Rap 1.4 Punch +24Vdc Power - GBC FusionPunch II Service Manual

RAP 1.4 Punch +24VDC Power

Initial Actions
Check fuse FS-1 on the +24VDC Power Supply
PWB (PL 3.1). If this fuse is blown, the
machine may appear to have a problem with
main AC Power.
Procedure
1. Ensure all machine interlocks are closed.
Switch off Machine Main Power and
remove the Punch Right Rear Panel.
2. On the Punch I/O PWB, disconnect P/J 6.
Check continuity between P 6-24VI and P
6-24V.
There is continuity through the closed
Punch Interlocks.
Y N
Go to RAP 3.1 Punch Interlock
Switches.
Reconnect P/J 6 and go to Step 3.
3. Switch on the Main Power.
WARNING
There are areas of high voltage on the
Power Supply. Use caution when
working in this area with the
multimeter probes.
4. On the +24 VDC Power Supply PWB,
check for AC voltage on CN1, across the
brown and blue wires.
There is 108 to 120 Volts AC across the
brown and blue wires at CN1.
Y N
RAP 1.4 Punch +24VDC Power
On the AC/DC Distribution PWB,
check for AC voltage on P/J 2, across
the brown and blue wires.
Y N
On the AC/DC Distribution PWB,
check for AC voltage on P/J 1,
across the brown and blue wires.
If the voltage is OK, replace the
Punch AC/DC Distribution PWB
(PL 3.1). If the reading at this
point is bad, go to RAP 1.1 AC
Power to the Punch.
Replace the harness between J2 on
the AC/DC Distribution PWB and the
+24 VDC Power Supply PWB
(PL 6.1B).
Place the common lead on CN2, Pin 5, 6,
7, and 8 (black wires) and the positive
lead on Pin 1, 2, 3, and 4 (orange wires) on
the +24VDC Power Supply PWB.
The voltage is +23.5 VDC to +25.5 VDC.
Y N
Replace the Punch +24 VDC Power
Supply PWB (PL 3.1).
On the Punch AC/DC Distribution PWB,
check for +24 VDC between P/J 4-24V
and P/J 4-0V.
The voltage is +23.5 VDC to +25.5 VDC.
Y N
Replace the harness between P/J 4
on the Punch I/O PWB and CN2 on
the +24 VDC Power Supply PWB. (PL
6.1B)
12/2003
2-10
On the Punch AC/DC Distribution PWB,
check for +24 VDC between P/J 12-24V
and P/J 12-0V.
The voltage is +23.5 VDC to +25.5 VDC.
Y N
Replace the Punch AC/DC
Distribution PWB (PL 3.1).
On the Punch I/O PWB, check for +24
VDC between P/J 28-24V and P/J 28-0V.
The voltage is +23.5 VDC to +25.5 VDC.
Y N
Replace the harness between P/J 28
on the Punch I/O PWB and P/J 12 on
the Punch AC/DC Distribution PWB.
(PL 6.1A)
On the Punch I/O PWB, check for +24
VDC between P/J 26-24V and P/J 26-0V.
The voltage is +23.5 VDC to +25.5 VDC.
Y N
Replace the Punch I/O PWB (PL 3.1).
On the Little Star Controller PWB, check
for +24 VDC between P/J 1-DC IN and P/J
1-GND.
The voltage is +23.5 VDC to +25.5 VDC.
Y N
Replace the harness between the
Punch I/O PWB P/J 26 and the Little
Star Controller PWB P/J 1
(PL 6.1A).
On the Punch AC/DC Distribution PWB,
check for +24 VDC between P/J 14-24V
and P/J 14-0V.
GBC FusionPunch II Service Manual