-20-
System control
FN905
FN904
FN903
K26D
K26C
K26B
IICSDA
IICSCL
1
K26W
K26V
1
4
IICSDA
IICSCL
IC5801
SDA
SCL
SENSOR_1
K58A
FAN-CS1
CLK
SDATA
FAN
K6E
IC662
IC661
Q651
P-FAIL
K6F
TP651
P-FAIL
P_FAIL
P_FAIL
P_FAIL
P_FAIL
7
8
K26A
FN914
FN913
COOLING FAN FOR PFC
COOLING FAN FOR PFC
K96E
K96F
LAMP2
LAMP1
K96D
K96A
3
4
5
7
8
9
10
7
5
4
3
BLAST_SW1
BLAST_SW2
BLAST_SW1
BLAST_SW2
LAMP1
LAMP2
D1
D2
D3
D4
D5
D6
D7
ADDRESS2(I/O EXPAND)
ADDRESS1(I/O EXPAND)
ADDRESS0(I/O EXPAND)
140
139
125
110
101
91
90
89
88
86
84
83
30
29
9
8
7
5
2
IC801
IC1801
20
51
52
53
54
55
56
57
LAMP4_ERR
LAMP3_ERR
LAMP1_ERR
LAMP2_ERR
A2CPU
A1CPU
A0CPU
D1CPU
D2CPU
D3CPU
D4CPU
D5CPU
D6CPU
D7CPU
D0CPU
D1
D0
D2
D3
D4
D5
D7
D6
35
36
37
38
39
40
41
42
43
44
45
K8B
3
4
7
8
9
10
BLAST_SW1
BLAST_SW2
LAMP1
LAMP2
LAMP4
LAMP3
P_F
A
IL
1
7
8
K8N
5
B
ALLAST_SW3
1
1
2
3
4
1
K8R
K8Q
K8S
B
ALLAST_SW4
2
5
6
9
IC1826
9
IC1822
50
SDA
SCL
IC2541
1
2
IICSCL
IICSD
A
D0-D7CPU
D0-D7CPU
P_F
A
IL
29
30
D0 92
CS1
FAN-ON
CLK
SDATA
FAN-CS1
CS1
BLAST_SW3
BLAST_SW4
FAN-CS1
POWER-ON
FAN-ON
IICSCL
IICSDA
SCLK
S
D
ATA
F
AN-CS2
LAMP3
LAMP4
LAMP2
LAMP1
IICSCL
IICSDA
BALLAST-SW2
BALLAST-SW1
BALLAST-SW3
BALLAST-SW4
FAN-CS3
For fan control
Temp. sensor
(outside air)
IC2541
Temp. sensor
(periphery of B-Panel )
P-F
AIL
LAMP3
LAMP4
RL12V
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
CONTROL
FAN
FOR G PANEL
FOR R PANEL
FOR B PANEL
ASSY,PWB,NET ML6A
ASSY,PWB,SENSOR ML6A
ASSY,PWB,POWER ML6A
16V
S5V
S5V
PFC3_4
BALAST1
BALAST2
BALAST3
BALAST4
PFC1_2
RL12V
RL12V
ASSY LAMP NET
I/O EXPANDER
P_F
A
IL
F
AN_ON
SCLK
S
D
ATA
F
AN_CS1
K8G
1
2
3
4
5
RL12V
RL12V
FAN_CS3
FAN_ON
SCLK
3
5
7
10
15
17
19
K8C
9
SDATA
FAN_CS2
P_FAIL
POWER-SW
T
O
:SUBPO
WER K66C
RL12V
S5V
ASSY_MAIN
CPU
TEMP.
MONITOR
LAMP
MONITOR
Abnormal Temperature
Pin29/30: Abnormal temperature detect
and Fan control
■
IC2541
* If reading temperature of periphery of B-LCD panel
reaches to 46~48*C the projector will be turned off
and warning temperature indicator is flashing.
Power-on pin5 of IC801
Fan-on pin101 of IC801
Lamp 1~4 pin50~53 of IC1801
Ballast sw 1~4 pin2~9 of IC1826
■
IC5801 Fan control
SDATA Voltages data out
SCLK Clock out
FAN-CS1~CS3 H: Enable
Full lamp mode;
Fan drive-Voltages
Reading temp. CS1 CS2 CS3
25*C 9.0V 9.0V 9.6V
30*C 10.5V 10.5V 9.6V
35*C 12.5V 12.5V 12.0V
40*C 14.0V 14.0V 13.5V
Note: CS1 is only 9.0V when 1-&-4 or 2-&-3 lamp mode.
CS1
25*C 9.0V
30*C 10.5V
35*C 12.5V
40*C 14.0V
Note: CS1 is only
9.0V when 1-&-4
or 2-&-3 lamp
mode.
