Power-Up Screen; Snowy Screen; W Arped-Ragged Picture - Atari CX 5200 Field Service Manual

POWER-UP SCREEN

The Power-up screen appears in a few seconds. It displays infor mation about the inner
workings of the unit. This screen shows:
The type of TIA in the unit.
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for that unit. If P A L appears, replace with a GTIA from your kit.
The rev of ROM in the unit.
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After the initial power-up, this screen does not automatically appear again.
One of the following indicates a failure.
Solid Colored
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Snowy Screen

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WARPED - Ragged Picture
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Solid Colored (Black) Screen or Vertically Lined Screen
(
If a solid colored Black
catastrophic failure.
put up a simple display.
Diagnostic F lowchart Entry Point: Pg. 4-2.
If, when turned on the unit displays no modulation on the screen, the failure is
probabl y in the power circuitry. However , first check the following:
Check that the select switch on the switchbox is set to the NORMAL
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position.
Check the power adaptor using a standard voltmeter.
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Diagnostic Flowchart Entry Point: Pg. 4-9.
CX5 200 Field Service M anual
NTSC appears if the GTIA is the proper one
(
Not important at this time.
( )
Black Screen or Vertically Lined Screen
)
or vertically lined screen appear s, the unit is suffering a
This means that the unit is not functioning well enough to even
3-3
)