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FIN
RIN
OUT2
DRIVER
POTENTIOMETER
DRIVER
OUT1
TSD
TSD : Termal Shut Down
CONTROL
LOGIC
5
4
1
7
IC1824
OUTPUT
EXPANDER
FIN
H
L
RIN
L
H
OUT2
L
H
OUT1
H
L
OUTPUT MODE
IRIS
ELECTRIC IRIS FUNCTION TABLE
FORWARD MODE
OPEN
REVERSE MODE
CLOSE
BRAKE MODE
BRAKE
STAND-BY MODE
STAND-BY
H
L
H
L
L
OPEN
L
OPEN
17
58
18
IC5801
MOTOR DRIVER <BA6287>
IC301
SCAN
CONVERTER,
SYSTEM
CONTROL
<PW385>
D0 - D15
IRIS_OPEN
IRIS_CLOSE
M
IRIS
MOTOR
IRIS_SENS
HDMI
IC301
SCAN
CONVERTER,
SYSTEM
CONTROL
<PW385>
IC1822
OUTPUT
EXPANDER
H
L
H
L
IC8131
EEPROM
(SDA)
(SCL)
DDC_SDA
DDC_SCL
TMDS0+
TMDS0-
TMDS1+
TMDS1-
TMDS2+
TMDS2-
TMDSC+
TMDSC-
SDA3
SCL3
SDA0
SCL0
IC8161
IC8102
DDCSDA
DDCSCL
HDMI_HPD
DDC_SW1
DDC_SW2
19
IC1823
OUTPUT
EXPANDER
SIRST
19
18
IC1824
I/O
EXPANDER
14
13
HOTPLUG
12
Registers &
Configuration Logic
SiI 9993
XOR
Mask
SICLK
SIHS
SIVS
SIDEN
SIBE [0-9]
IIC
RESET
RGB-to-YCbCr
Color Space
Converter
4:2:2 to 4:4:4
Up/Down Converter
IIC
IIC
TMDS
Receiver
EEPROM
HDCP Keys
HDCP
Cipher
DDC
SIGE [0-9]
DDC_SW1
L
H
OPERATION
HDMI
DDC_SW2
L
H
OPERATION
PW385
H = ON
●
RGB digital signal processing circuit
●
Iris motor driving circuit
Chassis Block Diagrams
GLOSSARY
HDMI : High Definition Multimedia Interface
HDCP : High bandwidth Digital Content Protection
TMDS : Transmission Minimized Differential Signaling