20-22
20.4 Scanner DC Power Supply Unit and Circuit Boards
1. Remove the rear cover
.
2. Connect the power supply cord and turn ON the
built-in circuit breaker.
3. Press the START switch to start up the system.
4. Measure the DC voltage at the points shown in
the table below.
5. Adjust the voltage by turning the VR on the DC
power supply unit.
6. Shut down the system.
7. Turn OFF the built-in circuit breaker and
disconnect the power supply cord.
8. Reinstall the rear cover.
20.4.1
DC Power Supply Voltage Adjustment
Measuring Points
DC Voltage Range
+ Terminal
GND
Terminal
PS6-1
PS6-6
5.2 ± 0.2V
PS6-2
PS6-7
-5.2 ± 0.2V
PS6-3
PS6-8
12.2V ± 0.5V
PS6-4
PS6-9
-12.2V ± 0.5V
PS6-5
PS6-10
20.2V ± 0.3V
PS5-3
PS5-9
5.2 ± 0.2V
PS5-6
PS5-12
12.2V ± 0.5V
PS7-1
PS7-4
5.2 ± 0.2V
PS7-2
PS7-5
12.2V ± 0.5V
PS7-3
PS7-6
24.2V ± 1.2V
PS5-1
PS5-7
5.2 ± 0.2V
PS5-2
PS5-8
24.2V ± 1.2V
PS4-1
PS4-9
5.2 ± 0.2V
PS4-3
PS4-11
12.2V ± 0.5V
PS4-5
PS4-13
-12.2V ± 0.5V
PS4-7
PS4-15
24.2V ± 1.2V
9
16
1
1
4
6
10
1
5
7
12
1
6
5
8
1
3
4
1
2
4
5
8
1
4
4
6
1
3
8
Z
2
205