Sony HCD-C7NT Service Manual page 79

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