Minolta Magicolor 3100 Series Service Manual page 93

FIP-DC
Step
Initial check
Check the following for damage.
1
Blown fuse in LVPS STD
AC power supply failure
Checking LVPS STD
Disconnect the connectors J163, J165 and J164 from the
2
LVPS STD, and turn the AC SW on.
Is P163-1PIN <=> P163-2PIN +24VDC?
Checking LVPS STD
3
Is P165-1PIN <=> P165-2PIN +5VDC?
Checking LVPS STD
4
Is P165-3PIN <=> P165-4PIN +3.3VDC?
Checking HARNESS ASSY LV RPG
Turn the AC SW off, and connect J164 to the LVPS STD,
5
then turn the AC SW on.
Is P/J164-1PIN <=> P/J164-2PIN +3.3VDC?
Checking HARNESS ASSY LVNC
Turn the AC SW off, and connect J165 to the LVPS STD,
6
then turn the AC SW on.
Is P/J165-1PIN <=> P/J165-2PIN +5VDC?
Checking HARNESS ASSY 24V
Turn the AC SW off, and connect J163 to the LVPS STD,
7
then turn the AC SW on.
Is P/J163-1PIN <=> P/J163-2PIN +24VDC?
Check
Chapter 1 Troubleshooting
Yes
Repair Go to step [2]
Replace LVPS
Go to step [3]
STD
Replace LVPS
Go to step [4]
STD
Replace LVPS
Go to step [5]
STD
Check HARNESS
Go to step [6] ASSY LV RPG for
frame short
Check HARNESS
Go to step [7] ASSY LVNC for
frame short
Check HARNESS
End of work ASSY 24V for
frame short
No
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