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Kenwood TS-700A Transceiver


1. The Mode! TS-700A is a fully solid-state, all-mode amateur band Transceiver designed to provide high quality communications on SS8. FM, AM and CW modes. 2 Basically engmoered for fixed station operation but is also used for mobile station operation because of the employment of AC/DC two-way power system 3. The single and double conversion type Transceiver incorporates its own built-in VFO that continuously covers tho frequency range of 1440 00 to 148.00MHz in 4 bands Repeater operation is also possible in tho 146MHz and 147MHz bands. Tho Repeater frequency is shifted at both NORMAL and REVERSE positions of tho Repeater knob. 4 A newly developed two-speed dial mechanism facilitates tuning MAIN TUNING knob (inner) for closer tuning covers a change of 25kHz by one complete rotation, and QUICK TUNING knob (outor) covors o change of 100kHz similarly. You can tune in quickly with pin-point accuracy This feature Is very useful in receiving SSB signals 5 The mam dial is graduated at 1kHz intervals and provides accurate readings up to 100kHz. while the sub dial is graduated at 50 and 100kHz intervals for reading frequencies up to 1MHz per rotation 6. A total of 44 fixed channels (1 I channels for each band) for all-mode operation including Repeater operation. All tho necessary crystal Oscillator elements arc available as optional accessories Each of working channels can be visually checked by the KENWOOD's unique channel indicator 7 A noise blanker (NB) circuit of the type normally found in many other HF products of our make is included to eliminate pulse noise such as ignition noise. 8. For improved FM-mode operation, a squelch circuit combined with a noise detector circuit and Schmidt circuit is added to the FM unit. 9. A Tuner which uses a voltage variable capacitor is built in the Receiver RF stage to minimize cross-talk and spurious interference, and a high "Q" tuning circuit in the Antenna input stage for excellent selectivity. 10 A balanced-type mixer circuit is adopted for the pre-mixer and heterodyne mixer to assure improved rejection of spurious signals during transmission. 11 Tho Repeater frequency for transmission or reception can bo inverted (NORMAL REVERSE) with one finger action. Tho adoption of tono burst system permits tho tone signal to activate the Repeater circuit automatically for transmission (FM-mode only). 12 Tho IF stago includes a 6-ulomeru crystal filter The built m wido and narrow band ceramic filters provide outstanding selectivity during FM reception. 13 Tho employment of threshold typo RF gain control assures excellent S/N ratio at all times during reception of SSB signals 14 Speaker output is free from distortion because of the use of amplification type AGC circuit. Signals transmitted are accompanied by little or no splutter and free from distortion thanks to the adoption of ALC circuit The AGC circuit comprises such time-constant element that this constant is "slow" in SSB mode but "fast" in FM. AM or CW mode 15. The built-in marker signal circuit enables you to calibrate the tuning dial precisely at 100kHz intervals. By setting the CALIBRATE switch to ON. the Receiver RF input circuit is disabled, thus permitting frequency calibration without being disturbed by external signals. 16. The unique "S" meter Ipatent pending} provides accurate reading without causing "scale-out'' even when unusually strong FM signal comes in. By manipulating the center meter switch, this meter functions as a center meter for pin-point tuning of FM stations 17 VOX operation is also available The Transceiver has provision for connection of VOX-3 obtained from Kenwood as optional accessory 18. Tho ON AIR lamp lights up when the Transceiver shifts into transmitting state. 19. Tho built-in RIT circuit is very useful during reception, particularly in SSB and CW modes It is designed to bo used for both VFO and fixed channel operations. 20. Besides tho built-in oval spoakor {9cm by 6cm), an external speaker can bo used by connecting it to tho spoakor terminal provided on tho Transceiver. 21 The Transceiver operates on AC 120/220V or on DC 13.8V It includes DC voltage multiplier of our own development, contributing much to tho space-saving design of the model 22. Significant improvements are embodied in the panel design for making this Transceiver much easier to control and use. Dials and knobs are of more advanced typo in visual and functional senses Meter illumination arid pilot lighting are included assuming nighttime use of the Transceiver 23. Visual aspects are taken as an important criterion in the designing of this Transceiver. Mechanical features too have been treated similary, with particular emphasis on their reliability. 24 For assuring easier access to the internals, the Transceiver enclosure or case is in two parts, complete with special mechanical details to allow the front control panel to be detached. The final unit is also arranged so that it can be removed from the rear panel. 25 A carrying strap is provided for convenience of carrying the Transceiver. 26. A high quality microphone is included among the standard accessories.

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User Manual
Manual type:
User Manual
16.52 Mbytes (17326432 Bytes)
Electronic document, no scan, very well readable.
Upload date:
08 January 2017


SPECIFICATIONS ... 3 SECTION 1. FEATURES ... 4 SECTION 2. INSTALLATION ... 6 2 1 Accessories 2 2. Operating Location 2 3. Powor Supply Connection 2 4 Antenna Connection 2 5. Microphone 2 6 Sending Key 2-7. External Spoakor 2-8. VOX connection 2-9. MIC Hook SECTION 3. OPERATING CONTROLS ... 8 3 1. Front Panel Controls 3-2. Roar Panel Controls SECTION 4. OPERATING INSTRUCTIONS ... 12 4 1. Roception 4-2. Transmission 4 3. Frequency Calibration 4-4. Roading the Froqnoncies 4-5. Oporating with Fixod Channols 4 6. How to Use RIT 4-7. Mobile Operation with External DC Power Supply 4 8. Repeater Operation 4-9. OSCAR (Artificial Satellite) Operation 4-10. VOX Operation SECTION 5. CIRCUIT DESCRIPTION ... 21 5-1. Block Diagram 5-2. Unitized Circuits SECTION 6. ACCESSORIES ... 23 6-1. Accessories 6-2. Connection of VOX Unit SECTION 7. ALIGNMENT ... 24 SECTION 8. TROUBLESHOOTING ... 25 SCHEMATIC DIAGRAM ... 27 TOP and BOTTOM VIEW ...

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