Kenwood R-2000 User manual

$KEN\NOOD
SERVICE
MJ\NUl\L
R-2000 DCK-1
COMMUNICATIONS
RECEIVER
CONTENTS
SPECIFICATIONS........................................................... 2 DISASSEMBLY.............................................................
22
CIRCUIT
DESCRIPTION
.................................................. 3 PACKING..........................
:·
...........................................
23
PARTS
LIST..................................................................
11
ADJUSTMENT .............................................................
24
PC
BOARD
VIEW AND SCHEMATIC DIAGRAM ADJUSTMENT POINT..................................................
29
RX
UNIT (X55-1340-00)
.......................................
16
TERMINAL FUNCTION .................................................
30
PLL
UNIT (X50-1920-00)
......................................
18
BLOCK DIAGRAM ........................................................
31
SWITCH UNIT (X41-1480-00).............................
20
DCK-1
(OPTION)
........................................ BACK
COVER
SCHEMATIC DIAGRAM ...............................................
21

R-2000
SPECIFICATIONS
Frequency Range: 1
50
kHz -
30
MHz
150
kHz -
26
MHz (W2 type)
2 MHz -
30
MHz
(X
type)
Mode: AM, FM, SSB (USB/LSB), CW
Sensitivity: (0
dBµ=
1µV)
~Cy
M
150
kHz-2
MHz 2
MHz-30
MHz
SSB/CW (S+N/N
10
dB)
Less than 2 µV
Less
than 0.4 µV
AM (S+N/N
10
dB)
Less than
20
µV
Less
than 4 µV
FM
(S+N/N
20
dB)
-
Less
than 1µV
Selectivity:
~ity
M
Selectivity
AM-WIDE 6 kHz
(-6
dB)
18
kHz
(-50
dB)
AM-NARROW 2.7
kHz
(-6
dB) 5
kHz
(-50
dB)
SSB/CW 2.7 kHz
(-6
dB)
5
kHz
(-50
dB)
CW-NARROW
500
Hz
(-6
dB)*
820
Hz
(-60
dB)*
FM
15
kHz
(-6
dB)
30
kHz
(-50
dB)
*:with
YG-455C optional
CW
crystal filter
Symbol Destination
K
U.S.A
M General market
T
Britain
w
Europe
x
Australia & New Zealand
2
Image Ratio: Betterthan
70
dB
IF
Rejection: Betterthan
70
dB
Frequency Stability:
Within.±
300
Hz
during the
first
hour
after 1 minute
of
warm-up.
Within
±
50
Hz
during any
30
min-
utes period thereafter.
Frequency Accuracy: ± 1
0 x 1
o-s
or
better (at normal
temperatures)
Squelch Sensitivity: (threshold, 0
dBµ=
1 µV)
AM/SSB/CW
=Less
than
3.12
µV
FM=
Less than 0.5
µV
Audio Load Impedance:
4.Q
to
1
6.Q
Audio Output Power: 1
.5W
(8.Q
load, 1
0% distortion)
Antenna Impedance: 50.Q/500.Q
Power Consumption: (at no signal)=
14W
AC
13.8V
DC,
0.6A
(with optional
DCK-1)
(at Memory Back-up)=
3W
AC
13.SV
DC,
0.1
A (with optional
DCK-1)
Power Requirements:
100/120/220/240V
AC,
50/60
Hz
13.8V
DC
(with optional DCK-1)
Dimensions:
375
(14.8) W x
115
{4.5) H x
210
(8.3) D
mm
(inch)
Weight: 5.5 kg (1
2.1
lbs.) approx.

R-2000
CIRCUIT
DESCRIPTION
RX
unit
X55-1340-00
R-2000
is a triple conversion general coverage receiver with
a first
IF
of
45.85
,....,
45.90
MHz.
9.85
,....,
9.90
MHz second
IF
and a
455
kHz
third
IF.
Both low
(50.Q)
or high
(500.Q)
impedance antenna termin-
als are provided for
all
bands.
The signal supplied through the antenna terminal goes to
the antenna fuse (100
mA)
and three step
RF
attenuator
(10, 20, and
30
dB).
It next enters the
BPF
(Band
Pass
Filter). which divides the 0.15
,..,
30
MHz range into 6
bands;
0.15
MHz
,....,
1
MHz.
1 MHz
,_,
2 MHz, 2 MHz
,..,
4
MHz. 4 MHz
,....
8 MHz. 8
MHz
,....
17 MHz and 17 MHz.,_,
30
MHz.
058:
SN74LS145N converts the
BCD
band data
signal from the
PLL
control circuit to select the appropriate
BPF
for the frequency selected.
Exiting the
BPF.
the signal,
is
fed to
RF
amp
01
:
3SK73(GR). first
IF
trap {operating at
40.875
MHz) and
emitterfollower
02:
2SC
181 5
(Y).
The
RF
signal
is
mixed with the first local oscillator 45.9
,....,
75.85
MHz and converted to the
45.85
,_,
45.90
MHz first
IF
by balanced mixer
03
and
04:
3SK73(GR).
03
and
04
drain voltage
is
supplied through a switching cir-
cuit consisting of
05
and
06
controlled
by
04
7 and
048
:
2SC1815
(Y)
will turn off when the
VHB
signal
is
applied
from the
PLL
control circuit
in
the (optional)
VHF
reception
mode.
At
the same time, the first
IF
circuit input
is
switched
to the converter
by
switching diodes D13 and D14:
1
S2588.
After passing the first
IF
LC
filter the signal
is
converted to
the 9.85
,....,
9.90 MHz second
IF
by
the second balanced
mixer
07
and
08:
3SK74(L) using the
36
MHz second local
oscillator injection signal.
The second
IF
signal. passes through ceramic filter
F1
(fo:
9.875
MHz) and
is
converted to the
455
KHz
third
IF
by the
third balanced mixer
09
and
010:
3SK73(GR) using the
9.445
,...,
9.395
MHz third local oscillator injection signal.
The signal
is
applied to the
NB
gate D1
5,
1
6.
A part of the
signal
is
also applied to the
NB
(Noi.se
Blanker) amplifiers
on
the
PLL
unit
via
buffer
011:
2SC
1815(Y). The signal output
from the
NB
gate
is
switched to the appropriate bandwidth
third
IF
filter
(F2
"".
F5
of
455
kHz).
then fed to the third
IF
amplifiers. ·
The
IF
filter bandwidths
are:
F3; 2.7
kHz.
F4; 6
kHz
and
F5;
15
kHz.
Filter
F3
is
used
in
the AM narrow,
SSB
and-
CW
wide modes. F4
in
the AM
wide.
mode and
F5
in
the FM·
mode. Filter position
F2
is
.provided for the
CW
narrow' ·
mode and
an
optional YG-455C or YG-455CN filter can
be
used.
. The third
IF
amplifiers
~re
divided into
two
systems;
one
for
the FM mode and
one
for
all
other modes.
In
the FM.mode, the signal passing through
F5
is
amplified
by
032:
TA7060P, 03·3: 2SC1675(L) and
034
:
µPC57.7H. then detected
by
ceramic discriminator
F6,
and
diodes.D41 and 42.
The noise component of the detected signal
is
amplified
by
035
and
036:
2SC1775(E). rectified (D44 and 45),
DC
am-
plified
(037
and 38). then applied to squelch gate switch
04
1: 2SC 1
81
5(Y).
center stop control
040:
2SC
1
81
5(Y)
and BUSY
LED
switch
042
and
043:
2SC1815(Y).
The
DC
voltage which
is
generated from the discriminator
(F6)
is
fed to window comparator
039:
NJM4558D
which
forms an AND circuit together with
040
and generates the
Program Scan center stop signal which
is
applied to the
PLL
control circuit
via
046:
2SC
1815(Y).
The
FM
IF
signal from
033
is
amplified by
05
9:
2SC
1
81
5(Y)
and detected
by
D39 and D40: 1
N60
to drive the Smeter.
In
all
modes other than
FM.
the signal which
has
passed
F2
through F4
are
amplified
by
012
and
013:
3SK73(GR). A
sample of the
IF
signal
is
buffer
by
014:
2SC
1815(Y) and
is
AM detected
by
D29: 1
N60. buffered
by
015,
and diode
switched
by
D30
to the squelch-controlled switch 0 1
6.
Output from
014
is
also rectified
by
D37
and
D38:
1
N60.
This signal
is
also split: the rectified output
is
both
AGC
am-
plified
by
023:
2SC1
81
5(Y)
and squeich amplified
by
028:
2SC1815(Y).
029:
2SK192A(GR),
030:
2SA1015(Y) and
031:
2SC1815(Y).
024
(CW
and
SSB)
and
025
(AM)
2SC1
81
5(Y)
select the
AGC
slow time constant by mode.
AGC
is
applied dack to the
RF
and
IF
amplified.
The
AGC
voltage
is
also amplified
by
050
: 2SK192A(GR) and
051
:
2SA1015(Y) to drive the S meter.
026
and
027:
2SC1815(Y) switch off power to the AM.
CW.
and
SSB
IF
· amplifiers and squelch amplifiers
in
the
FM
mode.
The
out-
put of the squelch amplifiers
(031)
is
applied to the
BUSY
LED
switch
044:
2SC
1
81
5(Y).
scan stop switch
045:
2SC181
5(Y)
and squelch gate 01 6 : 2SC2240(GR).
021
: 2SC1
81
5(Y)
is
the
BFO
circuit oscillator and
022
:
2SC
181
5(Y)
the buffer.
The
BFO
output
is
applied to the
product detector
D25
,...,
D28
{1
N60).
020:
2SC
181
5(Y)
is
the
LSB
frequency shift switch.
The
AM signal detected
by
D29
is
buffered
by
015:
2SC2240(GR). and the audio signal
is
selected according to
mode
by
either
D30
(for AM) or
D31
(for
SSB
and
CW).
This
is
fed through switch
016
to audio amplifier
01
7 :
·2SC2240(GR).
The
FM
audio signal passes squelch gate
052:
2SC2240(GR) and then goes to
017.
Audio amplified
by
017
is
first fed· to the VOLUME and
TONE
controls.
018:
2SC2240(GR) provides output to the
REC
jack.
The
audio signal. having passed the VOLUME and
TONE
controls.
is
power amplified by
05
7: HA1368R to drive the
speaker.
As
accessory circuits, a
BEEP
oscilator circuit
(055
and 56)
and standby mute circuit
(049.
60
and 61)
are
provided.
In
the mute mode.
049:
2SC1815(Y) decreases the
RB
(re-
ceive
B+)
line to
-6V
to mute
all
modes except
FM.
The
RB
line then controls
060
and
61
to disrupt
FMB
(FM
B+)
to
:·
•
033.
which effectively mutes the
FM
mode.
The
power supply circuits consists of a 9V
AVR
(automatic
voltage regulator)
054:
AN7809
and
a 14V ripple filter
053.
Item Rating
Nominal centerfrequency within 9.875
MHz±
30
kHz
3 dB bandwidth within
130
±
30
kHz
20
dB bandwidth
350
kHz
orless
Loss 8 dB orless
Spurious response
(within 9.875 ± 2 MHz)
30
dB
or
more
(within 8.965 ±
25
KHz)
40dBormore
Inputand output impedance 330.Q
Table 1. Ceramic filter (L72-0338-05) RX unit
F1
3

R-2000
CIRCUIT DESCRIPTION
Item Rating
Center frequency
455 kHz ± 0.6 kHz
6 dB band
width
2.s ±0.3 kHz
40 dB band width
5.5 kHz or less
Insertion loss (at maximum output) 6.0 dB
or less
Guaranteed attenuation 55
dB or more
(within
455 ± 100 kHz) ,
Spurious attenuation
(within
0.1 to 1.0 MHz)
45 dB or more
for
600 to 700 kHz. 40 dB or more
1/0 matching impedance 2.0
k.Q
Table 2. Ceramic filter {L72-0332-05, RX unit F3)
SSS,
AM-N, CW-W
Item Rating
Nominal centerfrequency
455 kHz
6 dB band width
± 3 kHz or more
(from
455 kHz)
50 dB band width ± 9 kHz
or less (from 455 kHz)
Ripple (within 455 ± 2 kHz) 2 dB or less
Insertion loss 6 dB or less
Guaranteed attenuation
60 dB or more
(within
455 ± 100 kHz)
1/0 matching impedance 2.0
k.Q
Table 3. Ceramic filter (L72-0319-05, RX unit F4)
AM-W
Item Rating
Nominal center frequency
455 kHz
6 dB bandwidth ± 7.5 kHz
or more
50 dB bandwidth ± 15 kHz
or less
Ripple (within
455 ± 5 kHz)
3 dB or less
Loss 6
dB or less
Guaranteed attenuation 35 dB or more
(within
455 ± 100 kHz)
Inputand output impedance 1.5 k.Q
Table 4. Ceramic filter (L72-0316-05, RX unit F5)
FM
Item Rating
Center frequency
fo
455.7 kHz
Center frequency deviation fo ±50 Hz at 6 dB
6 dB bandwidth
±250 Hz or more
60 dB bandwidth
±425 Hz or less
Ripple 2 dB or less
Loss
6 dB or less
80dB or more
Guaranteed attenuation at
100 Hz to 455.1 kHz and
456.3 kHz to 2 MHz
lmput
and output impedance
2kQ#'15 pF
Table 5. CW Crystal filter (L71-0206-05)
YG-455C (Option)
4
Item Rating
Centerfrequency quencyf o 455.7 kHz
Center frequency deviation
Jo ±50Hzat6dB
6 dB bandwidth ± 125
Hz or more
60 dB bandwidth ±
250 Hz or less
Ripple 2 dB
or less
Loss 6 dB or less
80 dB or more at
Guaranteed attenuation
100 Hz to 455.3 kHz and
456.1 kHz
to 2 MHz
Input and output impedance 2
k.Q // 15 pF
Table 6. CW Crystal filter (l71-0207-05)
YG-455CN (Option)
PLL (Phase locked loop) unit XS0-1920-00
The PLL unit houses the PU. oscillator circuit, microproces-
sor control circuit and the
NB amplifier circuits. In the PLL
circuit, there is a 9 MHz reference frequency crystal oscilla-
tor, the first local oscillator (45.90
,..., 75.85 MHz), second
local oscillator (36 MHz) and third local oscillator (9.395
,...,
9.445 MHz), which are output to the Receiver unit.
The digital circuit peripheral to the microprocessor controls
the
PLL circuit frequency, display, clock/timer, input inter-
face, rotary encoder mode (speed) and memory.
1. PLL circuit
1) Reference frequency oscillator
01 operates at a reference frequency of 9 MHz, which
is supplied to the second and third local oscillator cir-
cuits through buffer
02.
Via buffer 03, a 4.5 MHz signal divided 1 /2 by IC 1 is
supplied through buffer 04 to the first local oscillator
PLL circuit. The reference frequency is also buffered
(06) and divided down to 1
kHz by IC2 for use as a
clock reference signal.
2) First local oscillator circuit (LO 1)
The first local oscillator is obtained from the PLL
(Phase Locked Loop) circuit. Three VCOs (Voltage
Controlled Oscillator) controlled by the microproces-
sor through
020 ,.., 22 cover the 45.90 ,..., 75.85
MHz frequency range. The VCO output is amplified by
026. 027 and 028. Part of the signal is applied to
buffer
016:. 2SC1907 and PLL IC5: MN614 7C. The
spurious component
is eliminated from the remaining
signal by a
BPF and is output via. buffer 029 and
030: 2SC 1 707 as the LO 1 signal.
IC5:
MN6147C consists of a programmable fre-
quency divider. reference frequency divider and phase
comparator which compares the reference and
VCO
frequencies (comparision frequency; 25 kHz). The
programmable divider's ratio (
1836 ,.., 3034; only
even number) is controlled by the microprocessor.
The phase error signal from the comparator is applied
to the
VCO by active filter 017, 018 and 019:
2SC1775.
3) Second local oscillator (L02)
The reference frequency is quadrupled by 05:
2SC 1815 to obtain the 36 MHz second local oscilla-
tion frequency.

R-2000
CIRCUIT
DESCRIPTION
4} Third local oscillator (L03}
This circuit consists of
PLL
IC2:
MN614
7C
which in-
corprates a 5
kHz
PLL
and
mixer. One
VCO
is
provid-
ed; the frequency range
is
39.505
,...,
44.500
MHz
and the dividing ratio range
is
7901
,..,
8900.
This
PLL
circuit
is
composed of
VCO
Q11:
2SC
1923,
PLL
IC2:
MN614
7C
and
a loop filter consisting of
08,
09
and
010:
2SC
1775.
The
VCO
output
is
buffered
(01
2},
divided
1/100
to
395.05
,..,
455.00
kHz
by
IC3:
MN54459L,
buffered
(013)
and mixed with the
9 MHz reference signal by IC4:
SN
16913P
to obtain
the
9.39505
,..,
9.445 MHz third local oscillator fre-
quency. This
is
filtered
(CF
1)
and amplified
(Q
15},
then sent to the Receiver unit.
5)
Unlock muting
The output from
PLL
IC2 pin 2 (unlock) becomes
an
unlock signal through IC21:
TA7324P
and
071.
and
is
used to control the audio muting circuit
on
Switch
unit "B''
to
reduce or eliminate any pulse noise which
may
be
generated when the frequency
is
changed
and
the
PLL
momentarily resets.
2. Control unit
EN1
EN2
IC9
Q)
IC9
@
IC9
©
IC9
@
1}
Rotary encoder input circuit
On
the Encoder unit, a
50
slit rotary disc and 2 pho-
tointerruptors generate 2 clock signals having a 90°
phase difference; which
are
input to the Control unit
via
the
EN
1
and
EN2 lines. These clock signals
are
waveform shaped by IC6, quadrupled
by
the gate cir-
cuit consisting of
IC7
and 8 (the
50
pulse/rev signal
is
changed to a
200
pulse/rev signal), and applied
IC
12,
through Flip-Flop
IC9
1
/4
to the microprocessor pin
No.
39
(T1
port). At the same time, the encoder's rota-
tional dirction
is
detected from the clock pulses by the
FF
circuit
IC9
1/4
and
is
input to microprocessor pin
29
(Port 37).
The
waveforms at each point
are
shown
in
Fig.
1.
Encoder rotates for Rotates
for
Down.
-Up
operation-1--
Operation -
Encoder
output
1
E
needer
output
2
IC7.8
Gate
output
UP/DOWN signal
Microcomputer
T1
input
Fig. 1 Encoder output
to
micro-processor
inputtiming and
waveforms
2)
Program scan circuit
IC
10
on
the Control circuit
is
an
astable multivibrator
circuit controlled by the
PG.
SCAN
switch. Both its
output, and the clock signal
are
applied to the micro-
processorT1 port.
During scan, the multivibrator oscillators output pulse
train
is
accessed by
!Cs
9 1/4,
10
1
/4
and
11
1/2,
while the oscillator stops
in
the HOLD mode and only
the Encoder clock pulse
is
available.
The oscillator frequency
is
determined by C1
7
3,
C
174. R
145
and
VR
1.
When the tuning speed
is
SLOW or MID, the oscillator frequency
is
approximate-
ly
10
,..,
18
Hz.
When it
is
FAST.
034
turns
on
and
the oscillator frequency
is
approximately 5
,...,
9
Hz.
3}
Clock circuit
A 1
kHz
clock signal
is
output from
PLL
IC2
(pin
6),
waveform shaped
by
IC
17 1
/4
and
applied to the mi-
croprocessor INT port (pin
No.
6)
to count the time.
When the
HOUR
and MINUTE switches are de-
pressed simultaneously the time display shows
00:00.
In
CLOCK
1 mode, the time display stops
flashing and the clock begins counting the seconds
(which
are
not shown} when the switches are de-
pressed. When the display
is
flashing, the
HOUR
and
MINUTE switches cannot
be
used to set the time.
When the Function switch
is
set to any position other
than
FREQUENCY,
depressing the
HOUR
switch will
increment the
HOUR
digit by
one.
When the HOUR
switch
is
held
ON,
the Hours digit increases contin-
uously. The Minutes digit does not change during
HOURS set.
Each time the MINUTE switch
is
depressed. the Min-
utes digit increases by one. When the switch
is
held
ON,
the Minutes digit advances.
The
Hours digit does
not change during Minutes set.
To
program the timer, set the timer
ON
time
and
place
the timer switch
ON.
Receiver power remains off until
the timer preset time
is
reached, when the relay
is
activated and the power
is
switched
on.
When the timer
OFF
time
is
programmed, the power
is
turned off at that preset time. When the timer switch
is
ON,
the power switch
is
inoperative.
The
timer relay
output
is
available at the Remote control terminals
on
the rear panel.
4) Microprocessor power supply circuit
When the microprocessor IC12: µPD80C49C
1s
in
operation, 5V should
be
applied to
Vee
pin
No.
40.
When the microprocessor
is
in
the back-up standby
mode,
2V
should
be
applied. When the power switch
is
turned off,
035
and
036
change the level of
RES!:T
pin No. 4 to low to protect the
RAM,
the V
DD
pin
No.
26
becomes low to stop the oscillator and the con-
tents
of
the
RAM
are
maintained
by
the low standby
voltage
(Vee).
·
When the power
is
turned
on,
5V
is
applied to the
Vee
pin. the V
DD
pin becomes high while the
RESET
pin
is
held low to activate the oscillator, then the
RESET
pin
returns to a logic high and the program
is
reset.
Oscillator
stop
Oscillator starts
::DET="q.
~
·-
Stai)mzed
oscillating
-----
penod
Fig. 2 Micro-processor
power
supply circuit
5

R-2000
CIRCUIT
DESCRIPTION
5)
Dimmer circuit
The
dimmer functions
by
controlling power to the
DC/DC converter. When the main power
is
on,
ap-
proximately 12V
is
supplied to
04
1
a·nd
042
by
061,
072,
073
and D40. When the main power
is
off or
the DIMMER switch
is
ON.
073
turns off, and the vol-
.tage to
04
1
and
042
is
decreased to approximately
8.5V to reduce the display voltage, resulting
in
a
dimmed display.
6)
Display circuit
The
seven segment and digit signals
are
output from
IC
1
4 to drive the 8-digit display.
As
the output cur-
rent
is
active low,
IC
15,
IC
16,
038,
039
and
040
are
used.
3. Noise blanker circuit
Pulse
noise
is
obtained through
011
on
the· Receiver
unit. It
is
amplified
by
062,
063
and
064,
rectified
by
D43 and
D44
and
DC
amplified by
066
to drive the
Re-
ceiver unit
NB
gate circuit.
The
NB
is
ON
when
066
is
emitter
is
grounded through D45 varistor.
065
is
the
NB
AGC
amplifier.
Item Rating
Nominal centerfrequency
within
9.420
MHz
+
30
kHz
3
dB bandwidth
within
130
±
30
kHz
20
dB bandwidth
350
kHz
or
less
Loss 8 dB
or
less
Spurious response
(within
9.420
±
2 MHz)
30dBormore
(within
8.510
±
25
KHz)
40dBormore
Inputand
output
impedance
330Q
Table7. Ceramic filter
(L72-0337-05l
PLL
unit CF1
Microprocessor Operational Description
1. Digital VFO
1)
Reception frequency
The
VFO
continuously covers
100
kHz
-
29,999.95
kHz
and stops at the
end.
W2 type:
150
kHz
-
25.99995
MHz
Xtype : 2 MHz -
29.99995
MHz
2)
Frequency step
6
Step One VFO cycle
FAST
5
kHz 1 MHz
MID SOOHz
100
kHz
SLOW
SO
Hz
10kHz
The
step changeover frequency does not change.
When the
VFO
is
operated with
an
increased step fre-
quency, frequencies lower than the step frequency
are
rounded and the
VFO
scans up
or
down referring to that
frequency.
Example: SLOW
step
....
FAST
step
1
3,160.45 MHz
(3,
160.4
MHz)
....
3,
165.00
MHz
(3,
165.0 MHz)
UP
3,
155.00
MHz {3,155.0 MHz) DOWN
2
3,
163.45 MHz
(3,
163.4
MHz)
....
3.170
MHz
(3,
170.0 MHz)
UP
3,
160.00
MHz (3,160.0 MHz) DOWN
3
3,
168.45 MHz
{3.168.4 MHz)
_.
3,
170.00
MHz (3.170.0 MHz)
UP
3,
160.00
MHz
(3,
160.0 MHz) DOWN
The
above frequencies
are
displayed frequency; the 1
O
Hz
digits
are
not displayed.'
3)
BAND function
The
frequency changes by
a
1 MHz step when the BAND
switch
is
operated. When the switch
is
kept depressed,
the frequency changes continuously every 0.2 seconds.
A beep signal sounds every step.
The
BAND function
stops at the fequency limit and the beep signal does not
sound.
When the
down
operation below the receivable range,
the final displayed freuency
is
the minimum receivable
frequency.
Example: DOWN
UP
1,034.6
kHz
-+
0,
100.0
kHz
-
1,
100.0 kHz
4)
F.
LOCK
The
VFO
and BAND switch operation stop when the
F.
LOCK
switch is set to
ON.
·
5)
BACK
UP
When the memory
is
not backed
up,
the unit enters
15,000.00 kHz MODE (AM) after initial setting.
When the memory
is
backed
up,
the unit enters the last
reception frequency mode.
2. MODE function
With the mode select operation, the
1st
local oscillation fre-
quency
is
shifted and the displayed frequency
is
received.
1
st
local oscillation frequency
shift
width
AM
0
(Reference)
FM
0
USB +1.7
kHz
LSB
-1.7
kHz
cw
+0.7
kHz
3.
MEMORY
function
1)
Memory contes
Built-in 10-channel memory {Frequency and mode infor-
mation
is
stored.)
2)
M.
IN
function
When M.CH 1 - 0 switch is pressed with the M.IN switch
kept pressed the selected memory channel data is dis-
played, the beep signal sounds and the displayed fre-
quency and mode
are
stored.
At
that time, the
_previously
stored data i replaced with new data.
3)
MR
function
When
M.CH
1 - 0
is
pressed, the stored memory con-
tents
are
recalleq to the
VFO,
enabling frequency shifting.
4)
AUTO.M function
When the AUTO.M switch
is
pressed. the AUTO.M indi-
cator lights and the auto memory function turns
on.
When the switch
is
pressed again, the indicator goes off
and the auto memory function turns off.
Auto memory ON: The shifted frequency and mode
are
stored
in
the displayed memory channel.
Auto memory
OFF:
The displayed memory channel con-
tents
are
not changed even when the frequency
is
shifted or the mode
is
changed.

R-2000
CIRCUIT
DESCRIPTION
Example:
frequency change
~R
3.235.00
(AM)
~
4.182.00
(USB)
~
3.235.00
(AM)
(CH5) (CH5)
4. M.SCAN function
1)
ALL scan
When the
M.S
switch
is
pressed, the
M.S
indicator lights.
When the switch
is
released, the scanning operation
starts. The scanning interval is 1.5 seconds.
M1 -
M2
-
M3
- ·
....
-
M9
-
MO
-
M1
-
·····
start
When the
M.S
switch
is
pressed again, the M.S indicator
goes off, the scanning operation stops and the unit dis-
playes the frequency
and
mode which were displayed be-
fore the scanning operation was started.
2) Select scan
When the desired
M.CH
switch
is
pressed with the
M.S
switch kept pressed, the stored data
is
recalled. When
the switch
is
released, only the selected memory fre-
quency
is
scanned.
When the desired
M.CH
switch
is
pressed twice
in
suc-
cession, the
M.CH
display shows "C" and memory fre-
quency scanning
is
cancelled.
Example: CH6 cancelled.
M.CH
M.S
t
2-
8
-6 - 6 -4 -
M.S
(Keep pressed.) Released.
Then scan starts.
Scan:
M2
-
M4
-
MS
-
M2
-
M4
-
M8
-
M2
The scanning release operation
is
the same as that
in
all
scan and the selected memory channel
is
cleared.
3)
HOLD
When the HOLD switch is pressed during the memory
scan operation, the HOLD indicator lights and the scan-
ning operation stops.
In the hold mode, the mode can be changed and memory
storage
is
possible.
The
memory data does not change
withoutmemory input even when the mode
is
changed.
4) When the
FUNCTION
switch
is
set to a position other
than
FREQUENCY
during the memory scanning opera-
tion or the
POWER
switch is set
to
OFF
the scanning
operation
is
released and the unit displayes the reception
frequency
and
mode which were displayed before the
scanning operation was started.
5.
P.SCAN
function
1)
Scan
When the
P.S
switch
is
pressed, the
P.S
indicator lights
and the data stored
in
channel 9
is
recalled. When the
switch
is
released, the frequencies between channel 9
and channel 0
are
scanned.
The reception mode stored
in
channel 9
is
used
as
a refe-
rence
and
the scanning direction
is
from channel 9 to
0.
When the scanning operation reaches channel 0, it starts
from channel 9 again.
At
that
time, a beep signal sounds
to indicate that the
P.SCAN
operation has finished one
cycle.
The scan step
can
be
selected
with
scan step switch
and
the reception mode can
be
changed. When the mode
is
change, the mode does not change until one cycle of
P.SCAN
operation
is
finished.
When the
P.SCAN
operation
is
finished.
When the
P.SCAN
switch
is
pressed again, the
P.SCAN
indicator goes off, the scanning operation stops and the
unit displays the frequency and mode which were dis-
played before the scanning operation was started.
2)
HOLD
When the HOLD switch
is
pressed during
P.SCAN
opera-
tion, the HOLD indicator lights, the scanning operation
stops and the
VFO
shifts the frequency within the range
of the
P.SCAN
frequency. At the
end
frequency, the ope-
ration stops.
In
the HOLD mode, memory storage
is
possible. When
new data
is
input to channel
9,
the stored data can be
used
as
the
P.SCAN
range.
When the HOLD switch
is
pressed again, the HOLD indi-
cator goes off and the scanning operation
is
resumed.
3)
BUSY signal stop
When the squelch
is
opened during the
P.SCAN
opera-
tion, the BUSY indicator lights and the scanning opera-
tion stops. When the squelch
is
closed, the BUSY indica-
tor goes off and the scanning operation starts again.
Pressing the BAND UP/DOWN switch when the scan-
ning scanning
is
stopped due to the squelch function will
restart the scanning operation. When the BAND UP/
DOWN switch
is
kept pressed, the scanning operation
does not stop even when the squelch opens.
The
BUSY signal stop functions
in
all
modes.
4) When the FUNCTION switch
is
set to a position other
than FREQUENCY or the
POWER
switch
is
set to
OFF,
the scanning operation stops
and
the unit displays the
received frequency and mode which were displayed be-
fore the scanning operation was started.
5)
When a converted
is
connected
and
the data stored
in
both channels 9 and 0
is
not
an
HF
or
VHF
frequency, the
M.CH
display shows
''E"
and
the
P.SCAN
does not func-
tion. When the
M.CH
display of the channels 9 and 0
shows "E",
P.SCAN
does not function.
6.
Clock function
1)
When the FUNCTION switch
is
set to
CLOCK-1
or
CLOCK-2, the unit display the time.
CLOCK-1: Reference time
CLOCK-2: Dual time
When power
is
supplied, the clock indication blinks.
When
CLOCK-1
is
reset, the indication stops the blinking.
2)
Setting time
Reset
CLOCK-1
to stop the blinking.
At
that time, the se-
conds digit
is
set to
0.
When the indication
is
blinking,
the time cannot
be,
set
Resetting CLOCK-2 does not
stop the indication blinking.
Function Hour Minute Operation
CLOCK-1
ON
ON
Reset
to
0:00
(0
sec.).
ON
OFF
The minutes digits are
maintained, the hours digit
.is incremented and
these-
conds digits count.
OFF
ON
The hours
digit
is maintai-
ned, the minutes digits
are
incremented and the se-
conds digits count.
7

R-2000
CIRCUIT
DESCRIPTION
Function Hour Minute Operation
CLOCK-2
ON ON
Reset
to
0:00
and
these-
conds digits count.
ON
OFF
The minutes digits are
maintained, the hours
digit
is
incremented and the se-
conds digits count.
OFF
ON
The hours digit is maintai-
ned, the minutes digits are
incremented and the se-
conds digits count.
The clock employs the
24-hour
system.
0.00
...
-+
23,59
-+
0.00
...
-+
3.1
5
-+
3.16
...
Each
time the
HOUR
or MINUTE switch
is
pressed, the
corresponding digit
is
incremented by
1.
When the
switch
is
kept pressed, the digit
is
continuouly incremen-
ted at
an
interval of
0.
12 seconds.
3)
When the power
is
shut off, the
CLOCK-1
and CLOCK-2
are
reset to
0:00.
When the power
is
supplied again, the
indication blinks.
7. Timerfunction
1)
TIMER
switch
When the
TIMER
switch
is
set to
ON
regardless of the
POWER
switch setting, the power
is
turned off
and
the ti-
mer functions. The
CLOCK-1
and
ON
TIME
are
compa-
red
and power
is
supplied when the set times coincide.
Then
the CLOCK-2 and
OFF
time
are
compared and
power is shut offwhen the set times coincide.
·1
Output
pass
Tr
Current
source
Start
Fig. 3
TA7060P
(RX unit
032)
Ase
Over
current protection
5k
0
circuit
i----...,.rvvl--41~----'\/V\.----a
VIN
VQUT
8
Fig. 4
AN7809
(RX unit
054,
PLL
unit
IC20)
AN7805
(PLL unit
IC18,
19)
When the
ON
and
OFF
times are the same, the power
is
not turned on.
When CLOCK-1 indication blinks, setting the
TIMER
switch
ON
will not operate the timer
and.
the
TIMER
ER-
ROR
indicator will lights.
2)
Time setting ·
Function Hour Minute Operation
ON/OFF
ON
ON
Reset
to
0:00.
TIME
ON
OFF
The minutes digits are
maintained and the hours
digits
are
incremented.
OFF
ON
The hours
digit
is
maintai-
ned and the minutes digits
are incremented.
The
HOUR
and MINUTE switches function
in
the same
way
as
for the clock.
3)
The
CLOCK
and
ON/OF.F
TIME
are
displayed regardless
of the
POWER
switch setting.
8.
BACK
UP
When the memory back up 'lithium battery
is
loaded, the
data (frequency and mode} stored
in
the memory, last recep-
tion frequency and mode and ON/OFF TIME
are
backed up
even when the power
is
shut off.
9. Dimmer
function
When the DIMMER switch
is
set to
ON
or the
POWER
switch
is
set to
OFF,
the brightness of the digital display and
meter decreases, resulting in a dimmer effect.
IN
~-----------------------------
{
I
:Rl8
I
I
1023
Fig. 5
HA
1368
R
(RX
unit
057)

R-2000
CIRCUIT
DESCRIPTION
1J
10
10
GND 2K
20
20
1
CK
1
CLR
1K
VCC
2CK
2CLR
2J
EQUIVALENT
OF
EACH
INPUT
vccc--
Req
INPUT
---
CLOCK
TYPICAL
OF
ALL
OUTPUTS vcc
Fig. 6
SN74LS73N
(PLL unit IC1)
Data Latch
Reference
frequency
counter
®
OSC2
NC
CK2
2coelhc1on1
llJ1
VCK
VOO
VSS
Fig. 7
MN6147C
(PLL unit
IC2,
5)
Dividing ratio 3
select input
Mo------.
CML·TTL
8
7
Pov.er supply
Vee
0-
Level
To
Output
converter
Input reference
5
bias
VREF0-
• Open collector
output
Input
TJ
1
GNDO-
M "L"
Dividing data output
1/20
Fig. 8
M54459L
(PLL unit IC3)
1/4TC4011BP
X=W
:~x
VDD
TC4011BP
"H"
1/100
Fig. 9
TC4011
BP
(PLL unit
ICG
,..,
11,
17)
Fig.
10
µPD82C43C
(PLL unit
IC13,
14)
9G
8G
7G
6G
5G
4G
3G
2G
1G
ric'BEIBB-Br'B
Cl.
Cl. .
-'·
. .
.Cl.-1.
Pin 1
Fig.
11
FIP907
(PLL unit)
Table
8.
FIP907
Terminals
28
Terminal
No.
1
2 3 4 5 6 7 8
9
10
11
12
13
14
Connection F
NC
9G
NC NC
BG
P(g)
P(f)
7G
P(e)
P(d)
6G
NC
NC
Terminal No. 15 16 17 18 19
20
21
22
23
24
25 26 27
28
Connection
5G
NP NP
4G
P(DP)
3G
P(c)
P(b)
2G
P(a)
NC
1G
NP
F
9

R-2000
CIRCUIT DESCRIPTION
Item Symbol Rating Unit
TO
40
Vee
XTAL 1 2
39
T1
Operating voltage Vee Vss-0.3.~+10 v
XTAL 2 3
38
P27
RESET
4 37 P26
Inputvoltage
Vi
Vss-0.3 ~ Vee+0.3 v
ss 5 36 P25
INT 6
35
P24
Output voltage Vo
Vss-0.3 ~ Vee+0.3 v
EA
7
34
P17
RB e
33
P16
Operating temperature
Topt
-40~+85
·c
Storage temp-erature
Tstg -65 ~ +150
·c
PSEN 9 32
P15
WR
10 31
P14
ALE
11
µPD80C49C
30
P13
OBo
12
-022
29 P12
081 13
28
Ptt
Table 9. µPD80C49C-022 Max. Rating 082
14
27 PIO
083
15
26
voo
084 16
25 PROG
OBll
17
24
P23
094
18
23 P22
087 19
22
P21
Vu 20 21
P20
Fig. 12. µPD80C49C-022 Terminal name
µPDSOC49C'-022 TERMINAL FUNCTIONS
Terminal Name Function Input Output
No. Terminal Name Function Input Output
No.
1 TO Power ON/OFF DATA
input
0
2 XO
MicrocomputerCLOCK (5.74MHz) input
0
3 X1
4 AST RESET input, Normally:H 0
5 SS
Normally5V
21 P20
1110 EXPANDER control output
0
22 P21
0
23 P22 0
24
P23 0
25 PRG
0
6 INT Clock signal (1
KHz) input 0
26
voo
STBY control input 0
7 EA
NormallyGND
27
P10 0
8
)
Not used, Normally:open
9
10
11
28 P11
0
29
P12 0
30 P13 DATA input
0
31 P14 0
12 BO
AM I 0
13
81 USB 0
14 82 LSB Mode output
0
15 83 cw 0
16
84 FM
0
32
P15 0
33 P16 0
34
P17 Program SCAN
stop input
0
35
P24 1/0 EXPANDER SELECT (L:EX(O), H:EX(1 ))
36 P25 TIMER OUT output
0
17
85 VCO-L
} Output
0
18
86 VCO-M 0
19 87 VCO-H 0
20
GND GND
37 P26 Encoder UP/DOWN input (H:UP, L:Down) 0
38 P27 VHF signal output (VHF:H) 0
39
T1 Encoder& program SCAN clock pulse input
0
40
Vee
Microcomputer 5V &Back up power supply
1/0 EXPANDER (0) IC13: µPD82C43C 1/0 EXPANDER {1) IC14:
µPD82C43C
Terminal Name Function
No. Terminal Name Function
No.
2
P40
) aP.F. Data (BCD)
3
P41
4 P42
5 P43
2
P40
Display DIGIT output 1 OOHZ
3 P41
Display DIGIT output 1K
4
P42
Display DIGIT output 1 OK
5 P43 Display DIGIT
output 1 OOK
1 P50
23
P51
) PLL dMding ratio data, address
22
P52
21 P53
output & DATA SELECTOR output
1
P50 Display DIGIT output 1M Active
"L"
23
P51 Display DIGIT output 1OM
22
P52
Display DIGIT output 1 QOM
21 P53 Display DIGIT output CH
20 P60 PLL IC5 }
19 P61
PLL IC
2 Latch clock
output
20
P60 Display SEGMENT output a
19
P61 Display SEGMENT output b
18 P62 Beep output 18 P62 Display SEGMENT output c
17
P63 TIMER errorI
13 P70
M.SCAN
14 P71 PG. SCAN LED output
15 P72 HOLD
16 P73 AUTO.M
17
P63
Display SEGMENT output d Active
"L"
13 P70
Display SEGMENT output e
14 P71 Display SEGMENT output f
15
P72
Display SEGMENT output g
16 P73 Display SEGMENT
output point
10

R-2000
PARTS UST
CAPACITORS
• Rating voltage
_c_G_ 45 TH lH 220 J
2 3 4 5
!\2nd
word A B c D
6
1st\
word\
1 = Type •.... ceramic. electrolyuc. etc. 4 = Voltage rating
2 = Shape ..... round. square. etc. 5 = Value
3 = Temp coell1c1ent 6 = Tolerance
e Temperature coefficient
1st Word c L p R s
Color*
Black
Red
Orange Yellow Green
ppm°('
0 80
-150 -220 -330
2nd Word G H J K L
ppm '°C
±30 ±60
± 120 ± 250 ± 500
Example
CC45TH = - 470 ± 60ppm
1
°C
0
1
T u 2
Blue
Violet 3
·-470 -750
CC45
1.0
1.25 1.6 2.0
10
12.5 16 20
100 125 160 200
1000 1250 1600 2000
• Capacitor value
0 1 0 = lpF
lOO=lOpF
1. 0 1 = lOOpF
E
2.5
25
250
2500
F G H J
3.15 4.0 5.0
6.3
31.5 40
50 63
315 400 500
630
3150 4000 5000 6300
1 0 3 =O.Olt1F
2 2 O =22pF
1st num2e-r ·r ~ultiplier
2nd number
K
8.0
80
800
8000
e Tolerance
V
olor*
-y
I 1 0 2 = lOOOpF =0.001.aF
Cord c D G J
(%)
±0.25 ±0.5 ±2
±·5
Resistors not listed in this parts list are
standard, fixed carbon composition,
1/4W or 1/8W.
The resistance values, in ohms, are indi-
cated on the schematic diagram.
SEMICONDUCTOR
Item Name
Diode
1N60
1N4448
1$1007
1$1555
1$1587
1S2588
BA282
D33A
RD4.7EB3
V03C
Zener- WZ-061
Diode WZ-071
WZ-110
XZ-060
LED
ON1110
LM358P
SG238D
SR538D
SY438D
TLG205
TLR205
K M x
±10 ±20
+40
-20
Re-
marks Item
TR
FET
IC
z p No cord Less
than 10 pF
+80 +100 ~~~e 10.uF -10-
+50
Cord B c D F
-20
-0
Less
than 4.711F -10- + 75 (pF!
±0.1 ±0.25 ±0.5 ±1
Abbreviation Abbreviation
Cap
Capacitor Ml Mylar
c Ceramic s Styren
E Electrolytic T Tantalum
MC Mica
N: New Parts
Name
Re-
marks Item Name
Re-
marks
TLY205 SN169.13P
SN74LS145N
2SA1015(Y) SN74LS73N
2SC1675(L)
TA7060AP
2SC1775(E)
TA7324P
2SC1815(Y) TC4011BP
2SC1907 TC5065BP
2SC1923(D) TC5067BP
2SC1959(Y) µPC577H
2SC2240(GR) µPD80C49C-022 N
2SC2878 N µPD82C43C N
2SD235(Y) Varistor
MV-13
2SK192A(GR)
3SK73(GR) Vari-cap
1SV53A
3SK74(L) 1SV54GC
AN7805 N Display tube FIP907
AN7809 N
HA1368R Surge- ERZD03DK331
M54459L
Absorber
MN6147C
NJM4558D
11
v
-
35
-
-
G
±2

R-2000
PARTS
LIST
f
Part
No.
Re-
Description
marks Part
No.
Re-
Description
marks
GENERAL
J61-0019-05
Bandx
3
J61-0401-05
Nylon band x
20
A01-0939-02
N
Case
(upper)
A01-0940-02
N
Case
(lower)
K01-0411-05
N earring handle
A20-2465-03
N
Panel
K21-0769-04
N Main knob
A23-1472-02
N
Rear
panel
K23-0738-04
Knob, FUNCTION
K23-0755-04
N Knob x 4, AF,
TONE,
SQL,
ATT
803-0529-04
N earring handle back plate
K27-0426-14
Band
knobx
2
803-0530-14
N Switch name plate, NAR-WIDE
K29-0758-04
Push knob x 2,
POWER.
TIMER
803-0531-04
N Ornamental plate, Meter
K29-0767-04
Push knob x 2, DIM,
NB
830-0817-15
Lamp,
14V
80mA
K29-0768-04
Push knob, AGC
831-0641-05
N Meter
K29-0771-04
Knob ring
839-0407-04
Spacerx2
K29-0772-03
N Knob ass'y
842-1722-24
FTZ
plate W2
K29-0773-04
N Push knob, MODE
843-0686-04
N Badge K,M,W,W2,X
K29-077
4-04
N Push knob, NAR-WIDE
843-0687-04
N Badge T
K29-0775-04
N Push knob,
F.
LOCK
846-0058-10
Warranty card
(TKC)
K
K29-0776-04
N Push knob x 3, TUNING
SPEED
850-4022-00
N Instruction manual
K,M,W,W2,X
850-4023-00
N Instruction manual T
L01-8064-05
N Powertransformer
858-0637-00
Voltage warning paper 1K,M,W,W2,X
858-0638-00
Warning paper T NOS-0256-05 Ground screw, ANT
858-0653-00
N Warning paper W2 NOS-0641-05 Screwx
7,
Panel ·
858-0654-00
N Warning paper x N
14-0508-04
Spanner nut.
Panel
N
15-1040-46
Washerx 2, earring handle
C91-0079-05
C,
0.01 AC125V
C1
N30-2608-41
Screwx
2, DC
N30-3006-41 Screwx 7, Lamp,
PLL,
DIN
E04-0152-05
UHF type receptacle, ANT
N30-3008-41
Screwx
2,AC
E07-0751-05
7P DIN plug, accessory
N30-3012-46
Screw, Panel
E12-0001-15
Phone plug, accessory
N30-4006-46
Screwx 2, Carring handle
E18-0351-05
3P
Inlet, AC
power
N32-2606-46
Flat
screw
x 4, Meter
E30-1
643-15
AC Cable ass'y
K,M
N35-3006-41 Bind
screw
x 16,
Case
E30-1644-1 5 AC Cable ass'y T
N87-2606-46
Bind
tapping
screw
x1
6
E30-1645-05
AC Cable ass'y
W,W2
N87-2608-46
Self
tapping
screw
x5
~30-1
64
7-05
AC Cable ass'y x Knob ass'y x 5
N87-3006-41 Self
tapping
screwx
25
i=o5-1o13-05
Fuse
x
2,
0.1
A.
accessory Push
switch.
etc
F05-1521-05
Fuse
1.5A,accessory
N87
-3008-41 Self
tapping
screwx 2, ANT,
SP
F.1
5-0646-04
N
Switch
mask, Piano
switch
N87-3010-46
Self tapping screwx
3,
SP
F19-0610-04
Connectormask, DC13.SV
N87-3012-46
Tap
tight
screw
x 24,
PC
boad
F19-0622-04
N
Rear
cover
N88-3006-46
, Tap
tight
screw
x 10, Sub panel, etc.
G
13-0669-04
Cushion, MODE
$90-0405-05
N Rotary remote switch, ATT
G
16-0506-04
Anti
vibration sheet,
Case
G53-0510-04
Packing x
2,
Case
T07
-0225-1 5 N Speaker
H01-4463-04
N Packing carton K,M,W,W2,X
X41-1480-00
N
Switch
unit
K,M.T,W
H01-4464-04
N packing carton T X41-1480-61 N
Switch
unit
W2
H03-2098-04
N Packing carton X41-1480-71 N
Switch
unit
x
H
10-2569-02
N Packing fixture
(R)
X50-1920-00
N PLL
unit
H
10-2570-02
N Packing fixture
(L)
X54-1690-00
Encoder
unit
H12-1320-04
N Cushion
X55-1340-00
N
RX
unit
H20-1419-03
N Protectivecover
H25-0029-04
Protectivebag
60x100
H25-0105-04
Protective bag ·150x350
J02-0323-05
Footx 4,
Case
(lower)
J02-0403-04
Rubber
foot
x 4,
Case
J02-0428-05
N Assistant foot.
Case
(lower)
j
19-1369~04
N Knob metal fittings, Piano
switch
J19-1372-14
N Knob metal fittings, Piano
switch
J21-2573-04
Foot metal
fittings
x 2.
Case
J21-2788-04
N Speaker metal
fittings
x 3
J32-0767-04
N
Hex.
boss x 4, Meter
12

R-2000
PARTS
LIST
Part No.
Re-
Description Ref.No. Q'ty
marks Part No.
Re-
Description
Ref.
No.
Q'ty
marks
SWITCH
UNIT
(X41-1480-00)
-00:
K,
M,
T, W
-61:
W2,
-71:
X
CC45CH1H150J
C,15P
C52,76,150 3
CC45CH1H220J
C.22P
C14,155 2
CE04W1
C1
OOM
E,
10
16V
C8 1 CC45RH1H010C
C,
1P
±0.25P
C135 1
CE04W1 H4R7M E,4.7
50V
C2,4 2
CC45RH1H020t
C,
2P
±0.25P
C133,142 2
CQ92M1H102K ML, 0.001 C5 1 CC45RH1H040C C,4P
±0.25P
C1;38 1
CQ92M1H104K ML,0.1 C1,13 2
CQ92M1
H683K
ML,0.068
C3 1
CK45F1H103Z
C,
0.01 C6,7,9,
12
4
CC45RH1H060D
C,
6P
±0.5P
Cl40,
143,
146
3
CC45RH1H070D
C,
7P ± 0.5P
C51
1
CC45RH1 H100D
C,
10P
±0.5P
C115,120,125
3
CK45F1H473Z
C,0.047
C21,23,24 3 CC45RH1H220J
C,22P
C144, 1
C90-0814-05
C,
4700
25V
C22 1 CC45RH1H330J
C,33P
C141 1
CC45RH1H470J
C,47P
C49,
118
2
E11-0413-05 US.jack, phones 1 CC45RH1H560J
C,
56P
C113
1
E11-0414-05 N US jack,
REC
1 CC45SL1
H101J
C,100P
C13,16,26 3
E23-0512-05 Terminal 2 CC45SL1H121J
C,120P
C147 1
E40-0273-05
Mini connector 2P 2 CC45SL1H180J
C,
18P
C181.182
2
E40-0442-05 Power connector (4P} 1 CC45SL1H181J
C,
180P
C68 1
CC45SL1H330J
C,33P
C11
1
F05-1521-05
Fuse, 1.5A 1 CC45SL
1
H560J
C,56P
C65,67,112 3
J13-0401-05
Fuse holder 2
CE04W1A101M
E.
100
10V
C175, 1
J30-0514-14
LED
spacer 6
CE04W1A470M
E,47
10V
C177,185 2
CE04W1C101 M
E.100
16V
C222
1
RO
1-3421-05
Pot. 1
OK.Q
(A),
AF,
tone VR1,2 2 CE04W1 C220M
E,22
16V
C18,47,55,97, 5
R06-9406-05 N Pot. 50K.Q
(B),
1
OK.Q
(B)
SOL VR3, 1
100
RS14AB3A220J Metal film 22.Q ± 5% 1
W R12 1 CE04W1 C221 M
E,220
16V
C186 1
RS14AB3A470J Metal film 47.Q
±5%
1W
R11
1 CE04W1E100M
E,
10
25V
C187,189
2
R92-0150-05 Jumper wire
25
CE04W1 E470M
E,47
25V
C213,217 2
CE04W1
HOR1
M E,0.1
50V
C180, 1
$29-1429-05
N Rotary switch, FUNCTION
S30
1 CE04W1 H01
OM
E,
1
50V
C178,231 2
$29-1430-05
N Voltage select
switch
S40
1 CE04W1
H100M
E.
10
50V
C190,191 2
540-2440-15
Push switch,
NB,
DIM,
AGC
S27
-29
3 CE04W1 HR47M
E,
0.47
50V
C227,230
2
540-2442-05
N Push switch, NAR-WIDE
S24
1 CE04W1 H4R7M E,4.7
50V
C201 1
$42-2406-05
N Push switch, power, timer S31 1
$42-4402-05
N Push switch, tuning speed
S23
1 CK45B1H102K C,0.001 C40,60,64,66,70,79,80,82,
23
850-1409-05
Tact
switch, BAND
825,26
2 90,
148,
153,
157,-159,
166,
550-1411-05
Tact switch, MODE
S16-20
5
172,198,202,234,236
850-1412-05
N Tact switch
81
-15,21,22
17 CK45B1H221K
C,220P
C12 1
CK45F1H103Z
C,
0.01 C25,36,54,63,98,99,
111,
18
131,
132,
137,
149,152,
156,
160,
188,203,211,
235
CK45F1H223Z
C,0.022
C24,28,29,39,56,59,74,83,
27
84,85,89,
129,
193-197'
204-210,237
CK45F1H473Z
C,
0.047 C21,35,41,42,61,62,69,77,
22
91,
167,170,176,
179,
184
199,212,216,224,225,228
232,238
CQ92M1H103K
ML, 0.01 C92,93 2
CQ92M1 H104K ML,0.1 C45,95,214, 8
PLL
UNIT
{XS0-1920-00)
215,218-
221
C05-0013-15 Ceramic
trimmer
30pF
C1
1 CQ92M1 H123K ML,
0.012
C43,44,94, 3
CQ92M1 H333K ML,
0.033
C173,174
2
CC45CH1H010C
C,
1P
±0.25P
C75, 1 CQ92M1 H472K ML,
0.0047
C48,128 2
CC45CH1H030C
C,
3P
±0.25P
C88 1
CC45CH1H050C
C,
5P
±0.25P
C15,22,37,38, 8 C90-081 7
-05
C,1000
16V
C130
1
57,58,87,154
C91-0456-05
E,0.047
25V
C19,46,71-73,96,162.168,
16
CC45CH1HOR5C
C,
0.5P
±0.25P
C31,134,
136
3
169,
171,
183,
192,200.
CC45CH1H100D
C,
10P
±0.5P
C23,33,53, 9
223,226,229
117,121,122,
126,127,151
E04-0154-05
Coax
connector 4
CC45CH1H120J
C,12P
C116
1
E06-0752-05
N DIN connector, 7P, REMOTE 1
13

R-2000
PARTS LIST
I
Part No.
Re-
Description
Ref. No. Q'ty
marks Part No. Re- Description
Ref. No.
marks
Q'ty
E06-1051-05 N
DIN connector, 1 OP
1 S51-2408-05
Relay
RL1
. 1
V. CONVERTER
W09-0323-05
Lithium battery 1
E11-0408-05 MIC jack,
EXT SP
1
E23-0046-04 Square terminal 2
E40-0273-05 Mini connector, 2P
12
ENCODER UNIT (X54-1690-00)
E40-0373-05 Mini connector,
3P
3
E40-0473-05 Mini connector, 4P 4 CE04WOJ101M
E, 100
6.3V C1
1
E40-0573-05 Mini connector,
5P
3
E40-0673-05 Mini connector,
6P
1
009-0305-04
Encoder slit 1
E40-0773-05 Mini connector,
7P
1
021-0824-05 Shaft ass'y 1
J21-2792-04
Connector metal fittings (B) 1 N30-2606-46 Screw 2
J31-0502-04
PC Board collar 9
J42-0428-05
PC Board bush 9 R12-2409-05 Trim.
pot ·5k.Q(B) VR1,2 2
L19-0323-05
OSC transformer DC-DC
T9
1
L32-065l -05
OSC coil VCO-L T6 1
L32-0652-05
OSC coil VCO-M T7 1
L32-0653-05
OSC coil VCO-H TS
1
L34-0540-05 Tuning coil 455KHz
T10 1
L34-0863-05 Tuning coil 455KHz
T11 1
L34-2058-05 Tuning coil
VCO
T3 1 RX
UNIT (X55-1340-00)
L34-2147-05 N Tuning coil 9.42MHz T4 1
L34-2148-05 N Tuning coil 9.42MHz
T5 1
L34-2149-05 N Tuning coil 36MHz T1,2 2
L40-1001-03 Ferri-inductor 1
OµH
L22,39 2
L40-1001-14 Ferri-inductor 1
OµH
L67,68 2
L40-1011-03 Ferri-inductor 1
OOµH
L6,11,19.40- 15
44
CC45CG1H221J
C, 220P C165 1
CC45CH1H020C
C, 2P ±0.25P C110 1
CC45CH1H050C
C, 5P ±0.25P
C93 1
CC45CH1HOR5C
C, 0.5P ±0.25P
C95 1
CC45CH1H070D
C, 7P ±0.5P
C96 1
CC45CH1H150J
C,15P
C111 1
46,- 50,57,65
L40-1011-13 Ferri-inductor 1
OOµH
L58,66 2
L40-1011-14 Ferri-inductor 1
OOµH
L51-56 6
L40-1021-03 Ferri-inductorl
mH
L7-9,12,20,
9
23,27,59,60
L40-1
092-14
Ferri-inductor 1 µH
L32 1
L40-1292-14 Ferri-inductor 1.2µH L29,31.34 3
L40-1 501-03 Ferri-inductor 15µH L26 1
L40-1 511-03 Ferri-inductor 150µH L13,15.45 3
CC45CH1H151J
C,150P
C175 1
CC45CH1 H220J C,22P
C188
CC45CH1H270J
C.27P C164 1
CC45CH1H330J
C,33P
C169 1
CC45RH1H020C
C, 2P ±0.25P cao
1
CC45RH1H070D
C, 7P ±0.5P
C90 1
CC45SL1H101J
C, 100P C141,144 2
CC45SL1H120J
C,12P
C234;235 2
CC45SL1H151J
C,150P
C29,31,36,37, 5
L40-1541-27 Ferri-inductor 150µH L21, 1
L40-1801-03 Ferri-inductor 18µH L25, 1
L40-1892-14 Ferri-inductor 1.8µH L30, 1 .
L40-2201-03 Ferri-inductor 22µH L24,37,38, 3
L40-2211-03 Ferri-inductor 220µH
Li6 1
L40-2225-04 Ferri-inductor 2.2mH L14, 1
67
CC45SL1H220J
C,22P
C205,207 2
CC45SL1H241J
C,240P
C27~29
3
CC45SL1H270J C,.27P C109 1
CC45SL1H301J
C, 300P C30 1
CC45SL1H331J
C,330P
C19,21 2
L40-2282-14 Ferri-inductor 0.22µH L33,36 2
L40-3982-14 Ferri-inductor 0.39µH L35, 1
L40-4701-03 Ferri-inductor 47
µH
L10,28 2
CC45SL1H511J
C, 510P
C16~18
3
CC45SL1H680J
C,68P
C38 1
CC45SL1H820J
C, 82P. C40,170,243 3
L40-4711-03 Ferri-inductor 470µH
Ll-5,17,18 7
L72-0337-05 N Ceramic filter 9.42MHz
CF1
1 CE04W1A101 M
E, 10010V
C233,247 2
L77-0984-05 N Crystal 9MHz
X1 1 CE04W1A470M
E, 47 10V C156,158,160,226,231, 8
L78-0005-05 Ceramic oscillator 5.745MHz X2 1 237,251,252
CE04W1
C1 OOM
E, 10 16V c11,15,22,26,32,35.41.44.
39
N09-0641-05 Screw 2 51,54,60,63,64,71,7
6, 78,
Nl0-2030-46
Screw 2 83,112,117
~ 119, 123 ~ 130,
N30-2606-46 Screw 6 147.148,150,176,181
N30-3006-46 Screw· 1 210,212,214,228,240
N30-3008-46 Screw 2 CE04W1C101 M
E, 100
16V C217, 1
CE04W1C102M
E.1000
16V C238 1
R12-6401-05 Trim. pot
470K (8)
VR1
1 CE04W1
C221 M
E, 220
16V C218, 1
RS14AB3D101J Metal film 100.Q ±
5% 2W
R217 1 CE04W1
HOR1 M
E. 0.1 50V C149, 1
RS14A83D150J Metal film
15.Q ± 5% 2W
R218, 1 CE04W1
H01 OM
E, 1
50V C3,69 8
R90-0162-05 lnline block 47k.Qx 8
182-4
3 155,157,159,
R92-0563-05
In lineblock 150k.Qx 5 185,6 2 172.197,255
R92-0150-05 Short jumper 191 CE04W1 HR22M E,0.22
50V
C182,183, 3
215
14

R-2000
PARTS
LIST
Part No.
Re-
Description
Ref.
No. Q'ty
marks Part No.
Re-
Description
Ref.
No. Q'ty
marks
CE04W1 H2R2M
E,
2.2
50V
C152,178,
179
3
L34-0858-05
Tuning coil
46MHz
·
T5
1
CE04W1 H3R3M E,3.3
50V
C209
1
L34-0864-05
Tuning coil 455KHz
T14
1
CE04W1 HR47M
E,
0.47
50V
C146,
151,
153,
4
L34-0865-15
Tuning coil 455KHz
T15
1
180
1
CE04W1 H4R7M E,4.7
50V
C211, L34-0866-1 5 Tuning coil 455KHz
T16
1
L34-0868-05
Tuning coil 455KHz
T18
1
CK4581H102K
C,0.001
C87,94,100
6
L34-2068-05
Tuning coil
46MHz
T6,7 2
107,
196,245
L34-2109-15
Tuning coil
46MHz
T3
1
CK4581H681K
C,
680P CS,10,20 3
L34-2148-05
Tuning coil 9.42MHz
T13
1
CK45F1H103Z
C,
0.01 C73,92,98,
113,
115,
116,
16
L34-2149-05
Tuning coil
36MHz
T9
1
121,
122,
131,
136,
163,
L34-2150-05
N Tuning coil
46
MHz
T8
1
171,186,221,232,241
L34-2151-05
N Tuning coil 9.9MHz
T10
1
L34-2152-05
N Tuning coil 9.9MHz
T12
1
CQ92M1H102K
ML, 0.001
C5-
7,168, 6
L34-2153-05
N Tuning coil 9.9MHz T11 1
200,254
L40-1001-02
Ferri-inductor 1
OµH
L24,26 2
CQ92M1H103K
ML. 0.01
C206,222-
5
L40-1011-03
Ferri~inductor
1
OOµH
L41.42.44.45, 4
225
L40-1021-03
Ferri-inductor 1mH
L39.40.46-
7
CQ92M1H104K
ML,0.1 C219,220. 4
48,51,52
239,253
L40-1205-25
Ferri-inductor 12µH L31,32 2
CQ92M1H122K
ML,0.0012
C9,48,50 3
L40-1092-02
Ferri-inductor 1
µH
L54
1
CQ92M1H183K
ML, O.o18 C201, 1
L40-1292-02
Ferri-inductor 1.2µH L9,10,
14,
16
4
CQ92M1
H222K
ML,0.0022
C4
7
,202,204, 4
L40-1892-02
Ferri-inductor 1.BµH L12,13, 2
208
L40-2282-14
Ferri-inductor0.22µH
L20
1
CQ92M1
H272K
ML,0.0027
C49,57,59, 3
L40-2791-02
Ferri-inductor 2.7
µH
L3,4,8,11 4
CQ92M1
H333K
ML,0.033
C55,56,167, 5
L40-3382-14
Ferri-inductor0.33µH L36, 1
173,174
L40-3392-02
Ferri-inductor 3.3µH L6,7 2
CQ92M1
H392K
ML,0.0039
C45,46,230
3
L40-3982-14
Ferri-inductor0.39µH L22,23 2
CQ92M1H393K
ML,0.039
C203
1
L40-3991-02
Ferri-inductor 3.9µH L38 1
CQ92M1
H473K
ML, 0.047
C199,213,229
3
L40-4701-03
Ferri-inductor 47µH
L43,50
2
CQ92M1
H562K
ML,0.0056
C58 1 L40-4711
-:03
Ferri-inductor 470µH
L33-35,37
4
CQ09FS1H561G ML,'560P
±
2%
C166
1
L40-4782-02
Ferri-inductor
0.4
7
µH
L19,21 2
L40-4791-02
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