Read Sharp LC-20B6E (serv.man10) Service Manual online
45
LC-20B6E
4.3. Description of Pins
GND
GREEN <7>
GREEN <6>
GREEN <5>
GREEN <4>
GREEN <3>
GREEN <2>
GREEN <1>
GREEN <0>
GND
V
DD
BLUE <7>
BLUE <6>
BLUE <5>
BLUE <4>
BLUE <3>
BLUE <2>
BLUE <1>
BLUE <0>
GND
GND
GND
GND
GND
GND
GND
V
D
V
D
V
D
V
D
V
D
V
D
REF BYPASS
SDA
SCL
A0
R
AIN
G
AIN
B
AIN
SOGIN
80 79 78 77 76
71 70 69 68 67 66 65
75 74 73 72
64 63 62 61
1
2
3
4
5
6
7
8
9
10
11
13
14
15
16
12
17
18
20
19
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
PIN 1
IDENTIFIER
IDENTIFIER
TOP VIEW
(Not to Scale)
AD9883A
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
GND
V
DD
V
DD
RED <0>
RED <1>
RED <2>
RED <3>
RED <4>
RED <5>
RED <6>
RED <7>
V
DD
GND
DA
TA
C
K
HSOUT
SOGOUT
GND
V
D
GND
VSOUT
GND
V
DD
V
DD
GND
GND
PV
D
PV
D
GND
MIDSCV
CLAMP
V
D
GND
CO
AST
HSYNC
VSYNC
GND
FIL
T
PV
D
PV
D
GND
Pin Type
Mnemonic
Function
Value
Pin No.
I
nputs
R
AIN
Analog Input for Converter R
0.0 V to 1.0 V
54
G
AIN
Analog Input for Converter G
0.0 V to 1.0 V
48
B
AIN
Analog Input for Converter B
0.0 V to 1.0 V
43
HSYNC
Horizontal SYNC Input
3.3 V CMOS
30
VSYNC
Vertical SYNC Input
3.3 V CMOS
31
SOGIN
Input for Sync-on-Green
0.0 V to 1.0 V
49
CLAMP
Clamp Input (External CLAMP Signal)
3.3 V CMOS
38
COAST
PLL COAST Signal Input
3.3 V CMOS
29
Outputs
Red [7:0]
Outputs of Converter Red, Bit 7 is the MSB
3.3 V CMOS
70–77
Green [7:0]
Outputs of Converter Green, Bit 7 is the MSB
3.3 V CMOS
2–9
Blue [7:0]
Outputs of Converter Blue, Bit 7 is the MSB
3.3 V CMOS
12–19
DATACK
Data Output Clock
3.3 V CMOS
67
HSOUT
HSYNC Output (Phase-Aligned with DATACK)
3.3 V CMOS
66
VSOUT
VSYNC Output (Phase-Aligned with DATACK)
3.3 V CMOS
64
SOGOUT
Sync-on-Green Slicer Output
3.3 V CMOS
65
References
REF BYPASS
Internal Reference Bypass
1.25 V
58
MIDSCV
Internal Midscale Voltage Bypass
37
FILT
Connection for External Filter Components for Internal PLL
33
Power Supply
V
D
Analog Power Supply
3.3 V
39, 42,
45, 46, 51, 52,
59, 62
45, 46, 51, 52,
59, 62
V
DD
Output Power Supply
3.3 V
11, 22, 23, 69,
78, 79
78, 79
PV
D
PLL Power Supply
3.3 V
26, 27, 34, 35
GND
Ground
0 V
1, 10, 20, 21,
24, 25, 28, 32,
36, 40, 41, 44,
47, 50, 53, 60,
61, 63, 68, 80
24, 25, 28, 32,
36, 40, 41, 44,
47, 50, 53, 60,
61, 63, 68, 80
Control
SDA
Serial Port Data I/O
3.3 V CMOS
57
SCL
Serial Port Data Clock (100 kHz Maximum)
3.3 V CMOS
56
A0
Serial Port Address Input 1
3.3 V CMOS
55
4.2. Pin Configuration
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