JVC HR-XV1EU-R Service Manual page 28

DVD PCB OEC6068A (IC2001)
PIN NO. PIN NAME
54 VDD5
55 NC
56 NC
57 SMCK
58 VMCK
59 VDD3
60 PD0
61 VSS5
62 PD1
63 PD2
64 PD3
65 PD4
66 VSS3
67 PD5
68 PD6
69 PD7
70 PD8
71 /PSYC
72 /PDRQ
73 PDCK
74 VDD5
75 TESM3
76 DIGI
77 TESM4
78 VDD3
79 BA0
80 BA1
81 BA2
82 BA3
83 VSS5
84 BA4
85 BA5
86 BA6
87 BA7
88 BA8
89 VDD3
90 /BOE
91 /BRAS
92 /BCAS
93 /BWL
94 /BWU
95 VDD5
96 BD0
97 BD1
98 BD2
99 BD3
100 BD4
101 BD5
102 BD6
103 BD7
104 BD8
105 VSS3
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IC DESCRIPTIONS
I/O
-
5V power supply
-
-
O
22M block clock output
O
Data output block (signal processing block) clock output
-
3.3V digital power supply
O
DVD/CD data output
-
5V ground
O DVD/CD data ground
-
3.3V digital ground
O DVD/CD data output
O
DVD data sector sync signal
O
DVD data transfer block
O
DVD data transfer clock
-
5V power supply
-
Test pin
I
1-bit DAC Digital In input
-
Test pin
-
3.3V digital power supply
O
External RAM address output
-
5V ground
O
External RAM address output
- 3.3V digital power supply
O External RAM / OE signal
O External RAM /RAS signal
O External RAM /CAS signal
O External RAM Lower / WE signal
O External RAM Upper / WE signal
- 5V power supply
I/O External RAM data input / output
-
3.3V digital ground
DESCRIPTION