Sony HCD-VX77 Service Manual page 52

Pin No. Pin Name
46 MA8
47 VSS
48 MA7
49 VDD3
50 MA6
51 MA5
52 MA4
53 VSS
54 MA3
55 VDD3
56 MA2
57 MA1
58 MA0
59 PGIO7
60 RESET
61 VDDMAX-IN
62 NC
63 NC
64 NC
65 AGND DAC
66 AVDD DAC
67 COMPOS OUT
68 AGND DAC
69 Y-OUT
70 AVDD DAC
71 AGND DAC
72 RREF
73 (1.235V) VREF
74 AVDD DAC
75 C-OUT
76 AGND DAC
77 (GCK INT) CLK SEL
78 CLK SEL
79 CLK SEL
80 VSS
81 RESERVED
82 VDD3
83 DA-EMP
84 RESERVED
85 AGND PLL
86 DA-XCLK
87 AVDD PLL
88 PGIO4
89 PGIO5
90 PGIO6
52
I/O
O Address data from CL680 to Microcode ROM/DRAM
– Ground
O Address data from CL680 to Microcode ROM/DRAM
– +3.3V Power supply
O Address data from CL680 to Microcode ROM/DRAM
O Address data from CL680 to Microcode ROM/DRAM
O Address data from CL680 to Microcode ROM/DRAM
– Ground
O Address data from CL680 to Microcode ROM/DRAM
– +3.3V Power supply
O Address data from CL680 to Microcode ROM/DRAM
O Address data from CL680 to Microcode ROM/DRAM
O Address data from CL680 to Microcode ROM/DRAM
I/O Not used
I Reset signal input from the host MPU
I Fix the maxium input voltage each input pin and I/O pin
– Not used
– Not used
– Not used
– Ground
– +3.3V Power supply
O Not used
– Ground
O Luminance signal out
– +3.3V Power supply
– Ground
I Fix the video signal output level
O Reference voltage (+1.235V)
– +3.3V Power supply
O Chrominance signal out
– Ground
I GCK selection "H"; Internal, "L"; External
I DA-XCK selection (1)
I DA-XCK selection (2)
– Ground
I Selection the operation clock 42.336MHz
– +3.3V Power supply
– Not used
– Not used
– Ground
I Main reference clock input (16.9344MHz=384fs)
– +3.3V
I/O Not used
I/O Not used
I/O Not used
Function