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This manual is specifically written to aid the service technician, repairing
CERONIX Models 1493, 1793, 1993, 2093, 2793, and 3693 color monitors.
ABOUT THIS MANUAL
The power supply trouble shooting section describes methods used to power up
various monitor circuits, when there is a fault in the monitor, which disables the
power supply.
The appendix includes; filament voltage test, convergence procedure,
replacement parts purchase order form, degaussing coil attachment specification,
high pot test, wire routing drawing, production assembly drawings (PADs), C, I, J,
& K film resistor arrays and a parts list addendum. The parts list addendum is
used to add new information describing part changes. Tables, suitable for pasting
on these pages, will be published as new variations of the XX93 monitors are
produced.
Introduction Block
Diagram
BLOCK
Diagram
Schematics
Circuit
Description
Trouble
shooting
Handbook
Convergence
Description
Installation
Instructions
&
Assembly
Drawings
Appendix
Degaussing
To understand how the Monitor works, it is best to know what each circuit
does and how each circuit relates to the other circuits. The Block Diagram is
presented in a simplified view and a comprehensive view to accomplish the goal of
understanding the whole unit. Once the general picture is clear, the complexity of
each circuit will be easier to understand.
The Circuit Description is also written in two views, a simplified view and a
detailed view to help give the reader a clear understanding of what each
component does. This understanding is most helpful for the more complex
problems or multiple problems that sometimes occur.
1. General Description.
2. Circuit Description.
3. Repair Setup and Appendix.
There are three main sections:
PRAs
P/O Form
i