Orban OPTIMOD 6200, Operating Manual

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4-6
MAINTENANCE Orban Model 6200
H) If the main board is installed, reattach the two ribbon cables that connect the main
board to the power supply (J900 and J901).
7. Replacing the Main Board.
A) Set the main board into the main chassis, so that it aligns with its mounting holes.
B) Reattach all 7 XLR analog connectors, using a jeweler's screwdriver.
C)
Reattach the two RS-232 connectors to the chassis with the four hex nuts.
Use a 3/16-inch hex nut driver.
D)
Reconnect the Remote Interface assembly to the J101 connector. (Model 6200
OPTIMOD-DAB only)
E)
Replace the ten #1 Phillips screws that connect the main board to the chassis.
F)
If the power supply board is installed, reattach the two ribbon cables that connect
the main board to the power supply (J900 and J901).
G) If the display board is installed, reattach the two ribbon cables that connect the
main board to the display board (J102 and J103).
8. Replacing the Display Board. (Model 6200 OPTIMOD-DAB)
[Refer to step 9 to replace 6200S Display board.]
A)
Set the display assembly in place so that it aligns with its mounting holes.
B)
Replace the ten gold-colored screws that connect the display board to the front of
the chassis.
C)
Reattach the four cables that connect the display board to the main board and
power supply board.
The larger white flat cable connects to jumper J102 on the main board.
The gray ribbon cable connects to a DIP header at jumper J103 on the main
board.
The smaller white flat cable connects the display assembly to the power sup-
ply at jumper J202.
The two-wire cable connects the display assembly to the power supply at
jumper J201.
D) Attach the front panel assembly to the unit.
a) Line up the plastic front panel and snap it back on, making sure each key pad
button feeds through its respective hole properly.
b)
Reattach the ground lug that connects the panel's ground wire to the chassis.
Use a 1/4-inch nut driver or needle-nose pliers.
c) Reconnect the three-wire cable at the back of the encoder. (6200 OPTIMOD-
DAB only)