Control Buses And Functions - Motorola R-2001A Service Manual

Table 5-2. Control Buses and Functions
~
RF Bus
AF Bus #1
AF Bus #2
v
03 02
01
DO
03 02 01
DO
D3
D2 01
DO
ADRS ADRS
310-440 Aud io Synth
0
PLL
AO
NO
Display Led's
0
310-440 Audio Synth
1
Pll
NO
N1 Function Led's 1
310-440
Audio Synth
2
PLL
N1 N2 Mode Led's 2
60 Audio Synth
Input Scope Allen
3
PLL
NO
N3 3
0.001
0.01 0.1 1.0
60 DPL
AUDIO
Allen
Ext In
PLL
N1
PL
CLK
DPL
Synth
lnt/Ext
AC/ DC
4
4
Sel
Enab
Sel
N4 Sel
Sel
60 MOD
Audio
Aduio
Audio
5
PLL
N2
To Spkr
Allen
All en
Allen RF Allen Position 5
Enab
30 dB 20 dB 10 dB
60
DPLX
DSBSC FM AM
6
PLL
N3
MOD MOD MO D MOD Scan Switch Position
6
Enab Enab
Enab Enab
310-440 60
IF
SIG RF Input
Pll PLL
Overl'd
Present <+20 dB
WB/ NB
7 7
A1
N4
In
In In
Sw In
500-1000 250-500
CSSG CSSG
Hilla
Gen
8
Out Out
DVM MODE
Cant
Burst
Image
8
Sw In
Enab
Enab
Select
Sw In
Sw In
Sw In
WB
(MOD)
MOD MOD
Pk Del Pk Del Pk Del
Scope Vertical Switch Pas In
- - ____.. o.1v- -
1
o.ow-
9
MOD
X
(2)
INV/ INV
FM/ SWP
FM MOD AM MOD De mod
10 VI 1V-100kHJ10kHz 1kHz
9
Enab Enab
Sel
Sel
Enab .
Enab Enab
ON
~V
DN ON
0.01-
500-700/
LOOP
MOD
lnt DVM
WB/ NB
IF/ BFO
Man
Scope
A
1000
00-1000
INV/ iNil
X
0.1
Freq
Horiz Switch Pas A
Disable
Sel Sw In
Sel
VCO Sel
Sel
Enab
Sel Sw In
B
Horiz Scope Vert Scope
B
Mode Sel
Mode Sel
Pwr
(Man + .01-1
DSB)/
/ 1-10
c
MTR
Gen
Swp
c
Enab
Sel
Sel
SSB
FM AM
De mod
Scope Time
Base CTL
0 De mod
De mod Demod
To Spkr
D
Enab Enab Enab Enab
SSC3 SSC2
SSC1
ssco
De mod
Alarm
LIN IF/
Scope T ime Base CTL
DVM
E
WB/ NB
INV/ INV Log IF AC/ DC
Freq Cntr Range
E
Sel Enab
SSC7
SSC6
SSC5 SSC4
Sel
Sel Sel
Ctr/ OVM
Counter Input Sel
F
Sel
IF/ BFO
Offset
I
Ext
F
5-9