Sony HCD-VX777, Руководство по обслуживанию

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55
HCD-VX777
46 MA8 O Address data from CL680 to Microcode ROM/DRAM
47 VSS – Ground
48 MA7 O Address data from CL680 to Microcode ROM/DRAM
49 VDD3 – +3.3V Power supply
50 MA6 O Address data from CL680 to Microcode ROM/DRAM
51 MA5 O Address data from CL680 to Microcode ROM/DRAM
52 MA4 O Address data from CL680 to Microcode ROM/DRAM
53 VSS – Ground
54 MA3 O Address data from CL680 to Microcode ROM/DRAM
55 VDD3 – +3.3V Power supply
56 MA2 O Address data from CL680 to Microcode ROM/DRAM
57 MA1 O Address data from CL680 to Microcode ROM/DRAM
58 MA0 O Address data from CL680 to Microcode ROM/DRAM
59 PGIO7 I/O Not used
60 RESET I Reset signal input from the host MPU
61 VDDMAX-IN I Fix the maxium input voltage each input pin and I/O pin
62 NC – Not used
63 NC – Not used
64 NC – Not used
65 AGND DAC – Ground
66 AVDD DAC – +3.3V Power supply
67 COMPOS OUT O Not used
68 AGND DAC – Ground
69 Y-OUT O Luminance signal out
70 AVDD DAC – +3.3V Power supply
71 AGND DAC – Ground
72 RREF I Fix the video signal output level
73 (1.235V) VREF O Reference voltage (+1.235V)
74 AVDD DAC – +3.3V Power supply
75 C-OUT O Chrominance signal out
76 AGND DAC – Ground
77 (GCK INT) CLK SEL I GCK selection “H”; Internal, “L”; External
78 CLK SEL I DA-XCK selection (1)
79 CLK SEL I DA-XCK selection (2)
80 VSS – Ground
81 RESERVED I Selection the operation clock 42.336MHz
82 VDD3 – +3.3V Power supply
83 DA-EMP – Not used
84 RESERVED – Not used
85 AGND PLL – Ground
86 DA-XCLK I Main reference clock input (16.9344MHz=384fs)
87 AVDD PLL – +3.3V
88 PGIO4 I/O Not used
89 PGIO5 I/O Not used
90 PGIO6 I/O Not used
Pin No. Pin Name I/O Function