Sharp AQUOS LC-37AD1E, Service Manual

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62
62-1
62-2
LC-37AD1E
Pin No
.
Pin Name
I/O
Pin Function
59
VM-OUT
O
VM output terminal. The differentiation waveform of Y-signal is outputted by positive.
60
VM/SHP/
—
Terminal for turning off VM, SHARPNESS, and COLOUR.
COL-OFF
Input level corresponds with three values.
61
YCBCR-SW
I
Change terminal of a signal inputted into INT/EXT SW. External input terminal is chosen by High.
62
ECR-IN
I
Input terminal of Exteriors Y, Cb and Cr.
63
ECB-IN
I
64
EY-IN
I
65
V1-IN
I
Input terminal of HV of IN1 system. Positive input.
66
H1-IN
I
67
CR1-IN
I
Input terminal of Y, Cb, and Cr of IN1 system.
68
CB1-IN
I
69
Y1-IN
I
70
GND-SIG
—
GND terminal of the signal processing system of Y-component
71
IREF-YC
—
Reference current setting terminal (mainly Y-component signal processing system).
72
Vcc-SIG
—
Power supply terminal of the signal processing system of Y-component.
73
SELCR-IN
I
Selector outputs Y, Cb, and Cr are inputted through the capacitor for a clamp.
74
SELCB-IN
I
75
SELY-IN
I
76
SELY-OUT
O
Selector output terminal of IN2 to IN5. The signal changed into Y, Cb, and Cr is outputted.
77
SELCB-OUT
O
78
SELCR-OUT
O
79
SELH-OUT
O
Selector HV output terminal of IN2 to IN5.
80
SELV-OUT
O
Ë
VHIMM1519XQ-1Q(IC1401)
Component input video switch
»
Block Diagram
Pin No
.
P
in Name
I/O
Pin Function
»
Pin Function
1
V
IDEO 1-L1
I
L
ine input of D-terminal
2
V
IDEO 1-L2
I
3
V
IDEO 1-L3
I
11
VIDEO 2-L1
I
12
VIDEO 2-L2
I
13
VIDEO 2-L3
I
21
VIDEO 3-L1
I
22
VIDEO 3-L2
I
23
VIDEO 3-L3
I
4,14,39,45,52,58
VCC
—
Analog power supply(9V)
51
AVCC
—
5
VIDEO 2-Y
I
Y-signal input
15
VIDEO 3-Y
I
53
TUNER-Y
I
59
VIDEO 1-Y
I
24
DGND
—
GND
6,8,16,18,33,35,
GND
—
37,41,43,47,49, 54,56,60,62 7
V
IDEO 2-Pb
I
Pb,Pr signal input
9
V
IDEO 2-Pr
I
17
VIDEO 3-Pb
I
19
VIDEO 3-Pr
I
55
TUNER-Pb
I
57
TUNER-Pr
I
61
VIDEO 1-Pb
I
63
VIDEO 1-Pr
I
10
VIDEO 2-SW
I
Switch line of D-terminal
20
VIDEO 3-SW
I
32
MONO-SW
I
64
VIDEO 1-SW
I
25
ADDRESS
I
S
lave address select pin
26
SDA
I/O
Data input of I2C bus
27
SCL
I
Clock input of I2C bus
28
DVCC
—
Digital power supply(5V)
29
L3 OUT
O
Line output for monitor
30
L2 OUT
O
31
L1 OUT
O
34
Pr OUT 3
O
Video signal output
36
Pb OUT 3
O
38
Y OUT 3
O
40
Pr OUT 2
O
42
Pb OUT 2
O
44
Y OUT 2
O
46
Pr OUT 1
O
48
Pb OUT 1
O
50
Y OUT 1
O