Tektronix 2235A Instruction Manual page 165

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ARTEK MEDQ 0 2003-2005
2235A Instruction
- - - - - - - - -
R i i 2 S200 5555 S392
1
A
,
0
SOURCE^
1
A C O U P
1
o
1 I
A TRIGGER
A TRIGGER
C H 1 POSITION
TRIG VIEW SLOPE LEVEL
2
C
-
.
/ CHI
BOTH
CH2
CHI PREAMP
I
t
VERTICAL OUTPUT
A M P L I F I E R
- -
i
*
ADD
7
-
A TRIGGER
0102, 0103.
0114. 0115.
U120A. 8. U130
CHANNEL
- -
+
O
-
7
TRIGGER SWITCHING
*
- +
t
- .
, -
U537A.
LOGIC
0400. 0550.
U555. U565C, D
-
SWITCH
LOGIC
I
i
ALT
TV TRIGGER
*CH2JRIG
A EXTERNAL
. +
TRIGGER AMPL
COMPARATOR
*
0381. 03821, 8.
\
2
+ -
11
U540A
-
r . C H 1 TRIGGER
jEC/DIV
VAR
\L\
+
P-P AUTO
TRIGGER LEVEL
0413. 0420.
LF REJECT 0421. 0422.
0402. 0405.
-
0423. 0428,
0406 0429, U426
@
hiF0
7
TRIGGER P-P AUTO
AND OUTPUT
0384
t
I DELAY LINE
DRIVER
0202. 0203,
7
AMPLIFIER
C H 2 TRIGGER 0302. 0303,
4
AMPLIFIER
0327. 0328.
U310
U335
A TRIGGER
SWITCHJNG
d
0392. 0399 t
t
A
INTERNAL
I
TRIGGER
LINE
AMPLIFIER TRIGGER
U350
BUFFER
+
t
0397
A
I
7
b
CHANNEL
SWITCH
P
VERTICAL
OUTPUT AMPL
0230. 0231,
- )
il
-
-
- -
- -
TV TRIG
ENABLE
C H 21 POSITION
I
R i 6 2
A
-
A
-
-
-
-
4
CHOP OSC
CR200. CR201.
-
-
-
-
11
i L
I
A/B S W P SEP
1 /
B W L I M I T ] S ~ ~ ~
t
R280
+VERT DEF
L
-
-VERT DEF
- -
A -
-
-
L
-
CR202. CR203.
0206. 02707,
I
0254. 0255,
TRIGGER
1
R9812. R9802 R893
1 - L L s
- : -
VAR
U7158
t
IILLER
WEEP
1. 0706
I4A. 8
+
\I
0440. 0441
*
1
1 L
U5378, C. D.
U5408
\I
AND CHOP
BLANKING I
-
.
-
LINE
-
FOCUS FOCUS GRID
5390 BEAM FINO INTENSITY FOCUS
+
CONTROL
-
- - - -
,I 11 I I
0885
L
INTENSITY
1
GRID
- - - -
7
i
b
Z-AXIS AMPL INTENSITY
UNBLANKING
- +
0825. 0829. 0835.
4 -
0804. DC HV MULTIPLIER
1
LOGIC 0840. 0845 0814
RESTORER U975
I
*
CR551. 0583.
\I
-
L
-
-e-b
L
-
\!
XJXIS
7
Z - A X I S A M P L I F I E R
SCALE ILLUM
AND POWER SUPPLY
U225. DL9210
A
-
,,
L
0256. 0257
- )
\r
0586
F9001, CR901,
CR902, CR903,
-
-
SEP (L1
I
L
-
8
-
' 1
7 - - - - - - - +
L P
ir
I
i L
-
*
1
7
HORIZONTAL
R726 POSITION
ASWEEP
- 1
ALTERNATE DISPLAY SWITCHING
0670, 0674, 0682,
0683, 0684, 0687,
U660E, U6658, C,
U6708, U680A. 8
t
7
-+
+
41
1
CH2 PREAMP
0152, 0153.
0164. 0165.
U120C, 0, U i 8 0
t
CALIBRATOR,
11
8 HORIZ
Z-AXIS LOGIC
U6658
VERTICAL
t
I '
PREAMPS
r
AND
A/B SWP SEP
A
AJISP
8JISP
t . - -
BSWEEP
X i 0 PULL
X Y AMPLIFIER
U715A
8 TIMING
SWITCH
AND R C
SWITCHING
0283, 0284.
0285
AND HORIZONTAL BLOCKS
OUTPUT A M P L I F I E R
;
t
B T I M I N G AND ALTERNATE B SWEEP
@
CR226, CR227,
0
A
t
C
CR228, CR229
t
A +
-
-
-
-m
C A L n
Figure 9-4. Block diagram.
m
m
0
0737. 0740.
0742. 0745,
U760
t
+HORIZ DEFL
-
-HORIZ DEFL
SCALE ILLUM
1 1
A882
m
-
0779, 0780,
CALIBRATOR
U985
11
HORIZ PREAMP
0730. 0732.
-
0785. 0789
-
-
1L
---
-
-
+
HORIZ OUTPUT
AMPLIFIER
0768. 0770.
0775. 0778,