Technicians S Quartz SYNTHESIZER LW/MW/FM STEREO TUNER ST-X830L STEREO DOUBLE CASSETTE AMPLIFIER SU-X820 OPERATING INSTRUCTIONS Notes: * Specifications differ according to the area code. *The “EK" area code, for example, indicates United Kingdom specification. » The "EK" indication is shown on the packing case and serial number tag.
Oil We want to thank you for selecting this product and from this new addition to your home. to welcome you to the growing family of satisfied Please read these operating instructions carefully, Technicians product owners around the world. and be sure 1o keep them handy for convenient We feel certain you will get maximum enjoyment reference. Contents * Fot United Kingdom e 2 * Memory * Accessories .2 + Remote-Control Transmitter * Suggestions for Safety .
Suggestions for Safety ® Use a standard electrical AC wall outset 1. Use from an AC power source of high vantage, such as for air conditioners, is very dangerous. Be extremely careful not 1o make a connection to the electrical outlet for large air conditioner or central-heating unit which uses high voltage, because there is the possibility of fire. 2. A DC power source cannot be used. Be sure to check the power source carefully, especially ona ship or other pace where DT is used.
Connections * For a turntable with a ground terminal. bo sure to connect the ground wire 1o the "GND™ terminal of the cassette amplifier. {Refer to the operating instructions of the turntable.} « Donotconnectvideo-retated equipment (such as a TV, etc.) to the AC outlets of these components. {These outsets are especially for audio equipment.
Connection of speaker system: (@ Strip off the outer covering, @ Turn completely to the left. @ Insert wire and turn Note: and twist the center completely o the right To prevent damage to circuitry, conductor. Pull wire to insure 8 proper never short-circuit plus and connection minus () speaker terminals. m@ 15 mm (19/32") Load i da 8188 Connections to other equipment oad impedance For connection of a second tape deck (for playback only).
Antenna Connections The indication AM used here secludes both MW.and LW, Note: An outdoor antenna should be installed by a competent technician only. FM outdoor antenna (. {Necessary in mountainous regions, inside reinforcedcancrete buildings, etc.
Front Panel Controls and Functions The indication'AM used here:includes Channel display (Roger (0 page 10.} g both MW and LW, Band selectors (BAND SELECTOR) FM: Press this bunion to listen to an FM broadcast. MW: Press this button 1o fasten 1o an MW broadcast. ALLOCATION: When the MW button is pressed for about 4 seconds, the MW frequency step will change ta 10 kMz per step.
Front Panel Controls and Functions Amplifier section Volume/balance level indicators {VOLUME/BALANCE) These indicators usually show the volume feel; when the balance controls pressed. however. the position of balance level is displayed for five seconds, gaiter which the display returns again to indication of the volume level. Wuhan the muting button is pressed, the indicator corresponding to the maximum displayed volume level point wife flash.
11 £t remote-control operation, be sure to connect the remote-control cords and/or flat cables, tc. included with each component correctly. transmitter 1 o Cross 10 select a preset “channel”. O~ (refrigerator 12} »PLAY/ II PAUSE Press lo start disc play. {When pressed during disc play, the play will stop temporarily } N/OFF Press t itch the t Fi Note: If the compact disc player has the QUOIT o F “PLAY" button and the "PAUSE" button .
The indication AM used here includes’ both MW and LW. Memory Presetting With this tuner you may preset as many as 24 radio broadcast stations; FM/AM random presetting.
Remote-control transmitter Use the remote-control transmitter Face it award the remote Be sure the transmitter part of the remote-control within 7 meters. control signal receptor, transmitter and the receptor part of the tuner are free from dust. Excessive dust might prevent reception. Remote-control transmitter 7 meters (204) {Obstacles should be avoided.) Avoid dust. Note: The control panel of the remote-control transmitter may be covered by a clear plastic protective shes.
Operation Standard Opera ng Procedures Adjust tone quality as desired. Low-range Adjust the left/right sound is adjusted with bass control and volume balance. high-range sound with treble control Set to the “~20 dB” position to SON® (21— n) temporarily reduce the volume level. Press this button to boost the ultra-low frequency range. Adjust the volume Sound from the speakers will not be heard when headphones are connected to this jack.
tensing to tapes First turn ON the power of each unit, “TAPE” The side to be played hack (The indicator will illuminate.) racing outward. Select the Dolby noise-reduction system. {Refer to page 14.) Part where tape is exposed {acing downward. Adjust the volume level Press-' :h‘en tangerine and the desired tone cassette tape. quality. (Refer to page 12} Press, then inserts cassette tape. Press to begin Press to begin tape playback. tape playback.
Recording * Your attention is drawn to the fact that recording prerecorded tapes of other published or broadcast material may infringe copyright fawns. Tape recording First turn ON the power of each unit, Select the Dolby noise-reduction system. (Refer to below} 2 “OFF” 3 Press, then insert a cassette tape. Press. {Recording stand-by made} N 5 Press. N Press, . Press to stop the recording. Press to temporarily stop the receding @ To erase recorded sounds 1.
Edit-recording “Edit-recording” is retarding from one tape to another while making some changes. First turn ON the prows of each unit, “NORMAL" For operation at the Note: Do not change the setting 1 ordinary taps speed. while a recording is in progress. “MI” For aeration at the (To do 50 will cause & momentary high tape speed distortion of he playback sound.) 2 “TAPE" Press, then insert the tape {The indicator wife illuminate.} 1o be used for playback.
Maintenance To assure sound quality for recording and playback, be surety clean the heads tater approximately Avery 10 hours of use. W Cleaning with a cotton swab 1} Press the power switch to switch off the electrical power supply of the amplifier. 2} Press the stop/eject button to open the cassette holder. 3} Clan the heads, pinch roller and the capstan shaft with a cotton swab {or with a soft, lint-free cloth) slightly moistened with alcohol. Do not use any solution other than alcohol for head cleaning.
Probable cause(s) While listening to FM broadcasts A slight noise may be heard because the g method used for modulation of FM stereo broadcasts is different than that used for monaural broadcasts. Poor location and/or direction of the antenna. transmitting station s (oo far away. Suggested remedy » Try reducing the treble sound by using the treble control of the amplifier. * Set the FM made selector to the monaural position, {Note that the redbreast wiki then be beard as monaural sound.
Technical Specifications W FM TUNER SECTION Frequent range MHz {50 kHz-steps} Sensitivity 15V (IHF, usable} (750 SN 28dB 124V (750 (7500 1HF 46 4B stereo quailing sensitivity 28 pV/750 Total harmonic distortion MONO 6.15% STEREO 0.3% SN MONO 70.d8 (78 dB, Iffy STEREO Frequency response 20 Hz~ 15 kHz, +0.5 96~ 15 d8 Alternate channel selectivity IHF) 4400 kHz 65 4B Capture ratio 10d8 image rejection at 98 MHz 40 dB 1F refection at 98 MHz 70.
Mitsubishi Electric Trading Co., Ltd. ® P.O.
