LC-20VM2E (serv.man2). Service Information - Sharp TV Service Manual (repair manual). Page 23

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LC-20VM2E
LC-121M2E
LC-150M2E
Terminal No.
Symbol
I/O
Voltage
Function block
Function
49
GND
O
3V
50
VDD
O
3V
51
HDCK
O
3V
LCD TIMING
Not used  I
OL
=3.0mA
52
OCK
O
3V
LCD TIMING
SOURCE driver clock  I
OL
=3.0mA
53
GND
54
OOB7
O
3V
RGB gradation process
BLUE signal output (MSB)
55
OOB6
O
3V
RGB gradation process
56
OOB5
O
3V
RGB gradation process
57
OOB4
O
3V
RGB gradation process
58
OOB3
O
3V
RGB gradation process
59
OOB2
O
RGB gradation process
BLUE signal output (LSB)
60
GND
61
REF_CKI
I
3V
Reference clock input
62
VGA_PDP
O
5V
Phase comparison waveform for PC
63
VGA_CLK
I
5V
Clock for PC
64
VGA_HS
O
5V
Horizontal synch signal for PC_PLL
65
GND
66
SPLS
TO
3V
LCD TIMING
Sampling start signal (Note 1)
67
SPRS
TO
3V
LCD TIMING
Sampling start signal (Note 1)
68
LBR
O
3V
LCD TIMING
Horizontal scan direction switching signal
(Note 1)
69
HGO
O
3V
LCD TIMING
SOURCE driver timing signal
70
POWER
O
5V
LCD TIMING
Power signal
71
I
5V
Common
72
GND
73
U/D
O
5V
An up-down inversion signal
74
TM1
O
3V
75
TM2
O
3V
LCD TIMING
Gate U/D
76
VDD
3V
77
GND
78
R7
I
3V
RGB gradation process
RED input (LSB)
79
R6
I
3V
RGB gradation process
80
R5
I
3V
RGB gradation process
81
R4
I
3V
RGB gradation process
82
R3
I
3V
RGB gradation process
83
R2
I
3V
RGB gradation process
84
R1
I
3V
RGB gradation process
85
R0
I
3V
RGB gradation process
RED signal input (MSB)
86
GND
I
3V
87
G7
I
3V
RGB gradation process
GREEN signal input (LSB)
88
G6
I
3V
RGB gradation process
89
G5
I
3V
RGB gradation process
90
G4
I
3V
RGB gradation process
91
G3
I
3V
RGB gradation process
92
G2
I
3V
RGB gradation process
93
G1
I
3V
RGB gradation process
94
G0
I
3V
RGB gradation process
GREEN signal input (MSB)
95
TM3
O
96
TM4
O
97
GND
98
TST8
I
3V
Test signal(Internal PD)
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