9-6
9.1 Power Supply Section
1. Remove the rear cover
.
2. Connect the power supply cable to the DC power
supply unit and turn ON the built-in circuit breaker.
3. Press the START switch to start the system.
4. Measure the DC voltages at the measuring points
as shown in the table below.
5. Adjust the voltages by turning each VR.
6. Shut down the system.
7. Turn OFF the built-in circuit breaker and
disconnect the power supply cord.
8. Reinstall the rear cover.
9.1.5
Power Supply Voltage Adjustment
VR
Measuring Points
DC Voltage
Range
+Terminal
Ground
Terminal
D+3.3V
PS1-1
PS1-2
3.3±0.1V
D+5V1
PS1-3
PS1-4
5.1±0.1V
D+5V2
PS4-1
PS4-9
5.1V±0.1V
A+5V
PS2-4
PS2-8
5.1V±0.1V
A–5V
PS6-2
PS6-7
–5.2V±0.1V
A+12V
PS4-3
PS4-11
12.2±0.5V
A–12V
PS4-5
PS4-13
–12.2V±0.5V
A+20V
PS6-5
PS6-10
20.2±0.3V
P+12V1
PS2-3
PS2-7
12.2V±0.5V
P+12V2
PS5-6
PS5-12
12.2V±0.5V
P+24V
PS4-7
PS4-15
24.2±1.2V
9
16
1
1
4
8
6
10
7
12
1
6
1
5
5
3
4
VR
1
2
8
1
4
5
8
1
4
4
6
1
3