Assembly Removal and Replacement, MS202xC 6-22 Replacing MS202xC Main PCB Assembly
MS20xxC MM PN: 10580-00307 Rev. D 6-49
Removing the GPS Receiver Module:
6. If the GPS Receiver Module PCB (Option 31) is not installed, or if it has already been removed, then skip
ahead to the next step. If it is installed and has not been removed, then perform the following sub steps:
a. Undo the two screws holding the GPS Receiver Module in place.
b. Gently pull the GPS Receiver Module straight up to disconnect its 14-pin header connector. The
header connector should stay with the GPS Receiver Module.
Preparing the Replacement Main PCB:
7. Prepare the replacement Main PCB by installing the original LCD Display and, if equipped, the GPS
Receiver Module, as described in the following steps.
8. Install the LCD Panel Assembly:
a. Fasten the LCD assembly in place with four (4) pan head screws.
Torque these screws to 7.5 lbf·in (0.85 N·m).
b. Attach the LCD backlight cable to Mother Board connector P6000 (item 3 in Figure 6-19).
c. Attach the LCD Signal cable to the J4202 connector socket on the Main PCB (refer to Figure 6-18).
9. Before installing the reassembled Main PCB Assembly, clean the Clear Plastic LCD Protection Plate by
using compressed air and LCD-compatible wipes.
10. The Main PCB Assembly is now ready to reassemble into the Case Front Assembly. Continue with the
reassembly process in Section 6-25 “Installing Main PCB and Reassembling Instrument” on page 6-52.
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