Sanyo PLV-WF10 - Page 32

-32-
Check the DC Voltages and Air-flow control circuit
NO POWER -3 and
TEMPERATURE ABNORMALITY -2
Troubleshooting
Q6
EC
B
Q2
EC
B
Q9
EC
B
10
IC2
IC5
IC1
7
14
3
73
12
13
14
1 2 3 1 2 3 1 2 3 4 5 64 5
IC6
4
6
7
2
3
2
3
9
10
11
12
Q16
Q12 L5
L7
Q14
Q18
IC4
FAN-C FAN-C FAN-A FAN-B
PF-8PF-6PF-4
PF-1
PF-3
PF-4
PF-5
PF-6
PF-7
PF-8
PF-4PF-4
PF-5
PF-3
PF-7
Power Failure
I / O Expander
3.3V
16V
9V
6.3V
5V
16VA
-5V
3.3V
16V
5V
16VA
-5V
9V
6.3V
16V
-5V
PF-1
Power On / Off Signal
Power On / Off Signal
SCL
SDA
SCL
SDA
SCL
SDA
K66H
K66E
K66F
K66D
K66A
Air-flow control signal
Air-flow control signal
Air-flow control signal
FAN-C
FAN-A
FAN-B
Unit Sub power
9
9
4

Fan on/off signal
H : ON L : OFF
TP7611TP7611 TP7613TP7613
TO ASSEMBLY MAIN
FROM ASSEMBLY POWER
CHECK !
FAN DRIVE OUTPUT
CHECK !
FAN ON/OFF SIGNAL
CHECK !
VOLTAGE CONTROL SIGNAL
CHECK !
DC VOLTAGES