Sony MXD-D400 Service Manual page 78

MXD-D400
Pin No. Pin Name
47 LDON
48 OPEN
49
CDMP3SEL
50 OPEN
51 PULLUP
52 OPEN
53 LOAD_NEG
54 LOAD_POS
55 IN_SW
56 OUT_SW
57 to 61 OPEN
62 VCC
63 OPEN
64 VSS
65 OPEN
66 SCMS
67 ADADZF
68 CS_ADALAT
69
ADACLK
70
ADADATAO
71 CHECK1
72 ADADATAI
73
AUTOPWRON
ADAINT1,
74, 75
ADAINT0
76
ADARST
CDJOG1,
77, 78
CDJOG0
PDOWN_
79
MAINACCUT
80 ADJ
81
DRVRST
82 OPEN
83 CHECK1
84 OPEN
LINEMUTE_
85
AMUTE
MDJOG1,
86, 87
MDJOG0
88
MDRESET
89 LEVEL_L
90 LEVEL_R
91 RECLEVEL
92 SELECT0
93
KEY3
94, 95 KEY2, KEY1
96 AVSS
78
I/O
O Laser diode on/off control signal output to the automatic power control circuit "H": laser on
— Not used
O CD/MP3 select signal output terminal
— Not used
I Fixed at "H" in this set
— Not used
O
CD loading motor drive signal output (load-in direction)
O CD loading motor drive signal output (load-out direction)
Detection input from the tray open/close detect switch on the CD mechanism block
I
"L": when tray is close, "H": when tray is open
Detection input from the tray open/close detect switch on the CD mechanism block
I
"L": when tray is open, "H": when tray is close
— Not used
— Power supply terminal (+5V)
— Not used
— Ground terminal
— Not used
O
Relay drive signal output terminal
I Audio line muting on/off control signal input terminal Not used
O Chip enable signal output to the A/D, D/A converter
O Command data transfer clock signal output to the A/D, D/A converter
O Command data output to the A/D, D/A converter
O
Not used
I Command data input from the MP3 decoder
I Power on/off control signal input terminal. The signal input, when disc tray is open/close
I Interrupt status input from the A/D, D/A converter
O System reset signal output to the A/D, D/A converter
I
Jog dial pulse input from the rotary encoder (for CD)
I
Power down detection signal input "L": power down, normally: "H"
— Not used
O System reset signal output to the FL/LED driver
— Not used
O Not used
— Not used
O
Audio line muting on/off control signal output "L": line muting on
I Jog dial pulse input from the rotary encoder (for MD)
O System reset signal output to the MD mechanism controller
I L-ch level input from the MD mechanism controller
I R-ch level input from the MD mechanism controller
I Rec level detection signal input terminal
I For destination setting terminal
I Key input terminal Not used
I Key input terminal (A/D input)
— Ground terminal
Description