Sharp LC-20VM2E Service Manual page 22

LC-20VM2E
7-2. IC1201 LCD CONTROLER
Terminal No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
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30
31
32
33
34
35
36
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40
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48
Symbol I/O Voltage
OSD_BK I 5V
OSD_R I 5V
OSD_G I 5V
OSD_B I 5V
OSDVD O 5V
OSDHD O 5V
OSDCK O 5V
PC_CSY O 5V
GND
VDD5 I 5V
OFL TO 5V
MP_DA I 5V
MP_CK I 5V
MP_CS I 5V
MP_RCS O 5V
MP_RDA O 5V
CSYNC I 5V
PDP TO 5V
GND
OSCI I 5V
OSCO O 5V
VDD5 5V
GND
OHSYN O 5V
DVDO O 5V
VSYN I 5V
GST I 5V
GND
REV O 5V
REVV0 O 5V
GSP1 TO 5V
GCK TO 5V
GND
OOR7 O 3V
OOR6 O 3V
OOR5 O 3V
OOR4 O 3V
OOR3 O 3V
OOR2 O 3V
PC_HSY I 3V
PC_VSY I 3V
GND
OOG7 O 3V
OOG6 O 3V
OOG5 O 3V
OOG4 O 3V
OOG3 O 3V
OOG2 O 3V
Function block
PC_VGA
PWM Control
Serial I/F
Serial I/F
Serial I/F
Serial I/F
Serial I/F
VIDEO PLL
VIDEO PLL
VIDEO PLL
VIDEO PLL
VIDEO PLL
Sync signal process
Sync signal process
LCD TIMING
LCD TIMING
LCD TIMING
LCD TIMING
LCD TIMING
RGB gradation process
RGB gradation process
RGB gradation process
RGB gradation process
RGB gradation process
RGB gradation process
RGB gradation process
RGB gradation process
RGB gradation process
RGB gradation process
RGB gradation process
RGB gradation process
22
Function
OSD Blanking input (FB SW)
OSD R signal input
OSD G signal input
OSD B signal input
OSD V output
OSD H output
OSD clock output
PC composition synchronous output,
Modification
5V power supply terminal
Lamp dimming control output
3-wire serial I/F data input signal
3-wire serial I/F clock input signal
3-wire serial I/F chip selection input signal
Serial I/F READ CS signal
Serial I/F READ data signal
Composit signal input
PLL control signal output
PLL ocsillation input
PLL ocsillation output I
OL
5V power supply terminal
OHSYN=CSYNC*FREE*POL I
Digital sync separation output I
Virtical sync signal , Digital countdown input
Reset input terminal
Gradation power supply, inversion timing
I =1.0mA
OL
Common inversion timing I
Gate, SPS signal I =1.0mA
OL
Gate, CLS signal output I
RED signal output (MSB)
RED signal output (LSB)
PC VGA HSYNC INPUT
PC VGA VSYNC INPUT
GREEN signal output (MSB)
GREEN signal output (LSB)
LC-121M2E
LC-150M2E
=3.0Ma
=1.0mA
OL
=1.0mA
OL
=1.0mA
OL
=1.0mA
OL