Orban OPTIMOD 6200 Operating Manual page 123

OPTIMOD
F) Remove the two ribbon cables that connect the power supply to the main board at
jumpers J900 and J901. (If present, you must first remove the black retainer clips.)
G) Remove the ten #1 Phillips screws (and their washers) that connect the main board
to the chassis.
Carefully pull the main board forward to clear XLRs from their housing and then
H)
out of the chassis.
5. Removing the Power Supply Board.
If you have not done so yet, remove the top cover (Step 1, above).
A)
If you have not done so yet, remove the ribbon cables that connect the display as-
B)
sembly to the power supply board (at jumpers J201 and J202), as well as the two
cables that connect the main board to the power supply (at jumpers J900 and
J901).
Remove the seven #1 Phillips screws (and their washers) holding the heat sink to
C)
the side of the chassis.
Remove the nut and star washer from the ground wire with a ¼-inch nut driver.
D)
E) Remove the two Phillips screws (and matching washers) that hold the IEC connec-
tor to the chassis.
Remove the two plugs (J4 and J6) that connect the power supply board to the
F)
transformer.
If present, remove the white fasteners that tie the two cables to the power
supply board.
Remove the three Phillips screws holding the power supply board to the main
G)
chassis.
Carefully lift the power supply board up.
H)
6. Reattaching the Power Supply Board.
Set power supply board into main chassis, so that it aligns with its mounting holes.
A)
Replace the two Phillips screws that hold the IEC connector.
B)
C) Replace the seven #1 Phillips screws that hold the heat sink to the side of the chas-
sis.
Replace the ground wire nut.
D)
Replace the three Phillips screws that hold the power supply board to the main
E)
chassis.
F) Reattach the two plugs (J4 and J6) that connect the power supply board to the
transformer.
If the display board is installed, reattach the two ribbon cables that connect the
G)
display board to the power supply board (at jumpers J202 and J201).
4-5
MAINTENANCE