DV-NC55 (serv.man11). Function list - Sharp DVD Service Manual (repair manual). Page 15

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72
DV-NC55S/H
DV-NC60H
Pin No. Terminal Name In/Output
Operation function
3/5V system
Remarks
55
NC
56
NC
57
SMCK
Output
22M system clock output
5V system
58
VMCK
Output
Data output system (signal processing
5V system
system) clock output
59
VDD3
3.3V digital power supply
60
PD0
Output
DVD/CD data output
5V system
61
VSS5
5V ground supply
62
PD1
63
PD2
Output
DVD/CD data output
5V system
64
PD3
65
PD4
66
VSS3
3.3V digital ground
67
PD5
68
PD6
Output
DVD/CD data output
5V system
69
PD7
70
PD8
71
/PSYC
Output
DVD data sector sync signal
5V system
72
/PDRQ
Output
DVD data transfer block
5V system
73
PDCK
Output
DVD data transfer block
5V system
74
VDD5
5V power supply
75
TESM3
Test terminal
5V system
Connected to VSS5
76
DIGI
Input
1 bit DAC digital IN input
5V system
77
TESM4
Test terminal
5V system
Connected to VDD5
78
VDD3
3.3V digital power supply
79
BA0
80
BA1
Output
External RAM address output
5V system
81
BA2
82
BA3
83
VSS5
5V ground supply
84
BA4
85
BA5
86
BA6
Output
External RAM address output
5V system
87
BA7
88
BA8
89
VDD3
3.3V digital power supply
90
/BOE
Output
External RAM/OE signal
5V system
91
/BRAS
Output
External RAM/RAS signal
5V system
92
/BCAS
Output
External RAM/UCAS signal
5V system
93
/BCASL
Output
External LCAS/WE signal
5V system
94
/BWE
Output
External RAM WE signal
5V system
95
VDD5
5V power supply
96
BD0
97
BD1
98
BD2
99
BD3
100
BD4
In/Output
External RAM data I/O
5V system
101
BD5
102
BD6
103
BD7
104
BD8
105
VSS3
3.3V digital ground
106
BD9
107
BD10
In/Output
External RAM data I/O
5V system
108
BD11
109
BD12
110
VSS5
5V ground supply
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