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2.2 IC Bus DA Converter (M62393, IC281) Port Functions
2.3 IC Bus I/O Expander (M62320, IC1851) Port Functions
2.4 IC Bus DA Converter (M62392, IC6211) Port Functions
Part 4: Troubleshooting
4-8
1
R
Reset
Fixed “H”
2
SCL
IIC SCL
Active “L”
3
SDA
IIC SDA
Active “L”
4
AO5
Not used
5
AO6
Not used
6
AO7
Not used
7
AO8
Not used
8
VrefL
D/A converter lower ref. voltage
Connected to GND
9
VrefU1
D/A converter upper ref. voltage (CH5~CH8)
Connected to Vcc
10
GND
GND
GND
11
VrefU2
D/A converter upper ref. voltage (CH1~CH4)
Connected to Vcc
12
AO1
VOL_CTL
DC Control for sound volume L: min., H: max.
13
AO2
RCLP
R signal clamp
14
AO3
GCLP
G signal clamp
15
AO4
BCLP
B signal clamp
16
Vcc
5 V
Vcc (5V)
17
Vdd
5 V
Vdd (5V)
18
CS2
Chip Select 2
Fixed “H”
19
CS1
Chip Select 1
Fixed “H”
20
CS0
Chip Select 0
Fixed “L”
Pin No.
Name
Function
Action
1
S
Reset
Open
-
2
SCL
IIC SCL
“L": Active
-
3
SDA
IIC SDA
“L": Active
-
4
D0
CARD_IN / CMD_ENBL
MCI: “L": CARD Yes: “H": CARD no
W-LAN: “L": Wireless “H": PC Control
IN
5
D1
VIEWER_ON
“L": VIEWER Unit Equipped
IN
6
D2
WLAN_IN
7
D3
USB_VBUS_IN
“H": USB Connection
N
8
VSS
GND
-
-
9
D4
WARNING_LED
“H": on “L": off
OUT
10
D5
LAMPREP_LED
“H": on “L": off
OUT
11
D6
READY_LED
“H": on “L": off
OUT
12
D7
BLAST_SW
“H": on “L": off
OUT
13
VDD
5V
Vcc (Standby 5V)
-
14
CS2
Chip Select 2
“L": Fixed
-
15
CS1
Chip Select 1
“L": Fixed
-
16
CS0
Chip Select 0
“H": Fixed
-
Pin No.
Name
Function
Action
I/O
1
R
Reset
“H": Fixed
2
SCL
IIC SCL
“L": Active
3
SDA
IIC SDA
“L": Active
4
Ao7
RCCONT1
Remote Control Code 0 - 7 Select
5
Ao8
RCCONT2
Remote Control Code 0 - 7 Select
6
Ao9
RCCONT3
Remote Control Code 0 - 7 Select
7
Ao10
DDC_SW2
“L": H8 “H": PC
8
Ao11
RS232C_SW
“L": H8 “H": PW
9
Ao12
ECO
“L": Eco off “H": Eco on
10
VrefL
Lower Ref. Voltage for D/A Convertor GND
11
VrefU1
Lower Ref. Voltage for D/A Converter (CH7~CH12) Vcc (Standby 5V)
12
GND
GND
GND
13
VrefU2
Upper Ref. Voltage for D/A Convertor (CH1~CH6) Vcc (Standby 5V)
14
Ao1
FAN_CONT_1
0xFFh: min 0x00h: Max
15
Ao2
FAN_CONT_2
0xFFh: min 0x00h: Max
16
Ao3
PLLSTB
CXD3536 reset
17
Ao4
XCLR2
CXD3536 reset
18
Ao5
XCLR3
CXD3536 reset
19
Ao6
MOUSE_Reset
Reset wireless Mouse Reset at H -> L -> H
20
Vcc
Power for Digital
Vcc (Standby 5V)
21
Vdd
Power for Analog
Vcc (Standby 5V)
22
CS2
Chip Select 2
“H": Fixed
23
CS1
Chip Select 1
“H": Fixed
24
CS0
Chip Select 0
“L": Fixed
Pin No.
Name
Function
Action
Summary of Contents for LV-7215U
Page 9: ...Part 1 General Information ...
Page 25: ...Part 2 Repair Information ...
Page 43: ...Part 3 Adjustment ...
Page 66: ...Part 4 Troubleshooting ...
Page 78: ...Part 4 Troubleshooting 4 12 AN5870 RGB SYNC SW IC1201 IC5201 BA7078 Sync Separator IC5341 ...
Page 80: ...Part 4 Troubleshooting 4 14 CXD3536 LCD Driver IC401 FA5502 P F Control IC621 ...
Page 81: ...Part 4 Troubleshooting 4 15 M62392 M62393 D A IC6271 IC281 ML60851 USB Driver IC9801 ...
Page 83: ...Part 4 Troubleshooting 4 17 TC90A69F Y C Separator IC2101 ...
Page 84: ...Part 5 Parts Catalog ...
Page 85: ......
Page 99: ...Part 6 Electrical Diagrams ...