Read Sharp LC-121M2E (serv.man3) Service Manual online
20
LC-121M2E
LC-150M2E
LC-150M2E
LC-121M2E
LC-150M2E
LC-150M2E
2. IC1201 (QFP, 128pins)
Terminal No.
Voltage
I/O
Signal name
Function
1
5.0V
I
OSD_BK
OSD Blanking input
2
5.0V
I
OSD_R
OSD R input
3
5.0V
I
OSD_G
OSD G input
4
5.0V
I
OSD_B
OSD B input
5
5.0V
O
OSDVD
OSD V output
6
5.0V
O
OSDHD
OSD H output
7
5.0V
O
OSDCK
OSD clock output
8
5.0V
O
VCIHD
Horizontal sync output(VCI)
9
5.0V
GND
10
5.0V
VCC
11
5.0V
O
OFL
PWM output (Inverter)
12
5.0V
I
MP_DA
3-wire serial data input
13
5.0V
I
MP_CK
3-wire serial clock input
14
5.0V
I
MP_CS
3-wire serial chip selection input
15
5.0V
I
TVAV
Copy guard ON/OFF input
16
5.0V
I
FREE
Inside/outside sync selection input
17
5.0V
I
CSYNC
Composit signal input
18
5.0V
O
PDP
PLL control signal output
19
5.0V
GND
20
5.0V
I
OSCI
PLL ocsillation input
21
5.0V
O
OSCO
PLL ocsillation output
22
5.0V
VCC
23
5.0V
GND
24
5.0V
O
OHSYN
Sync separation output
25
5.0V
O
DVDO
Digital sync separation output
26
5.0V
I
VSYN
Virtical sync signal input
27
5.0V
I
GST
Reset input
28
5.0V
GND
29
5.0V
O
REV
Graduation power control signal output 1
30
5.0V
O
REVV0
Graduation power control signal output 2
31
5.0V
O
GSP1
Gate driver controll signal output 1
32
5.0V
O
GCK
Gate driver controll signal output 2
33
3.3V
GND
34
3.3V
O
OOR7
R output 7 (MSB)
35
3.3V
O
OOR6
R output 6
36
3.3V
O
OOR5
R output 5
37
3.3V
O
OOR4
R output 4
38
3.3V
O
OOR3
R output 3
39
3.3V
O
OOR2
R output 2
40
3.3V
O
OOR1
R output 1
41
3.3V
O
OOR0
R output 0 (LSB)
42
3.3V
GND
43
3.3V
O
OOG7
G output 7 (MSB)
44
3.3V
O
OOG6
G output 6
45
3.3V
O
OOG5
G output 5
46
3.3V
O
OOG4
G output 4
47
3.3V
O
OOG3
G output 3
48
3.3V
O
OOG2
G output 2
49
3.3V
GND
50
3.3V
VCC
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