Replacement Of Sup1 (Dc5V / 24V Supply) - Konica Minolta REGIUS 190 Service Manual

2.7 Electrical Unit
2.7.6

Replacement of SUP1 (DC5V / 24V supply)

1.
Detach the rear cover. ("2.2.1 Removal of the Rear Cover,
p.28")
2.
Remove a fixing screw "a", and loosen two fixing screws "b".
3.
Then remove the fan bracket.
• Pay attention to the connector for DC supply cooling fan,
located on the back of the fan bracket, and do not apply
an excessive force.
4.
Unplug a relay connector of the DC supply cooling fan.
• JJ60
5.
Unplug two connectors from SUP1 (DC5V / 24V supply).
• JP2, JP3
6.
Remove 4 fixing screws, and pull out SUP1.
7.
Carry out reassembly in the reverse order to that described
above.
•
Remarks for installation
When it is replaced with a new SUP1, check the voltage at the
following point is DC 5V and DC 24V using a digital multi meter.
• DC 5V: Between SUP1 JP3 / PIN 10 (5V) - PIN 7 (GND)
• DC 24V: Between SUP1 JP3 / PIN 5 (24V) - PIN 2
(GND)
88
REGIUS MODEL 190 Service Manual Ver.1.00 2004.11.01
Fixing Screw "a" Fixing Screw "b"
(remove) (loosen)
SUP1 (DC5 / 24V supply)
Fan Blacket
Relay Connector