Replacement Of Psb (±15V Supply) - Konica Minolta REGIUS 190 Service Manual

2.7 Electrical Unit
2.7.5 Replacement of PSB (±15V supply)
1.
Remove the rear cover.
p.28")
2.
Unplug two connectors from PSB (±15V supply).
• JP6, JP7
3.
Remove a fixing screw, and pull out the PSB from board's
support legs (3pcs).
4.
Carry out reassembly in the reverse order to that described
above.
•
Remarks for installation
When it is replaced with a new PSB, check the voltage at the
following point is +15V and -15V using a digital multi meter.
• +15V: PCB JP7 / PIN1 (+15V) - PIN2 (GND)
• -15V: PCB JP7 / PIN3 (-15V) - PIN2 (GND)
("2.2.1 Removal of the Rear Cover,
REGIUS MODEL 190 Service Manual Ver.1.00 2004.11.01
PSB (+/-15V supply)
87