![background image](http://html.mh-extra.com/html/sony/hcd-vx90av/hcd-vx90av_service-manual_420918057.webp)
– 87 –
Pin Name
I/O
Function
Pin No.
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
Содержание HCD-VX90AV
Страница 8: ... 8 This section is extracted from instruction manual ...
Страница 26: ...HCD VX90AV 7 3 PRINTED WIRING BOARD BD SECTION See page 18 for Circuit Boards Location 33 34 Page 42 ...
Страница 28: ...HCD VX90AV 7 5 SCHEMATIC DIAGRAM DECK SECTION See page 79 for IC Block Diagrams 37 38 Page 53 B ...
Страница 44: ...HCD VX90AV 7 23 SCHEMATIC DIAGRAM FRONT AMP SECTION 69 70 Page 57 Page 52 Page 68 Page 77 ...