Procedure 1 - Turning Terminal Power On/Off; Procedure 2 - Executing Resident Diagnostics • 6B-L - Control Data Corporation CDC CC63X Hardware Maintenance Manual

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Procedure 1 - Turning Terminal Power On/Off
Apply power to all connected peripherals before powering on the
terminal.
To apply power to terminal, proceed as follows:
1. Verify that power cord is plugged into site outlet and
that opposite end is firmly seated in terminal receptacle
(CC634-B/CC638-B terminals have an interlock latch that
must be pushed down to access receptacle). Also verify
that circuit breaker CBl and the TEST switch on rear of
terminal are both pushed in. Check switches on any
options. Verify that LINE VOLTAGE switch is set
correctly.
2. Press leon) side of POWER switch on lower-right front of
terminal.
3. After warmup, adjust BRIGHTNESS control for desired
viewing intensity.
To remove power from the terminal:
1. Press O(off) side of terminal POWER switch.
2. If making parts replacement, disconnect power cord from
rear of terminal.
Procedure 2 - Executing Resident Diagnostics
The resident diagnostics contain three tests, designated 1, 2,
and 3. This procedure will present the following for each test:
• Initiate
• Execute
• Terminate
NOTE
This procedure regards the terminal
as a standalone unit. The steps
that follow may not be the same as
those used by a customer. These
steps allow the unit to be taken out
of its normal operating environment
and to perform only the resident
diagnostics.
Test 1 - This test (also called quicklook or Power Up test) uses
various sUbtests to check basic hardware and some options.
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