Invivo Millennia 3155A, Service Manual

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3-1
CAUTION
The PCMCIA Release Buttons are fragile. Take care in the following step to ensure that the
PCMCIA Release Buttons are not damaged during the removal of the Cover Assembly.
SECTION 3
ASSEMBLY/DISASSEMBLY PROCEDURES
3.0 ASSEMBLY/DISASSEMBLY PROCEDURES
3.0.1 Required Tools. The following tools are required to assemble/disassemble this monitor:
!
#2 Phillips Head Screwdriver
!
9/64 Ball End Allen Driver
!
Small Flat Head Screwdriver
!
#4-40 Hex Nut Driver
3.1 Monitor Disassembly/Reassembly. Perform the following procedure for access to the
internal printed circuit boards:
a. Disconnect AS153 DC Power Adapter from monitor back panel.
b. Remove the batteries.
c. Remove recorder paper and Recorder Assembly by loosening two (2) captive screws
located in the inner rear of the Recorder Assembly.
d. Remove PCMCIA I/O Port Cover.
e. Loosen screws on front feet of monitor enough to rotate feet 90° inward.
f. Remove six (6) screws securing cover assembly to the rear panel (two on each side and
two on the top).
g. Open battery door, then remove cover assembly by pulling toward the rear (first from the
bottom then from the top, working the assembly outward).
h. Remove the Front Panel Assembly as follows:
1) Remove three (3) screws located on the bottom of the Front Panel Assembly.
2) Loosen four (4) captivated allen screws located behind the Front Panel Assembly
(two on top and two in the middle).
3) Disconnect all cables from the Front Panel Assembly.
i. Reverse the above steps to reassemble the monitor.
3.2 AB69 and AB69A Removal/Replacement. Remove AB69 and AB69A as follows:
a. Perform paragraph 3.1 to remove the Cover and Front Panel Assemblies.
b. Remove the Display Driver Board ( AB77 ) as follows:
1) Unplug the cables attached to the AB77 board.
2) Remove five (5) screws from the
AB77
board.