Motorola R-2001A Service Manual page 113

Communications system analyzer
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FROM
SHEET
2
CONTROL
~
TRIG
LEVEL
5/
I
I
.
,
1
VERT
FROM RNG SW
T
, l
VERT
CHAR SYNC
0/ I
I
I
TP1
y
.
---- -------------l
~~
~~~
I
~~
U3,
4
r-J
VERT
CHAR
l .
r--J
SWP
GEN
l
U6
U4,
5
VERT
TO SCOPE
AMPL
0<
'-<12
!-<76
I
I
I
I
I
t-..<74
I
I
I
I
I
I
' ' .. ""'"
I
I
I
' '
I
I
m
1
: LiiE1
'
I
y "'"
GEN RST
I
<•
~
I
I
..
I
'
7
,
I
SPECT ANA VERT
I
I
SCOPE
VERT
SEL
~
CONT
- - - - - -
01 2,U14
1().
_ _ -
- - - - - - -
,
---
_j
SSB AUDIO
:
8
I
BFO
FREO CNTL
8~;
!
BFO ON/OFF
CNTL
I : I
I
SSB
OET
TW
I ,
7
IFI
BFO
~
I
SEL
~
~
l
.
FREO
IFIBFO FREQ
1
KHz
BFO FREQ
I
LL
J
1
I
, '- j
DISPERSION SWP RTN
mr
455
KHz
:
~/1
~
I
r
-
- - _
WIDTH
DISPERSION SWP
1
I
U12,
51,59
.
- - - - ,
SEL
I
6
95
!
SYNTH swP SYNC
I
I
s~~~H
1
I
us2
Ll
us
1
.
52
:
I
l
GEN
I
SCOPE
I
:
B3' I HORIZ CHAR SYNC
I
l
I
HORIZ
I
INT
SCOPE HORIZ
I
I
CHAR
' -
I
/
I
l
~
HORIZ
[
L....-.
SEL
I
'
7:
SWP GEN
I
I
I
I
U59 60
11
:
I
sw
I
SCOPE MO
H
HORIZ
I
t.._:COPE HORIZ CONT
CONT
I
DE EN
I
-<
84
- - - - - - - -
-,,.,-
j
I
- - - - - - - - - - - -
I
r-m----
1
87'- ' CHAR GEN Z·AXIS
~,
I
~
/
l
Z·AXIS
I
--
I
88
,
1
swP BLANKING
I ~
coNr
scoPE Z·AXIS
1
~
I
9
Figure 9-1. Scope/DVM Control Module A3
Block Diagram (Sheet 1 ot 2)
L
.
~~
~
_ _ _
_so~_]
852t·30

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