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TEK 2225 - Page 147

TEK 2225
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VERTICAL
Fl
2225
Service
V/DIV
4
INVERT
ATTENUATORS
m
VERTICAL
,
1
Figure
9-4.
2225
block
diagram.
CRT
VERT PLATE
0
DEFL VOLTAGES
e
-
-
MAG Xi0
TRIGGERED DEFL VOLTAGES
.
READY LED
C
J
SWEEP
"
c"
<I-
J
rz
J
SGL SWP
-
SWEEP GATE
0
0
RESET
T
r
V
+
&+
CH
1
H
W
PROBE
ADJUST
Z;
BOTH
I-J
59
CH
2
a
o
W
Z DRIVE
"
I-
"1%
-
ADD
H
VERTICAL
=>a
_
XY
PREAMP
I-I-k
ALT AND
INT XY
-
SELECTOR
MAG RANGE
OUTPUT
AMPL/HORIZ
CHOP
AMPLIFIER
SOURCE
.
LINE
EXT
POWER
SUPPLY
X HORIZ AND Z-AXIS
TRIG AXIS SHIFT AMPLIFIER
LEVEL
AC
*
0
FOCUS
TRACE
SEP
7
TRIGGER
COUPLING
LF REJ
-
SEC/DIV
-
HF REJ
:
6
VAR
1L
1
I
A
A
-
-
INTENS
CH
i
XY
L
P-P AUTO
-
NORM
HORIZ PLATE
-
SWEEP
LOGIC
AND
DELAY
MODE
o
E
LL
I
<
W
m
VERT
SHIFT
Xi
>-,
ALT HORIZ
MAG MODE
V AR
HOLDOFF
TV
FIELD*
.
4
0
*
CH
2
CHOP
ENABL~
*
e
ALT CHANNEL SELECTION
c
\SGL SWEEP
BEAM FIND
-
-
LINE TRIGGER
SLOPE
.
e
-
CHOP BLANK
-
-
BEAM
FIND
-
EXT Z
i