Read Sony CMT-DC500MD / HCD-J300 Service Manual online
70
HCD-J300
Pin No.
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77 to 85
86 to 89
90
91
92
93
94 to 100
101
102 to 113
114
115
116
117
118
119 to 122
123
124
125 to 129
130
131
132
133
134 to 139
140
141
142
143
144
I/O
—
—
—
O
I
—
I
—
O
I/O
—
O
—
O
O
I
I
O
O
O
O
O
—
O
—
O
O
O
—
O
—
O
—
I/O
O
O
O
O
O
I/O
—
O
—
—
O
—
I
—
—
—
—
—
I
Pin Name
—
—
—
—
MNT2 (XBUSY)
VSS2
MNT1 (SHCK)
VCC2
EEP-WP
SDA (EEP)
BCLK/ALE/CLKO
RD/DW
BHE/CASH
WR/CASL
SCL
REFLECT
PROTECT
CS0
CS1
—
A20
A19
VCC3
A18
VSS3
A17 to A9
SEL 3 to 0
WP
VCC4
A8
VSS4
A7 to A1
LB
D15 to D4
CLIP-SEL
IIC BUSY
DALOCK
LINE-MUTE
ADP DOWN
D3 to D0
SPDIF-CUT
OPT SEL
—
VSS5
—
VCC5
OP-LEVEL
—
AVSS
—
VREF
AVCC
NC
Description
Not used
Not used
Not used
Not used
In the state of executive command from the CXD2662R
Ground
Track jump signal input from the CXD2662R
Power supply (+3.3V)
EEP-ROM write protect signal output L: write possibility
Data signal input/output pin with the EEP-ROM
Not used
Read signal output (Not used)
Not used
Write signal output
Clock signal output to the EEP-ROM
Disk reflection rate detection input from the reflect detection switch H: Disk with low reflection rate
Recording-protection claw detection input from the protection detection switch H: Protect
Chip select signal output to the Flash ROM
Not used
Not used
Address bus signal output to Flash ROM
Address bus signal output to Flash ROM (Not used)
Power supply (+3.3V)
Address bus signal output to Flash ROM (Not used)
Ground
Address bus signal output to Flash ROM
Not used
Write protect signal to the Flash ROM
Power supply (+3.3V)
Address bus signal output to Flash ROM (Not used)
Ground
Address bus signal output to Flash ROM (Not used)
Not used
Data bus signal input/output to the Flash ROM (Not used)
Not used
IIC cable connect check L: Active
LOCK signal input from D/A converter
Not used
Reset signal output to the A/D converter
Data bus signal input/output to the Flash ROM (Not used)
Jog dial pulse input from the rotary encoder
Optical select signal output
Not used
Ground
Not used
Power supply (+3.3V)
Optical Pick-up voltage (current) detect signal input
Not used
Ground (Analog)
Not used
Power supply (+3.3V)
Power supply (+3.3V)
Not used
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