Motorola R-2001A Service Manual page 51

EXT MOD INPUT
EXT 1KHz CODE MODULATION AUDIO
MIKE INPUT
MOD~
"'
LVL
1·
~
1
A6
AUDIO
-
MOD AUDIO
0
SYNTHESIZER 0
::>
...
AM AUDIO • DC LEVEL A8
z
MOD AUDIO BUS 0
IEEE
>=
RF
~.
...
INTERFACE
-'
:0
(OPTIONAL)
0
A13
LVLl-
'
0
EXT 10 MHz IN
10 MHz
'1
:::;;
10 MHz FREO
AM AUDI O • DC LEVEL
0
AS u.J
STANDARD
FM MOP
1-
RF
-
...
a::
SYNTHESIZER
co
::::;
...
u
IEEE 488 BUS
r - - - - - - - - -
f- - - -
SYNTH RF
----,
1
A 11 INPUT MODULE
I
RF ATTEN CO NTROL
::3
I I
<f)
::>
I
I
co
-'
OSB MOO
0
A11A2
SIDEBAND AUDIO
g:
RF
WIDEBAND AMPL
1
10·7
I· ~ H z
IF
1---i(J
SPEAKER
z
0
ATTN
RF IN/OUT
AND DOWN
I
~
u
:::;;
CONVRTER -
u.J
I
1-
I
<.f)
DPLX
RF
;.. RF
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RF IN
OU TPUT
I
CALI BRATED IN / OUT
LV L
I
I
M
OEMOO AU D
A1 1A1
OPLX
: DUP LEX RF
RECEIVER
SPECTRUM
RF IN/OUT
MOO
A1 1A3
ANALYZER VERT
INPU T PROTECT
DUPLE X
AND
GEN ERATOR
I OUI
WATTM ETE R I
455 KH z IF
EXT FWD PWR
L
TEMP - - -
!~~~T
- - - - - - -
I
•
- - - _j
EXT RFL PW R
DV M IN PUT BUSS
A3
lc ' GFO FREO
SCOPE/DVM
FRONT PANEL INPUTS DVM TO AID CONVERTER
CONTROL
OFFSET FREO
FRONT PANEL DISP
t
A12
EXT DV M
FRONT PAN EL
CHAR . GE N Z·AXIS
VERT/SINAD/DVM /
INTERFACE
EXT FRED
A7
A9
AND SY NC
FR EQ COUNTER IN
PROCES SOR
PRO CESSOR
EXT HORIZ INPUT
1/0
PROCESSO R BUS
SYSTEM CONTRO L BUSES
SCOPE VERT FROM A TTENUATOR
INTERNAL SCOPE VERT
SCOPE EXT HORIZ
-
SCOPE Z ·AXIS
SCO PE VERT
SCO PE INT HORIZ
r -
tX I lU
MOO Ol
DUPLE:
DEMOD
A2
CRT VERT
SCOPE
CRT HOR IZ
CRT
AM PLI FIER
I
CRT Z·AXI S
J
1 JUMPERS ARE IN STA LLED WHEN THE
IEEE OPTION IS NOT INSTALLED.
2 WITH IEEE OPTION . THE RF attenuato r
IS CONTROLLED FROM TH ti'B MODULE.
OTHERWI SE FRO NT PANEL CONTRO LLE D
MHz OUT
PUI
OUTPUT
OUTPUT
ssn1
Fi gure 5-3. System Bloc k Diagram
5-7' 5-8