Onkyo HT-R560

TX-SR506
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
63
66
VOLH
THERMAL
Thermal sensor
67
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
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299
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http://www.xiaoyu163.com