![background image](http://html1.mh-extra.com/html/vari-lite/vl2b/vl2b_service-manual_3526154147.webp)
C
HAPTER
3. M
AINTENANCE
P
ROCEDURES
3-101
02.9631.0010
CONFIDENTIAL
15 Jan 98
3.3.15 Card Cage Assembly PCB Removal and Replacement
Parts:
1 EA
PCB ASSY, LOW VOLTAGE SUPPLY (LVS)
(VL2B/VL2C) (24.9620.0019)
1 EA
PCB ASSY, CONTROL INTERFACE (CIB) (VL2B)
(24.9620.0021)
1 EA
PCB ASSY, VL2 CIB MODIFIED FOR UPGRADE (VL2C)
(24.9637.0050)
1 EA
ASSY, VL2 LCB W.MEMORY & MODEM (VL2B)
(21.9620.0013)
1 EA
ELEC.ASSY, VL2 LCB COMBO W/UPGRADE BD (VL2C)
(23.9637.0009)
Tools:
Screwdriver, Phillips #2
To remove and replace card cage assembly PCB (Figure 3-29):
Step 1.
Remove power to luminaire.
Step 2.
Open chassis lid.
a. At electronics chassis, remove six 10-32x3/8"PPB screws
that secure chassis lid to chassis and open lid.
Step 3.
At card cage assembly, carefully pull and slide out PCB.
Step 4.
To replace card cage assembly PCB, do Steps 2 and 3 in
reverse. Ensure that board connectors are firmly seated in
motherboard.