC
98 NC
99 FLDT
100 FLCK
56
I/O
I
Detection input from the playback position detect switch "L": active
O Serial data latch pulse signal output to the mechanism deck section
O
Serial clock signal output to the EEPROM
Detection signal input from the loading-out detect switch (S103)
I
"L" at a load-out position, others: "H"
I Busy monitor signal input from the mechanism deck section
I
Track jump detection signal input from the mechanism deck section
O
Writing protect signal output to the EEPROM
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
REC-proof claw detection signal input from the protect detect switch
I
"H": write protect
— Power supply terminal (+3.3V)
— Not used
— Ground terminal
O Loading motor drive voltage control signal output terminal "H" active
O
Loading motor control signal (load-in direction) output terminal "H" at a load-in
O
Loading motor control signal (eject direction) output terminal "H" at a eject
I Test input terminal Not used
— Not used
I Interrupt status input from the USB interface IC
O
Chip select signal output to the USB interface IC
O Reset signal output to the USB interface IC "L": reset
O PLL function on/off control signal output to the USB interface IC "L": PLL on
I
USB connect detection signal input terminal "H": USB on
— Not used
O
LED drive signal output terminal Not used
O LED drive signal output terminal
— Not used
O
LED drive signal output terminal
I Jog dial pulse input terminal Not used
I Jog dial pulse input terminal Not used
— Not used
I Destination setting terminal
I Model setting terminal
— Not used
I
key input terminal Not used
I B/> key input terminal
— Ground terminal
I x/Z key input terminal
I Reference voltage (+3.3V) input terminal
— Power supply terminal (+3.3V)
— Not used
— Not used
— Not used
Description