3-98
V
ARI
*L
ITE®
-
VL2B
AND
VL2C
S
POT
L
UMINAIRE
S
ERVICE
M
ANUAL
CONFIDENTIAL
02.9631.0010
15 Jan 98
Step 4.
Remove motherboard from card cage.
a. At motherboard connector headers, disconnect all
connectors.
b. At card guides adjacent to transformer assembly and
opposite hour meter, using slotted screwdriver, gently pry
off and remove card guides (Figure 3-30).
c. At each connector header on motherboard, remove two 4-
40x5/16"PPZ screws that secure motherboard to card cage
and remove motherboard. (There are a total of 22 screws
that will be removed.)
4-40x5/16" PPZ SCREW
MOTHERBOARD
CARD CAGE
REMOVE THESE CARD
GUIDES TO ACCESS
MOTHERBOARD
VMEEXP2
HOUR METER
THIS SIDE
TWO SCREWS
FROM EACH
CONNECTOR
Figure 3-30. Motherboard Removal and Replacement
Step 5.
Replace motherboard by doing Steps 2 through 4 in reverse.