Instruction/ maintenance manual of the product MHC-GRX70J Sony
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1 Mini Hi-Fi Component System ©1999 by Sony Corporation Operating Instructions 3-865-605- 14 (1) MHC-GRX9900 / GRX70 / GRX70J MHC-GRX50 / R770 MHC-RXD9 / RXD80 MHC-RXD7 Owner’s Record The model and serial numbers are located on the rear panel. Record the serial number in the space provided below.
2 WARNING To prevent fire or shock hazard, do not expose the unit to rain or moisture. To avoid electrical shock, do not open the cabinet. Refer servicing to qualified personnel only. Do not install the appliance in a confined space, such as a bookcase or built-in cabinet.
3 T able of Contents Getting Started Step 1: Hooking up the system ............ 5 Step 2: Setting the time ......................... 7 Step 3: Presetting radio stations .......... 8 Saving the power in standby mode ... 10 Basic Operations Playing a CD .
4 Using this manual The instructions in this manual are for MHC-GRX9900/GRX70/GRX70J/GRX50/R770/RXD9/ RXD80/RXD7. The MHC-RXD80 is the model used for illustration purposes.
5 2 4 3 1 Getting Started Step 1: Hooking up the system Do the following procedure 1 to 4 to hook up your system using the supplied cords and accessories. Notes • Keep the speaker cords away from the antennas to prevent noise. • The type of speakers supplied vary according to the model you purchased (see “Specifications” on page 52).
6 Step 1: Hooking up the system (continued) FM75 AM COAXIAL Extend the FM lead antenna horizontally. 2 Connect the FM/AM antennas. Set up the AM loop antenna, then connect it. Jack type A Jack type B AM loop antenna Extend the FM lead antenna horizontally.
7 DISPLAY Step 2: Setting the time You must set the time before using the timer functions. The clock is on a 24-hour system for the European model, and a 12-hour system for other models.
8 Step 2: Setting the time (coninued) Step 3: Presetting r adio stations You can preset the following number of stations: – 2 band model: 20 for FM, 10 for AM. – 3 band model: 20 for FM, 10 for MW, and 10 for SW, or 20 for FM, 10 for AM and 5 for UKV, depending on the model you purchased.
9 n n 1 Press TUNER/BAND repeatedly until the band you want appears in the display. The bands you can receive vary depending on the model you purchased.
10 DISPLAY POWER SAVE /DEMO Saving the power in standby mode (For MHC-RXD9/RXD80/RXD7/R770) You can lower the power consumption to a minimum (Power Saving Mode) and save energy in the standby mode. / Press POWER SAVE/DEMO when the power is off. The system switches to the Power Saving Mode and the clock display disappears.
Basic Operations 11 VOLUME 0 ) = + CD (P p DISC SKIP/ EX-CHANGE PLAY MODE Playing a CD — Normal play 1 Press § and place up to two CDs on the disc tray. If a disc is not placed properly it will not be recognized. To insert a third disc, press DISC SKIP/ EX-CHANGE to rotate the disc tray.
12 To Do this Stop play Press p . Pause Press CD (P ( P on the remote). Press again to resume play. Select a track During play or pause, turn the jog dial clockwise (to go forward) or counterclockwise (to go back) and release it when you reach the desired track.
Basic Operations 13 CD (P p DISC SKIP/ EX-CHANGE DOLBY NR The CD SYNC button lets you record from a CD to a tape easily. You can use TYPE I (normal) or TYPE II (CrO 2 ) tapes. The recording level is adjusted automatically. Recording a CD — CD Synchro Recording With the side you want to record facing forward 2 41 53 2 Press § and place a CD.
14 + = VOLUME STEREO/MONO n Listening to the r adio –– Preset Tuning Preset radio stations in the tuner's memory first (see “Step 3: Presetting radio stations”). 21 Turn counter- clockwise (or press = on the remote) for lower preset numbers.
Basic Operations 15 + = p DOLBY NR Recording fr om the r adio You can record the radio program on a tape by calling up a preset station. You can use TYPE I (normal) or TYPE II (CrO 2 ) tapes. The recording level is automatically adjusted. 1 Press TUNER/BAND to select the band you want.
16 VOLUME 0 ) = + p DOLBY NR Playing a tape You can use any type of tape, TYPE I (normal), TYPE II (CrO 2 ) or TYPE IV (metal) , since the deck automatically detects the tape type. You can also use the jog dial’s AMS functions to quickly search for songs you want to hear.
Basic Operations 17 1 Press § and insert a recorded tape in deck A or B. 2 Press DIRECTION repeatedly to select A to play one side. Select ß * to play both sides. To play both decks in succession, select RELAY (relay play).** 3 Press TAPE A (or TAPE B) ( (DECK A (or DECK B) ( on the remote).
18 Recording fr om a tape — High-speed Dubbing 3 Press DIRECTION repeatedly to select A to record on one side. Select ß (or RELAY) to record on both sides. 4 Press REC PAUSE/START. Dubbing starts. To stop dubbing Press p . Tips • When you dub on both sides, start recording from the front side.
19 n n DISPLAY / Press DISPLAY. Each time you press the button during normal playback or in the stop mode, the display changes as follows: During normal playback Playing time on the current track µ Remaining time on the current track µ Remaining time on current CD (1 DISC mode) or “--.
20 PLAY MODE REPEAT Playing the CD tr acks r epeatedly –– Repeat Play This function lets you repeat a single CD or all CDs in normal play, Shuffle Play and Program Play. / Press REPEAT during playback until “REPEAT” appears in the display. Repeat Play starts.
21 DISC 1~3 Playing the CD tr acks in r andom order –– Shuffle Play You can play all the tracks on one CD or all CDs in random order. 1 Press FUNCTION repeatedly until “CD” appears in the display, then place a CD. 2 Press PLAY MODE repeatedly until “1 DISC SHUFFLE ” or “ALL DISCS SHUFFLE” appears in the display.
22 p Progr amming the CD tracks –– Program Play You can make a program of up to 32 tracks from all the CDs in the order you want them to be played. Disc number Track number 1 1 Press FUNCTION repeatedly until “CD” appears in the display, then place a CD.
23 Playing CDs without interruption –– Non-Stop Play You can play CDs without pausing between tracks. To Press Check the CHECK on the remote program repeatedly. After the last track, “CHECK END” appears. Clear a track from CLEAR on the remote in the end stop mode.
24 DOLBY NR p You can record from CD, tape, or radio as you like. For example, you can record just the songs you want or record from the middle of the tape. The recording level is adjusted automatically. 1 Insert a recordable tape into deck B. 2 Press FUNCTION repeatedly until the source you want to record (e.
25 p Recording a CD by specifying tr ack order — Program Edit 1 Place a CD and insert a recordable tape into deck B. 2 Press FUNCTION repeatedly until “CD” appears in the display. 3 Press PLAY MODE repeatedly until “PROGRAM” appears in the display.
26 9 Repeat steps 5 and 6 for tracks from the same disc or steps 4 to 6 for tracks from another disc to program the remaining tracks to be recorded on side B. 10 Press CD SYNC. Deck B stands by for recording and the CD player stands by for playback. The indicator on TAPE B ( (for front side) lights up.
27 LOOP FLASH Looping part of a CD — Loop With the loop function, you can repeat part of a CD during playback. This lets you create original recordings. / Press and hold LOOP during playback at the point you want to start the Loop function, and release to resume normal play.
28 SYNC BASS DBFB GROOVE FILE SELECT For the most suitable bass sound (SYNC BASS) Press SYNC BASS. The bass frequencies of the music you are listening to are measured and those areas with heavy bass tones are effectively reinforced. The indicator SYNC BASS H or SYNC BASS L lights up according to the areas with heavy bass tones.
29 SYNC EQ √ ◊ ON/OFF v / V SYNC EQ EFFECT √ ◊ ON/OFF v / V MHC-GRX50/RXD7/R770 Selecting the audio emphasis The audio emphasis menu lets you select the sound characteristic according to the sound you are listening to. Besides, you can also enjoy audio emphasis using the synchronized equalizer function.
30 Using the synchronized equalizer You can set the audio emphasis to change automatically according to the beat and tempo at the music. / Press SYNC EQ. The indicator blinks while measuring the beat and tempo of the source. Once measured, the indicator lights up in the display.
31 SURROUND Selecting surround effects You can enjoy surround effects. / Press SURROUND repeatedly to select the surround effect you desire. Every time you press the button, the display changes as fol.
32 Adjusting the gr aphic equalizer (MHC-GRX9900/GRX70/GRX70J/RXD9/ RXD80 only) You can adjust the sound by raising or lowering the levels of specific frequency ranges.
33 3 Use the jog dial to select the file number (P FILE 1~5) where you want to store the sound effect. 4 Press ENTER/NEXT. The adjusted sound effects are stored under the selected file number. The settings previously stored at this memory location are erased and replaced by the new settings.
34 Other Features Radio Data System (RDS) is a broadcasting service that allows radio stations to send additional information along with the regular program signal. This tuner offers convenient RDS features like station name display and location of stations by program type.
35 1 Press PTY while listening to the radio. 2 Turn jog dial to select the program type you want. See the “List of program types” section below. 3 Press ENTER/NEXT. The unit starts searching the preset RDS stations (“SEARCH” and the selected program type are shown alternately in the display).
36 VOLUME n Singing along: Kar aoke 3 2 1,5 You can sing along with any stereo CD or tape by turning down the singer’s voice. You need to connect an optional microphone. 1 Turn MIC LEVEL to 0 to turn down the microphone control level. 2 Connect an optional microphone to MIX MIC.
37 Mixing and recording sounds 1 Do the procedures for singing along (steps 1 to 5 on page 36, 37). Then, insert a tape in deck B. 2 Press REC PAUSE/START. 3 Press REC PAUSE/START again. Recording starts. 4 Press CD (P to start playing the CD player (or TAPE A ( for tape deck A).
38 SLEEP F alling asleep to music — Sleep Timer You can let the system turn off at the preset time, so you can sleep to the music. You can preset the time to be turned off by 10 minutes.
39 TIMER SELECT W aking up to music — Wake-up Timer You can wake up to music at a preset time every day. Make sure you have set the clock (see “Step 2: Setting the time”). 1 Prepare the music source you want to play. • CD: Insert a CD. To start from a specific track, make a program (see “Programming the CD tracks” on page 22).
40 TIMER SELECT 1 Tune in the preset radio station (see “Listening to the radio” on page 14). 2 Press CLOCK/TIMER SET. “SET (DAILY 1)” appears. 3 Turn jog dial to select “REC”, then press ENTER/NEXT. “ON” appears and the hour digits flash in the display.
41 4 Set the time to start recording. Turn the jog dial to set the hour, then press ENTER/NEXT. The minute indication starts flashing. Turn the jog dial to set the minute, then press ENTER/NEXT. The hour indication flashes again. 5 Set the time to stop recording following the above procedure.
42 Connecting an MD deck for analog recording Make sure to match the color of the plugs and the connectors. To listen to the sound of the connected MD deck, press FUNCTION repeatedly until “MD” appears.
43 To the audio output of the VCR Connecting a VCR Make sure to match the color of the plugs and the connectors. To listen to the sound of the connected VCR, press FUNCTION repeatedly until “VIDEO” appears. Refer to the instructions of each component.
44 FM75 COAXIAL AM AM antenna Connect a 6- to 15- meter (20- to 50- feet) insulated wire to the AM antenna terminal. Leave the supplied AM loop antenna connected. Jack type A Jack type B Insulated wire (not supplied) Insulated wire (not supplied) FM75 AM Connecting outdoor antennas Connect the outdoor antenna to improve the reception.
45 Notes on CDs • Before playing, clean the CD with a cleaning cloth. Wipe the CD from the center out. • Do not use solvents such as benzene, thinner, commercially available cleaners or anti-static spray intended for vinyl LPs.
46 T r oubleshooting If you run into any problem using this stereo system, use the following check list. First, check that the power cord is connected firmly and the speakers are connected correctly and firmly. Should any problem persist, consult your nearest Sony dealer.
47 There is severe hum or noise. • A TV or VCR is placed too close to the stereo system. Move the stereo system away from the TV or VCR. “0:00” (or “12:00”) flashes in the display. • A power interruption occurred. Set the clock and timer settings again.
48 Tape Deck The tape does not record. • No tape in the cassette holder. • The tab has been removed from the cassette (see “To save a tape permanently” on page 45). • The tape has reeled to the end. The tape does not record nor play or there is a decrease in sound level.
49 AUDIO POWER SPECIFICATIONS: (MHC-RXD9 U.S.A. models only) POWER OUTPUT AND TOTAL HARMONIC DISTORTION: with 8 ohm loads both channels driven, from 70-20,000 Hz; rates 140 watts per channel minimum RMS power, with no more than 0.9% total harmonic distortion from 250 milliwatts to rated output.
50 Specifications (continued) Tape player section Recording system 4-track 2-channel stereo Frequency response 40 – 13,000 Hz (±3 dB), (DOLBY NR OFF) using Sony TYPE I cassette 40 – 14,000 Hz (±3 dB), using Sony TYPE II cassette Wow and flutter ±0.
51 Speaker SS-GRX9900/GRX9900G for MHC-GRX9900 Speaker system 2-way, 5-unit, bass-reflex type Speaker units Woofer: 15 cm, cone type x2 Tweeter: 5 cm, cone type x3 Nominal impedance 6 ohms Dimensions (w/h/d) Approx.
52 Mass U.S.A. models: MHC-RXD9: Approx. 10.6 kg (23 lb 6 oz.) Canadian models: MHC-RXD7: Approx. 9.2 kg MHC-RXD80: Approx. 10.2 kg European models: MHC-R770/RXD7: Approx. 10.1 kg MHC-RXD9: Approx. 10.8 kg Other models: MHC-GRX50: Approx. 10.0 kg MHC-GRX70/GRX70J: Approx.
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56 Index K Karaoke 36 L, M Loop 27 N Normal Play 11 O One Touch Play 12, 15, 17 P, Q Personal file 33 Playing a CD 11 a preset station 14 a tape 16 tracks in random order (Shuffle Play) 21 tracks in t.
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If you already are a holder of Sony MHC-GRX70J, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Sony MHC-GRX70J.
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