2.3 IC bus I/O expander (IC1641, M62320FP) port function
2.4 IC bus DA converter (IC212, M62393FP) port function
2.5 IC bus DA converter (IC2381, M62393FP) port function
Part 4: Troubleshooting
4-12
1
SO
Serial Data output port (Not connected)
O
2
SCL
IIC BUS SCL
I
3
SDA
IIC BUS SDA
I/O
4
D0
FOUCS+
FOUCS +
Active H
O
5
D1
FOUCS-
FOUCS -
Active H
O
6
D2
ZOOM+
ZOOM +
Active H
O
7
D3
ZOOM-
ZOOM -
Active H
O
8
Vss
GND
-
9
D4
LENS UP
LENS UP
Active H
O
10
D5
LENS DOWN
LENS DOWN
Active H
O
11
D6
BRIGHT ON
BRIGHT ON
Active H
O
12
D7
BRIGHT OFF
BRIGHT OFF
Active H
O
13
Vdd
Power 5V ±10 %
-
14
CS2
Slabe address setting port 2 (GND)
I
15
CS1
Slabe address setting port 1 (GND)
I
16
CS0
Slabe address setting port 0 (GND)
I
Pin No.
Name
Signal name
Action
Polarity
1
R
Serial Data output port (Not connected)
O
2
SCL
IIC BUS SCL
I
3
SDA
IIC BUS SDA
I/O
4
A05
Not used
O
5
A06
Not used
O
6
A07
Not used
O
7
A08
not use
O
8
VrefL
DAC Lower Reference Voltage input
-
9
VrefU 1
DAC Upper Reference Voltage input (CH5~CH8)
-
10
Vss
GND
-
11
VrefU2
DAC Upper Reference Voltage input (CH1~CH 4)
-
12
A01
AV_RCLP
O
13
A02
AV_GCLP
O
14
A03
AV_BCLP
O
15
A04
VOLUME
O
16
Vcc
Power Supply for Output Buffer (4.5V ~ 5.5V)
-
17
Vdd
Power 5V±10 %
-
18
CS2
Slave address setting port 2 (GND)
I
19
CS1
Slave address setting port 1 (Vdd)
I
20
CS0
Slave address setting port 0 (GND)
I
Pin No.
Name
Signal name
Polarity
1
R
Serial Data output port (Not connected)
O
2
SCL
IIC BUS SCL
I
3
SDA
IIC BUS SDA
I/O
4
A05
Not used
O
5
A06
Not used
O
6
A07
R_BLK_DC
O
7
A08
B_BLK_DC
O
8
VrefL
DAC Lower Reference Voltage input
-
9
VrefU 1
DAC Upper Reference Voltage input (CH5~CH8)
-
10
Vss
GND
-
11
VrefU2
DAC Upper Reference Voltage input (CH1~CH 4)
-
12
A01
Not used
O
13
A02
Not used
O
14
A03
Not used
O
15
A04
Not used
O
16
Vcc
Power Supply for Output Buffer (4.5V ~ 5.5V)
-
17
Vdd
Power 5V±10 %
-
18
CS2
Slave address setting port 2 (GND)
I
19
CS1
Slave address setting port 1 (GND)
I
20
CS0
Slave address setting port 0 (GND)
I
Pin No.
Name
Signal name
Polarity
Summary of Contents for LV-7545U
Page 2: ...CANON Power Projector LV 7545E D78 5231 SERVICE SMANUAL ...
Page 9: ......
Page 10: ...Part 1 General Information ...
Page 24: ......
Page 25: ...Part 2 Repair Information ...
Page 46: ...Part 3 Adjustment ...
Page 69: ...Part 4 Troubleshooting ...
Page 86: ...Part 4 Troubleshooting 4 17 BH3540 Volume Control IC1652 CXA2101AQ RGB Matrix IC4101 ...
Page 90: ...Part 4 Troubleshooting 4 21 LB1645 Motor Drive IC1601 LC863316 SUB CPU IC1851 ...
Page 91: ...Part 4 Troubleshooting 4 22 ML60851 USB I F IC9801 M62393 D A IC212 IC2381 ...
Page 93: ...Part 4 Troubleshooting 4 24 SII161ACT DVI I F IC8001 STR Z2156 Power Switching IC651 ...
Page 94: ...Part 4 Troubleshooting 4 25 TA1287 RGB YUV Converter IC4551 TB1274AF Video Decoder IC1101 ...
Page 95: ...Part 4 Troubleshooting 4 26 TDA7056 Audio Output IC1631 IC1632 ...
Page 96: ...Part 5 Parts Catalog ...
Page 97: ......
Page 113: ...Part 6 Electrical Diagrams ...
Page 130: ......