How To Remove The Cpu Board - American Dynamics SpeedDome Ultra Installation And Service Manual

How to Remove the CPU Board

Referring to Figure 4-4.
1. Remove the cap.
Remove the three Phillips head screws holding the
cap in place, then "gently" lift the cap to one side.
2. Detach connectors.
On the CPU board, detach the 8-pin power supply
cable from connector P3, the pan motor cable from
connector P4, and the 14-pin slip ring cable from
connector P2.
3. Remove the CPU board.
Push your finger through the large finger connector
hole in the cap to pop the CPU board out.
CAUTION—ELECTROSTATIC
SENSITIVE DEVICE! Use a grounding
strap when handling the board.
Reverse steps to reassemble.
Be careful not to pinch wires!
When inserting the CPU board into the
housing, be careful not to pinch the power
supply cable wires against the standoffs.
Figure 4-4.
P2
P4
P3
Metal fingers of
ribbon cable must
face contacts of
connector.
How to Remove the P/S Board
Referring to Figure 4-5.
1. Perform the procedure "How to Remove the
CPU Board" (this page).
2. Remove the metal shield.
Remove three standoffs holding the metal shield in
place, gently remove the power supply cable
grommet from the shield, then "gently" lift the shield
out of the housing.
2. Detach the fan motor cable.
This cable connects to connector CN3 on the power
supply board.
3. Remove the power supply board.
Remove the three standoffs, then remove the power
supply board from the housing.
Reverse steps to reassemble.
Figure 4-5.
SPEEDDOME ULTRA
4-6
DO NOT pull on cables!
Be careful not to pull on delicate cables
attached to the power supply board.
CAUTION—ELECTROSTATIC
SENSITIVE DEVICE! Use a grounding
strap when handling the board.
Fan
Cable
P/S
Cable
Pan
Motor
Cable
SERVICE
Metal
Shield
Power
Supply
Board
Slip
Ring
cable