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2. CONTROL PORT FUNCTIONS
2.1 System Control & I/O Port Functions
IC Ref. No Pin/Name I/O
Signal Name
Function
Note
IC301
PortA0
I/O
ROMWEL
For ICE
PortA1
I/O
ROMWEH
For ICE
PortA2
I/O
BOOTWE
For ICE
PortA3
I/O
Not used
Fixed High
PortA4
I/O
5V_SW
Power ON/OFF
MainPower-ON: High
PortA5
I/O
LAMP_BST_SW
Lamp Ballast ON/OFF
Lamp Ballast-ON: High
PortA6
I/O
IO_Reset
Initialize I/O
I/O Active: Low
PortA7
I/O
LAMP_POW
Lamp-ON
Lamp-ON: High
PortB0
I/O
3L_EN
3-Line Serial ON/OFF
Serial Line-ON: Low
PortB1
I/O
PortB1
MatrixSDA
PortB2
I/O
Mouse1
Mouse Control
Air Mouse-ON: High
PortB3
I/O
Not used
Fixed High
PortB4
I/O
SCL_IN
Fixed High
PortB5
I/O
Not used
Fixed High
PortB6
I/O
M_SCL
IIC CLK
PortB7
I/O
M_SDA
IIC DATA
IC1803
12
O
Mute
Mute
Mute-OFF: High
13
O
LAMP_REP_LED Lamp Replace LED Drive ON: High
14
O
READY_LED
Ready LED Drive
ON: High
15
O
TEMP_LED
Temp Warning LED Drive ON: High
16
O
POW_LED
Power LED Drive
ON: High
17
O
KO3
Main Key Switch
18
O
KO2
Main Key Switch
19
O
KO1
Main Key Switch
IC1804
12
O
CG_Filter
CG Filter ON/OFF
ON: High
13
O
VHDREN
Philips chip Enable
ON: High
14
O
VFIELD_SW
VField PC/AV Selection
Video V Field: High
15
O
Y/G_SW
Sync Sep. Y/G Selection Y: High G: Low
16
O
PC/AV _SW
PC/AV Selection
PC: High AV: Low
17
O
C/V_SW
Video/Component
Video: Low
Selection
Component: High
18
O
PeriPow_SW
Power consumption
Normal: High
SW in ST
Standby: Low
19
O
FanDrive_SW
Fan Drive ON/OFF
Fan Drive ON: High
OFF: Low
Part 4: Troubleshooting
4-9
Содержание LV-7105
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Страница 3: ...CANON Multimedia Projector LV 7105U D78 5132 LV 7105E D78 5133 SERVICE SMANUAL...
Страница 10: ......
Страница 11: ...Part 1 General Information...
Страница 12: ......
Страница 33: ...Part 2 Repair Information...
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Страница 55: ...Part 3 Adjustment...
Страница 56: ......
Страница 77: ...Part 4 Troubleshooting...
Страница 78: ......
Страница 81: ...Memo Part 4 Troubleshooting 4 3...
Страница 91: ...Part 4 Troubleshooting 4 13 TP561 S H B INTPUT TP571 TP1571 S H B OUTPUT TP505B TP506B S H B OUTPUT...
Страница 92: ...Part 4 Troubleshooting 4 14 4 IC BLOCK DIAGRAMS FA5332M Power Factor Control IC01 AN5265 AUDIO OUTPUT IC001...
Страница 93: ...Part 4 Troubleshooting 4 15 PW164 10RK System Control Scan Converter IC301 CXA2111R LCD Driver IC401...
Страница 94: ...Part 4 Troubleshooting 4 16 M62358FP DAC IC431 CXD3503R White Uniformity Compensation IC471...
Страница 96: ...Part 4 Troubleshooting 4 18 IDT71V016S RAM IC811 CXA2016S Sync Separator IC1021...
Страница 97: ...Part 4 Troubleshooting 4 19 MC10H351ML IC1501 LM76CHMX Thermal Sensor IC1831 IC1832...
Страница 99: ...Part 4 Troubleshooting 4 21 TC4053BF Switching IC5001 SAA7114H Digital Video Processor IC5101...
Страница 100: ...Part 4 Troubleshooting 4 22...
Страница 101: ...Part 5 Parts Catalog...
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Страница 103: ...PARTS CATALOG Multimedia Projector LV 7105U REF NO D71 5132 LV 7105E D71 5133 Power Projector LV 7105J D71 5131...
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Страница 113: ...U 1 U 2 V 1 V 2 W 1 X 1 Z Page 5 CANON LV 7105J REF No D78 5131 LV 7105U D78 5132 LV 7105E D78 5133...
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Страница 118: ...Part 6 Electrical Diagrams...
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