Maintenance
Remove the Combiner
board
1. Remove power su
pply module(s) from the instrument.
2. Disconnect the two power cables from J10 and J20 on the Combiner board.
Figure 3
-14: Disconnecting the line filter power cables from the Combiner board
3. Discon
nect the white multi-wire power cable from J111 on the Combiner
board by pushing down on the lock tab and pulling back with a very slight
side-to-side rocking motion. This connector is a snug fit, so it will take a bit
of effort to disconnect. (See Figure 3-10.)
4. Disconnect all four fiber-optic light pipes from the light pipe housings on the
board.Useneedlenoseplierstofirmly hold each light pipe near the light pipe
housing on the board and pull straight up.
5. Remove the six screws holding the board to the chassis (reassembly torque:
4.0 in/lb.). Remove the board by lifting slightly and disconnecting from the
power supply bay, and remove the board shield.
3–20 ECO8000 Series Service Manual
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