Sony MXD-D4, Service Manual

Page: 75 / 94

75
Pin No. Pin Name I/O Description
45 SPDL MUTE O Spindle motor muting control signal output to the CD block
46 NC — Not used (fixed at “H” in this set)
47 to 51 NC — Not used (open)
52 LED RECMODE O LED on/off control signal output terminal Not used (open)
53 LED DATA O LED control serial data output terminal Not used (open)
54 LED CLK O LED control serial data transfer clock signal output terminal Not used (open)
55 XLED STB O LED control strobe signal output terminal Not used (open)
56 to 60 NC — Not used (open)
61 DISP RSET O Reset signal output to the display controller (IC751)
62 VCC
— Power supply terminal (+5V)
63 STB O
Strobe signal output to the power supply circuit “L”: standby mode, “H”: power on
64 VSS
— Ground terminal
65 JOGCD0 I
Jog dial pulse input from the rotary encoder (S701
l
AMS
L
PUSH ENTER (CD))
B phase input
66 JOGCD1
I
Jog dial pulse input from the rotary encoder (S701
l
AMS
L
PUSH ENTER (CD))
A phase input
67 JOGMD0 I
Jog dial pulse input from the rotary encoder (S721
l
AMS
L
PUSH ENTER (MD))
B phase input
68 JOGMD1
I
Jog dial pulse input from the rotary encoder (S721
l
AMS
L
PUSH ENTER (MD))
A phase input
69 to 72 NC
— Not used (open)
73 LOD POS
O
CD loading motor (M702) control signal output to the motor driver IC (IC401)
“L” active *1
74 LOD NEG O
CD loading motor (M702) control signal output to the motor driver IC (IC401)
“L” active *1
75 OUT SW I
Detection input from the tray open/close detect switch (S1) on the CD mechanism block
“L”: when tray is open, “H”: when tray is close
76 MIDOUT SW
I
Detection input from the mid out detect switch on the CD mechanism block
“L”: when tray is going to open or close Not used (open)
77 IN SW I
Detection input from the tray open/close detect switch (S1) on the CD mechanism block
“L”: when tray is close, “H”: when tray is open
78 MIDIN SW I
Detection input from the mid in detect switch on the CD mechanism block
“L”: when sub tray move between tray and stocker Not used (open)
79 CLP POS O
CD elevator up/down motor control signal output terminal
“L” active Not used (open)
80 CLP NEG O
CD elevator up/down motor (M701) control signal output terminal
“L” active Not used (open)
81 INIT SW I
Detection input from the INIT detect switch on the CD mechanism block
“L”: when elevator down to bottom, others: “H” Not used (open)
82 COUNT SW
I
Detection input from the count detect switch on the CD mechanism block
“L”: when elevator up/down each sub tray stock position Not used (open)
83 E3 I
84 E1 I
85 E2 I
Detection input from the disc tray address detect rotary encoder on the CD mechanism block
Not used (open)
*1 CD loading motor (M702) control
Loading Eject Stop Brake
LOD NEG (pin
uf
) “L” “H” “H” “L”
LOD POS (pin
ud
) “H” “L” “H” “L”
Mode
Terminal