Orban OPTIMOD-FM 8600, Operating Manual

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MAINTENANCE ORBAN MODEL 8600
E) Fully tighten the four Phillips screws holding the power supply assembly to
the top apron of the chassis
F) Fully tighten the two Philips that hold the IEC connector.
G) Replace the two cable assemblies from the power transformer.
H) Replace the nut securing the green ground wire to the chassis.
I) Reattach the three ribbon cables to the power supply.
J) Reattach the two cable assemblies from the power transformer.
15. Reinstalling the I/O Board and DSP board:
Referring to steps 2 and 3, follow the instructions in reverse.
16. Reinstalling the Base Board.
Referring to step 12, follow the instructions in reverse.
Note that you cannot replace the RS-232 board, Display Interface Board, and the
CPU board until you have replaced the base board.
17. Reinstalling the Display Interface Board.
Referring to step 11, follow the instructions in reverse.
•
To avoid bent pins or other damage, verify that all connector pins are aligned
before applying force.
•
Verify that pin one of the ribbon cables (red stripe) is oriented correctly. Pin 1
is indicated by the number “1” or a square pad.
•
Note that you cannot replace the CPU board until you have replaced the Base
Board and the display interface board.
18. Reinstalling the CPU Board:
To avoid bent pins or other damage verify that all connector pins are aligned be-
fore applying force.
Referring to step 10, follow the instructions in reverse.
19. Reinstalling the RS-232 Board:
Referring to step 9, follow the instructions in reverse.
20. Reassembling the Color LCD Display and carrier board.
Referring to step 8, follow the instructions in reverse.
Verify that pin one of the ribbon cables (red stripe) is oriented correctly.
Pin 1 is indicated by the number “1” or a square pad.
21. Reinstalling the Rotary Encoder Board.
Referring to steps 6 and 7, follow the instructions in reverse.