SpeedDome Ultra III Camera Dome
8000-2573-01, Rev. B
INSTALLATION AND SERVICE GUIDE
23
Removing the CPU Board
Referring to Figure 22.
1. Remove cap.
Remove three Phillips-head screws holding
cap, then “gently” lift cap to one side.
2. Detach connectors.
On CPU board, detach 8-pin power supply
cable from connector P1, pan motor cable from
connector P8, and 14-pin slip ring cable from
connector P2.
3. Remove CPU board.
Push your finger through large finger connector
hole in cap to pop out CPU board.
CAUTION:
Electrostatic-sensitive device. Use a
ground strap when handling CPU board.
4. Reverse steps to reassemble.
CAUTION:
Do not to pinch wires! When
inserting CPU board into housing, avoid
pinching power supply cable wires against
standoffs.
Figure 22. Removing the CPU board
Removing the P/S Board
Referring to Figure 23.
1. Perform procedure “Removing the CPU
Board” (this page).
2. Remove metal shield.
Remove three standoffs holding metal shield,
gently remove power supply cable grommet
from shield, then “gently” lift shield out of
housing.
CAUTION:
Do not pull delicate cables attached
to power supply board.
3. Detach fan motor cable.
Cable connects to connector CN3 on power
supply board.
4. Remove power supply board.
Remove three standoffs, then remove power
supply board from housing.
CAUTION:
Electrostatic-sensitive device. Use a
ground strap when handling power supply
board.
5. Reverse steps to reassemble.
Figure 23. Removing the P/S board
Pan
Motor
Cable
P/S
Cable
Fan
Cable
Metal fingers of
ribbon cable must
face contacts of
connector.
P1
P8
P2
