Sony STR-GX49ES User's Manual
Contents
1. Notes on Connection e The power cord should be connected last of all after making sure that the POWER switch is turned off e The cable connectors should be fully inserted into the jacks A loose connection may cause hum and noise e Cord plugs and jacks are color coded The red plugs and jacks are to be connected to the right channel R and white ones to the left channel L Connection Diagram e numbers in the illustration correspond to those on the following pages FMantenna Outdoor FM antenna Speaker system supplied optional A speakers Right Left L I LS P 8 CD player Tape deck VCRdeck Second tape deck L il Ac OUTLET gt to a wall outlet De een Speaker system Adjust the direction Supplied loop antenna For areas with difficult AM reception In areas with troubled reception connect a 6 to 15 meter 20 to 50 foot insulated wire to the AM antenna terminal Extend this out of doors if possible keeping the greater portion horizontal There is no need to disconnect the supplied antenna Connecting the FM Antenna Receiver poco O00000 For normal use Supplied ribbon antenna For higher quality sound 75 ohm coaxial cable optional Connecting the Antenna Ground To prevent hum connect the ground wire to ANTENNA ground terminal When an outdoor antenna2. 16 phe ee Se EER A ENG A te a Ta ta pte ce fadecemees ve ree eee Recording on a VCR Recording Audio Programs To record an audio program source on a video tape proceed as follows POWER ON to VIDEO AUDIO OuT GD player 4 1 Turn on the receiver and the equipment to be used 2 Select the desired program source 3 insert a video tape into the VCR and adjust the recording level 4 Start the program source and set the VCR in the recording mode Chapter 3 Other Information Troubleshooting Before proceeding through the check list below examine the connections and the procedures outlined the manual Should any problem persist after you have checked the following items consult your nearest Sony dealer Problem Cause Remedy Z Sound is not heard The TAPE MONITOR jacks are not in Press the TAPE MONITOR button to 2 use and the TAPE MONITOR button set to OFF E is pressed to ON jesi The speaker or program source Connect the equipment correctly a equipment is not connected See pages 6 to 8 me correctly k The correct speakers are not Set the SPEAKERS selector correctly l selected with SPEAKERS selector per The correct FUNCTION selector is not Press the correct FUNCTION pressed selector The volume is set to minimum Increase the volume One channel does not transmit The BALANCE control is not set Adjust the B
3. 4 Press TUNING or TUNING For lower m For higher frequency frequency 5 Adjust the volume ATTENUATOR W en you do not know the frequency of an FM AM a WUT DEE ETE ACR RAE TY HA total of 30 FM AM stations can be memorized in any desired sequence 1 Tune in the desired station TUNING For lower frequency For higher frequency 2 Select the memory page A B and C SHIFT 3 Press MEMORY so that the MEMORY indicator lights up MEMORY A MEMORY ie a T 4 While the MEMORY indicator is on press the desired number 1 2 3 4 5 6 RLS ES ee TE ee N Receiving FM AM Broadcasts _ a Press TUNER 2 Press PRESET TUNING or PRESET TUNING Select the page For lower For higher preset number preset number lt 5 _ A1 AO B1 BO we Pell 3 Adjust the volume Select the number 1 2 ATTENUATOR Adjust the volume ATTENUATOR Replacing a preset station Preset another station on the number of the station to be replaced The previously preset station will be erased IMPORTANT The memorized station is maintained for approximately one month even if the power cord is disconnected from the AC power source If they are erased store the stations again 14 Listening to Program Source other than Broadcasts POWER gt ON o Soo p D Q
4. Receiver Vifellem AC a For getting the optimum sound you can adjust volume and sound quality using the functions below LOUDNESS BALANCE Koi TEE EEEREN E P TERE SOURCE DIRECT Volume Adjustment To adjust volume Turn ATTENUATOR ATTENUATOR t To reduce the sound to a low level temporarily 20 dB attenuation Press MUTING Press again to restore the same listening level as before 20 dB Munna Sound Quality Adjustment To adjust the tone quality Adjust BASS or TREBLE for the optimum sound BASS TONE TREBLE 40 10 10 10 To reinforce the bass frequency response Press LOUDNESS The lower the speaker output level is the more bass frequency sound is emphasized LOUDNESS Balance Adjustment To change the relative strength of the right an
5. cord itself e One blade of the plug is wider than the other for the purpose of safety and will fit into the power outlet only one way If you are unable to insert the plug fully into the outlet contact your dealer On operation e Before making program source connections be sure to turn the power switch off and unplug the unit e When the unit is not used turn the power off to conserve energy and to extend the useful life of your unit On cleaning the cabinet Clean the cabinet panel and controls with a soft cloth lightly moistened with mild detergent solution Do not use any type of abrasive pad scouring powder or solvent such as alcohol or benzine For the customers in the U S A For detailed safety precautions see the IMPORTANT SAFEGUARDS leaflet If you have any question or problem concerning your unit please consult your nearest Sony dealer Chapter 1 Getting Started Notes on Installation oe To prevent internal heat buildup in the unit t place the unit in a location with adequate air circulation Do not install the unit near heat sources such as radiators or air ducts in a place subject to direct sunlight excessive dust mechanical vibration or shock Do not place anything on top of the cabinet The top ventilation holes must be unobstructed for the proper o
6. 0 20 000 Hz rated 60 watts per channel minimum RMS power with no more than 0 08 total harmonic distortion from 250 milliwatts to rated output With 4 ohm load both channels driven from 20 20 000 Hz rated 60 watts per channel minimum RMS power with no more than 0 08 total harmonic distortion from 250 milliwatts to rated output Other Specifications Amplifier section Dynamic power output 75 watts 75 watts 8 ohms at 1 kHz IHF 100 watts 100 watts 4 ohms at 1 kHz IHF 105 watts 105 watts 2 ohms at 1 kHz IHF Harmonic distortion Less than 0 08 at rated output Frequency response PHONO RIAA equalization curve 0 5 dB CD TAPE VIDEO Js Hz 50 kHz dB TAPE MONITOR Residual noise Less than 70 uV 8 ohms network A 50 8 ohms 1 kHz Sensitivity tmpedance S N weighting network input level 42 5 mV 50 kilohms 87 dB 79 dB A 2 5 mV CD VIDEO 150 mv 50 kilohms 105 dB 86 dB A 150 mV 78 IHF Damping factor Inputs Outputs Tone controls Muting VIDEO AUDIO OUT REC OUT Voltage 150 mV Impedance 10 kiloohms SPEAKER A B Accepts speakers of 4 16 ohms HEADPHONES Accepts low and high impedance headphones BASS 8 cB at 100 Hz TREBLE 8 cB at 10 kHz 20 dB FM AM tuner section _ AM tuner 300 ohms balanced i 75 ohms unbalanced Sensitivity at 50 dB quieting Usable sensitivity Signal to nois
7. 4 Remote control sensor TAPE MONITOR indicator Display window 6 TAPE MONITOR switch Page 15 Function selectors MUTING button and indicator Page 11 9 ATTENUATOR and indicator Page 11 SPEAKERS selector Page 8 HEADPHONES jack FM MODE button Page 12 FM TUNE MODE gach Pages 12 and 13 EM AM BAND selectors Pages 12 and 18 MEMORY button Page 13 TUNING buttons Pages 12 and 13 PRESET TUNING buttons Page 14 Numeric buttons Pages 13 Seals TONE controls Page 1 SOURCE DIRECT button Page 11 i 7 LOUDNESS switch Page 11 BALANCE control Page 11 Remote Commander RM S103 10 POWER button DBFB button This button does not operate with this receiver TUNER PRESET and SHIFT buttons Pages 13 and 14 VOLUME buttons SURROUND button This button does not operate with this receiver 6 MUTING button Page 11 CD player operation buttons D disc SKIP When your CD player is equipped with a multi disc changer use this button to select loaded disc CD amp Selects the CD function and starts CD playback DECK B operation buttons also for single tape deck DECK B lt gt Select tape function and start tape playback on deck B 9 DECK A operation buttons DECK A lt gt Select tape function and start tape playback on deck A Function select buttons These buttons control Sony audio components Chapter 2 Using Your
8. ALANCE control audio or the volume from the left appropriately lt and right speakers is unbalanced The speaker or program source is not Connect the equipment correctly ie connected correctly See pages 6 to 8 a There is an abrupt loss of sound A short circuit problem activates the Turn off the receiver eliminate the i from one or both of the speakers protective circuit short circuit problem and turn on the lt and the PROTECTOR indicator power again If there is no flickers in the display window short circuit consult your nearest Sony dealer A The SPEAKER IMPEDANCE Set the SPEAKER IMPEDANCE r SELECTOR on the rear is not set SELECTOR correctly E correctly T Sound transmitted from the The speakers are not connected Connect the speaker with the correct be speakers is reversed correctly polarities See page 8 a Severe hum or noise is heard The connecting cords are not of Use shielded type cords shielded type i A transformer motor TV or Place the connecting cords in a fluorescent light affects the location away from a transformer or amp connecting cord motor and at least 3 meters 10 feet a from a TV set or a fluorescent light TE ger The audio components are too close if both are used at the same time K to a TV set separate the TV from the audio E components E The receiver is not grounded Connect the ground wire to the Bet antenna ground terminal ee The connections are loose Make se
9. CAUTION TO PREVENT ELECTRIC SHOCK DO NOT USE THIS POLARIZED AC PLUG WITH AN EXTENSION CORD RECEPTACLE OR OTHER OUTLET UNLESS THE BLADES CAN BE FULLY INSERTED TO PREVENT BLADE EXPOSURE This apparatus complies with the Class B limits for radio noise emissions set out in Radio Interference Regulations avic Q elalic Introduction Feat San pi a aA aa a EEEE aaas kreasi 4 PrOGAULIONS asnarin iiare aiseeniin siai kaind 4 Chapter 1 Getting Started ENa EEEE AA EE ETE 5 Notes on installing esessseesesessorsessssrssessrressereed PEPEE 5 Installing batteries eeesssrisissrsersirseseerrespsrrsesrreees 5 Changing the AM tuning interval cc cece cece 5 Connecting the System ce escsssecensceseeeesseeseeeees EEE 6 Notes on CONNECTION essessssnrerssrserserrsrsrsrerere Persia 6 Connection diagram sccecsccescesscstscseressesccsscsbeseesseseees 6 Connecting the AM antenna ccecccesssesseetsebecessesseens 7 Connecting the FM antenna cccseesscccesseetesfesseseeseees 7 Connecting the antenna ground ccceseseeebeessseseees 7 Connecting speaker Systems s EANO ES 8 Using AC outlets A EEEE EN A EAE 8 Parts Identification E AA EE 9 Front panel aseeseen AAE AET eveveesce dy 9 Remote commander RM S108 seessrsesessesierehesssssese 10 Chapter 2 Using Your Receiver Audio adjustment E R 11 Volume ACJUSHMENL ssseeeccssseeeessseeeesssineessseecerssel Serie 11 Balance ad
10. SONY pee FIM Stereo FM AM Receiver Operating Instructions STR GX49ES To prevent fire or shock hazard do not expose the unit to rain or moisture 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 This symbol 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 This symbol in intended to alert the user to the presence of important operating and maintenance servicing instructions in the literature accompanying the appliance Note to CATV system installer This reminder is provided to call the CATV system installer s attention to Article 820 40 of the NEC that provides guidelines for proper grounding and in particular specifies that the cable ground shall be connected to the grounding system of the building as close to the point of cable entry as practical Owner s Record The model number is located on the rear exterior and serial number is on the rear Record the serial number in the space provided below Refer to these numbers whenever you call upon your Sony dealer regarding this product Model No STR GX49ES Serial No INFORMATION This equipment generates and us
11. Select SPEAKERS VIDEO TAPE or TAPE MONITOR 2 Start the program 3 Adjust the volume ATTENUATOR Note on TAPE MONITOR button The TAPE MONITOR button has priority over other function selectors Be sure to release the TAPE MONITOR button except when listening to taped program Otherwise the program source selected with the function selector cannot be heard Recording on an Audio Tape POWER ON VCR 1 Turn on the receiver and the equipment to be used 1 Turn on the receiver and the equipment to be used 2 Select the desired program source 3 For an FM AM broadcast tune in the desired station 2 Insert the recorded tape into deck connected to the TAPE jacks 3 Insert a blank tape into the tape deck connected to the TAPE MONITOR jacks and adjust the recording level 4 Set the tape deck in the recording mode 4 Press TAPE 5 Start the desired program source 5 Start the playback of the tape deck for playback To monitor recorded sound while recording if a tape recorder with three head system is connected to TAPE MONITOR jacks recorded sound can be monitored 6 Set the tape deck for recording in the recording Select recording tape recorder using the TAPE MONITOR mode button The recorded sound is immediately fed back to the amplifier and output to the speakers Note on recording The setting of the volume BASS TREBLE and BALANCE controls do not have any effect on recording
12. cure connections tein vas The plugs and jacks are dirty Wipe the plugs and jacks with a cloth 00 lit i ow Uir i MO ____ eM Litt li bit td han Problem STEREO indicator flickers or does not appear when receiving stereo programs The desired station cannot be found during Automatic Tuning Preset stations cannot be tuned In The remote commander does not operate Cause A very weak FM station or a noisy FM program is received Automatic Tuning The stations have not been memorized i The AM tuning interval is set incorrectly The batteries are exhausted There is any object between the unit and the commander head f l Remedy Adjust the antenna or connect an external FM antenna Press the FM MODE button to disengage the stereo mode Adjust the antenna The signal strength is too weak for Tune in the station with the Manual Tuning system See page 13 Memorize the stations See page 13 Change the tuning interval according to the AM frequency allocation system of your country See page 5 AM station cannot be tuned in Replace the baiteries with new ones Remove the object 19 Specifications E E AA NEE Audio Power Specifications POWER OUTPUT AND TOTAL HARMONIC DISTORTION With 8 ohm load both channels driven from 2
13. d left speaker output Adjust BALANCE to correct stereo imaging when the speaker position is not symmetrical BALANCE To bypass the tone control circuit Press SOURCE DIRECT BASS and TREBLE tone controls BALANCE control and LOUDNESS are bypassed SOURCE DIRECT 114 Tuning in an FM Station Automatically Automatic Tuning Select SPEAKERS 32 4 1 Press TUNER Select FM FM BAND AM Press FM TUNE MODE FM TUNE MODE AUTO indicator appears Press TUNING or TUNING For lower For higher frequency frequency Adjust the volume ATTENUATOR When sweeping does not stop at the desired station The signal strength is weak To stop sweeping press FM TUNE MODE again AUTO indicator disappears and automatic tuning stops Then tune in the station as described in Manual Tuning When an FM stereo program is noisy or hard to receive Press FM MODE The MONO indicator appears the sound is heard in monaural but the reception will be improved To return to the stereo mode press the button again or tune in another station uning in an FM AM Station Manually Manual Tuning ily station proceed as follows POWER gt ON Select 32 4 SPEAKERS 1 Press TUNER TUNER 2 Select FM or AM FM BAND AM eee comes 3 Press FM TUNE MODE FM TUNE MODE AUTO indicator disappears
14. e ratio 82 dB mono 76 dB stereo Harmonic distortion stereo at 1 kHz Selectivity 60 dB at 400 kHz 45 dB at 1 kHz Separation 1 30 Hz 15 kHz 1o aa Q s IM distortion 0 1 mono 0 2 stereo Capture ratio 1 2 dB AM suppression 54 dB ratio Image responsel 80 dB ratio i aS i IF response ratio 100 dB Spurious response ratio RF Intermodulation ice Q wW 65 dB 800 kHz Auto tuning 30 dBf threshold 54 dB at 50 mV m 0 1 mono 0 2 0 3 at 50 mV m section 530 1 710 kHz with the AM tuning interval set at 10 kHz 531 1 710 kHz with the AM tuning interval set at 9 kHz External antenna terminal loop antenna dB m at 1 000 kHz External antenna 100uV at 1 000 kHz 400 Hz i 40 dB at 10 kHz 35 dB at 9 kHz i General System Power requirements Power consumption AC outlets Dimensions Weight Accessories supplied Tuner section PLL quartz locked digita synthesizer system Preamplifier section low noise NF type equalizer amp Power amplifier section pure complementary SEPP 120 V AC 60 Hz USA model 130 watts Canadian model 150 W Two switched USA model 100 W Canadian model 120 W 1A Approx 430 x 135 x 375 mm w h d 17x5 x 14 inches including projecting parts and cont
15. es radio frequency energy and if not installed and used properly that is in strict accordance with the manufacturer s instructions may cause interference to radio and television reception It has been type tested and found to comply with the limits for a Class B computing device in accordance with the specifications in Subpart J of Part 15 of FCC Rules which are designed to provide reasonable protection against such interference in a residential installation However there is no guarantee that interference will not occur in a particular installation If this equipment does cause interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient the receiving antenna Relocate the equipment with respect to the receiver Move the equipment away from the receiver Plug the equipment into a different outlet so that equipment and receiver are on different branch circuits If necessary the user should consult the dealer or an experienced radio television technician for additional suggestions The user may find the following booklet prepared by the Federal Communications Commission helpful How to identify and Resolve Radio TV Interference Problems This booklet is available from the U S Government Printing Office Washington DC 20402 Stock No 004 000 00345 4 For the customers in Canada
16. is installed be sure to connect the ground wire for lightning protection Connecting Speaker Systems Speaker L Set the SPEAKER IMPEDANCE SELECTOR according to the impedance of the used speakers using a screwdriver e O Oe to the second speaker system Receiver CAUTION When you operate two speaker systems simultaneously be sure to use the speakers with the impedance of more than 8 ohms and set the SPEAKER IMPEDANCE SELECTOR to 4 62 Note Speaker impedance and power capability Once the speakers have been connected move This receiver is designed to work best with speakers having SPEAKERS selector on the front panel to A BorA 8 nominal impedance from 4 to 16 ohms at rated 50 watts RMS per setting channel with an 8 ohms load from 20 20 000 Hz When using the headphones set the SPEAKERS selector to OFF Using AC outlets Connect the AC power cord of each piece of equipment to Receiver the AC outlet on the receiver so that you can turn the equipment on and off using the receiver s POWER switch Caution Be careful that the total power consumption of each piece of equipment connected to the outlets on the receiver does not exceed 100 waits for USA 120 watts 1A max for Canada Do not connect electrical home appliances such as an electric iron fan TV or other high wattage equipment to these outlets fags m rae TANGA aa POWER switch SHIFT button Pages 13 and 1
17. justment esssssssessssersesessersssissesrenrdenrsersess 11 Sound quality adjustment seseeeeeseersrerererresherressn 11 Receiving FM AM broadcasts ccccscccscesseetsesdesseseenes 12 Tuning in an FM station automatically Automatic Tuning occ ecccseseesenessstteedecseeeens 12 Tuning in an FM AM station manually Manual Tuning eoeeeseeeeserssresnsereessnreesesesrediesesessse 13 Memorizing a Station wo ceeescesceseresetsessretadeeseerees 13 Tuning in a preset Station vo eeeccsesseceseseeeteedeeesseeees 14 Listening to program source other than broadcasts 15 Recording on an audio tape esseere ERRER 16 PRECONGING eerie eisrean a raaa h anropa 16 Tape dubbing EEEE A E EA O T 16 Recording ON a VCR occ eseceseneeeecsseesseseteesseesebaeseeenee 17 Recording audio programs ccccseesesseseseseessbeseenes 17 Chapter 3 Other Information TKOUDIOSHOOLING cccscceecssssessescsessessesesscseesenecsesases Vesscseaes 18 SPOCHICALUONS arne a e eii 20 Quick reference sesessseseessersresrsessorresseseseriesresss Back cover The STR GX49ES is a receiver which controls audio video sources The unit allows you to switch easily among a variety of audio video programs Amplifier e Optical Legato Linear A System allows the receiver to operate automatically as a class A amplifier when the level is low and as a class B amplifier when
18. peration of the unit and to prolong the life of its components i Installing Batteries Before operating remote commander install the batteries as shown 1 Open the cover 2 insert two size AA R6 batteries with correct polarity Do not throw away the carton and packing material It will be an ideal container when transporting the system for repair work etc To avoid damage caused by battery leakage and corrosion When the commander will not be used for a long time remove the baiteries Normal operation can be expected about a half year using Sony SUM 3 NS and a year using Sony AM 3 NW alkaline batteries i When the batteries are run down the remote commander will not operate the unit In this case replace batteries with new ones Changing the AM tuning interval f The AM tuning interval is preset to 10 kHz To use the receiver where the frequency allocation system is based on a 9 kHz interval make the following adjustmenis 1 Turn on the power and tune in any AM station 2 Turn off the power 3 Press POWER while pressing the TUNING buiton To reset the AM tuning interval repeat the above steps Caution When the interval is changed all preset stations which you have memorized will be erased After changing the interval be sure to preset the stations again
19. rols Approx 8 1 kg 17 Ib 14 oz net Approx 9 5 kg 21 Ib in shipping carton FM wire antenna 1 AM loop antenna 1 Remote Commander 1 RM S103 Sony batteries SUM 3 NS for the remote commander 2 Design and specifications are subject to change without notice FM BAND AM TUNING Tuning in an FM AM station manually Tuning in an FM station automatically Tuning in the desired station 1 2 8 4 5 6 MEMORY a i F m 1043D A Memorizing a station Tuning in a preset station PRESET TUNING Sony Corporation Printed in Japan
20. the level is high without disturbing the sound signal This minimizes total harmonic distortion at every sound stage e These receivers have a spontaneous twin drive power circuit Condensers having large capacity are used independenily for the voltage amplification drive stage of class A and power output stage of class B Thus a stable output and high quality sound are obtained resulting in exclusion of power interferences The class A stage realizes a stable operation free from interference of the power stage even when an instantaneous or strong output is received e A source direct switch is employed to reproduce high fidelity sound Any source can be reproduced without passing through the circuits of tone control loudness switch and balance control Tuner e Precise tuning is obtained thanks to the quartz locked digital synthesizer system e A total of 30 FM AM stations can be preset in 3 memory pages A B and C that allow you to classify stations Remote commander e The remote commander allows you to control most of Sony s audio equipment from a distance On safety e Operate the unit only on 120 V AC 60 Hz e Should any solid object or liquid fall into the cabinet unplug the unit and have it checked by qualified personne before operating it any further e Unplug the unit from the wall outlet if it is not to be used for an extended period of time To disconnect the cord pull it out by grasping the plug Never pull the
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