Sharp AQUOS LC-37AD1E, Service Manual

Page: 74 / 262

74
74-1
74-2
LC-37AD1E
»
Pin Function
1
B1/CB1IN
I
Blue1/Cb1 Analog Component Input
2
G1/Y1IN
I
Green1/Y1 Analog Component Input
3
R
1/CR1IN
I
Red1/Cr1 Analog Component Input
4
B2/CB2IN
I
Blue2/Cb2 Analog Component Input
5
G2/Y2IN
I
Green2/Y2 Analog Component Input
6
R
2/CR2IN
I
Red2/Cr2 Analog Component Input
7
ASGF
Analog Shield GNDF
8
FFRSTWIN
I
FIFO Reset Write Input
9
VSUPCAP
O
Digital Decoupling Circuitry Supply Voltage
10
VSUPD
—
Supply Voltage, Digital Circuitry
Ë
VHiVPC3230D1EQ
(ASSY:IC10426
)
Comb Filter Video Processor
»
Block Diagram
Pin No
.
Pin Name
I/O
Pin Function
Pin No
.
P
in Name
I/O
Pin Function
11
GNDD
—
Ground, Digital Circuitry
12
GNDCAP
O
D
igital Decoupling Circuitry GND
13
SCL
I/O
I2C Bus Clock
14
SDA
I/O
I2C Bus Data
15
RESQ
I
Reset Input, Active Low
16
TEST
I
Test Pin, connect to GNDD
17
VGAV
I
V
GAV Input
18
YCOEQ
I
Y/C Output Enable Input, Active Low
19
FFIE
O
FIFO Input Enable
20
FFWE
O
F
IFO Write Enable
21
FFRSTW
O
F
IFO Reset Write/Read
22
FFRE
O
F
IFO Read Enable
23
FFOE
O
F
IFO Output Enable
24
CLK20
I/O
Main Clock Output 20.25 MHz
25
GNDPA
O
Pad Decoupling Circuitry GND
26
VSUPPA
O
P
ad Decoupling Circuitry Supply Voltage
27
LLC2
O
D
ouble Clock Output
28
LLC1
I/O
Clock Output
29
VSUPLLC
—
Supply Voltage, LLC Circuitry
30
GNDLLC
—
Ground, LLC Circuitry
31
Y7
O
P
icture Bus Luma (MSB)
32
Y6
O
P
icture Bus Luma (MSB)
33
Y5
O
P
icture Bus Luma (MSB)
34
Y4
O
P
icture Bus Luma (MSB)
35
GNDY
—
Ground, Luma Output Circuitry
36
VSUPY
—
Supply Voltage, Luma Output Circuitry
37
Y3
O
Picture Bus Luma
38
Y2
O
P
icture Bus Luma
39
Y1
O
P
icture Bus Luma
40
Y0
O
P
icture Bus Luma(LSB)
41
C7
O
P
icture Bus Chroma (MSB)
42
C6
O
P
icture Bus Chroma (MSB)
43
C5
O
Picture Bus Chroma
44
C4
O
Picture Bus Chroma
45
VSUPC
—
Supply Voltage, Chroma Output Circuitry
46
GNDC
—
Ground, Chroma Output Circuitry
47
C3
O
Picture Bus Chroma
48
C2
O
Picture Bus Chroma
49
C1
O
Picture Bus Chroma
50
C0
O
P
icture Bus Chroma (LSB)
51
GNDSY
—
Ground, Sync Pad Circuitry
52
VSUPSY
—
Supply Voltage, Sync Pad Circuitry
53
INTLC
O
Interlace Output
54
AVO
O
Active Video Output
55
FSY/HC/HSYA
O
F
ront Sync/ Horizontal Clamp Pulse/Front-End Horizontal Sync Output
56
MSY/HS
I/O
Main Sync/Horizontal Sync Pulse
57
VS
O
Vertical Sync Pulse
58
FPDAT/VSYA
I/O
Front-End/Back-End Data/Front-End Vertical Sync Output
59
VSTBY
—
Standby Supply Voltage
60
CLK5
O
C
CU 5 MHz Clock Output
61
NC
—
Not connected
62
XTAL1
I
A
nalog Crystal Input
63
XTAL2
O
Analog Crystal Output
64
ASGF
—
Analog Shield GNDF
65
GNDF
—
Ground, Analog Front-End
66
VRT
O
Reference Voltage Top, Analog
67
I2CSEL
I
I2C Bus Address Select
68
ISGND
—
Signal Ground for Analog Input, connect to
69
VSUPF
—
Supply Voltage, Analog Front-End
70
VOUT
O
Analog Video Output
71
CIN
I
Chroma / Analog Video 5 Input
72
VIN1
I
V
ideo 1 Analog Input
73
VIN2
I
V
ideo 2 Analog Input
74
VIN3
I
V
ideo 3 Analog Input
75
VIN4
I
V
ideo 4 Analog Input
76
VSUPAI
—
Supply Voltage, Analog Component Inputs Front-End
77
GNDAI
—
Ground, Analog Component Inputs Front-End
78
VREF
O
Reference Voltage Top, Analog Component Inputs Front-End
79
FB1IN
I
Fast Blank Input
80
AISGND
—
Signal Ground for Analog Component Inputs, connect to GNDAI