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RQT8043

RQTX0266

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Before requesting service, make the following checks. If you are in doubt about some of the check points, or if the solutions indicated in the 
chart do not solve the problem, consult your dealer for instructions.

 Common problems 

Page

When the unit is in standby 
mode, the display lights up 
and changes continuously.

•  Turn off the demo function.

6

No response from the unit 
even though it has been 
turned on.

• Press [

y

/l, POWER] for more than 10 seconds to turn off the unit. Alternatively, unplug the 

AC power supply cord and plug it in after a lapse of a few seconds.

  Turn the unit on again.

No response when remote 
control buttons are pressed.

•  Check that the batteries are installed correctly.

4

Distorted sound or no sound.

•  Turn the volume up.
•  Turn off the unit, determine and correct the cause, then turn the unit on again.
  It may be caused by straining of the speakers through excessive volume or power, and 

using the unit in a hot environment.


A “humming” sound can be 
heard during play.

•  An AC power supply cord or fl uorescent light is near the unit. Keep other appliances and 

cords away from the unit.

 Discs

Incorrect display or play will 
not start.

•  You have not inserted the disc correctly; insert it correctly.
•  Disc may be dirty. Wipe it clean.
•  Replace the disc if it is scratched, warped, or non-standard.
•  Condensation has formed: Wait 1 to 2 hours for it to evaporate.

6



The total number of tracks 
displayed is incorrect.
The disc cannot be read.
Distorted sound is heard.

•  You have inserted a disc the unit cannot play; insert one it can.
•  You have inserted a disc that has not been fi nalized or completely formatted.


Disc tray(s) cannot open.

• Press [

y

/I, POWER] to release the jammed tray(s) as the unit will switch off. Turn it on 

again and the tray(s) will initialize to the previous tray(s) condition.

•  If this still does not fi x the problem, please consult the dealer.

 Radio

Distorted sound or noise is 
heard.
The stereo indicator fl ickers or 
does not light.

•  Use an outdoor antenna.

6

A beat sound is heard.

•  Turn the television off or move it away from the unit.
•  Switch to either BP 1 or BP 2 when in AM tuner mode.


11

A low hum is heard during AM 
broadcast.

•  Separate the antenna from other cables and cords.

 USB

The USB drive or its contents 
cannot be read.

•  The USB drive format or its contents is/are not compatible with the system.
•  The USB host function of this product may not work with some USB devices.
•  USB devices with storage capacity of more than 32 gigabytes may not work in some 

instances.

14

Slow operation of the USB 
device.

•  Large fi le size or high memory USB fl ash drive takes longer time to read.

 Unit displays

“NO PLAY”

•  Check the content.
•  Only MP3 format fi les can be played.


“F61”

•  Check and correct the speaker cords connection.
  If this does not fi x the problem, consult the dealer.
•  Disconnect the USB device. Turn the unit off and then turn back on.

5

“ERROR”

•  Incorrect operation performed. Read the instructions and try again.

“ERROR” (during recording)

•  You are not able to select other playback source (example: radio, USB and etc.) or press 

[

4

 / 

1

] or [

¡

 / 

¢

] during recording.

  Stop the recording function.
•  You are not able to open the disc tray when recording from AM source.
•  Select a suitable recording mode (128 KBPS or 192 KBPS) and resume recording.

13


14

“VBR–”

•  The unit cannot display the remaining play time for variable bit rate (VBR) tracks.

“– –:– –” (during standby 
mode)

•  You plugged the AC power supply cord in for the fi rst time or there was a power failure 

recently.

•  Set the time.

15

“USB OVER CURRENT 
ERROR”

•  The USB device is drawing too much power. Disconnect the USB device. Turn the unit off 

and then back on.

Troubleshooting guide

RQTX0266-M_en.indd   18

RQTX0266-M_en.indd   18

4/20/09   10:02:53 AM

4/20/09   10:02:53 AM

Summary of Contents for SC-AK780

Page 1: ... not look exactly the same as illustrated Dear Customer Thank you for purchasing this product For optimum performance and safety please read these instructions thoroughly before connecting operating or adjusting this product Please keep this manual for future reference 1 x AC power supply cord For Argentina K2CJ2DA00006 For other Latin American countries K2CQ2CA00007 2 x Remote control batteries 1...

Page 2: ...THER MATERIALS DO NOT OBSTRUCT THE VENTILATION VENTS DO NOT OBSTRUCT THE UNIT S VENTILATION OPENINGS WITH NEWSPAPERS TABLECLOTHS CURTAINS AND SIMILAR ITEMS DO NOT PLACE SOURCES OF NAKED FLAMES SUCH AS LIGHTED CANDLES ON THE UNIT DISPOSE OF BATTERIES IN AN ENVIRONMENTALLY FRIENDLY MANNER The socket outlet shall be installed near the equipment and easily accessible The mains plug of the power supply...

Page 3: ...tection Ensure the AC power cord is connected correctly and not damaged Poor connection and lead damage can cause fire or electric shock Do not pull bend or place heavy items on the lead Grasp the plug firmly when unplugging the lead Pulling the AC power cord can cause electric shock Do not handle the plug with wet hands This can cause electric shock Foreign matter Foreign matter Do not let metal ...

Page 4: ...akers and can cause fire Consult a qualified service person if damage occurs or if a sudden change in performance is apparent Do not attach these speakers to walls or ceilings Preparing the remote control Use alkaline or manganese batteries Insert so the poles and match those in the remote control R6 LR6 AA Aim at the remote control signal sensor page 7 avoiding obstacles at a maximum range of 7 m...

Page 5: ...rawing However there is no problem using the unit If the power plug does not fit your socket use the power plug adaptor included For your reference To save power when the unit is not to be used for a long time unplug it from the household AC outlet You will need to reset some memory items after plugging in the unit Note The included AC power supply cord is for use with this unit only Do not use it...

Page 6: ...he unit is first plugged in a demonstration of its functions may be shown on the display If the demo setting is off you can show a demonstration by selecting DEMO ON Press and hold 7 DEMO demo on the main unit The display changes each time you press and hold the button DEMO OFF off DEMO ON on While in standby mode select DEMO OFF to reduce power consumption Note DEMO function cannot be turned on w...

Page 7: ... amount of power 6 2 USB recording indicator 13 USB port 12 3 9 AK780 Remote control signal sensor 4 Music port jack 17 Headphone jack Avoid listening for prolonged periods of time to prevent hearing damage Excessive sound pressure from earphones and headphones can cause hearing loss Plug type Ø 3 5 mm stereo not included Disc tray open or close 6 9 Disc change 9 Track skip function 9 12 8 Disc di...

Page 8: ... 10 12 Play mode function 9 11 13 Repeat function 10 2 USB play or pause 12 3 Music port selection 17 RE MASTER selection 16 4 Manual EQ selection 16 5 D BASS selection 16 2 3 Album selection 9 12 5 Confirm selection 10 12 14 17 OK Display function 10 12 CD to USB high speed recording function 13 6 USB recording or pause 13 Clock or timer setting 15 Play timer or record timer setting 15 Sleep time...

Page 9: ...during play or pause to search During program play page 10 or random play see right Play Mode function you can search only within the track Play Mode function You can listen to specific discs and tracks Preparation Select and play your desired disc Press PLAY MODE to select the desired mode 1 DISC 1 DISC Play one selected disc ALL DISC ALL DISC Play all loaded discs in succession from the selected...

Page 10: ... 1 or to select the track To select a track directly press the numeric buttons after pressing 4 1 or 6 Press OK Repeat steps 4 to 6 to program other tracks 7 Press 6 CD to start play For two digit track press h10 once then the two digits For three digit track press h10 twice then the three digits Cancel program mode Press PROGRAM in the stop mode Replay the program Press PROGRAM then 6 CD in the s...

Page 11: ... the Compact Disc Digital Audio CD DA format so playback may not be possible Using the FM AM radio Manual tuning Manual tuning 1 Press FM AM to select FM or AM 2 Press PLAY MODE AK580 TUNE MODE to select MANUAL 3 Press 4 1 or to select the frequency of the required station is displayed when a stereo FM broadcast is being received To tune automatically Press and hold 4 1 or until the frequency star...

Page 12: ...nd or music tracks from various sources to MP3 format and store into the USB mass storage device which can be played back Typically USB memory devices bulk only transfer Connecting a USB mass storage device Connecting a USB mass storage device Preparation Before connecting any USB mass storage device to the unit ensure that the data stored therein has been backed up It is not recommended to use a ...

Page 13: ...d ALBUM will be displayed when the system rearranges and renames the folders in ascending order Checking the track information While performing basic recording function see left you can view the information of the current track from the display panel Press DISPLAY repeatedly during recording Remaining play time for CD only REC mode Original display Elapsed play time USB remaining REC time Recordin...

Page 14: ...de during recording Adding track marks When recording from analog source such as radio music port or aux you may want to separate the sound or music track at desired point during recording You can perform this separation by adding track marks using the various listed modes Before recording Press EDIT MODE repeatedly to select your desired track mark mode Radio MANUAL TIME MARK MUSIC PORT or AUX MA...

Page 15: ... to turn on your desired timer PLAY No display off REC 6 Press y to turn off the unit The unit must be turned off for the timers to operate Change the settings Repeat steps 1 to 4 and 6 see left and above Change the source or volume 1 Press PLAY REC to clear the timer indicator from the display 2 Make changes to the source or volume 3 Perform steps 5 and 6 see above Check the settings Press CLOCK ...

Page 16: ...ly to select your desired setting HEAVY CLEAR SOFT VOCAL FLAT off HALL LIVE DISCO Setting Effect HEAVY Adds punch to rock CLEAR Clarifies higher frequencies SOFT For background music VOCAL Adds gloss to vocal DISCO Produces sound with the same kind of lengthy reverberations heard at a disco LIVE Makes vocals more alive HALL Adds an expansiveness to the sound to produce the atmosphere of a great co...

Page 17: ... cord not included Portable audio equipment not included Playing a portable audio equipment Switch off the equalizer function if there is any of the portable audio equipment before you plug into the MUSIC PORT jack Otherwise sound from the speaker may be distorted 1 Plug the audio cord into the MUSIC PORT jack 2 Press MUSIC P main unit MUSIC PORT to select MUSIC PORT 3 Play the portable audio equi...

Page 18: ...t on again and the tray s will initialize to the previous tray s condition If this still does not fix the problem please consult the dealer Radio Distorted sound or noise is heard The stereo indicator flickers or does not light Use an outdoor antenna 6 A beat sound is heard Turn the television off or move it away from the unit Switch to either BP 1 or BP 2 when in AM tuner mode 11 A low hum is hea...

Page 19: ...ft dry cloth Never use alcohol paint thinner or benzine to clean this unit Before using chemically treated cloth read the instructions that came with the cloth carefully When moving the unit 1 Remove all discs 2 Press y I POWER to turn the unit off 3 Disconnect the AC power supply cord Useful information Customer Service Customer Service Directory Obtain information products and operative assistan...

Page 20: ...Front right channel SW Subwoofer channel USB SECTION USB port USB Standard USB 2 0 full speed Media file format support MP3 mp3 USB device file system FAT 12 FAT 16 FAT 32 USB port power 500 mA Max Bit rate 16 kbps to 320 kbps P B USB recording Recording file format MP3 mp3 Bit rate 128 kbps 192 kbps 320 kbps USB recording speed 1x max 4x CD only SPEAKER SECTION Front speakers SB AK780 Type 2 way ...

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