Sanyo PLC-XF40 Service Manual page 29

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TEMPERATURE ABNORMALITY -2
Check the fan control circuit
BUFFER
FAN
ON/OFF
SIGNAL
From pin4 of IC6611
H : ON L : OFF
CHECK !
VOLTAGE
CONTROL
SIGNAL
From IC6611
Troubleshooting
CHECK !
VOLTAGE CONTROL OUT
CHECK !
-32-
CHECK !
FAN DRIVE
OUTPUT

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