BC-3500 Series - Rowe International

BC-3500 Bill and Coin Changer
Coin Counting Phototransistor (Detector) Check
1. Turn the bill changer POWER switch OFF.
2. Remove the black plastic cover from the
phototransistor and connect the Common meter
lead to the metal dispenser backing plate as shown
in Figure 3-6A.
3. Connect the + meter lead to the blue wire. (See
Figure 3-6A).
4. Turn the POWER switch ON and check that the
LED’s are lit. The meter should indicate between
4.7 and 5.2 volts DC.
If the meter indication is not correct, the voltage regulator
VR801 on the power supply board (Part Number
70036501) may need replacement.
= Blue Wire
= Orange Wire
Figure 3-6A. Sensor Check
5. If the meter indication in Step 4 is correct, continue
this procedure. If the voltage was not between 4.7
and 5.2 volts, repair the malfunction before you
continue.
6. Move the + meter lead to the orange wire on the
phototransistor as shown in Figure 3-6B. The
meter should indicate between 3.5 and 5.0 volts
DC.
If the voltage is less than 3.5 volts, replace the
phototransistor board assembly with Part Number
25175702.
= Blue Wire
= Orange Wire
Figure 3-6B. Sensor Check
3-8 25238801