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HF TRANSCEIVERTS-440S
KENWOOD CORPORATION
~PRINTED IN JAPAN B50-8048-30(K, M, T, W)
89/121110987654321 88/12111098
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Thank you for purchasing the new TS-440S tran- This Instruction Manual covers the TS-440S, sceiver. Please read this instruction manual carefully with and without AT (Automatic Antenna before placing your transceiver in service. This unit has Tuner) unit. When there are differences in been carefully engineered and manufactured to rigid operation, separate instructions will be given for quality standards, and should give you satisfactory and each model. Illustrations show the TS-440S dependable o
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1 1. Wide dynamic range 9. Switchable AGC time constant New advances in circuit design have made a 102 dB A switch is provided to select either FAST or SLOW dynamic range (500 Hz IF bandwidth) possible. AGC action. 2. General coverage reception from 100 kHz 10. All mode squelch to 30 MHz 11. Built-in RF power/SWR meter In addition to transmission and reception on all amateur bands from 1.8 to 28 MHz, the TS-440S provides a 12. Versatile frequency control continuous tuning general coverage receiv
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2. 2-1. PRECAUTION 1. A void direct sunlight, and select a dry, well venti- a location where the rear does not make direct con- lated location. tact with the seat, and is not directly exposed to 2. Since the heat sink is on the rear panel, avoid plac- vibration. ing the equipment with the bottom and rear sides 4. A void installing the equipment in front of the car close to a wall or desk. heater air outlet. 3. When installing the equipment in an automobile, en- 5. The standard operating voltage
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2-2-3. Antenna 2-3-2. Power supply connection Caution: Cautions: Protect your equipment-Use a LIGHTNING AR- 1. Turn POWER switch OFF before connecting/dis- connecting the power cable. RESTOR. 2. Observe battery polarity. Any of the common antenna systems designed for use on the high frequency amateur bands may be used with the TS-440S provided the input impedance of the transmission line is not outside the capability of the Au- tomatic Antenna Tuner. The transmission line should 3. When charging
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VFO RIT rotating the IF SHIFT control in the e direction. I/. U " II n n' This will cause the resulting audio frequencies to ap- D 0 I I CJ. ,-' ,_, Lt. U I ~o pear a little on the high side, again just the opposite of the USB mode. Ii=!a q 0 ol q 9 II ::J. -, , ~,. , I ~1 .CW mode S The operation of the IF SHIFT control is similar to I, :t a q 0: l1l q 1 1';::'.1'-'./1 ~9 that for USB with the exception that you can con- trol the tone of the CW note by using the RIT I' =I 0 q 0 ol control. I' :
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The table in section 6-1, CRYSTAL FILTER INST AL- @ 1 MHz step switch LA TION on page 27 shows the bandwidth of each This switch is used to determine if the UP/DOWN switch setting. Note the differences when the option- switches will function in 1 MHz steps or only thru the al filters are installed. The YK-88C is used in the "N" amateur bands. When the 1 MHz step position is position and the YK-88SN in the "M 1" position. selected, the 1 MHz indicator will light. Notes: - 1. During transmit the w
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@ Standby switch This switch is used when you want to manually con. trol transmit or receive. SEND: Places the radio into transmit. REC: Places the radio into receive. The Standby switch is also used to clear an entry dur- ing direct entry of VFO frequencies, or when entering a memory channel. ~ ALC/PWR/SWR meter switch ALC meter Used to monitor the drive level in USB, LSB, and AFSK modes. PWR meter Used to indicate the output power. Note that this meter is a peak reading meter, not an average r
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3-1-2. .Rear panel @ @ ~ @ VOX GAIN control CD ACC 3 terminal Spare RCA type terminal. No internal connections have This control adjusts the sensitivity of the VOX ampli- been made. fier. Adjust this control for your personal preference. VOX GAIN @ AFSK IN terminal AFSK input terminal. (6)'\ @ AFSK OUT terminal Constant level AF output terminal for AFSK operation, CD ACC 1 jack This jack is designed for connection of the 6-pin DIN @ ANTI VOX control connector supplied with the optional interface
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@ ACC 2 jack Internal wiring Terminal numbers and their applications are as follows: ~=\~~GND ", t3\ fZ"\ ' V\:.)\:J,--,~000 View from the rear panel. , @ I' ..~ '-" @ ---=- 3-1-3. Top cover CW :tIii1 aJ~~J)~~~== 13-pin DIN plug VOX OFF ON !Pin No. Pin Name Application 1 NC No connection 2 NC No connection VOX/BREAK IN switch 3 Data output Output level is fixed regardless of the AF control setting. VOX (Voice Operated Switch) operation is possible in Output voltage: LSB, USB, FM or AFSK mode op
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3-2. RECEIVE SQL control: Fully counte!clockwise. POWER switch: OFF. -NO'",~_. va' ~ B I ~~~~~~I_-~-8~_~'8,§8.88.8~8~a'" ' ,. ,., I ~ ~;;;;: -= -= ~ I "'-_SOE'VER = ~ ~ -~. ~"~ , RF gain control: --' ='=---= = = = I~ 0 10--"- ...~..- -,u~"u.- Fully clockwise. ~ , ~ AF gain control: Standby switch: ~ Fully counter- REC. @ clockwise. ~or IIIII~ O~O II ~ ~ '~'li1~1 II l ~ I II I AGO SE'£CT,""' RIT switch: OFF I TUNING dial (VFO) MODE keys 3-2-1. Initial setting 3-2-2. CW zero-beat operation 1. Pres
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3-2-4. AM reception 3-2-3. Direct keyboard frequency entry There are cases during AM broadcast reception, where Direct keyboard entry of the frequency is possible us- interference in noticeable when SELECTIVITY is W, but ing the numeric keypad on the TS-440S. This allows the intelligibility is poor with the radio in the M2 posi- rapid changes in frequency without the delays encoun- tion, due to a lack of high frequency response. If this tered when using other tuning methods. condition occurs pla
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(b) Full-automatic break-in 3-3-2. CW mode Set MODE keys to CW and set the Meter switch toALC. Depressing the CW key will automatically place the transceiver into the transmit mode. Releasing the CW key will return the radio to receive immediately enabling reception between characters. ALC PWR SWR Caution: c::::m:1:::J The TL-922A/922 linear amplifer is not designed for full break-in type operation. Attempting to use this accessory in the FULL break-in mode cause damage to occur to the linear am
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.Subaudible tone 3-5-1. Why two VFO's An optional subaudible tone unit TU-8 is available for Occasionally OX stations will utilize an operational installation in the TS-440S for accessing 10 meter FM procedure known as split frequency operation. When repeaters. This tone is activated whenever the the OX station is in this mode he will be transmitting TS-440S is in the SPLIT mode. on one frequency and receiving on another. This is done in order for the OX station to be able to recog- 3-3-4. AM mo
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depressing this switch allows you to receive on the b. Enter a two digit channel number using the nu- transmit frequency as long as the switch is held meric keypad, being sure to include the leading depressed. The TUNING dial is active when this zero for channels 00 through 09. Pressing the switch is depressed, so it is easy to change your CLEAR key or the standby switch before press- transmitter frequency at the same time, if neces- ing the second digit will return you to the origi- sary. Relea
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2. Select the desired memory channel using the 3-6-3. Transferring data between memory channels methods described under Memory Entry section. 1. With the TS-440S in the memory mode, press the M.IN key and scroll to the channel that you want the data to be transferred to. M CH 3. To return to the VFO mode, press the VFO/M key n, ILl ,-,cn '-' , , ,. 1 , _,. U again. ,~ (; i: % t'~:J;;))!J'I 2. Press the M .IN key. The frequency and mode of the memory channel that appeared before you pressed I : "
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In example 1 we want to scan only Group 2, so we Note: -~ ,'j The TS-440S microprocessor remembers the variou~ would press the 2 key. In example 2 we want to scan Group 1 and Group 2, so we would press the 1 key scan parameters that you have specified and will fol- low whatever you have entered the next time you and then the 2 key. press the SCAN key. Example 1 Example 2 Group 2 Group 1 Group 2 . Example 1: Memory mode ~~ I.;M"\1 GH1U L;H1II-- CH3U lJM"" ~ -oJ -"' Previously programmed memory sc
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of the TS-440S. (See page 11 for the REMOTE ter- 3-8. AFSK minal pin configuration.) 3-8-1. Reception 3. Place the MODE key on the TS-440S to AFSK, and Note: the Meter switch to ALC. An RTTY terminal is required to receive and dis- 4. To transmit, either place the SEND/REC switch on play/print the RTTY signal. the TS-440S to SEND, or use the PTT signal from your terminal unit. 1. The AFSK mode utilizes the LSB carrier frequency, 5. When using AFSK, you can also apply your trans- which conforms t
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4. This 3rd IF frequency is either amplified and then 4-1. GENERAL DESCRIPTION demodulated by the FM detector IC, for FM operation, The TS-440S utilizes double-conversion for FM trans- or applied to the 455kHz filter. After filtering the sig- missions, and triple-conversion for all other transmis- nal is amplified and applied either to the SSB or AM sion modes, and for all modes in receive. The detector circuits. intermediate frequencies are 45.05 MHz, 8.83 MHz and 455 kHz. 4-4. CIRCUIT BOARD DE
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5. 5-1. GENERAL INFORMATION formation in the space provided on the back cover of this manual. Your transceiver has been factory aligned and tested Service note: to specification before shipment. Under normal circum- Dear OM, if you desire to correspond on a technical stances the transceiver will operate in accordance with or operational problem, please make your note short, these operating instructions. All adjustable trimmers complete, and to the point. And PLEASE make it and coils in your tran
