CD Stereo System Operating Instructions Model No. SC-AK48 Note: The “EB” indication shown on the packing case indicates United Kingdom. Before connecting, operating or adjusting this product, please read these instructions completely. Please keep this manual for future reference.
Dear customer Supplied accessories Thank you for purchasing this product. For optimum performance and safety, please read these instructions carefully. Please check and identify the supplied accessories. Before using These operating instructions are applicable to the following system. AC mains lead (RJA0053-2X) ...................... 1 pc. System SC-AK48 Main unit SA-AK48 Speakers SB-AK48 Remote control transmitter (RAK-SC957WK) ........................................... 1 pc.
Table of contents Safety precautions Before using Placement Radio operations Presetting radio broadcasts ....................................................... 11 Listening to radio broadcasts .................................................... 12 Compact disc operations Concerning CDs .......................................................................... 13 Listening to compact discs ........................................................ 14 Direct access play ..................................
Caution for AC Mains Lead (For United Kingdom) (“EB” area code model only) WARNING: DO NOT CONNECT EITHER WIRE TO THE EARTH TERMINAL WHICH IS MARKED WITH THE LETTER E, BY THE EARTH SYMBOL i OR COLOURED GREEN OR GREEN/YELLOW. For your safety, please read the following text carefully. THIS PLUG IS NOT WATERPROOF—KEEP DRY. Before using This appliance is supplied with a moulded three pin mains plug for your safety and convenience. A 5-ampere fuse is fitted in this plug.
Concerning the remote control A Battery installation Use of batteries • • • • R6, AA, UM-3 • • • • Align the poles (+ and –) properly when inserting the batteries. Do not mix old and new batteries or different types of batteries. Do not recharge ordinary dry cell batteries. Do not heat or disassemble the batteries. Do not allow them to contact flame or water. Remove the batteries if the unit is not to be used for a long time. Do not keep together with metallic objects such as necklaces.
Connections Basic connections (for supplied accessories) • • 1 Before using 2 Plug the AC mains lead into a household mains socket only after all other connections have been made. To prepare the AM loop antenna wires and speaker cords, twist the vinyl cover tip and pull off. 3 Connect the FM indoor antenna. Tape the antenna to a wall or column, in a position where radio signals are received with the least amount of interference.
Connections A FM outdoor antenna (not included) Optional antenna connections You may need an outdoor antenna if you use this system in a mountainous region or inside a reinforced-concrete building, etc. 75 Ω coaxial cable (not included) Antenna plug adaptor (included) FM outdoor antenna A Disconnect the FM indoor antenna if an FM outdoor antenna is installed. Before using T FM AN ) ( Note An outdoor antenna should be installed by a qualified technician only.
Front panel controls A Main unit A No. 9 1 2 Before using Ref. page 1 CD manager button (CD MANAGER) ................................................... 17, 23 10 3 4 5 6 Name 2 AC supply indicator (AC IN) This indicator lights when the unit is connected to the AC mains supply. 11 12 3 Standby/on switch (f/I) .............................................. 9 13 14 Press to switch the unit from on to standby mode or vice versa.
Front panel controls A Remote control A 35 3 36 No. 37 ? Auto off button (AUTO OFF) .................................... 10 30 Name Ref. page @ Numeric buttons (≥10, 1 – 0) ............................... 12, 15 Before using 29 Buttons 3, 5, !, $, % and . have the same functions as the corresponding buttons on the main unit. [ Program button (PROGRAM) ................................... 16 \ Cancel button (CANCEL) ........................................... 16 ] EQ select button (EQ) .......
Auto-off function A A by remote control only When CD or tape is selected as the source To save power, the unit turns off if it is left unused for four minutes. Note This function does not work if the source is tuner or AUX. Before using Press [AUTO OFF]. “AUTO OFF” is shown on the display. To cancel Press [AUTO OFF] again to clear “AUTO OFF” from the display. B 1 DISPLAY DEMO For your reference The setting is maintained even if the unit is turned off.
Presetting radio broadcasts • Up to 12 stations can be set in each band with the automatic or manual memory presetting. If broadcast frequencies are preset in the memory, you can easily tune in any of these frequencies from the system or remote control unit. You can preset just those stations you like. (See “Presetting only your favourite stations” below.) 1 • 2 1 4 2 3 3 1 Press [TUNER, BAND] to select band. The unit will come on automatically.
Listening to radio broadcasts 1 4 1 Press [TUNER, BAND] to select band. 2 L, TUNE MODE] to select “PRESET” or Press [L “MANUAL”. 2 The unit will come on automatically. Every time you press the button: FM ↔ AM Every time you press the button: MANUAL ↔ PRESET PRESET: For preset stations MANUAL: For non-preset stations 3 3 Press [TUNE/TIME ADJ (3) or (4)] to select the desired broadcast. Radio operations “STEREO” lights when an FM stereo broadcast is being received.
Concerning CDs xxxxxxx xxxxxxx x xx xx x xxx xx x xx x x xx xx XXXX XXXX XXXXX XXXX XX XXXX XXXX XXXXX XXXX XXXX XXXXX XXXX XXXX Handling precautions B – D How to hold CDs • • • Do not touch the recorded surface. • • • C How to clean CDs If you are taking the CD from a cold to a warm environment, moisture may form on the CD. Wipe this off with a soft, dry, lint-free cloth before using the CD. Do not write on the label side with a ball-point pen or other writing instrument.
1 2 3 4 CD Listening to compact discs Always stop the changer before loading or changing CDs. You cannot change CDs while a disc is playing. 1 Press a [c] button. The unit will come on automatically and the tray opens. Set CD in the tray. To continue loading CDs in the other trays Press another [c] button to open the required tray. The current tray closes and the selected tray automatically opens. Press the same [c] to close the tray. Press [(CD 1) ~ (CD 5)] to play your desired disc.
Listening to compact discs Direct access play 3 1 2 4 by remote control only A 1 2 Press [CD]. 3 (within 10 seconds or so) 4 Press the numeric button to select the desired track number. Press [DISC]. Press [1] – [5] to select the disc you want. To select a two-digit track Press [≥10] and then the two numbers you want within 10 seconds or so. For example Track no. 20: [≥10] ➞ [2] ➞ [0] Track no.
Listening to compact discs 4 2 1 3 5 7 Compact disc operations 1 2 3 1 Press [CD]. 2 3 Press [PROGRAM]. 4 (within 10 seconds or so) 5 6 Press the numeric button to select the desired track. 7 Press [-/J/4]. Ensure CD is stopped. Press [DISC]. Press [1] – [5] to select the disc you want. Repeat steps 3 through 5 until you have programmed all the tracks you want. Play will start in the programmed sequence. To select a two-digit track Press [≥10] and then the two numbers you want.
Listening to compact discs 3 2 1 RANDOM To listen to special CDs and tracks (CD Manager function) This function makes it easier for you to select special CDs and tracks from amongst those loaded in the player. 4 You can use this function to make recordings as well. There are 3 CD/track selection modes.
Listening to tapes Types of tapes which can be played correctly: The unit automatically identifies the type of tape. NORMAL POSITION/TYPE I 1 4 2 5 METAL POSITION/TYPE IV You can use either deck 1 or deck 2 for tape playback. 2 1 Press [TAPE, DECK 1/2]. 2 Press [c DECK 1 OPEN] or [c DECK 2 OPEN] and insert the tape. 3 TUNE MODE 1 HIGH POSITION/TYPE II Insert the tape with the exposed tape facing down. Close the holder by hand.
Listening to tapes A To fast-forward or rewind the tape A Press [g/(] or [)/f] in the stop mode. Tape direction To rewind To fast-forward “ 3” [g/(] [)/f] “4” [)/f] [g/(] To find the beginning of a program (TPS: Tape Program Sensor) A TPS finds the beginning of a track and resumes play from there. Each press increases the number of tracks skipped, up to a maximum of 9. Press [g/(] or [)/f] during play.
Before recording (Deck 2 only) A Types of tapes which can be recorded correctly The unit automatically identifies the type of tape. NORMAL POSITION/TYPE I HIGH POSITION/TYPE II METAL POSITION/TYPE IV Recording part Leader tape (no recording can be made) aREC/STOP TUNE TIME ADJ ✕ Metal position tapes can be used, but the unit will not be able to record or erase them correctly.
Recording from radio broadcasts 1 Press [c DECK 2 OPEN] and insert the tape. 2 Press [REV MODE] to select the reverse mode. TUNE MODE TAPE DECK 1/2 Close the holder by hand. Tape direction is automatically set to “ 3”. Every time you press the button: TUNE TIME ADJ 4 1 1 2 DECK 2 OPEN Tape direction , : One side is recorded, then recording stops automatically. : Both sides (front side → reverse side) are recorded, then recording stops automatically. 3 Select a radio station.
Recording from compact discs 3 5 TAPE DECK 1/2 1 Press [c DECK 2 OPEN], and insert the tape. 2 Press [REV MODE] to select the reverse mode. Close the holder by hand. Tape direction is automatically set to “ 3”. Every time you press the button: 2 TUNE TIME ADJ 1 6 1 DECK 2 OPEN Tape direction , : One side is recorded, then recording stops automatically. : Both sides (front side → reverse side) are recorded, then recording stops automatically. 3 Press [CD]. 4 Insert CD in the tray.
Recording from compact discs A Front side Reverse side 1 9 2 8 3 7 4 6 5 5 The interrupted track is re-recorded in its entirety on the reverse side. 3 2 1 4 To record special CDs and tracks (CD Manager function) This function makes it easier for you to select special CDs and tracks from amongst those loaded in the player. • While recording, if a track is cut off in the middle at the end of the front side, it is re-recorded from the beginning, on the reverse side.
Using the built-in sound quality/ sound field settings A A Dial [SOUND CONTROL JOG] to select the sound quality or sound field. When it is dialed down, the settings are selected in the following sequence. SOUND CONTROL JOG 1 HEAVY (sound quality) Select this when playing rock or other kinds of music that sound better with an added punch. 2 CLEAR (sound quality) Select this for jazz or other kinds of music for which clarity in the treble range is desired.
Varying the sound quality with the manual equalizer Dial [SOUND CONTROL JOG] to display “MANUAL”. When it is dialed down, the settings are selected in the following sequence. 1 1 HEAVY 2 CLEAR 3 SOFT 4 DISCO 5 LIVE 6 HALL 7 MANUAL 8 AI-EQ 9 FLAT 1 2 2 Adjust the sound quality. 1 ← → direction: For selecting the range of the sound to be adjusted Characteristics of each sound range Under 100 Hz: Super woofer range Around 330 Hz: Bass to midrange Around 1 kHz: Midrange Midrange to treble Around 3.
Selecting the TRI-AMP mode A TRI-AMP A The tri-amp control controls sound quality by allowing you to adjust the level of the amplifiers for the low, mid and high regions. It is a type of manual equalizer and cannot be used with the other types of equalizers. Press [LOW], [MID] or [HIGH] to display “TRI-AMP”. The [TRI-AMP] indicator lights. 1 (Within 5 seconds) Dial [SOUND CONTROL JOG] to set the level as desired. 2 Repeat the above steps to set other frequency bands accordingly.
Using the timer Using the play/record timer 5 The timer has two functions. It can be set to on at a certain time to wake you up, or it can be set to record the radio or from the aux source. The play timer cannot be used in combination with the record timer. 4 1 2 2 3 3 Preparations Turn the unit on and set the clock (A page 10). For the play timer, prepare the music source you want to listen to; tape, CD, radio or aux, and set the volume.
Using the timer Using the play/record timer To check settings While the unit is on and the “rPLAY” (or “rREC”) indicator is on, press [CLOCK/TIMER] so “rPLAY” (or “rREC”) appears on the display.
Convenient functions A Switching displays A DISPLAY DEMO Press [-DISPLAY/–DEMO] to select the desired spectrum analyzer. Every time you press the button: Normal Peak hold Aurora Wiper (OFF) To mute the volume B B by remote control only This feature is convenient when you have a telephone call, etc. Press [MUTING]. Press the button again to cancel. “MUTING” goes out. Muting can also be cancelled by lowering the volume all the way (--dB).
Troubleshooting guide Before requesting service for this unit, check the chart below for a possible cause of the problem you are experiencing. Some simple checks or a minor adjustment on your part may eliminate the problem and restore proper operation.
Problem Probable cause(s) Suggested remedy Reference page(s) When there is a television set nearby The picture on the TV disappears or stripes appear on the screen. The location and orientation of the antenna are incorrect. If you are using an indoor antenna, change to an outdoor antenna. The wiring at the back of the system is unsuitable. Separate the antenna wire of the TV set from the system. 7 While using the cassette deck Sound is low, intermittent, poor quality, noisy, scratchy, or unsteady.
Technical specifications AMPLIFIER SECTION CD SECTION RMS power output THD 10%, both channels driven 250 mV Sampling frequency Decoding Beam source/wave length Number of channels Frequency response Wow and flutter Digital filter D/A converter 13.