CH1~
SOURCE
Select
Control Chain
from
µP
2212
Service Manual
Horizontal System
and
Z-Axis Circuit
This subsection describes the trigger circuit (diagram 4), the timebase (diagram
5b), the sweep logic (diagram 5a), the horizontal magnifiers and readout
mux
(diagram 6),
the
horizontal
output
amplifier (diagram 7)
and
the Z-axis circuit
(diagram
12)
on
the
A10
board assembly. Diagrams are located
in
Section 9:
Diagrams.
For
an
overview of the Horizontal system and the Z-axis circuitry, see
the
block diagrams
in
Figure
3-3
and
Figure 3-4.
ToµP
AUTOTIMOK
Trigger LEVEL
COUPLING
Select
Trigger
Control
AUTO
Setup
Trigger
Generator
Peak
Detector
Trigger
Detect
Sweep
Gate
Generator
Peak+
Peak-
Blank
Sweep
Logic
HOLOOFF
AUTO STAR
Sweep
To Storage
System
CH 1 Storage P.O.
Hor. POSITION
EOS
Detector
~-----•
HOLD
OFF
Hor.
Logic
TR.SEP
EN
MAGS
Readout and Storage Signal
Figure 3-3: 2212 Horizontal System Block Diagram
3-13
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