Zeiss humphrey HFA II-i series, Field Service Manual

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Humphrey Field Analyzer II - i Parts Removal/Replacement
Confidential and Proprietary
52235C1105 3 - 19
Field Service Guide
10) Remove the clamp up through the top corner hole of the CPU/Backplane Enclosure.
11) Remove the five M3 screws that secure the Backplane board to the bottom of the
CPU/Backplane Enclosure.
12) Remove the upper fan connector.
13) Remove the CPU PCB and Backplane board as a unit from the CPU/Backplane
Enclosure.
Follow-up Checks/Adjustments:
See Table 3-1.
3.8 Motor Driver PCB Removal
1) Remove the front cover assembly (3.2).
2) Remove the rear cover assembly (3.3).
3) Disconnect the camera cable connector from the P14 connector located in the lower
left side of the Motor Driver Board (MDB).
4) Disconnect the chinrest motor cable connector from the P5 connector located at the
upper left corner of the MDB.
5) Disconnect the Projection Interconnect cables from the P1 and P2 connectors located
at the top of the MDB.
6) Disconnect the projection lamp cable and the yellow lamp cable connectors from the
P3 and P4 connectors located on the top right side of the MDB.
7) Disconnect the Fixation Interface Board cable connector at the P7 connector located
in the top right corner of the MDB.
8) Disconnect the Chinrest Interface Board cable connector at the P10 connector located
on the top right side of the MDB.
9) Disconnect the JXVID ribbon cable connector at the P13 connector located in the
lower right side of the MDB.