Dc Power Supply Unit Replacement - Fujitsu M2361A Customer Engineering Manual

6.6.3 DC power supply unit replacement
(1) Removal
CD
Remove connectors (CN61. 63. 65 - 67) that go out from the power
supply unit.
~
Remove the input AC power cable.
CD
Remove the 6 screws and the 2 brackets holding the power supply unit.
QD
Slide out and remove the power supply unit.
(2) Installation
Follow. in reverse order. the procedures for removal.
(3) DC voltage adjustment
Check the DC voltages at the check terminals (W1-W6) on the back panel PCB
using digital multimeter. The check terminals' configuration is shown in
Figure 2.6.3. If a DC voltage is out of the permitted range listed in
Table 6.6.1 readjust the corresponding variable resistor shown in Figure
6.6.5.
Table 6.6.1 Permitted range of DC voltage
DC Voltage
Permitted Range Check Terminal
+12 V 11.4
rv
12.6 V W3
+5 V 4.75
rv
5.25 V W2
-4 V
-3.8
rv
-4.2 V
W6
-5.2 V
-4.94'\, 5.46 V
W4
-12 V -11.4
rv
-12.6 V W5
GND
-
WI
B03P-482S-0002A •••
Ol
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