-22-
Abnormal Lamp
System control
FN908
FN912
FN909
FN910
FN911
FN906
SW906
SW905
SW904
SW903
100*C Break
90*C Break
FN902
FN915
FN901
FN907
K26R
K26Q
K26P
1
1
1
1
6
K26M
1
1
K26L
1
K26N
K26T
K26U
K26K
1
1
4
4
K26J
K26H
K26G
1
1
1
1
5
K26F
1
K26E
K66C
D6613
L6604
L6603
Q6602
9V
F
AN-CS2
9V
16V
F
AN_CS3
IC6604
IC6602
Q6621
Q6616
IC6601
IC6603
IC6606
Q6613
D6619
15.5V
VR6601
D6611
K66E
D6605
SD
A
T
A
P-F
A
IL
SCLK
Q6609
K66F
P-FAIL
P-FAIL
PO
WER-SW
P-FAIL
P-FAIL
P-FAIL
P-FAIL
P-FAIL
P-FAIL
P-FAIL
P-FAIL
P-FAIL
TP2661
P-FAIL
P-FAIL
P-FAIL
P-FAIL
P-FAIL
P-FAIL
P-FAIL
F
AN_ON
POWER-SW
POWER-SW
POWER-SW
FAN-ON
SCLK
SD
A
T
A
SD
A
T
A
FAN-ON
F
AN-CS3
F
AN-CS2
SCLK
16V
16V
CS2
CS2
CS2
CS3
100*C Break
100*C Break
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
1
2
3
4
5
6
7
8
Lamp_monitor
K6C
DB601
K6B
K6A
L611
ASSY,PWB,POWER ML6A
A
C
_INPUT
HOT
F901
SW902
AC
FAN
CONTROL
FOR BALAST
FOR SET
FOR LAMP4
FOR LAMP1
FOR LAMP2
FOR LAMP3
FOR PBS
FOR BALAST
FOR B UV
FOR PBS
ASSY,PWB,NET ML6A
ASSY,PWB,NET ML6A
16V
ASSY,PWB,SUBPOWER ML6A
CS3
CS2
RL12
RL12
TO_MAIN_K8C
TEMP._SW_X4
for_LAMP
Are thermal switches(SW903~906) operat-
ing?
Check Fan !
Check fan drive voltages
1. Is lamp cover of projector removed?
The interlock switch (SW902) cuts off the circuit of
projector from AC line when lamp cover is removed.
2. Is boss of lamp cover inside broken or not fitting?
Check the Interlock switch(SW902) and boss of lamp
cover.
SW902
OPEN : abnormal
Is fuse (F901) blown?
Check +B(RL-12)
for PFC circuit.