JVC HR-XV1EK Service Manual page 29

DVD PCB OEC6068A (IC2001)
PIN NO. PIN NAME
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
101
102
103
104
105
106
107
108
109
110
111
112
113
1-24
IC DESCRIPTION
I/O
SMCK O
22M block clock output
VMCK O
Data output block (signal processing block) clock output
VDD3 - 3.3V digital power supply
PD0 O
DVD/CD data output
VSS5 -
5V ground
PD1
PD2
O
DVD/CD data ground
PD3
PD4
VSS3 - 3.3V digital ground
PD5
PD6
O
DVD/CD data output
PD7
PD8
/PSYC O
DVD data sector sync signal
/PDRQ O
DVD data transfer block
PDCK O
DVD data transfer clock
VDD5 -
5V power supply
TESM3 - Test pin
DIGI I
1-bit DAC Digital In input
TESM4 -
Test pin
VDD3 -
3.3V digital power supply
BA0
BA1
O
External RAM address output
BA2
BA3
VSS5 -
5V ground
BA4
BA5
BA6 O
External RAM address output
BA7
BA8
VDD3 -
3.3V digital power supply
/BOE O
External RAM / OE signal
/BRAS O External RAM /RAS signal
/BCAS O
External RAM /CAS signal
/BWL O
External RAM Lower / WE signal
/BWU O
External RAM Upper / WE signal
VDD5 -
5V power supply
BD0
BD1
BD2
BD3
BD4 I/O External RAM data input / output
BD5
BD6
BD7
BD8
VSS3 -
3.3V digital ground
BD9
BD10
I/O External RAM data input / output
BD11
BD12
VSS5 -
5V ground
BD13
I/O External RAM data input / output
BD14
BD15
DESCRIPTION