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3-106
V
ARI
*L
ITE®
-
VL2B
AND
VL2C
S
POT
L
UMINAIRE
S
ERVICE
M
ANUAL
CONFIDENTIAL
02.9631.0010
15 Jan 98
c. At APS switch board, disconnect two five-pin MTA
connectors at P1 and P2 and one two-pin MTA connector
at P3.
d. At base of heat sink assembly, remove four 6-32x5/16"PPZ
screws that secure heat sink assembly to APS chassis and
slide out heat sink assembly (heat sink assembly can also be
gently pried out from sides of APS chassis.
Step 5.
Remove rectifier or diode.
a. At APS switch board, locate rectifier or diode to be
replaced (Figure 3-36).
MADE IN USA
4-7-86 JHC
US PATENT NO. 4,392,187
SD-9620-148
APS SWITCH
APSWITCH
R45-R48
C106 (MOUNTED VERTICALLY)
Figure 3-36. Switch Board Resistors and Diodes Removal and Replacement
b. Unsolder faulty rectifier or diode.
Step 6.
Replace rectifier or diode by doing Steps 2 through 5 in reverse.