7-1
7 Component Removal
This sections contains instructions for removing/replacing the TLS-450PLUS console Ack Switch/Display door,
CPU board, AC Input Filter, Power Supply board, Printer door, SD card, Features iButton, Backup Battery, and the
SATA drive.
Safety Warnings
Precautions Against Static Electricity
Before removing electronic components from their anti-static bags read the following static electricity precautions.
1. Before handling any components, discharge your body's static electric charge by touching a grounded surface.
2. Do not remove parts from their anti-static bags until you are ready to install them.
3. Do not lay parts on the anti-static bags! Only the insides are anti-static.
4. When handling parts, hold them by their edges and their metal mounting brackets.
5. Avoid touching components or edge connectors that plug into slots and wear the anti-static wrist strap (Part
No. 576010-908) included in your component replacement kit.
6. Never slide parts over any surface.
7. Avoid plastic, vinyl, and Styrofoam in your work area.
WARNING
This console contains high voltages which can be lethal. It is also connected to low
power devices that must be kept intrinsically safe.
FAILURE TO COMPLY WITH THE FOLLOWING WARNINGS AND SAFETY
PRECAUTIONS COULD CAUSE DAMAGE TO PROPERTY, ENVIRONMENT,
RESULTING IN SERIOUS INJURY OR DEATH.
1. Turn off and tag power at the circuit breaker. Do not connect the console AC
power supply wires at the breaker until all devices are connected.
2. Attach conduit from the power panel to the console's Power Area knockouts
only.
3. Comply with all applicable codes including: the National Electrical Code;
federal, state, and local codes; and other applicable safety codes.
Connecting power wires to a live circuit can cause electrical shock that may result in
serious injury or death.
Routing conduit for power wires into the intrinsically safe compartment can result in
fire or explosion resulting in serious injury or death.
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