Sanyo PLC-XF20 Service Manual page 21

IC2541
Temp. sensor
(periphery of B-Panel )
ASSY,PWB,SUBPOWER ML6A
L6604
9V
Q6609
D6613
POWER-SW
P-FAIL
POWER-SW
8 7 6 5
Q6613
IC6606
VR6601
1 2 3 4
Q6602
16V 16V
L6603
POWER-SW
16V
CS2
FAN-ON
D6611
8 7 6 5
P-FAIL
IC6601
1 2 3 4
SCLK
8 7 6 5
FAN-ON
IC6603
1 2 3 4
8 7 6 5
IC6602
1 2 3 4
SCLK
8 7 6 5
IC6604
1 2 3 4
FAN
CONTROL
TO_MAIN_K8C
Temp. sensors location
For
R-panel
Ass'y Sensor
For
Temp. sensor
B-panel
(outside air)
9V
15.5V
CS2
P-FAIL
P-FAIL
CS2
25*C 9.0V
30*C 10.5V
35*C 12.5V
40*C 14.0V
CS3
25*C 9.6V
30*C 9.6V
16V
35*C 12.0V
40*C 13.5V
CS2
CS3
P-FAIL
RL12
P-FAIL
K66C
-21-
SW906
100*C
SW905
100*C
SW904
90*C
SW903
100*C
For
G-panel
TP2661
1 K26F
P-FAIL
1
K26E
1 K26G
P-FAIL
P-FAIL
1 K26H
5
P-FAIL
1 K26J
P-FAIL
ASSY,PWB,NET ML6A
K26K
1
CS2
CS3
P-FAIL
6
1
K26T
SW904
90*C Break
4
SW903
1
K26U
100*C Break
SW905 SW906
4
100*C Break
100*C Break
TEMP._SW_X4
for_LAMP ASSY,PWB,NET ML6A
Are thermal switches(SW903~906) operating?
If a temperature on the periphery of lamp reaches 90*C or 100*C,
the +B(RL-12) for PFC-circuit will be turned off.
SW904 90*C
SW903/905/906 100*C
FN907
FOR BALAST
FN902
FOR PBS
FN915
FOR PBS
FN901
FOR B UV
1
FN908
K26L
P-FAIL FOR BALAST
1
FN906
K26M
P-FAIL FOR SET
1
FN909
K26N
P-FAIL
FOR LAMP1
1
FN910
K26P
P-FAIL
FOR LAMP2
1
FN911
K26Q
P-FAIL
FOR LAMP3
1
FN912
K26R
P-FAIL
FOR LAMP4
OPEN : abnormal