Read Sony CMT-C7NT / HCD-C7NT Service Manual online
79
HCD-C7NT
Pin No.
51
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
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
I/O
O
O
I
I
I
O
I/O
I
I
–
–
–
O
O
O
I
I
I
I
–
–
–
I
O
O
O
I
–
I
–
O
O
O
O
–
O
I
I
I
–
–
–
–
–
–
I
–
–
–
–
Pin Name
XLAT
SCL
OUT-SW
MNT2
MNT1
EEP-WP
SDA
REFLECT
PROTECT
VCC
NC
VSS
LOAD-LO
LOAD-OUT
LOAD-IN
TEST0
TEST1
TEST2
TEST3
NC
NC
NC
NETMD-INT
NETMD-CS
NETMDRST
NETMD PLLSW
VBUS
NC
LOCK
NC
ADSEL-2
ADSEL-1
ADSEL-0
OPTSEL
DACMUTE
DARESET
IOP
SEL1
SEL0
TIMER
KEY3
KEY2
KEY1
AVSS
KEY0
VREF
AVCC
NC
FLDATA
FLCK
Description
Latch signal output to the DSP IC
Serial clock output to the EEPROM
Detection signal input from the loading out detection switch
Busy monitoring signal input from the mechanism deck
Track jump detection signal input from the mechanism deck
EEP-ROM write protect signal output “L”: write enable
Serial data input/output with the EEP-ROM
Disc reflection rate detection signal input from the reflect detection switch “H”: disc with low reflection rate
Recording-protection claw detection signal input from the protect detection switch “H”: protect
Power supply
Not used
Ground
Loading motor voltage control signal output “L”: high voltage, “H”: low voltage
Loading motor control signal output “H”: out
Loading motor control signal output “H”: in
Input terminal for test
Input terminal for test
Input terminal for test
Input terminal for test
Not used
Not used
Not used
Interrupt request signal input from the IC1002 “L”: interrupt request active
Chip select signal output to the IC1002
Reset signal output to the IC1002 “L”: reset
PLL function ON/OFF control signal output to the IC1002 “L”: PLL function on
USB VBUS detection signal intput “H”: USB on
Not used
Digital in LOCK detection signal input from the IC1006
Not used
Not used
A/D converter input source selection signal output to the IC1012
A/D converter input source selection signal output to the IC1012
Optical input selection signal output
Not used
Reset signal output to the D/A converter “L”: active
Iop measurement signal input
Destination setting terminal
Destination setting terminal
Not used
Not used
Not used
Not used
Ground (analog)
Not used
Reference voltage input
Power supply (analog)
Not used
Not used
Not used
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