User manual TECHWOOD STR84

STR-84 260 WATT STEREO RECEIVER OWNER'S MANUAL CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated "dangerous voltage" within the product's enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance. WARNING: TO PREVENT FIRE OR SHOCK HAZARD, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE. IMPORTANT SAFETY INSTRUCTIONS CAUTION: · Read all of these instructions. · Save these instructions for later use. · Follow all warnings and instructions marked on the audio equipment. 1) Read instructions - All the safety and operating instructions should be read before the product is operated. 2) Retain instructions - The safety and operating instructions should be retained for future reference. 3) Heed Warnings - All warnings on the product and in the operating instructions should be adhered to. 4) Follow Instructions - All operating and use instructions should be followed. 5) Cleaning - Unplug this product from the wall outlet before cleaning. Do not use liquid cleaners or aerosol cleaners. Use a damp cloth for cleaning. 6) Attachments - Do not use attachments not recommended by the product manufacturer as they may cause hazards. 7) Water and Moisture - Do not use this product near water-for example, near a bath tub, wash bowl, kitchen sink, or laundry tub; in a wet basement; or near a swimming pool; and the like. 8) Accessories - Do not place this product on an unstable cart, stand, tripod, bracket, or table. The product may fall, causing serious injury to a child or adult, and serious damage to the product. Use only with a cart, stand, tripod, bracket, or table recommended by the manufacturer, or sold with the product. Any mounting of the product should follow the manufacturer's instructions, and should use a mounting accessory recommended by the manufacturer. 9) A product and cart combination should be moved with care. Quick stops, excessive force, and uneven surfaces may cause the product and cart combination to overturn. "Note to CATV system installer: This reminder is provided to call the CATV system installer's attention to Section 820-40 of the NEC which provides guidelines for proper grounding and, in particular, specifies that the cable ground shall be connected to the grounding system of them building, as close to the point of cable entry as practical. Example of Antenna Grounding as per National Electrical Code, ANSI/NFPA 70 ANTENNA LEAD IN WIRE GROUND CLAMP ANTENNA DISCHARGE UNIT (NEC SECTION 810-20) ELECTRIC SERVICE EQUIPMENT GROUNDING CONDUCTORS (NEC SECTION 810-21) GROUND CLAMPS POWER SERVICE GROUNDING ELECTRODE SYSTEM (NEC ART 250,PART H) NEC-NATIONAL ELECTRICAL CODE 10) Ventilation - Slots and openings in the cabinet are provided for ventilation and to ensure reliable operation of the product and to protect it from overheating, and these openings must not be blocked or covered. The openings should never be blocked by placing the product on a bed, sofa, rug, or other similar surface. This product should not be placed in a built-in installation such as a bookcase or rack unless proper ventilation is provided or the manufacturer's instructions have been adhered to. 11) Power Sources - This product should be operated only from the type of power source indicated on the marking label. If you are not sure of the type of power supply to your home, consult your product dealer or local power company. For products intended to operate from battery power, or other sources, refer to the operating instructions. 12) Grounding or Polarization - This product may be equipped with a polarized alternating-current line plug (a plug having one blade wider than the other). This plug will fit into the power outlet only one way. This is a safety feature. If you are unable to insert the plug fully into the outlet, try reversing the plug. If the plug should still fail to fit, contact your electrician to replace your obsolete outlet. Do not defeat the safety purpose of the polarized plug. 13) Power-Cord Protection - Power-supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them, paying particular attention to cords at plugs, convenience receptacles, and the point where they exit from the product. 14) Outdoor Antenna Grounding - If an outside antenna or cable system is connected to the product, be sure the antenna or calbe system is grounded so as to provide some protection against voltage surges and built-up static charges. Article 810 of the National Electrical Code, ANSI/NFPA 70, provides information with regard to proper grounding of the mast and supporting structure, grounding of the leadin wire to an antenna discharge unit, size of grounding conductors, location of antenna-discharge unit, connection to grounding electrodes, and requirements for the grounding electrode. 15) Lightning -For added protection for this product during a lightning storm, or when it is left unattended and unused for long periods of time, unplug it from the wall outlet and disconnect the antenna or cable system. This will prevent damage to the product due to lightning and power-line surges. 16) Power Lines -An outside antenna system should not be located in the vicinity of overhead power lines or other electric light or power circuits, or where it can fall into such power lines or circuits. When installing an outside antenna system, extreme care should be taken to keep from touching such power lines or circuits as contact with them might be fatal. 17) Overloading - Do not overload wall outlets, extension cords, or integral convenience receptacles as this can result in a risk of fire or electric shock. 18) Object and Liquid Entry - Never push objects of any kind into this product through openings as they may touch dangerous voltage points or short-out parts that could result in a fire or electric shock. Never spill liquid of any kind on the product. 19) Servicing - Do not attempt to service this product yourself as opening or removing covers may expose you to dangerous voltage or other hazards. Refer all servicing to qualified service personnel. 20) Damage Requiring Service - Unplug this product from the wall outlet and refer servicing to qualified service personnel under the following conditions: a) When the power-supply cord or plug is damaged. b) If liquid has been spilled, or objects have fallen into the product. c) If the product has been exposed to rain or water. d) If the product does not operate normally by following the operating instructions. Adjust only those controls that are covered by the operating instructions as an improper adjustment of other controls may result in damage and will often require extensive work by a qualified technician to restore the product to its normal operation. e) If the product has been dropped or damaged in any way. f) when the product exhibits a distinct change in performance-this indicates a need for service. 21) Replacement Parts - When replacement parts are required, be sure the service technician has used replacement parts specified by the manufacturer or have the same characteristics as the original part. Unauthorized substitutions may result in fire, electric shock, or other hazards. 22) Safety Check - Upon completion of any service or repairs to this product, ask the service technician to perform safety checks to determine that the product is in proper operating condition. 23) Wall or Ceiling Mounting - The product should be mounted to a wall or ceiling only as recommended by the manufacturer. 24) Heat -The product should be situated away from heat sources such as radiators, heat registers, stoves, or other products (including amplifiers) that produce heat. 2 CONTENTS IMPORTANT SAFETY INSTRUCTIONS .........................................................................................................................................2 PRECAUTIONS ...............................................................................................................................................................................4 Read This Before Operating ........................................................................................................................................................4 CONNECTIONS ...............................................................................................................................................................................5 System Connections ....................................................................................................................................................................5 Antenna Connections...................................................................................................................................................................6 FM Antenna ............................................................................................................................................................................6 AM (MW) Antenna ..................................................................................................................................................................6 Speaker Connections ..................................................................................................................................................................7 Power Cord .................................................................................................................................................................................7 AC OUTLETS ..............................................................................................................................................................................7 VIDEO 3 INPUT Jacks.................................................................................................................................................................7 CONTROLS AND INDICATORS .....................................................................................................................................................8 Front Panel ..................................................................................................................................................................................8 Display .......................................................................................................................................................................................10 REMOTE CONTROL UNIT ............................................................................................................................................................11 Using the Remote Control Unit ..................................................................................................................................................11 Battery Installation .....................................................................................................................................................................11 Remote Control Unit ..................................................................................................................................................................12 AUDIO OPERATIONS ...................................................................................................................................................................13 Back-up memory function ..........................................................................................................................................................13 Sleep Timer Oepration...............................................................................................................................................................13 When to use reset switch...........................................................................................................................................................13 Basic Operations........................................................................................................................................................................14 Audio Adjustments .....................................................................................................................................................................14 Radio Reception ........................................................................................................................................................................15 Auto Tuning ...........................................................................................................................................................................15 Manual Tuning.......................................................................................................................................................................15 Direct Tuning with Remote Control .......................................................................................................................................16 Preset Tuning.............................................................................................................................................................................17 Automatic Memory Presetting ...............................................................................................................................................17 Manual Memory Presetting ...................................................................................................................................................17 Listening to Records and Compact Discs ..................................................................................................................................18 Playing Tapes ............................................................................................................................................................................18 Recording a Source ...................................................................................................................................................................18 VIDEO OPERATIONS....................................................................................................................................................................19 Playing Video sources ...............................................................................................................................................................19 Recording with a video deck ......................................................................................................................................................19 Tape Dubbing (from VIDEO 2 to VIDEO 1) ...........................................................................................................................19 Video Editing Function ..........................................................................................................................................................19 TROUBLESHOOTING ...................................................................................................................................................................20 SPECIFICATIONS .........................................................................................................................................................................21 3 PRECAUTIONS Read This Before Operating Choose the installation location of your unit carefully. Avoid placing it in direct sunlight or close to a source of heat. Also avoid locations subject to vibrations and excessive dust, heat, cold or moisture. The ventilation holes should not be covered. Make sure there is at least 20 cm (8 inches) of space above and at least 5 cm (2 inches) of space beside the amplifier/receiver. Do not place a CD player or other equipment on top of the amplifier/receiver. Do not open the cabinet as this might result in damage to the circuitry or electrical shock. If a foreign object should get into the set, contact your dealer. When removing the power plug from the wall outlet, always pull directly on the plug, never yank the cord. Do not attempt to clean the unit with chemical solvents as this might damage the finish. Use a clean, dry cloth. Keep this manual in a safe place for future refernce. For U.S.A TO THE USER This equipment has been tested and found to comply with the limits for a A/V receiver, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against interference in a residential area. This device generates and uses radio frequency energy and if not installed and used in accordance with the instructions, it may cause interference to radio or TV reception. If this unit does cause interference with TV or radio reception you can try to correct the interference by one or more of the following measures : a) Reorient or relocate the receiving antenna. b) Increase the separation between the equipment and the receiver. c) Plug the equipment into a different outlet so that it is not on the same circuit as the receiver. If necessary, consult the dealer or an experienced radio/TV technician for additional suggestions. CAUTION Changes or modifications to this equipment not expressly approved by WELTON U.S.A. for compliance could void the user's authority to operate this equipment. The equipment draws nominal non-operating power from the AC outlet with its POWER switch in the STANDBY position. For CANADA AND U.S.A. AC POWER CORD CONNECTION CAUTION : TO PREVENT ELECTRIC SHOCK, MATCH WIDE BLADE OF PLUG TO WIDE SLOT, FULLY INSERT. ATTENTION Pour éviter les chocs électriques, Introduire la lame la plus large de la fiche dans la borne correspondante de la prise et pousser jusqu'au fond. 4 CONNECTIONS System Connections CAUTION : Do not plug the power cord of any component into AC outlets and do not turn their POWER switches on until all connections have been performed. Refer to "Antenna Connections" on pages 6~7. TV Monitor Turntable Tape Deck CD Player : Audio signal : Video signal LINE OUT LINE IN AC Outlets: Two switched, Total 100W. VIDEO OUT VIDEO 1 VIDEO OUT AUDIO OUT DVD/VIDEO 3 REAR SURROUND SPEAKERS MAIN SPEAKERS AUDIO OUT AUDIO IN VIDEO IN Audio connection cords 5 Antenna Connections FM Antenna FM Indoor Antenna In an area with strong FM signals, the "T"-type FM antenna provided is sufficient. Extend this into a "T" shape and connect the two wires at the base of the T to the antenna terminals , as shown. For details of how to connect the antenna wires to the terminals, see the illustration. Extend the top of the T and fix with thumb tacks, or the like, to a wall or window frame for the best possible reception. AM (MW) Antenna AM Indoor Loop Antenna A high-performance AM loop antenna provided with the receiver is sufficient for good reception in most areas. Connect the loop antenna's wires to the AM antenna terminals as shown. Place the antenna on a shelf, for example, or hang it on a window frame, etc., in the direction which gives the best reception, as far away as possible from the entire system, speaker cords and the power cord, to prevent unwanted noise. AM Outdoor Antenna If the AM loop antenna provided does not deliver sufficient reception (because you are too far from the transmitter or in a concrete building, etc.), it may be necessary to use an outdoor AM antenna. Use an insulated wire more than 15 ft (5 m) long, strip one end, and connect this to the terminal as shown. The antenna wire should be strung outdoors or indoors near a window. For better reception, connect the GND terminal to a reliable ground. Note : Even when using an outdoor AM antenna, do not disconnect the AM loop antenna. "T"-type FM Antenna (300 )(provided) FM Outdoor Antenna In an area where FM signals are weak, it will be necessary to use a 75-ohm unbalanced-type outdoor FM antenna. Generally, a 3-element antenna will be sufficient; if you live in an area where the FM signals are particularly weak, it may be necessary to use one with 5 or more elements. A 75-ohm antenna uses a coaxial cable and should be connected as follows: first strip the covering of the cable, then twist the wire shielding so the inner core and shielding can be connected as shown. AM Loop Antenna (provided) U.S.A/Canade/ General Export Model Outdoor FM Antenna (75 ) AM Outdoor Antenna How to connect antenna Press the lever, insert the stripped and twisted end of the wire, then release the lever so that the wire is held securely. 6 Speaker Connections Caution : To avoid damaging the speakers, be sure the power is off before connecting the speakers. Connect each speaker to the corresponding speaker terminal. Notes : When using the rear speakers, be sure to connect them to both channels (L and R). If a speaker is connected to only one channel, no sound will be heard. Use speakers with a nominal impedance of 8 ohms or more. Power Cord Be sure to connect the power cord to an AC outlet which supplies the correct 120 voltage. AC OUTLETS SWITCHED : These outlets switch on and off when you turn the amplifier on and off. Caution : The total power consumption of the components connected to the AC OUTLETS must not exceed 100W. How to connect the speaker cords VIDEO 3 INPUT Jacks L Video camera or other video components may be connected to the video 3 input jacks on the front panel. R Press the lever, insert the stripped and twisted end (approx. 10 mm) of the cord, then release the lever so that the cord is held securely. AUDIO OUT IMPORTANT : One of the MAIN/SURROUND speaker selectors on the front panel must be turned on or no sound will be heard. VIDEO OUT Video Camera Recorder, etc. 7 CONTROLS AND INDICATORS Front Panel 1. STANDBY/ ON button and Indicator When in standby mode, a red indicator will light up. When you press the POWER button, power will be turned on and the green indicator will light up. 10. BALANCE control Use to balance volume between the left and right main speakers. 2. LINE STRAIGHT button and Indicator Press this button to bypass the bass and treble tone control, and surround mode. The indicator will light up. Press the button again to release it. 11. VIDEO 3 Audio and Video terminal For connection of portable video component such as a camcorder. 12. INPUT SOURCE selector PHONO : Press to listen to a record on optional turntable. "PHONO" appears in the display. TUNER : Press to listen to a radio broadcast. TAPE MONITOR : Press to listen to a tape. "TAPE M" appears in the display. CD : Press to listen to a CD. "CD" appears in the display. VIDEO 1 : Press when playing a video component connected to this input. "VIDEO 1" appears in the display. VIDEO 2 : Press when playing a video component connected to this input. "VIDEO 2" appears in the display. DVD/VIDEO 3 : Press when playing a video component connected to this input. "DVD" appears in the display. 3. SPEAKER selector buttons These buttons are used to select the speaker system "MAIN" or "SURROUND". The corresponding LED light will be turned on. 4. REMOTE SENSOR 5. DISPLAY 6. LOUDNESS When listening at a low volume level, you can press this switch to boost bass. Press the switch again to release it. IMPORTANT : Never activate the loudness button when playing the stereo above the 50% volume level or damage will occur to your speakers and stereo. 7. MASTER VOLUME 8. TREBLE control Use to adjust high frequency response. 9. BASS control Use to adjust bass response. 8 13. HEADPHONE jack for optional headphones. 14. SLEEP button 15. Preset buttons (0 -9) These buttons are used to store and recall FM/AM stations in memory (See page 17). 20. BAND selector button Each time you press the button, the bands will change as follows. FM AM 16. MEMORY button Use to store FM/AM stations in memory (See page 17). 17. MODE button Use to select the Normal Tuning Scan or Preset Channel scan modes. See Radio Reception (See page 15 ~ 17). 18. TUNING/PRESET buttons See Radio Reception (See page 15 ~ 17). 19. FM MODE button When activated, this unit automatically switches into the stereo mode when a stereo broadcast is received and the stereo light illuminates. Press this button again to listen in the mono mode. The stereo indicator will not illuminate in the mono mode. 9 Display 1. Input source, frequency and level indicator Function display : When you press input selection button, the selected input source will be shown. Frequency display : When you select Tuner input source, FM/AM frequency will be displayed. Surround Sound Level display : When you adjust the level of center, rear and delay when operating unit in surround mode, the level will be displayed in dB. 4. TAPE Monitor indicator This indicator will illuminate When you press TAPE MONITOR button. 5. STEREO indicator This indicator will illuminate when FM stereo broadcasting is received. The indicator will not light up on FM mono or AM broadcasting. 6. TUNED indicator This indicator will illuminate when a radio station is precisely tuned. 2. Memory Channel indicator The number of the memory channel which is selected will be displayed. 7. TIMER indicator This indicator will illuminate when the timer is used. 3. MEMORY indicator Press the MEMORY button and the MEMO indicatorwill light. If you press the MEMORY button and release instantly, the indicator will blink 4 times. This method is used for manual station programming. If you press the MEMORY button longer than 1/2 second, the indicator will remain lit until the automatic programming is completed. 10 REMOTE CONTROL UNIT Using the Remote Control Unit By using the provided remote control unit, the receiver and matched optional components CDC-85 and TDX-85 can be controlled from your listening position. To use the remote control unit, point it at the REMOTE SENSOR window of the receiver. Battery Installation REMOTE SENSOR window of the receiver 1. Remove the battery compartment cover. 2. Insert two "AAA" (R03, UM-4) dry batteries. Make sure that the batteries are inserted with their positive and negative poles positioned correctly. 3. Close the cover until it clicks. Battery Replacement If the distance required between the remote control unit and main unit decreases, the batteries are exhausted. In this case replace the batteries with new ones. Notes : Even if the remote control unit is operated within the effective range, remote control operation may be impossible if there are any obstacles between the unit and the remote control. If the remote control unit is operated near other appliances which generate infrared rays, or if other remote control devices using infrared rays are used near the unit, the stereo may operate incorrectly. Converseiy, the other appliances may also operate incorrectly. Precautions concerning batteries Be sure to insert the batteries with correct positive " "and negative " " polarities. Use batteries of the same type. Never use different types of batteries together. Rechargeable and non-rechargeable batteries can be used. Refer to the precautions on their labels. When the remote control unit is not to be used for a long time (more than a month), remove the batteries from the remote control unit to prevent them from leaking. If they leak, wipe away the liquid inside the battery compartment and replace the batteries with new ones. Do not heat or disassemble batteries and never dispose of old batteries by throwing them in a fire. 11 Remote Control Unit POWER SELECTION 1. POWER ON button 2. POWER STANDBY button TUNER SECTION 3. SLEEP button 4. TUNING UP/DOWN buttons 5. P.CALL UP/DOWN buttons 6. NUMERIC keys 7. BAND selector button 8. DIRECT TUNING button AMP SECTION 9. INPUT SOURCE Selector buttons 10. MUTING button 11. MASTER VOLUME CONTROL (VOLUME up/down buttons) DECK SECTION 12. TAPE DECK Operation buttons (For use with optional matched tape deck TDX-85). CD SECTION 13. CD Player Operation buttons Certain buttons on the remote control unit and on the front panel of the receiver have the same or similar functions and have the same reference numbers. (For use with matched compact disc changer CDC-85). 12 AUDIO OPERATIONS Back-up memory function BACK-UP memory This function stores the preset memory and most-recent memory functions. In the event of a power failure, or if the power cord of this unit is disconnected from the electric outlet, the back-up memory will save the preset memory and most-recent memory functions for approximately 3 days. If the power supply is interrupted for 3 days or longer, the memory settings will be erased. WHEN TO USE RESET SWITCH Ocassionally, the microprocessor inside the unit may malfunction due to electrical power surges or lightning storms. If the unit or display malfunctions, try resetting the microprocessor as shown. RESET SWITCH -Rear PANEL- Sleep Timer Operation SLEEP Timer Function This function allows you to preprogram the receiver to switch the power off automatically. You can enjoy the audio/video system for a specified amount of time without having to worry about turning the unit off later. Each press of the SLEEP button changes the time indication by 10 minutes. SLEEP 90 SLEEP 80 ··· SLEEP 10 Press the RESET switch lightly once or twice with a pencil or a ballpoint pen. Note : When the RESET switch is pressed, all the memory will be cancelled. IMPORTANT NOTE : The following applies through out the "AUDIO and VIDEO OPERATIONS" sections unless otherwise noted. To simplify explanations, instructions refer to names of buttons and controls on the front panel, making no mention of the use of remote control unit. To listen to a source other than tape deck, press the TAPE MONITOR button to the OFF position (the TAPE monitor indicator will not light in the display). (No timer setting) To determine how much time remains after the sleep timer has been set, press the sleep button again, the remaining time will be displayed. To turn the sleep timer off after it has been set, press the sleep button repeatedly until the timer counts down and the tuner display lights up with radio frequency. 13 Basic Operations Audio Adjustments 1. Set the MASTER VOLUME control to "0". This is to protect the speakers from a sudden high-level signal. 2. Set the LOUDNESS button to the OFF position. 3. Adjust the tone as required with the BASS and TREBLE tone controls. Adjust the balance between the left and right channels with the BALANCE control. 4. Press the POWER button to ON. 5. Select the desired source with the source selector. 6. Select the speaker system to be used with the SPEAKERS select buttons. With the unit, speakers "MAIN" and "SURROUND" can be selected simultaneously. 7. Start playing the source component. 8. Gradually turn up the volume to the required level with the MASTER VOLUME control. POWER STANDBY / ON Button Press this button to turn the power on. Press it again to turn the system off (power standby mode). The indicator lights up in power standby mode and goes out when this unit is turned on. SPEAKERS Select Buttons These buttons are used to select speaker system MAIN or SURROUND. LINE STRAIGHT Button When this button is pressed, the signal selected by the source selector buttons is supplied directly to the amplifier circuit, allowing you to listen to the source with better sound quality. When the LINE STRAIGHT mode is selected, the BASS, TREBLE controls will be defeated. This feature allows the addition of a frequency equalizer. BASS/TREBLE Tone Controls These two tone controls-BASS and TREBLE-can be used to obtain a "flat" frequency response or a tone which suits your individual listening preference. The Bass control adjusts low frequencies and the TREBLE control adjusts the high frequencies. BALANCE Control This control is used to adjust the balance between the left and right channels. Normally set to the center position. LOUDNESS Button This button compensates for the non-linear response of the human ear at low volumes. Set this switch to the OFF position when listening at levels of 50% or higher. MUTING Button (on the Remote Control Unit) Press this to mute (-20dB) the sound from the speakers and headphones when answering the telephone, etc. To restore the original volume, press the MUTING button again. While muting is engaged, the MASTER VOLUME level indicator will flicker. IMPORTANT : One of the MAIN/SURROUND speaker selectors must be turned on or no sound will be heard. 14 Radio Reception Auto Tuning Manual Tuning Manual Tuning is generally used to tune to stations broadcasting a signal that is too weak to be received by Auto Tuning. 1. Press the TUNER input selector. 2. Select AM or FM by pressing the BAND selector button. 3. Press the MODE button to select normal TUNING Scan mode. (The PRESET CH. indicator disappears from the display). 4. When the UP or DOWN TUNING button is pressed momentarily (1/2 second or less), the frequeny changes by a fixed step (see STEPS below). 1. Press the TUNER input selector. 2. Select AM or FM by pressing the BAND selector button. 3. Press the MODE button to select the normal TUNING mode. This button is used to select normal Tuning or Preset Channel Scan modes. For normal tuning, the PRESET CH indicator light should be off. 4. Press and hold the UP or DOWN TUNING button (between 1/2 to 2 seconds). The next station broadcasting at a frequency higher or lower than that of the current station is automatically detected and tuned in. · By pressing and holding the TUNING button for longer than 2 seconds, it will continue to scan (three times faster than normal speed). STEPS FM : 100-kHz steps AM : 10-kHz steps FM MODE Button Pressing this button alternates between Stereo mode and Mono mode. ­ Stereo FM stereo broadcasts are received in stereo and the STEREO indicator lights in the display. Monophonic broadcasts are received in mono. If FM broadcasts with weak signal strength are received, the FM muting (-20dB) function works automatically to cut the signals, eliminating loud noise. ­ Mono To compensate for weak FM stereo reception, select this mode. Reception will now be received in monaural, reducing unwanted noise. TUNED Indicator "TUNED" appears in the display when a broadcast is correctly tuned in. 15 Direct Tuning With Remote Control You can tune a station directly by inputting the actual frequency using the remote control. 1. Press the TUNER button. 2. Select AM or FM by pressing the BAND selector button. 3. Press the DIRECT TUNING button on the remote control unit, "ENTER FREQUENCY" appears on the display for a few seconds. "FM ---.---MHz" or "AM----KHz" appears on the display. 4. Input the frequency of the broadcast you want to hear with the numeric keys. If you press the DIRECT TUNING button again or without pressing any button for 30 seconds, Direct tuning is released. FM : 100-kHz steps AM : 10-kHz steps Ex.: FM 87.7 MHz 8 7 7 Ex.: AM 1420 kHz 1 4 2 Note : When inputting the frequency, the last digit need not be entered as it is always "0". 16 Preset Tuning This feature is used to store up to 30 FM, AM stations in memory. Manual Memory Presetting Automatic Memory Presetting 1. Press the TUNER input selector. 2. Select AM or FM by pressing the BAND selector button. 1. Press the TUNER input selector. 2. Select AM or FM by pressing the BAND selector button. 3. Press the MEMORY button for more than 1.5 seconds. 1 The start frequency will show in the display. · 87.5 MHz in FM, 530 kHz in AM. 2 The frequency and display will automatically scan. · 100 kHz steps for FM, 10 kHz steps for AM. 3 The frequency shown in the display will rapidly change. As each station is located a preset number will appear in the display indicating which preset MEMORY button has been assigned to the station located. The scanning process will continue to operate until 30 stations have been found and entered into the preset memory. When there are no more stations to be found on the waveband chosen, the memory indicator will extinguish and let you hear the last station to be memorized. · To listen to a desired memorized station select the band and press the numeric keys button 1, 2, 3 etc. 4. The last memorized channel of each band will be displayed when Auto Memory is completed. You can check the programmed frequencies with PRESET UP and DOWN button. 3. Press the MODE button to change to TUNING mode. (The PRESET CH. indicator disappears from the display). 4. Select the frequency you want to preset by pressing UP or DOWN tuning button. 5. Press the MEMORY button briefly, MEMORY display will blink at an interval of 1 second. 6. While the MEMORY indicator is lit, press the numeric key(s) to input the channel number for the station to be stored (or press the PRESET button then press the MEMORY button again). Recalling Frequencies Press the numeric key(s) corresponding to the channel number to tune directly to a broadcast. Using the Memory Scan function on the Remote Control When the MEMORY SCAN button is pressed, the preset stations in which frequencies have been stored are scanned at 5-second intervals. When you hear a broadcast you want to listen to, turn the Memory Scan function off by pressing the MEMORY SCAN button again. 17 Listening to Records and Compact Discs Recording a Source Recording program source You can record a program source such as a record or Compact Disc onto a cassette deck connected to the TAPE REC jacks. 1.Press the PHONO or CD selector button. 2.Play the turntable or CD player. Refer to the owner's manual included with the player. IMPORTANT : An optional phono turntable can be connected to the STR-84. However the turntable must be equipped with a magnetic type cartridge. 1. Make sure the TAPE MONITOR button is set to OFF, then press the source selector button corresponding to the source to be recorded. 2. Play the source. Playing Tapes 3. Operate the tape deck for recording. Tape Monitoring If the tape deck has separate record and playback heads, during recording, the recorded sound can be heard from the speakers with the TAPE MONITOR button set to ON. The TAPE M indicator will light when activated. 1. Set the TAPE MONITOR button to ON; the TAPE monitor indicator will appear in the display. 2. Operate tape deck for playback. Reter to the owner's manual included with the tape deck. 18 VIDEO OPERATIONS Playing Video Sources Recording with a Video Deck Tape Dubbing (from VIDEO 2 to VIDEO 1) 1. Press the VIDEO 2 button with the TAPE MONITOR set to OFF. 2. Operate VIDEO 2 for playback. 3. Operate VIDEO 1 for recording. In this way, the video/audio signals from VIDEO 2 can be dubbed onto VIDEO 1. This feature will only operate if both video sources are properly connected to the STR-84. 1. Press the VIDEO 1, VIDEO 2, or DVD/VIDEO 3 button. 2. Play the component corresponding to the button pressed. 3. The picture from the video souce can be seen on the TV and the sound from the video source will be heard from the speakers, provided both are properly connected to the STR-84 as shown on page 5. Video Editing Function This feature lets you replace the sound from a VCR with sound from an AUDIO source such as CD during video signal dubbing. 1. Press the DVD/VIDEO 3 (or VIDEO 2) button and operate DVD/VIDEO 3 (or VIDEO 2) for playback. 2. Select the audio source with the source selector buttons, and then operate the selected audio component for playback. 3. Now you can watch the picture from the video component on the TV, and listen to the sound from the audio component through the speakers. Note : Be sure to observe the order of steps 1 and 2. 4. Operate VIDEO 1 for recording. In this way, the Video editing operation will be completed. 19 TROUBLESHOOTING To determine any problem with your receiver, always check the most obvious possible causes first. If any problem still remains after your have checked the items below, consult your nearest TECHWOOD dealer. Problem Amplifier When listening to the music in stereo, left/right speakers sounds reversed. Low hum or buzzer sound. Speakers are connected wrong. Power line of a fluorescent light is installed near this product. One of the input cords is disconnected. The BALANCE control is set to one side. Sound cuts off during listening to the music or no sound even though power is ON. No sound. Speaker impedance is less than prescribed for this unit. After checking, if needed, reconnect. Place this product as far away as possible from electric devices with interference. Connect the input cords securely. Adjust the BALANCE control. After turning off the power and then turning it on again, reduce the volume or change to the correct 8 ohm speakers. Press the MAIN or SURROUND speaker selector as applicable. Check all speakers for correct polarity. Press the line straight button to turn off. Probable Cause Remedy Sound is only heard from one channel. MAIN/SURROUND Speaker selectors are turned off. Speaker polarity (+/­) is reversed. Line straight button is turned on. Low bass response. Tuner An unusual hissing noise is heard when listening to the broadcast in stereo, but not heard when listening monaurally. Noise is excessive in both stereo and monaural broadcasts. A slight noise may be heard because the method use for modulation of FM stereo broadcasts is different than that used for monaural broadcasts. Poor location and/or direction of the antenna. Transmitting station is too far away. Sound is distorted and/or the volume level becomes low. Excessive distortion in the sound of stereo broadcasts. Remote Control Unit Remote control not working. The batteries are exhausted. The remote control unit is too far from the receiver or out of the effective range. Replace with new batteries. Operate the remote control unit within the effective range. Broadcast signals are being disturbed. Speaker system connections are not correct. · Try reducing the treble sound by turning the treble controls. · Try changing the location, height and/or direction of the antenna. · Set the FM mode to monaural by pressing the STEREO/MONO button. (Note that the broadcast will then be heard as monaural sound). · If an indoor antenna is being used, change to an outdoor antenna. · Try using an antenna with more elements. 20