Canon LV-7105E/D78-5133 User Manual
Page 88
IC Ref. No
Pin/Name I/O
Signal Name
Function
Note
IC1806
12
O
SCLK
3-Line Serial Clock
13
O
SDATA
3-Line Serial Data
14
O
DAC_STLOBE
DAC
Data Effective: Low
15
O
S&H_STLOBE
S&H
Data Effective: High
16
O
IRM_STLOBE
White Uniformity
Data Effective: Low
17
O
FAN_CONT2
Fan Speed Control 2
Fan Control ON: High
18
O
FAN_CONT1
Fan Speed Control 1
Fan Control ON: High
19
O
Not used
IC1807
12
O
Not used
13
O
DVS2
Vsync x 2Hz Output
14
O
LAMP_ON
Output Clock ON/OFF
Output Clock ON: High
15
O
LIM-OFF
16
O
Not used
17
O
Not used
18
O
CTS33
RS232C Relation
19
O
480I_SW
1080i/1035i/720p:Low,others to High
IC1808
2
I
KI1
Main Key Switch
3
I
KI2
Main Key Switch
4
I
KI3
Main Key Switch
5
I
KI4
Main Key Switch
6
I
Power_fail
Power Fail Detection
Abnormal: Low
Normal: High
7
I
Not used
8
I
Lamp_ERR
Lamp Fail
Abnormal: High
Normal: Low
9
I
Not used
IC1809
2
I
S_IN
S-Input Detection
S-Input: Low, others to High
3
I
CB_SW
Component-Input Detection
C-Input: Low, others to High
4
I
CR_SW
Component-Input Detection
C-Input: Low, others to High
5
I
CTS/V
6
I
OEM Option
7
I
OEM Option
8
I
OEM Option
9
I
OEM Option
Part 4: Troubleshooting
4-10