Technical Support - A.D.L.
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11.10 DSP drum positioning device (Drum-Self-Position)
The DSP or Drum Self Position is an electronic device for putting the drum in the right position so that once the wash
cycle is finishes the 2 load lids are in the upper part of the washing machine so that the person operating it does not
have to rotate the drum manually.
1.
Main electronic circuit board
10. DSP
internal
circuit
R1 1
K
Ω
5 %
C1
4.7 µF 50 V 10 %
11.10.1 DPS operating control
-
Power the DPS circuit between the 5 V and
Mass (GND) with a voltage of 5 V.
-
Position a 4.7 K
Ω
element between the OUT points
and the mass (GND).
-
Use the voltmeter to measure the voltage in the
element ends (V+ V- points).
Test circuit
DPS sensor with metallic mass inserted.
Voltage measured at the V+ V- < 1.5 V ends.
DPS sensor with no metallic mass inserted.
Voltage measured at the V+ V- > 3.8 V ends.
Metallic pulley mass
Metallic pulley mass
DPS
DPS
V-
V+
