Diagnostic software
EN 22 S/SD/HD 3.1 PDP5.
Figure 5-9
No Voltage output
Operating Voltages don´t exist
Operating Voltages exist,
but No Display
Abnormal Display, not
open or short Lines
Some horizontal or Vertical
Lines don´t exist on the
Display.
Sustain open
First check complete set.
Fault Symptom?
Go to
Operating voltages don´t exist.
Version V2 or V3 / V4
Go to
No Display
Go to
Abnormal Display
Is related to X-Main, Y-Main and Y-
buffer.
Go to Sustain open /
Sustain short
Horizontal or
Vertical Lines?
Vertical
Is related to Logic adress Buffer.
Go to Adress Open /
Adress Short
Horizontal
Fault Symptoms
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