Service Manual
4-3
4.2.2
SENSOR INPUT
The sensor input includes home position sensor.
Home position sensor
The home position of the carrier motor is detected by photo sensor. The photo transistor
transmission to the photo sensor receiver circuit is shown below.
Figure 4.3 Home Sensor
The home position is detected when the carrier passes between the LED and the photo transistor.
4.2.3
SUB POWER SUPPLY CIRCUIT
The sub power supply circuit is provided for the internal analog circuit. Input is 24V and
output is Vcc and +5Va. The circuit configuration is shown below:
Figure 4.4 Power Aupply Circuit Configuration
The sub power supply is used for: A/D, and logic circuits.
Switching
Regulator
+24V
+1.5V
+2.5V
+1.25V
+1.8V
+ 3.3 V
+ 32V
+ 16V
Linear
Regulator
+24V
+12V
Содержание @V6600
Страница 1: ...Network Scanner Service Manual P N 253 0115 E Avision Inc...
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Страница 36: ...6 4 2 Press both sides of the ADF pad inwardly with your fingers to pull out the ADF pad from the slot ADF Pad...
Страница 39: ...Service Manual 6 7 Output Tray...
Страница 41: ...Service Manual 6 9 ADF Front Cover...
Страница 43: ...Service Manual 6 11 3 Pry the front case open with a flat screwdriver 4 Open the front case...
Страница 50: ...6 18 6 Unplug the cable from the ADF chassis 7 Remove the 1 fixing screw on the ADF chassis...
Страница 51: ...Service Manual 6 19 8 Remove the ADF chassis from the ADF document cover ADF Chassis...
Страница 53: ...Service Manual 6 21 ADF Chassis...
Страница 55: ...Service Manual 6 23 3 Remove the ADF motor from the hole on the ADF document cover ADF Motor...
Страница 57: ...Service Manual 6 25 3 Remove the 8 fixing screws on the document cover to remove the hinges Hinge...
Страница 59: ...Service Manual 6 27 Metal Cover...
Страница 61: ...Service Manual 6 29 5 Unplug the 2 cables on the back of the main board to remove the main board Main Board...
Страница 64: ...6 32 Name Plate...
Страница 66: ...6 34 5 Pry the bottom of the Panel open with a flat screw driver 6 Unplug the cable on the panel main board...
Страница 67: ...Service Manual 6 35 7 Remove the 6 fixing screws on the panel main board Name Plate...
Страница 69: ...Service Manual 6 37 6 Remove the panel screen from the panel Panel Screen...
Страница 71: ...Service Manual 6 39 7 Remove the 2 fixing screws on the back cover of the panel Back Cover of the Panel...
Страница 74: ...6 42 5 Lift and remove the upper housing Upper Housing...
Страница 80: ...6 48...
Страница 81: ...Service Manual 6 49 10 Unplug the cable to remove the motor Motor...
Страница 83: ...Service Manual 6 51...
Страница 84: ...6 52 Inverter...
Страница 86: ...6 54 Lamp Assembly...