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System Control (CPU : IC801)
Pin Name
1
P44
2
P45
3
P46
4
P47
5
INT0
6
SCL1
7
SDA1
8
P53
9
AIN1
10
P55
11
AIN3
12
AIN4
13
AIN5
14
P62
15
P63
16
P57
17
N.C.
18
R
19
G
20
B
21
Y
22
HD
23
VD
24
OSC1
25
OSC2
26
TEST
27
XIN
28
XOUT
29
RESET
30
P20
31
RXIN
32
P31
33
SCL0
34
SDA0
35
VVSS
36
VIN1
37
VIN2
38
N.C.
39
VDD
40
VSS
41
P40
42
P41
43
PWM2
44
P43
CONTROL PORT FUNCTIONS
Function
P-FAIL(DIGITAL)
POWER-2
ACK
STATUS
AC FAIL
SCL1
SDA1
POWER-3
PANEL OPT
S-IN
AFT
KEY IN
APL
AMP MUTE
IO RESET
P-FAIL(ANALOG)
–
OSD-R
OSD-G
OSD-B
OSD-Y
OSD-HD
OSD-VD
OSC-CLK
OSC-CLK
TEST
XIN
XOUT
RESET
RC IN
LED
SCL0
SDA0
VVSS
VIDEO IN1
VIDEO IN2
–
VDD
VSS
SCR RESET
B-LIGHT
B-BRIGHT
POWER-1
I/O Description
IN
Power Failure for Digital Circuit, Failure : Low
OUT
Power port for LCD panel, Panel On : Low
OUT
IIC bus control for factory, Detect STATUS : Low
IN
IIC bus control for factory, Connect to factory line : Low
IN
AC Shut-off port, Low : AMP Mute -> On
I/O
IIC Bus port for EEPROM, SCL : Clock
I/O
IIC Bus port for EEPROM, SDA : Data
OUT
Power port for audio circuit, Power On : High
IN
For Panel Option and BBE
IN
For S detection, Low : S-Input
IN
AFT Voltage Input (RF)
IN
Key Input
IN
APL Voltage Input
OUT
Mute : High
OUT
For color decoder, Reset : High
IN
Power Failure for Analog Circuit, Failure : Low
–
Not used
OUT
OSD-R Output
OUT
OSD-G Output
OUT
OSD-B Output
OUT
OSD-Y Output
IN
OSD-Hsync Output
IN
OSD-Vsync Output
IN
Clock Input for OSD
OUT
Clock Output for OSD
IN
Test port
IN
Main Clock Input
OUT
Main Clock Output
IN
Reset port, Reset : Low level input
IN
Not Used (Connect to Ground)
IN
RC Input
OUT
For LED, Power On : High
I/O
IIC Bus port for IC
I/O
IIC Bus port for IC
IN
Connect to ground
IN
CCD Data Slicer
IN
CCD Data Slicer
–
Not used
–
5V
–
GND
OUT
Reset port for Scaler, Reset : High output
OUT
For panel back light On/Off, Light On : High
OUT
For back light brightness, PWM Output, Bright : Low
O
Power port for main, Power On : Low
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