32
AVIC-W8400NEX/XNUC
1
2
3
4
A
B
C
D
E
F
1
2
3
4
5.5 DIAGNOSIS FLOWCHART FOR DVD CORE UNIT
5.6 FAN ROTATION CONTROL
IF UNIT(SERVICE)(Side A)
R4049
R4043
Refer to the DVD Mechanism Module Manual CX-3311(CRT5651).
Fan rotation is controlled depending on DVD mecha pickup and SOC Thermistor temperature.
Fan rotation control and temperature
DVD mecha pickup
Temperature
60 degrees C or more
>
-
70 degrees C or more
>
-
79 degrees C or more
>
-
74 degrees C or less
>
-
Rotation Control
SLOW
FAST
STOP
SLOW
MEDIUM
FAST
MEDIUM
MEDIUM
62 degrees C or less
50 degrees C or less
SLOW
MEDIUM
SLOW
STOP
>
-
>
-
SOC Thermistor
Temperature
40 degrees C or more
60 degrees C or more
90 degrees C or more
81 degrees C or less
55 degrees C or less
35 degrees C or less
The rotation speed is set a specification that matches more fast condition of each device.
Voltage
SLOW :
5.97
V
MEDIUM : 6.98 V
FAST :
11.7
V