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4-4
MAINTENANCE
Do not remove the tape from the white ribbon cables.
3. Removing the Display Assembly. (Model 6200S)
[Refer to step 2 to remove 6200 OPTIMOD-DAB Display board.]
Detach the four ribbon cables that connect the display board assembly to the main
A)
board and power supply board.
First, identify the four cables:
a)
A larger white flat cable connecting to jumper J102 on the main board;
A gray ribbon cable connecting to a DIP header at jumper J103 on the main
board.
A smaller white flat cable connecting the display assembly to the power sup-
ply at jumper J202.
A two-wire cable connecting the display assembly to the power supply at
jumper J201.
Gently lift each cable up from where it connects to its jumper, so that the
b)
jumper pins unseat without bending or breaking.
If present, remove the white fastener that ties the two-wire cable next to the
large black cables of J4.
Detach the front panel display assembly from the unit.
B)
Remove the six rack ear screws on the sides of the unit.
a)
Remove the display boards from the front panel assembly.
C)
Remove the four nuts that secure the rear cover of the display assembly to the
a)
front panel and then remove the rear cover.
b)
Remove the eight screws that mount the rear display board to the front panel.
Disconnect the rear display board from the front display board.
c)
Remove the two screws that hold the front display board to the front panel.
d)
4. Removing the Main 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 main board (at jumpers J102 and J103).
Disconnect the Remote Interface assembly from the J101 connector. (Model 6200
C)
OPTIMOD-DAB only)
Remove the four hex nuts holding the two RS-232 connectors to the chassis, using
D)
a 3/16-inch hex nut driver.
E)
Unlock all 7 XLR connectors, using a jeweler's screwdriver; engage the locking
mechanism (in the center of the triangle formed by the three contact pins) and turn
counterclockwise until the XLR is no longer attached.
Orban Model 6200
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