TX-SR606
OPERATION CHECK-5
COOLING FAN
Circuit configuration
Condition to operate
The cooling fan will stop or rotate at high speed or low speed under the following condition.
FANCTRL
Q701
Main Microprocessor
3
135
VOLH
THERMAL
Thermal sensor
136
FL
SR
SL
C
FR
SBL
SBR
Output sensor
Power amplifier
Note
: MWT, MWO, MWF type only
Cooling fan
Q9101, 9102
Q9111, 9112
Fan drive
Q6380
0 to 0.35
0.35 to 1.75
55 to 110
High Speed
Stop
Low Speed
High Speed
VOLH (V)
VOLH port of MPU
T ( C)
Thermal sensor
temperature
1.75 to 3.3V
High Speed
Operation of Cooling Fan
-30 to 55
High Speed
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299