Kenwood R-2000 - ADJUSTMENT; Test Equipment and Preparation

R~2000
ADJUSTMENT
REQUIRED TEST EQUIPMENT
1.
VTVM
or
DVM
(DC
VM)
1)
Input
resistance: More than 1
M.Q
2)
Voltage range: 1.5 to 1
OOOV
DC
NOTE:
A high-precision voltmeter may
be
used.
However, accurate readings can not be ob-
tained for high-impedance circuits.
2. AF
VTVM
{AF
VM)
1 ) Frequency range:
50
Hz
to
1
0
kHz
2)
Input
impedance: 1
M.Q
or greater
3)
Voltage range:
10
mV to
30V
3. AF
DUMMY
LOAD
1)
Impedance:
8.Q
2)
Dissipation:
3W
or greater
4.
OSCILLOSCOPE
Requires high sensitivity and
external
synchronization capa-
bility.
5.
STANDARD
SIGNAL
GENERATOR
(SSG)
1)
Frequency range:
100
kHz
to
80
MHz
2)
Output:
-20
dB/0.1 µV to
120
dB/1 V
3)
Output Z.=
50
.Q
4) Should
have
AM
modulation capability.
Generator must be
freqt:Jency
stable.
6.
FREQUENCY COUNTER
1)
Minimum input voltage:
50
mV
2)
Frequency range: Greater than
80
MHz
7.
NOISE
GENERATOR
Must
generate ignition-like nose containing harmonics
beyond
30
MHz.
24
PREPARATION
Unless otherwise specified. set the
controls
as
follows.
POWER
...............................................
ON
TIMER
.................................................
OFF
FUNCTION
..........................................
FREQUENCY
NARROW/WIDE
..................................
WIDE
TUNING
SPEED
...................................
SLOW
F.
LOCK
...............................................
OFF
MODE
.................................................
AM
AGC
FAST
...........................................
OFF
NB
.......................................................
OFF
DIMMER
.............................................
OFF
AF
GAIN
..............................................
MIN
TONE
..................................................
CENTER
SQUELCH ........................................... MIN
RFATT ................................................ 0
M.SCAN
..............................................
OFF
PG.SCAN
.............................................
OFF
AUTO.M
..............................................
OFF
REFERENCE
Japanese
"SSG"
American
"SG"
-6
dB
........... ................. ............................................. 0.25
µV
0
dB
......................................................................... 0.5
µV
.6
dB
......................................................................... 1
µV
12
dB
......................................................................... 2
µV
24dB
.........................................................................
8µV
30
dB
......................................................................... 15.8
µV
40dB
.........................................................................
50µV
50dB
.........................................................................
·
168µV
60dB
.........................................................................
500µV
70
dB
......................................................... .......
....
.....
1.58
mV
80dB
.........................................................................
5mV
90dB
.........................................................................
15.8mV
100dB
.........................................................................
50
mV
120dB
.........................................................................
0.5V