Ic Bus Da Converter (M62393, Ic281) Port Functions; Ic Bus I/O Expander (M62320, Ic1851) Port Functions; Ic Bus Da Converter (M62392, Ic6211) Port Functions - Canon LV-7215U Service Manual

Part 4: Troubleshooting

2.2 IC Bus DA Converter (M62393, IC281) Port Functions

Pin No. Name
1 R
2 SCL
3 SDA
4 AO5
5 AO6
6 AO7
7 AO8
8 VrefL
9 VrefU1
10 GND
11 VrefU2
12 AO1
13 AO2
14 AO3
15 AO4
16 Vcc
17 Vdd
18 CS2
19 CS1
20 CS0

2.3 IC Bus I/O Expander (M62320, IC1851) Port Functions

Pin No. Name
1 S
2 SCL
3 SDA
4 D0
5 D1
6 D2
7 D3
8 VSS
9 D4
10 D5
11 D6
12 D7
13 VDD
14 CS2
15 CS1
16 CS0

2.4 IC Bus DA Converter (M62392, IC6211) Port Functions

Pin No. Name
1 R
2 SCL
3 SDA
4 Ao7
5 Ao8
6 Ao9
7 Ao10
8 Ao11
9 Ao12
10 VrefL
11 VrefU1
12 GND
13 VrefU2
14 Ao1
15 Ao2
16 Ao3
17 Ao4
18 Ao5
19 Ao6
20 Vcc
21 Vdd
22 CS2
23 CS1
24 CS0
Function
Reset
IIC SCL
IIC SDA
Not used
Not used
Not used
Not used
GND
VOL_CTL
RCLP
GCLP
BCLP
5 V
5 V
Chip Select 2
Chip Select 1
Chip Select 0
Function
Reset
IIC SCL
IIC SDA
CARD_IN / CMD_ENBL
VIEWER_ON
WLAN_IN
USB_VBUS_IN
GND
WARNING_LED
LAMPREP_LED
READY_LED
BLAST_SW
5V
Chip Select 2
Chip Select 1
Chip Select 0
Function
Reset
IIC SCL
IIC SDA
RCCONT1
RCCONT2
RCCONT3
DDC_SW2
RS232C_SW
ECO
GND
FAN_CONT_1
FAN_CONT_2
PLLSTB
XCLR2
XCLR3
MOUSE_Reset
Power for Digital
Power for Analog
Chip Select 2
Chip Select 1
Chip Select 0
Action
Fixed "H"
Active "L"
Active "L"
D/A converter lower ref. voltage
D/A converter upper ref. voltage (CH5~CH8)
GND
D/A converter upper ref. voltage (CH1~CH4)
DC Control for sound volume L: min., H: max.
R signal clamp
G signal clamp
B signal clamp
Vcc (5V)
Vdd (5V)
Fixed "H"
Fixed "H"
Fixed "L"
Action
Open
"L": Active
"L": Active
MCI: "L": CARD Yes: "H": CARD no
W-LAN: "L": Wireless "H": PC Control
"L": VIEWER Unit Equipped
"H": USB Connection
-
"H": on "L": off
"H": on "L": off
"H": on "L": off
"H": on "L": off
Vcc (Standby 5V)
"L": Fixed
"L": Fixed
"H": Fixed
Action
"H": Fixed
"L": Active
"L": Active
Remote Control Code 0 - 7 Select
Remote Control Code 0 - 7 Select
Remote Control Code 0 - 7 Select
"L": H8 "H": PC
"L": H8 "H": PW
"L": Eco off "H": Eco on
Lower Ref. Voltage for D/A Convertor GND
Lower Ref. Voltage for D/A Converter (CH7~CH12) Vcc (Standby 5V)
GND
Upper Ref. Voltage for D/A Convertor (CH1~CH6) Vcc (Standby 5V)
0xFFh: min 0x00h: Max
0xFFh: min 0x00h: Max
CXD3536 reset
CXD3536 reset
CXD3536 reset
Reset wireless Mouse Reset at H -> L -> H
Vcc (Standby 5V)
Vcc (Standby 5V)
"H": Fixed
"H": Fixed
"L": Fixed
4-8
Connected to GND
Connected to Vcc
Connected to Vcc
I/O
-
-
-
IN
IN
N
-
OUT
OUT
OUT
OUT
-
-
-
-