Wagon An Drawer Sheet Met. Assembly Replacement - GE VIVID E9 Service Manual

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Wagon AN Drawer Sheet Met. Assembly replacement

Preparations

When preparing for the replacement, you must perform the following steps:

ENERGY CONTROL AND POWER LOCKOUT FOR VIVID E9.

WHEN SERVICING PARTS OF THE SYSTEM WHERE THERE IS EXPOSURE TO VOLTAGE

GREATER THAN 30 VOLTS:

1. TURN OFF THE BREAKER.

2. UNPLUG THE SYSTEM.

3. MAINTAIN CONTROL OF THE SYSTEM POWER PLUG.

4. WAIT FOR AT LEAST 20 SECONDS FOR CAPACITORS TO DISCHARGE AS THERE ARE NO

TEST POINTS TO VERIFY ISOLATION.

Beware that the Main Power Supply and Back End Processor may be energized even if the

power is turned off when the cord is still plugged into the AC Outlet.

1.) Power down the VIVID E9.

2.) Disconnect the Mains Power Cable from the wall outlet.

3.) Disconnect all probes and external I/O cabling.

4.) Remove the Upper OP Panel/Touch Panel assembly.

5.) Remove the Lower Operator Panel.

6.) Remove the Alphanumeric Keyboard Assembly.

Chapter 8 - Replacement procedures