Kenwood TS-930S User manual

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AFTER UNPACKING
It is advisabte to save all original packing cartons (inner and
outer] to protect your valuable transceiver from damage
should you wish to transport it for remote operation or ship
it for after-sales service.
The following explicit definitions apply in this manual. Be
sure to read these definitions:
NOTE: if distegarded, inconvenience only — no
damage or personal injury.
NOTE: This manual covers the TS-930S with the
AT-930 Automatic antenna tuner installed.
If your transceiver dees not contain the
AT-930, please disregard any mention of
Automatic antenna tuner operation.
CAUTION: ———___--
Read Operating Manual Section § before placing transmit-
CAUTION:
—
Equipment
damage
may
occur,
but
not
per-
Horintsorvices
sonal
injury.
CONTENTS
SECTION
1.
SPECIFICATIONS
0.00.0.
Re
5.3
Transmission
(1)
SECTION
2.
INTRODUCTION
AND
FEATURES
5
5.4
Transmission
(Il)
SECTION 3. {INSTALLATION
3.1. Unpacking
3.2 Operating precautions
3.3 Operating Location
3.4 Cabling
3.5 Microphone
3.6 Key
3.7 External Speaker and Headphones
3.8 Ground
3.9. Antenna
SECTION
4.
CONTROLS
AND
THEIR
FUNCTIONS
10
4.1 Front Panel
4.2 Rear Panel
SECTION 5. OPERATION
5.1 Reception (I)
(1) Basic Procedures for Receive Operation
{2), WWV Reception
5.2 Reception (1D
(i) RE ATT Switch
(2) RF Gain Controt
(3) AGC (Automatic Gain Control)
{4} RIT
(5) SSB SLOPE TUNE Control
(6) CW VBT Control
{7} Notch Control
{8} AF TUNE Circuit
(9) Noise Blanker (NB}
14
5.5 BAND Switch
5.6 Two VFO Operation
5.7 MEMORY CH Operation
5.8 TF SET Operation
5.9 COOLING FAN Operation
5.10 SHORT WAVE RECEPTION
SECTION
6.
OPTIONAL
ACCESSORIES
_..........
22
6.1 PERIPHERAL Devices and Options
6.2 Installation of Accessories
6.3 Optional Fitter Installation
6.4 AT-930 Installation
6.5 Remote Control Wiring
SECTION
7.
CIRCUIT
DESCRIPTION
|...
33
7.1
BLOCK
DIAGRAM
7.2
Units
7.3
Auto
Antenna
Tuner
SECTION
8.
MAINTENANCE
AND
ALIGNMENT
85
8.1 Preparation
8.2 Adjustments
8.3. Maintenance
8.4 Transmitting WARC bands
SECTION
9.
TROUBLESHOOTING
|...
2.0.
000..37
SECTION
10.
INTERNAL
VIEWS.
38
SECTION
11.
BLOCK
DIAGRAM
39
SECTION
12.
SCHEMATIC
DIAGRAM
40

(a
SECTION
1.
SPECIFICATIONS
_
|
i
[GENERAL]
Transmitter Frequency
Range:
Receiver Frequency
Range:
Mode:
Antenna Impedance:
With AT-930
antenna tuner
Power Requirement:
Power Dissipation:
Dimensions:
Weight:
[TRANSMITTER]
Final Power Input:
Cartier Suppression:
Unwanted Sideband
Suppression:
Harmonic Content:
Audio Frequency
Response:
Modulation:
FSK Shift:
Modutation Distortion:
FSK Shift:
Modulation Distortion:
Microphone impedance:
ALC Input:
Linear Amplifier
Switching:
160 m Band 1.8 ~2.0 Miz
80 m Band 3.5~ 4.0 MHz
40 m Band 7.0~7.3 MHz
30m Band 10.1~10.15 MHz
(10.0 MHz WWV)
20m Band 14,0~14.35 MHz
17 m Band
18.068 ~ 18.768 MHz
15m Band 21.0~21.45 MHz
12 m Band
24.89 ~ 24.99 MHz
10m Band 28.0~29.7 MHz
150 kHz - 30 MHz
A3J (USB, LSB}, A1 (CW), F1
{FSK), A3 (AM)
50 ohms
20 - 150 ohms (80 - 10 meter
Amateur bands only. However,
30~ 100 ohms for 18 MHz
and 24.5 MHz.)
120/220/240 VAC, 50/60 Hz
Max. 510 W during transmis-
sion, 80 W during reception
374(14-3/41Wx 141
{5-9/1 61H x 360(13-13/16 ID
mm finches)
With antenna tuner:
Approx. 18.5 kg (40.8 Ibs}
Without antenna tuner:
Approx. 18.8 kg (37.0 Ibs}
SSB/CW/FSK 250 W
AM 80 W
Better than 40 dB
Better
than
50
dB
(with 1
kHz
modulation)
Less
than
—40
dB
400 - 2,600 Hz/-6 4B
$S8: Balanced modulation
AM: Low fevel modulation
{tF stage)
170 Hz
Less than —31 dB
170 Hz
Less than —31 dB
500 ohms ~ SO kohms
—10 V DC MAX
200 V DC MAX
100 mA
[RECEIVER]
Circuitry:
Intermediaté
Frequencies:
Sensitivity
fat 10 dB S+N/N}
150 - 500 kHz:
$00 kHz - 1.8 MHz:
1.8 - 30 MHz:
Image Ratio:
IF Rejection:
Selectivity
Quadruple conversion
IstiF: 44.93 MHz
2nd IF: 8.83 MHz
3rd IF: 455 kHz
4th IF: 100 kHz
Less
than
1
pV
for
SSB,
CW
and
FSK
Less
than
10
xV
for
AM
Less
than
4
xV
for
SSB,
CW
and
FSK
Less
than
32
xV
for
AM
Less than
0.25
pV
for
SSB,
CW
and
FSK
Less than 2 xV for AM
More than 80 dB
(1.8
MHz~30
MHz)
Mote than 70 dB
(1.8 MHz~30 MHz)
(W-wide, N-narrow filter
selection}
SSB,
CWIW},
FSKIWI,
AMIN):
CWIN), FSKIN}:
AMIW):
SSB Slope Tune:
CW VBT
CWIW), FSK(WI
AMIN):
CWIN), FSK(N}:
AMIW):
2.7 kHz/—6 aB,
4.0 kHz/—60 dB
Without
optional
filter:
same
as.
CW{W), FSK(W)
With
optional
YG-455C-1:
500 Hz/—6 dB,
820 Hz/-60 dB
With
optional
YG-455CN-1;
250 Hz/—6 dB,
480 Hz/-—60 dB
With
optional
YK-88C-1:
500 Hz/—6 dB,
1.5 kHz/—60 4B
Without
optional
filter:
6
kH2z/-6
dB,
18 kHz/—60 dB
With
optional
YK-88A-1:
6 kHz/—6 dB,
71 kHz/—60 ¢B
High-cut:
More
than
1500
Hz
shift/—6 dB
Low-cut:
More
than
700
Hz
shift/—6 dB
600
Hz
~
2.7
kHz/~6
dB
Without
optional
filter:
same
as
CwiW),
FSKIW}
With
optiona!
YK-88C-7
and
YG-455C-t
installed:
150
Hz~500
Hz
—6
d8
With
optional
YK-88A-1:
4
kHz~6
kHz/—6
dB

Frequency Stability:
Frequency Accuracy:
RIT Variable Range:
Notch Filter Attenuation:
Phone Patch Output Z:
Audio Output Power:
Within 4200 Hz during the
first hour after turn-en
Within 430 Hz any 30 minute
period thereafter at constant
temperature
+1 10° or better (at normal
temperatures}
49.99 kHz
More than 40 dB
600 2
More than 1.5 W across 8 2
{at 10% distortion)
NOTE:
The
circuit
and
ratings
may
change
without
notice
due
to
developments
in
technology.
AT-930 (Automatic Antenna Tuner)
Frequency
Range:
Amateur
bands
from
80~10m
input Impedance: 50 Q, unbalanced
Output
Impedance:
20~
150
2
unbalanced
insertion Loss: Less than 1 dB at 3.5 MHz
(at optimum match}
Through Power: 150 W max.
Motor Stop SWR Value: Less than 1.2

(oie
SECTION 2.
2.1 KENWOOD TS-930S
The
TS-930S
is
@
highly
sophisticated
alt-solid
state
transceiver
operating
on
all
Amateur
bands
between
1.8
and
29.7
MHz,
and
a
general
coverage
short
wave
receiver
covering
the
150
kHz
to
30
MHz
range.
The
TS-930S
in-
cludes
many
built-in
features
usually
found
as
extras
on
other
transceivers.
Inchided
are
VOX,
100
kHz
calibrator,
RIT,
RF
attenuator,
two
VFO's
and
two
effective
noise
blankers.
The
TS-930S
also
includes
automatic
gain
con-
tvol
(AGC),
automatic
level
controt
(ALC),
full:
and
semi-
break-in
CW
with
sidetone,
an
RF
speech
processor,
speaker,
built-in
AC
power
supply
and
an
optional
built-in
automatic
antenna
tuner.
Designed
for
operation
on
SSB,
AM,
FSK
or
CW,
the
TS-930S
delivers
more
than
250
watts
PEP
input.
Any
complicated
electronic
device
may
be
damaged
if
operated
incorrectly,
and
this
transceiver
is
no
exception.
Please
read
all
of
the
operating
instructions
before
putting
your
TS-930S
on
the
air.
2.2 FEATURES
+ 160-10 Meters,
Coverage Receiver
Covers
all
Amateur
frequencies
from
160-10
meters,
including
the
new
WARC,
30,
17,
and
12
meter
bands,
on
SSB,
CW,
FSK,
and
AM.
Features
an
excellent
150
kHz
—
30
MHz
generat
coverage
receiver.
Separate
Amateur
band
access
keys
allow
speedy
band
selection,
and
an
UP/DOWN
bandswitch
changes
in
1
MHz
steps.
A
new,
innovative,
quadrupte
conversion,
digital
PLL
synthesized
circuit
provides
superior
frequen-
cy
accuracy
and
stability,
plus
greatly
enhanced
selec-
tivity.
with 150 kHz — 30 MHz General
* Excellent Receiver Dynamic Range
The
use
of
dual
2SK125
J
FET’s
in
a
unique
parallel
RF
amplifier
circuit,
followed
by
two
2SK125's
each,
operated
push-pull,
in
the
1st
mixer,
buffer
amplifier,
and
2nd
mixer
circuits
results
in
outstanding
two-signal
characteristics
and
@
substantially
improved
noise
floor
tevel.
Typical
two-tone
dynamic
range
performance
for
the
receiver
section
is
100
dB
(20
meters,
500
Hz
CW
bandwidth
at
sensitivity
of
0.25
nv,
S/N
10
dB.),
with
an
overall
intercept
point
of
+10
dBm,
a
noise
floor
level
of
—140
dBm,
and
a
blocking
dynamic
tange
of
135
dB
(20
meter,
CW
bandwidth),
Dual
Mode
Noise
Blanker
(“Pulse’’
or
“Woodpecker’’)
NB-1,
with
threshold
control,
for
pulse-type
noise.
NB-2
for
longer
duration
“woodpecker”
type
noise.
INTRODUCTION
AND
FEATURES
SSB IF Slope Tuning
Allows independent adjustment of the low and/or high
frequency slopes of the iF passband, for best
interference rejection.
CW VBT and Pitch Controls
The CW VBT (Variable Bandwidth Tuning) contro! tunes
out interfering signals. The CW pitch contro! shifts the
IF
passband
and
simultaneously
changes,
both
the
received
beat
frequency
and
sidetone
pitch.
A
“Natrow/
Wide" filter selector switch is provided.
IF Notch Filter
100
kHz
tuneable
IF
notch
provides
2
deep,
sharp,
notch,
to
better
than
—40
d8.
SSB
slope
tuning,
CW
VBT,
or
pitch
controls
do
not
affect
the
notch
frequency.
Built-in Audio Filter
Tuneable, peak-type audio filter for CW. Peak center
frequency is approximately 800Hz, adjustable
+400 Hz.
All Solid State, 28 Volt Operated Final Amplifier
The
final
amplifier
operates
on
28
V
DC
for
the
lowest
possible
IM
distortion
(3rd
order
IMD
~37
dB,
typical).
Power
input
is
rated
at
250
W
PEP
on
SSB,
250
W
DC
on
CW
and
FSK,
and
80
W
DC
on
AM.
RF
Power
is
sup-
plied
by
two
Motorola
MRF-422
RF
power
transistors
(Pe=290
Wieach)
operating
push-pull.
Final
amplifier
protection
circuits,
cooling
fan,
and
an
SWR/Power
meter
are
built-in,
Automatic Antenna Tuner, Built-In
Available with the AT-930 Antenna tuner either built-in,
or as an option, which covers the 80-10 meter amateur
bands,
including
the
new
WARC
bands.
The
tuning
range
is
automatically
pre-set
AT
band
selection
to
minimize
tuning
time.
Impedance
matching
capability
is
20
to
150
chms,
unbalanced.
An
“AUTO-THRU’’
switch is provided on the front panel.
CW Full Break-In
The
CW
Full
Break-in
circuit
uses
CMOS
togic
plus
reed
telays
for
maximum
flexibility,
coupled
with
smooth,
quiet
operation.
Front
panel
switchable
to
semi-break-in,
RF Speech Processor
An
RF
clipper
provides
higher
average
“‘talk-power’’,
plus
improved
intelligibility.
Separate
“INPUT”
and
“OUTPUT”
front
panel
level
controls.
Dual Digitat VFO’s
10 Hz
step
dual
digital
VFO’s
include
the
band.
Mode
selector
for
split
frequency
or
cross-band
operation.
Each
VFO
continuously
tunes
the
full
receiver
range.
A

large, heavy, flywheel-type knob is used for ease of tun-
ing. The T.F. Set switch allows fast transmit frequency
setting for split-frequency operations. An A=B switch
is provided for equalizing one VFO frequency to the
other. A VFO ‘Lock’? switch is provided. The RIT
control allows +9.9 kHz receive frequency shift.
Automatic VFO Step change
Tuning faster than 5.5~6.5 revolutions/second
increases the tuning rate for easy OSY.
Eight Memory Channels
These store both frequency and band. VFO-MEMO
switch allows use of each memory as either an indepen-
dent VFO, (the originat memory frequency can be recall-
ed at will), or as a fixed frequency. Internal battery
memory back-up, estimated 1 year life. (Three “AA”
batteries not Kenwood supplied).
Fluorescent Tube Digital Display
Six digit fluorescent tube digital display has an analog
type sub-scale with 20 kHz increment markers. A
separate 2 digit display always indicates RIT frequency
shift, The display also indicates VFO “A” or “B™,
Memory channel operation, RIT “ON and VFO
“LOCK”.
AC Power Supply Bulltin
120, 220, or 240 V AC, switch selected. {operates on
AC only}. Separate automatic fan provided to force-cool
the power supply.
‘Other Features:
* SSB monitor circuit, 3 step RF attenuator, VOX, and
100 kHz marker
© 2.4 kHz SSB and 6 kHz AM filters built-in
* Display and meter dimmer switch
Optional Equipment:
* AT-930 Automatic antenna tuner
© SP-930 External speaker with selectable audio
filters
* YG-455C-1 (500 Hz) or YG-455CN-1 (250 Hz} plug-
in 456 kHz CW filters
* YK-88C-1 (500 Hz} CW and/or YK-BBA-1 {6 kHz)
AM plug-in 8.83 MHz filters
* MC-60A Deluxe desk microphone with PTT, PTT
lock, and UP/DOWN switches
© 71-922(A) The linear amplifier TL-922A. (without
10m band) is available only in U.S.A.
* SM-220 Station monitor for transmit, receive, and
trapazoid displays
© PCIA Hybrid phone patch
© HC-10 Digital World Clock
* HS-6, HS-5, (Deluxe through standard) headphones
HS-4,
IMPORTANT
The MC-60A has a built-in amplifier. When using the
microphone connected to the ¥S$-930S, be sure to
set the MC-60A MIC AMP switch to OUT.
With the MIC AMP switch set to IN, the microphone
output level exceeds the rated input level of the
TS-9305.

————
SECTION 3. INSTALLATION.
3.1 UNPACKING
Remove the TS-930S fram its shipping container and packing
materiat and examine it for visible damage. {f the equipment
has been damaged in shipment, notify the transportation
company immediately. Save the boxes and packing material
for future shipping.
The following accessories should be included with the
transceiver.
. Instruction Manual (B50-3959-20]
. Speaker Plug 1/8“ (E12-0001-05)
. 7 Pin DIN Plug {E07-0751-08) ...
. 8 Pin MIC Plug (E07-0852-05)...
. Fuse (6A) (FOS-6021-05) or
{4A) (FO5-4022-05) ..
. Power cable
Arona
o
3.2 OPERATING PRECAUTIONS: READ
BEFORE OPERATING
It is suggested you read this instruction manual carefully
before attempting operation with your new TS-930S, and
that you follow the suggested operating procedures.
Especially note that the final amplifier power transistors
might be damaged during transmission if the transceiver is
operated into an improper load.
Observe the following transmitter precautions:
1. If the buitt-in antenna tuner is used, operate only after
automatic tuning is completed, tuning must be perform-
ed with the MODE switch at the TUNE position.
2. Use only a resonant, 50 2 antenna which is adjusted for
an SWR of 1.5 or less.
3. DO NOT transmit without an Antenna or Dummy Load.
3.3 OPERATING LOCATION
As with any solid state electronic equipment, the TS-930S
should be kept from extremes of heat and humidity.
Choose an operating location that is dry and cool, and
avoid operating the transceiver in direct sunlight. Atso,
allow at least 3 inches clearance between the back of the
equipment to any object. This space allows an adequate air
flow from the ventilating fans to keep the transceiver cool.
CAUTION:
Do not operate the radio in an RF Field greater than 6 V RF
Receiver damage may occur.
3.4 CABLING (See Figure 3-2.}
i@ GROUND
To prevent electric shock, and reduce the possibility of TVI
and BCI, connect the transceiver to a good earth ground,
through as short and heavy a lead as possible. Use ground
rods or metal cold water feedline,
NOTE:
‘A ground connection greater than 1/4 away from the
transceiver may be a good OC ground, but NOT an AF Ground,
i ANTENNA
Connect through a 50 ohm antenna feedtine to the coaxiat
connector on the rear panel.
@ KEY
if CW operation is desired, connect a key to the KEY jack.
Use shielded line or coaxial cable.
@ POWER CONNECTIONS :
Make sure the POWER switch on the front panel is turned
off, the stand-by switch is in the REC position, the VOX is
off, and the line voltage is correct. Then connect the power
cord to the line source.
@ AC POWER
For fixed station operation, the TS-930S is supplied to
operate from a 120V AC, 220 VAC or 240 VAC 50/
60 Hz pqwer source capable of supplying 510 watts or
more.
For units shipped to the U.S.A., the switch is set at
120 with a 6-ampere fuse installed.
For units shipped to the European, Central and South
American, and African countries, the switch is set at
220 with a 4-ampere fuse installed.
For units shipped to the Oceanian countries, the
switch is set at 240 with a 4-ampere fuse installed.
For AC 220-240 yore
Fig. 3-18 Fuse replacement

3.5 MICROPHONE
Attach the microphone connector
microphone, as shown
circuit, as shown in Figure 3-2A.
in Figure 3-2. Be sure: the
microphone PTT switch is separate from the microphone
Note that a microphone using a common ground terminal
should not be used, to prevent ground loops and unwanted
switching noise.
The microphone input is designed for 5002 ~ 50k?
microphones. Normally, use it at 600Q. The choice of
microphone is important for good speech quality, and
to a suitable
Headphones
Micron!
Miciuphane
wioonnane
P|
=
Trarotorme t ~ é
£ swine
fe} not this
Monitor scope
SM-220
Can be used
Antenna
‘Microphone
———————
fither
@
low
or
high
impedance
microphone {500 2-50 kQ) can be
: Used, The E-LT. switch should be
isolated from the mic circuit {shown
in “A‘}), Use a microphone with a
separate switch and MIC fine so both
P.5.T. and VOX are available.
{8}
and TX monitor
:
Use headphone of 4 to 162 im-
} pedance. The optional HS-4, HS-5 or
HS-6 headphones are best suited for
use with the TS-930S. Stereo-tyoe
headphones can also be used.
View from cord side
oe
x} Tsea0¢
‘Microphone . Microphone connector
= 1
External speaker
Besides the builtin Key ie
spesker, an external For CW operation, con
speaker can also be —_-nect yourkey to the KEY
jack. Use shielded cable.
Open terminal voltage is
approx, 10 VDC
(>.
thet
used. Connect to the
rear EXT SP jack using
the suppliod plug.
for RX
cf
To other To t
RCVR
Earth
It is recommended that a ground lead
be connected to tho rear panel GND
termina to prevent the possibility of
electric shock. TVI and BCI. Use as
short and heavy a lead as possibte.
GND terminal
ransverter To tinear
amplifier
Use the supplied power cable
Fig. 3-2 CONNECTION

should be given serious consideration. The crystal lattice
filters in the transceiver provides all the restriction
necessary on audio response, and further restriction in the
microphone is not required. It is more important to have a
microphone with a smooth, flat response throughout the
speech range.
Follow the microphone manufacturer's instsuctions for
connecting the microphone cable to the plug. With many
microphones, the push-to-talk button must be pressed to
make microphone audio available. For VOX operation, this
unwanted feature may be eliminated, if desired, by opening
the microphone case and permanently bridging the
contacts which control the microphone audio.
Standard microphone sensitivity is within the range of
—50 dB to —60 dB. If a microphone having a higher
sensitivity is used, the ALC and compressor circuits may
not function properly. In this case, insert in the mike line an
attenuator as shown in Fig. 3-2C. A typical MIC gain
control setting is 12 o'clock. If you must rim this control at
9 o'clock or less, use an attenuator.
3.6 KEY
If CW operation is desired, connect a key to the KEY jack.
Use shielded cable, and a standard {mono or 2P) phone
plug.
3.7 EXTERNAL SPEAKER AND HEADPHONES
Receive audio output from the TS-930S is 1.5 watts at 4
to 16 ohms. The TS-930S has a built-in the speaker, plus
an external speaker jack on the reat panel. The speaker
may be an 8-ohm permanent-magnet type, 4 inches or
larger. The internal speaker is disconnected when an exter-
nal speaker is used. Headphones should also be 4 to 16
ohms impedance. When the headphones are connected to
the front-panel PHONES jack, the speaker is disabled.
3.8 GROUND
To prevent electric shock, and reduce the possibility of TVE
and BCI, connect the transceiver to a goad earth ground
through as short and heavy a lead as possible.
3.9 ANTENNA
Any of the common antenna systems designed for use on
the high frequency amateur bands may be used with the
TS-930S, provided the input impedance of the transmis-
sion line is not outside the capability of the AT-930
Automatic Antenna Tuner pi-output matching network.
The transmission line should be coaxial cable. An antenna
system which shows a standing wave ratio of less than
1.5:1 when using 50 ohm coaxial transmission line, or a
system that results in a transmission line input impedance
that is essentially resistive, and between 20 and 150 ohms
will take power from the transceiver through the AT-930.
If open wire or balanced type transmission fine is used with
the antenna, a suitable antenna tuner with balun is recom-
mended between the transceiver and the feed line.
Methods of construction and operating such tuners are
described in detail in the ARRL Antenna Handbook, or
similar publications. For operation-on the 160, 75 and 40
meter bands, a simple dipale antenna, cut to resonance in
the most used portion af the band, will perform satisfac-
torily. For operation on the 10, 15 and 20 meter bands, the
efficiency of the station will be greatly increased if a good
directional rotary antenna is used. Remember that even the
most sophisticated transceiver is useless without a good
antenna.
CAUTION:
Protect your Equipment ~ Use a LIGHTING ARRESTOR

SECTION 4. CONTROLS AND THEIR FUNCTIONS |
3) (19 Gp iD 0
Mo ogao
FRONT PANEL
@ Meter
— AP @ METER switch (1
5p @ MIC (rnicrophone gain) conteot (T)
© @ CAR (cartier level) controt (T}
@ Frequency display
® Tooing knob
20 G BAND switch
49, @ 1 Miz step switch
“) @ D. LOCK switch
8B VEO A indicator
@ VFO 8 indicator
BY @ MEMO Imemory} indicator
@ RIT indicator (A)
@® ON AIR indicator (T}
(3 ANT TUNE (antenna-tuned indicator (T)
NOTCH indicator {R}
FUNCTION switch
A=B switch
TE-SET switch
VFO/MEMO (memory) selector
MEMORY CH selector
MIN (memory write} ewiteh
MR (memory recall) switch
NB 1 (noise blanker 1) switch (RI
NB LEVEL control (Ft
NB 2 (noise blanker 2) switch (A)
RIT switch {RI
RIT contrat {Rl
RIT-CLEAR switch (A)
NOTCH switch (Ft
NOTCH contro! {R}
AF TUNE switch (RD
AF TUNE contra! (R}
VOX switch (T}
CW break-in selector (TF
VOX GAIN contro! {T}
ANTI VOX conteol (T)
DELAY contro! (7)
@® PROC Iprocessor} switch (T}
HD @ PROCESSOR-N (input level) control (T)
| @ PROCESSOR-OUT (output level} control {T}
@ POWER ewiteh
— @ Mow (moniton switch (77
, @ DIM (dimmer switch
@ Standby switch
) @ Auto Antenna Tuner switch {TI
~ @) NAR/WIDE filter bandwidth selector {R
2B @ AGC switch (Rt
BOSSQLOOSVOISHSSSSIIIQSOS
55 @ PHONES (headphones! jack (Ri
@ MIC (microphone) connector (8 Pin} (7)
18 & MODE switch
@ RF ATT (RF attenuator switch (RY
AF (AF gain! contra! (R)
RF (RF gain) control (R)
CW VAT contro! (R}
SSB SLOPE TUNE control (R}
6D DIAL LOCK switch
@ PITCH control (F}
CAL (marker) switch (R)
Battery (memory backup) compartment
@ ANTENNA CONNECTOR
@ GND (ground terminal)
@ RX. ANT output switch
@ RX. ANT termine!
@ X. VERTER {transverten terminal
@ REMOTE CONNECTOR
@ IF OUT jack (RE
@ PHONE PATCH jacks
@ ATTY KEY jack (T}
(® Power connector
@ AC FUSE
@Q EXT. SP Ispeaker! jack (RI
@® CW. KEY jack (7)
@ Cooling fan (final section}
9 Cooling fan (power supply]