Poor Focus - Tatung OMNISCAN SERIES Service Manual

6.15 POOR FOCUS
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FOR THE SINGLE FOCUS TUBE THE FOCUS IS NOT SO CLEAR AS THE DOUBLE FOCUS TUBE.
(Pt.:EASEMAKE
SUR~E
WHAT rUBe 'BEING 'USED BEFORE DOING THE ALIGNMENT) "
SINGLEtOCUS '
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READJUST FOCUS
>
CHECK G1
&
HIGH VOLTAGE
SEE ALIGNMENT
I ------------------------------->
FOCUS CONTROL PACK
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CRT
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END
DOUBLE FOCUS
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END
=
6-14
=
FAILURE
>
READJUST FOCUS
SEE ALIGNMENT
>
CHECK G1 & HIGH VOLTAGE
SEE ALIGNMENT
>
FOCUS CONTROL PACK
FOCUS LEAD
CRT
FAILURE