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Part 4: Troubleshooting
4-15
IC301
PortA0
I/O
ROMWEL
For ICE
PortA1
I/O
ROMWEH
For ICE
PortA2
I/O
BOOTWE
For ICE
PortA3
I/O
DDC_CK
NVRAM I2C CLK for DDC
PortA4
O
5V_SW
Power ON/OFF
MainPower-ON: High
PortA5
I
MT_DAT
Judge 15KHz system
15KHz: High
PortA6
O
IO_Reset
Initialize I/O
Fixed Low
PortA7
O
LAMP_POW
Lamp-ON
PortB0
I/O
M_SCL
IIC CLK
PortB1
I/O
M_SDA
IIC DATA
PortB2
I/O
VIEWER_ON
Not used
PortB3
I
PF_LAMPDOWN
PowerFail Monitor
PortB4
I/O
DDC_DT
NVRAM I2C DATA for DDC
PortB5
I/O
CARD_IN
Not used
PortB6
I/O
SCDT
Not used
PortB7
I/O
W_LAN_IN
Not used
IC1803
12
O
Mute
Mute ON/OFF
ON: High
13
O
LAMP_REP_LED
Lamp Replace LED Drive
14
O
READY_LED
Ready LED Drive
15
O
TEMP_LED
Temp Warning LED Drive
16
O
POW_LED
Power LED Drive
17
O
KO3
Main Key Switch
18
O
KO2
Main Key Switch
19
O
KO1
Main Key Switch
IC1804
12
O
CG_Filter
Not used
13
O
VHDREN
Micronas chip Enable
Enable: High
14
O
VFIELD_SW
Vfield PC/AV Selection
AV: High
15
O
DPC_ON
DVI/PC Selection
DVI: Low
16
O
PC/AV_SW
PC/AV Selection
PC: High
17
O
S/CV_SW
Video/S-Video Selection
Video: Low
18
O
MCLK_SW
Master CLK ON/OFF
ON: High
19
O
FanDrive_SW
Fan Drive ON/OFF
ON: High
IC1805
12
O
ZOOM-
Zoom-
ON: Low
13
O
ZOOM+
Zoom+
ON: Low
14
O
MOUSE/CPU_SW
Mouse Enable ON/OFF
Enable: Low
15
O
PCLK_ON
AD9884 CLK ON/OFF
ON: Low
16
O
VCLK_ON
Micronas CLK ON/OFF
ON: Low
17
O
MT_RESET
Matrix Enable ON/OFF
Enable: High
18
O
MOUSE/RESET
Mouse Reset
Reset: Low
19
O
DCLK_ON
DVI/PC Selection
DVI: Low
IC1806
12
O
ADPW
AD9884 ON/OFF
ON: High
13
O
ECO_SW
Normal/Eco Selection
Eco: High
14
O
DCLK_SW
CXD3526 CLK ON/OFF
ON: High
15
O
USB_EN
Not used
16
O
VPC_ON
Sync select ON/OFF for Micronas
ON: Low
17
O
PC_ON
Sync select ON/OFF for AD9884
ON: Low
18
O
AC_FILT
Filter ON/OFF for PS2
15KHz: High
19
O
USB_RST
Not used
IC1813
12
O
RCID_SW3
Remote Control ID1
13
O
RCID_SW2
Remote Control ID2
14
O
RCID_SW1
Remote Control ID3
3. CONTROL PORT FUNCTIONS
3.1 System Control & I/O Port Table
IC Ref No.
Pin/Name
I/O
Signal Name
Function
Note
Содержание D78-5382
Страница 2: ...CANON Power Projector LV 5200U D78 5382 LV 5200E D78 5383 SERVICE SMANUAL ...
Страница 9: ...Part 1 General Information ...
Страница 25: ...Part 2 Repair Information ...
Страница 45: ...Part 3 Adjustment ...
Страница 65: ...Part 4 Troubleshooting ...
Страница 84: ...Part 4 Troubleshooting 4 19 AD9884AKS A D IC8201 AN5870SB RGB SW IC5201 ...
Страница 87: ...Part 4 Troubleshooting 4 22 FA5502 P F Control IC611 CXD3526GG LCD Driver Timing Generator IC401 ...
Страница 88: ...Part 4 Troubleshooting 4 23 LA7217 Sync Separator IC5361 M62392 D A IC3561 ...
Страница 89: ...Part 4 Troubleshooting 4 24 M62393 D A IC281 IC7801 NJM2284M Switch IC2101 ...
Страница 91: ...Part 4 Troubleshooting 4 26 VPC3230D Video Decoder IC3101 ...
Страница 92: ...Part 5 Parts Catalog ...
Страница 94: ......
Страница 97: ...58 70 63 71 57 60 65 59 64 66 51 55 62 Page 2 CANON REF No LV 5200U D78 5382 LV 5200E D78 5383 ...
Страница 101: ...45 45 45 45 52 52 a 52 Page 4 CANON REF No LV 5200U D78 5382 LV 5200E D78 5383 ...
Страница 105: ...Page6 CANON LV 5200U REF NO D78 5382 LV 5200E D78 5383 A B C A6800 E FUSE LF901 L901 902 L903 LABEL2 ...
Страница 107: ...U 1 U 2 V 1 W X Y Z 1 Page 7 Z 2 CANON REF No LV 5200U D78 5382 LV 5200E D78 5383 ...
Страница 111: ...Part 6 Electrical Diagrams ...