VARILITE VL4 - Voltage Selector PCB Removal and Replacement

C
HAPTER
3. M
AINTENANCE
P
ROCEDURES
3-81
02.9628.0010 CONFIDENTIAL
7-Oct-97
3.3.5.2 Voltage Selector PCB Removal and Replacement
Parts
:
1 EA PCB ASSY, VL4 VOLTAGE SELECTOR (VSB)
(24.9628.0026)
Tools
:
Screwdriver, Phillips #1
Screwdriver, Phillips #2
To remove and replace voltage selector PCB:
Step 1. Remove power to luminaire.
Step 2. Remove left air filter and left chassis cover.
a. At left electronics chassis air filter, while pressing down on
filter, pop out top of filter from chassis and fully remove
filter.
b. Remove four 6-32x5/16"PPB screws that secure left top
cover to chassis and remove cover (
Figure 3-28
).
Step 3. Remove arc power supply.
APSTB1
AIR FILTER
ARC POWER SUPPLY
CHASSIS COVER
COUNTERSINK
6-32X5/16"PPB SCREW
6-32X5/16"PPB SCREW
#6 X 0.17"OD X 0.125"L
NYLON SHOULDER
BUSHING
Figure 3-28. Cover and Power Supply Removal and Replacement