Supplied accessories

Please check and identify the supplied accessories. Use numbers indicated in parentheses when asking for replacement parts.
(Only for U.S.A.) To order accessories contact 1-800-332-5368 or web site (http://www.panasonic.com).
AC power supply cord. 1 pc. (RJA0065-A)
FM indoor antenna (RSA0006-J). 1 pc.
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Recording operations Before recording (Deck 2 only).. Tape-to-tape recording.. Recording from radio broadcasts. Recording from compact discs.. 24 25
Sound quality/sound field operations Using the built-in sound quality/ sound field settings.. Enhancing the sound quality.. Boosting the super woofer.. Varying the sound quality with the manual equalizer.. Varying the sound quality with the acoustic image (Al) equalizer.. Surround systems.. 6CH DISCRETE INPUT mode.. Enjoying sound with DOLBY PRO LOGIC. 30 31
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 products 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.
To playback a Dolby Surround source with Dolby Pro Logic... 31
Enjoying sound with stereophonics.. 32 Timer and others Using the timer.. 33
Using the play/record timer.. 33 Using the sleep timer... 34
DO NOT INSTALL, OR PLACE THIS UNIT, IN A BOOKCASE, BUILT-IN CABINET OR IN ANOTHER CONFINED SPACE. ENSURE THE UNIT IS WELL VENTILATED. TO PREVENT RISK OF ELECTRIC SHOCK OR FIRE HAZARD DUE TO OVERHEATING, ENSURE THAT CURTAINS AND ANY OTHER MATERIALS DO NOT OBSTRUCT THE VENTILATION VENTS.
Using an external unit.. 35 Convenient functions.. 35 Reference Troubleshooting guide.. Maintenance... Servicenter List (U.S.A.).. Warranty (U.S.A.)... Specifications... Product Service... 39 39

4. Outdoor antenna groundingIf you connect an outdoor antenna, ground the antenna system to protect against voltage surges and built-up static charges. Section 810 of the National Electrical Code, ANSI/NFPA No. 70-1990, provides information about grounding of the mast and supporting structure, grounding of the lead-in 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. Refer to this diagram.
ANTENNA LEAD IN WIRE GROUND CLAMP ELECTRIC SERVICE EQUIPMENT ANTENNA DISCHARGE UNIT (NEC SECTION 810-20) GROUNDING CONDUCTORS (NEC SECTION 810-21) GROUND CLAMPS POWER SERVICE GROUNDING ELECTRODE SYSTEM (NEC ART 250, PART H) NECNATIONAL ELECTRICAL CODE

Installation

Placement
1. VentilationSituate the unit so that it receives proper ventilation. Do not install in a confined space such as a bookcase or cabinet. Allow at least 10 cm (4 inches) clearance from the rear of the unit. To prevent the risk of electric shock or fire due to overheating ensure curtains and other materials do not obstruct the units ventilation. 2. Foreign materialEnsure objects and liquids do not get into the unit. Avoid exposing the unit to excessive smoke, dust, mechanical vibration, and shock. 3. MagnetismSituate the unit away from equipment and devices that generate strong magnetic fields. 4. StackingDo not place heavy objects on top of this unit. 5. SurfacePlace the unit on a flat, level surface. 6. Carts and standsUse the unit only with carts and stands recommended by the manufacturer. Move carts with care. Sudden stops, excessive force, and uneven surfaces can cause carts to overturn. 7. Wall and ceiling mountingDo not mount the unit on walls or ceilings unless specified in the instructions.

Maintenance

(See page 36 for details.) Unplug the unit from the household AC outlet before cleaning. Clean with a damp cloth. Do not use abrasive pads, scouring powders, or solvents.

Service

1. Damage requiring service The unit should be serviced by qualified service personnel if: (a) The AC power supply cord or the plug has been damaged; or (b) Objects or liquids have gotten into the unit; or (c) The unit has been exposed to rain; or (d) The unit does not operate normally or exhibits a marked change in performance; or (e) The unit has been dropped or the cabinet damaged. 2. Servicing Do not attempt to service the unit beyond that described in these operating instructions. Refer all other servicing to authorized servicing personnel. 3. Replacement parts When parts need replacing ensure the servicer uses parts specified by the manufacturer or parts that have the same characteristics as the original parts. Unauthorized substitutes may result in fire, electric shock, or other hazards. 4. Safety check After repairs or service, ask the servicer to perform safety checks to confirm that the unit is in proper working condition.

The front and center speakers are designed to be used close to a television, but the picture may be affected with some televisions and set-up combinations. If this occurs, turn the television off for about 30 minutes. The televisions demagnetizing function should correct the problem. If it persists, move the speakers further away from the television. Note Surround speakers do not have magnetic shielding. Do not place them near televisions, personal computers or other devices easily influenced by magnetism.

7.5-9.5

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Connections

3 AB 4

Adhesive tape

Gray Red Gray Red

T FM AN ) (

Gray (+) FM indoor antenna Red (+) Gray (+) Gray with blue line () Red (+) Black ()

AM loop antenna

Gray Gray (+) Blue ()

SC-AK66 SC-AK62

Blue () Black ()

T AM AN LOOP EXT

Red (+)

Gray (+)

Black Black () Red (+)

Gray with blue line ()

Black ()
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Basic connections (for supplied accessories)
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.
Plug the AC power cord into a household AC outlet only after all other connections have been made. To prepare the antenna wires and speaker cords, twist the vinyl cover tip and pull off.

FM outdoor antenna

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. Note For best reception sound quality: An FM outdoor antenna is recommended.
FM outdoor antenna (not included)
75 coaxial cable (not included)

T FM AN ) ( GND

Connect the AM loop antenna.
After attaching the antenna, turn on the system and tune in a broadcast station. Then, turn the antenna to the angle of best reception and least interference.

30 mm (1 3/16)

Shield braid

15 mm (19/32)

Connect the speaker cables.
A Surround speaker cords B Center speaker cord C Front (L/R) speaker cords Connect each end of the speaker cables to the terminal lever of the same color so (+) and () are correct. Never allow the exposed wires to contact each other when connected. SC-AK77 only LF: Low Frequency HF: High Frequency Incorrect connection can damage the unit. Caution Use only the supplied speakers. The combination of the main unit and speakers provide the best sound. Using other speakers can damage the unit and sound quality will be negatively affected.

Name Ref. page
1 AC supply indicator (AC IN)
This indicator lights when the unit is connected to the AC power supply.
2 Standby/on switch (f/I, POWER).. 13
Press to switch the unit from on to standby mode or vice versa. In standby mode, the unit is still consuming a small amount of power.
3 Play timer/record timer button (rPLAY/rREC).. Clock/timer button (CLOCK/TIMER). 13, 33, Deck 1 open button (c DECK 1 OPEN). Deck 1 cassette holder... Disc tray 8 DOLBY PRO LOGIC on/off button (p PL). 6-channel input button (6CH INPUT).. 30, 35
! Surround on/off button (SURROUND). 32 Deck 2 open button (c DECK 2 OPEN). 21
# Deck 2 cassette holder... 21 $ CD open/close button (c OPEN/CLOSE). 17 % Headphone jack (PHONES).. 35

AUX 1/2

BAND TUNER

DECK 1/2 TAPE

SUPER 3D AI SUPER SOUND EQ

Center console

& Remote control signal sensor.. 9 (

DISPLAY/ DEMO

SOUND EQ

S.WOOFER

AUX 1/2 button (AUX 1/2).. 35
AUX button (AUX).. 35 ) Tuner/band select button (TUNER, BAND). 14 ~ Tape/deck select button (TAPE, DECK 1/2). 21 + CD button (CD)... 20 , Display - Disc direct play buttons and indicators (CD 1 ~ CD 5)... 17
. CD manager button (CD MANAGER).. 20 /

SC-AK77 only

SC Reverse mode select button (REV MODE). 21

CD SUPER SOUND EQ

: Display select/demonstration button (-DISPLAY/DEMO).. 12, 35 ; Tape edit button (TAPE EDIT).. 23 < Basic operating buttons
Functions change according to the source.
SC-AK77 only Super 3D AI button (SUPER 3D AI).. 28
> Super sound EQ button (SUPER SOUND EQ). 27 ? Jog control (SOUND EQ).. 27 @
SC-AK77 only Joy stick (SOUND EQ).. 28 SC-AK77 only
Super woofer on/off button (S.WOOFER).. 27 \ Volume control (VOL).. 14
RQT5769 10-11 AK77/66/62 [P/PC] 10
] Recording start/stop button (a REC/STOP). 24

13/7/01, 2:50 pm

Remote control
Buttons such as 2 functions in exactly the same way as the buttons on the main unit. No. Name Ref. page
2 Standby/on button (f)..13 _ Numeric buttons (10, 19, 0).. 15, 18
{ Program button (PROGRAM).. 19 | Cancel button (CANCEL)..19 (

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Presetting radio broadcasts
There are two methods of presetting stations. Automatic presetting : All the stations the tuner can receive are preset. Manual presetting : You can select the stations to preset and the order they are preset in. Up to 12 stations each can be set in the FM and AM bands.

Automatic presetting

Do the following once each for FM and AM. Preparation: Tune to the frequency where presetting is to begin (A page 14).
Press and hold [MEMORY )/f ]. f

Manual presetting

Preset the stations one at a time.
1 Press [TUNER, BAND] to select the FM or AM. 2 Press [MEMORY )/f ] then press [TUNE/TIME ADJ (3) or (4)] to tune to the required station. 3 Press [MEMORY )/f ] then press [TUNE/TIME ADJ (3) or (4)] to tune to select a channel. 4 Press [MEMORY )/f ]. The station occupying a channel is erased if another station is preset in that channel.

Selecting channels

by remote control
Press [TUNER] to select FM or AM.
Press the numbered buttons to select the channel.
To select channel 10 or over Press [j] then the two digits.
On the main unit 1 Press [TUNER, BAND] to select FM or AM. 2 Press [L TUNE MODE] to select PRESET. 3 Press [TUNE/TIME ADJ (3) or (4)] to select the preset channel.

Preset channel

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Release the button when frequency begins to change. The tuner presets all the stations it can receive into the channels in ascending order. When finished, the last station memorized is tuned in.

Concerning compact discs

x xx xx xxx xx x x
With this system, you can only play compact discs having this mark. A However, do not use irregular shaped CDs. CDs of the sort can damage the unit.

xx x xx x x xx x

XXXX XXXX XXXXX XXXX XX XXXX XXXX XXXXX XXXX XXXX XXXXX XXXX XXXX

How to hold CDs

Do not touch the recorded surface.

Compact disc operations

How to clean CDs Be sure to store discs in their cases to protect them from dust, scratches, and warping. Do not place or store discs in the following places Locations exposed to direct sunlight Humid or dusty locations Locations directly exposed to a heat vent or heating appliance In the glove compartment or on the rear deck of an automobile Wipe from inside outward.

Press [c OPEN/CLOSE] 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 [(CD 1) ~ (CD 5)] to select the required tray and press [c OPEN/CLOSE] to open the tray. The current tray closes and the selected tray automatically opens. Press [c OPEN/CLOSE] to close the tray.
Press [(CD 1) ~ (CD 5)] to play your desired disc.
(If the desired CD is indicated on the display panel, the same operation can be accomplished by pressing [-].) Play will start from the first track on the disc and will continue until the last track of the final disc is played (see below).

OPEN/CLOSE

A To stop the disc play
Press [L]. Label must face upward.

B When

appears on the display It indicates there are 16 (SC-AK66 and SC-AK62: 13) or more tracks on the disc in the playing position.
Disc indicators The disc indicators light whenever the tray is in the playing position whether it is loaded or not. What is meant by final disc? For example, if play starts from disc 4, disc 3 will be the final disc. Order of progression: Disc 45123 One touch play If the unit is in standby mode and a CD is loaded, press [CD] or [(CD 1) ~ (CD 5)]. The unit will come on automatically and play will start. To pause (For SC-AK77) Press [;/J] during playback. To resume playback, press [;/J]. (For SC-AK66 and SC-AK62) Press [ J ] during playback. To resume playback, press [ J ].

Track number

Elapsed playing time (Of current track number)

Number of tracks

To search forward/ backward (Search)
Hold down [g/(] (backward) or [)/f] (forward) during playback or pause mode. Press [g/(] (backward) or [)/f] (forward) during playback or pause mode.
To skip forward/ backward Disc number Total playing time Notes
During random play (A page 18), you cannot skip to tracks which have already been played. During program play (A page 19) or random play, you can search forward or backward only within the current track. During program play, skipping is always in the programmed order, whether forward or backward. Always stop the changer before loading or changing CDs. You cannot change CDs while a disc is playing.

RQT5769

14-17 AK77/66/62 [P/PC]

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Direct access play

by remote control only

Press [DISC].
(within 10 seconds or so)
Press [1] [5] to select the disc you want. Press the numeric button to select the desired track number.
The CD will be played from the selected track to the last track of the final disc (A page 17). 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. 35: [10] [3] [5]

Repeat play

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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. You can use this function to make recordings as well.
There are 3 CD/track selection modes.
For playing back 1 track only from all loaded CDs 1-Track mode (1-TRACK) For playing back 1 CD only from all loaded CDs 1-Disc mode (1-DISC) For playing back 1 track on all loaded CDs 1-Track All-Disc mode (1-ALL)
Press [CD MANAGER] to select the desired mode.
1-TRACK 1-DISC NORMAL (OFF) (OFF) 1-ALL

1-TRACK: 1-DISC: 1-ALL:

Only one particular track is played. The tracks on only one particular disc are played. The same track numbers on each of the CDs are played in succession. (NORMAL: The original display is restored in about 3 seconds.)
Press [(CD 1) ~ (CD 5)] to select the disc you want.
Note This step is not required if 1-ALL was selected in step 2.
Press [g/(] or [)/f] to select the desired )f track.
Note This step is not required if 1-DISC was selected in step 2.

Press [-].

The selected track will start. To stop play Press [L]. When playback ends NORMAL will appear on the display for about 3 seconds, then the CD MANAGER function will turn OFF automatically.

Specified track number

During play in the 1-ALL mode:
It is not possible to skip back to a CD whose track has already been played. If a CD does not have the designated track number, it is skipped and play continues.
You can use the CD Manager function together with repeat play. CD Manager function will be canceled when you press the [RANDOM] button.

CD MANAGER

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Listening to tapes

You can use either deck 1 or deck 2 for tape playback.

SC-AK77 -AK44

The unit can play normal, high and metal position tapes. It identifies the type automatically.
Use normal position tapes. High position and metal position tapes can be played, but the unit will not be able to do full justice to the characteristics of these tapes.

Press [TAPE, DECK 1/2].

The unit will come on automatically. If the unit was off and a cassette was loaded, play will start automatically (One touch play function).
Press [c DECK 1 OPEN] or [c DECK 2 OPEN] and insert the tape.

Front side

Insert the tape with the exposed tape facing down. Close the holder by hand.
Press [REV MODE] to select the reverse mode.
: One side is played. : Both sides are played. : Both sides are played 8 times each. To listen to 2 tapes consecutively Load a tape into each deck and select be played 8 times each. Both tapes will
Press [// J] or [-] to start playback. [-] : The forward side (front side) will play. [// J] : The reverse side will play.

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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. Preparation Press [cDECK 2 OPEN] and insert the tape. Wind up the leader tape so recording can begin immediately.
1-TRACK 1-DISC NORMAL (OFF) 1-ALL
Only one particular track is recorded. The tracks on only one particular disc are recorded. The same track numbers on each of the CDs are recorded in succession. (NORMAL: The original display is restored in about 3 seconds.)
Press [g/(] or [)/f] to select the desired g( )f track.
A 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. At the end of the reverse side, recording stops and the current track will be interrupted.
SC-AK66 SC-AK62 If the tape finishes before the CD The CD continues playing. Press [L] to stop it. (CD Manager function will also be canceled.)

Front side Reverse side

The interrupted track is re-recorded in its entirety on the reverse side.
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Using the built-in sound quality/ sound field settings
Dial [SOUND EQ] to select the sound quality or sound field.
When it is turned clockwise, the settings are selected in the following sequence. 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. 3 SOFT (sound quality) Select this when listening to background music. 4 DISCO (sound field) Select this to produce sound with the same kind of lengthy reverberations heard at a disco. 5 LIVE (sound field) Select this to make vocals more alive. 6 HALL (sound field) Select this to add an expansiveness to the sound to produce the atmosphere of a great concert hall. 7 SC-AK77 only MANUAL (see page 28) 8 SC-AK77 only AI-EQ (see page 28) The original display is restored on the display panel in about 5 seconds. To release the equalizer Dial [SOUND EQ] to display FLAT.

SC-AK66 SC-AK77 SC-AK62

When using the remote control to perform the operations described above Press [EQ]. Each time this button is pressed, the setting is changed in the sequence described above. Note All recordings are performed at the flat setting even if an alternative sound quality/sound field setting has been selected.

Press [SUPER SOUND EQ].

Press the button again to cancel. The button light goes out.

S. WOOFER

Boosting the super woofer

SC-AK77 only SC-AK44

Press [S.WOOFER].
When listening to the sound through the speakers

MID (medium)

MAX (high)
When listening to the sound through the headphones S.WOOFER (on) (off)
Note You cannot record super woofer effect, but you can use it for playback sound.
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Sound quality/sound field operations

SUPER SOUND EQ

Enhancing the sound quality
This feature enhances the bass and treble effect of the sound.
Varying the sound quality with the manual equalizer
Dial [SOUND EQ] to display MANUAL.
When it is turned clockwise, the settings are selected in the following sequence. 1 HEAVY 2 CLEAR 3 SOFT 4 DISCO 5 LIVE 6 HALL 7 MANUAL 8 AI-EQ 9 FLAT
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 Around 3.3 kHz: Midrange to treble Above 10 kHz: Treble 2 direction: For adjusting the level (7 steps) When the level is in the center, the dot flashes rapidly. Repeat steps 1 and 2 to set the desired sound quality. The original display is restored on the display panel in about 5 seconds. To release the equalizer Dial [SOUND EQ] to display FLAT. Notes The sound quality setting is stored automatically. It is recalled when MANUAL is next selected. All recordings are performed at the flat setting even if an alternative sound quality setting has been selected.
Varying the sound quality with the acoustic image (Al) equalizer

100Hz 1kHz 10kHz

The Al equalizer uses the SOFT, SHARP, HEAVY and LIGHT sound quality coordinates to achieve subtle sound quality settings with ease.

SUPER 3D AI

Press [SUPER 3D AI] on the main unit to adjust the surround level. OR Press [3D AI] on the remote control to adjust the surround level.
Every time you press the button: 3D AI 1 3D AI 2
1 direction: SOFTSHARP setting 2 direction: LIGHTHEAVY setting Repeat steps 1 and 2 to set the desired sound quality. The original display is restored on the display panel in about 5 seconds. To release the equalizer Dial [SOUND EQ] to display FLAT.

RQT5769 27-28 AK77/66/62 [P/PC] 28
Notes The sound quality setting is stored automatically. It is recalled when Al-EQ is next selected. All recordings are performed at the flat setting even if an alternative sound quality setting has been selected. 3D AI 1 and 3D AI 2 cannot be selected while a surround system is on.

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Surround systems
Select the surround mode appropriate to the source you are using. Read the following explanations to aid your selection. You may experience a reduction in sound quality when these surround systems and effects are used with some sources. If this occurs, either turn the surround system or effect off or reduce the level of the effect.

Surround system

Features
Recognizing the sound sources and software that can be used
6CH DISCRETE INPUT (Dolby Digital / DTS)
You will need a DVD player that has a built in decoder to enjoy DVDs with this unit. Dolby Digital and DTS are discrete 6 (5.1) channel surround systems developed for cinema use. Not all Dolby Digital sources are recorded with 6 channels. Some sources marked Dolby Digital may be recorded in Dolby Surround, a 2 channel system. Connect a subwoofer (not included) to the SUBWOOFER OUT terminal on the rear panel of this system to increase the effect.
Software encoded with Dolby Digital can be identified with this mark. DVD
Software encoded with DTS can be identified with this mark. DVD Laser discs CDs
DTS and DTS Digital Surround are trademarks of Digital Theater Systems, Inc. Note All the features are only effective if speakers are used. No discernible effect will be heard through headphones.

DOLBY PRO LOGIC

This mode cannot be used with the radio, 6CH DISCRETE INPUT mode, or if headphones are connected.
This mode adds surround effects to normal music sources.
Any general sound source can be used. CD TAPE AUX
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This system was developed to get a better sense of presence from sources encoded with Dolby Surround. The feeling of position has been improved by the addition of a separate center speaker channel. This unit has built-in Dolby Pro Logic circuit so you can enjoy Dolby Surround by connecting the speakers.
Software with the following mark is recorded in Dolby Pro Logic: Laser Disc DVD Video tape (VCR) CD

6CH DISCRETE INPUT mode

Press [6CH INPUT]. Playback the source (DVD).
To adjust the volume of each speaker
Sit in the normal listening position and make the adjustments with the remote control. 1 Output the test signal from the DVD player (not included). Set the channel level to 0 dB on the DVD player, and adjust the channel level on this system. 2 Press [VOLUME ( or +)]. Set the volume to the normal listening level.

Timer and others
Press [f/I, POWER] to turn the unit off.
Using the play/record timer Using the sleep timer
by remote control only This timer turns your system OFF at the set time (Max. 2 hours, settable at 30-minute intervals). It lets you fall asleep listening to music. Preparation

PLAY/ REC

Switch on the power. The figure shows how to set the system to standby mode after 30 minutes.
To change the timer Press [rPLAY/rREC] to select the desired timer. Every time the button is pressed the setting changes as follows.

PLAY REC

(OFF) (OFF) 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. Two seconds after rPLAY (or rREC) appear, the settings are displayed in the following order: For play timer For record timer 1 Play start time 1 Recording start time 2 Play finish time 2 Recording finish time 3 Play source 3 Recording source 4 Playback volume You can check the settings even when the system is OFF by pressing [CLOCK/TIMER] twice. To enjoy the desired source after the timer setting is completed The volume level (for play timer) and music source are stored in the timer memory and the timer will start in these preset conditions. However, the Disc numbers and reverse mode (for SC-AK77) do not get stored in the timer memory. 1. After step 4, start playing the desired source. 2. Reset the Disc numbers and reverse mode (for SC-AK77) if you have changed any of them, confirm that a Disc or cassette is inserted, then press [f/7, POWER] to put the unit on standby. Notes If you switch the system to the standby mode while the play/record timer is functioning, the OFF time setting will not be activated. If AUX 1/2 (SC-AK66 and SC-AK62: AUX) or 6CH INPUT is selected as the source, when the timer comes ON, the system will turn ON and will engage AUX 1/2 (SC-AK66 and SC-AK62: AUX) or 6CH INPUT as the source. If you want to playback or record from a connected component, set the components timer to the same time. (See the instruction manual that came with the component.) While enjoying the desired source:
Press [SLEEP] to select the desired time.
SLEEP 30 SLEEP 60 SLEEP 90 SLEEP 120

SLEEP OFF

The system is turned off after the set time has elapsed. To cancel the sleep timer: Press [SLEEP] to select SLEEP OFF. To confirm the remaining time: (only while system is ON) Press [SLEEP]. To change the time remaining during operation: Press [SLEEP] to show the remaining time then press [SLEEP] to select the desired time.
Notes The sleep timer turns OFF automatically the moment you attempt to edit-record a CD using CD Manager function. The sleep timer can be used in combination with the play/record timer. The sleep timer always has priority. Be sure not to overlap timer settings.

Reference pages are shown as black circled numbers 6.

Common Problems

No sound. Turn the volume up. The speaker cables may be shorted. Turn the unit off, check and correct the connections and turn the unit on. 6, 7 Check the speaker connections. 6, 7
Sound is unfixed, reversed or comes from one speaker only. Humming heard during play. ERROR is displayed. : appears on the display. F61 is displayed.
An AC power supply cord or fluorescent light is near the cables. Keep other appliances and cords away from this units cables. Incorrect operation performed. Read the instructions and try again. You plugged the power supply cord in for the first time or there was a power failure recently. Set the time. $ Check and correct the speaker cords connection. 6 , 7 If this does not fix the problem, there is a power supply problem. Consult the dealer.

Listening to the radio

Noise is heard. The stereo indicator flickers or doesnt light. Sound is distorted. A beat sound is heard. A low hum is heard during AM broadcasts. Use an outdoor antenna. 7
Turn the TV off or separate it from the unit. Separate the antenna from other cables and cords.
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 TV antenna wire is too close to the unit. Separate the antenna wire of the TV set from the unit.

Using the cassette deck

Poor quality sound. Recording is not possible. Clean the heads. { If the erasure prevention tabs have been removed, cover the holes with adhesive tape.

Playing discs

The display is wrong or play wont start. The disc may be upside down. ) Wipe the disc. Replace the disc if it is scratched, warped, or non-standard. Condensation may have formed inside the unit due to a sudden change in temperature. Wait about an hour for it to clear and try again. There is a problem with the disc mechanism. (A power failure may have occurred.) The tray will open automatically. Remove the disc from the tray, and after ensuring there is no disc in the tray, close it. The unit will make the disc changing noises for a few moments and then it should operate normally.
TAKE OUT/DISC appears on the display.
Remote control doesnt work. Check the batteries are inserted correctly. 9 Replace the batteries if they are worn.

Reference

If the surfaces are dirty
To clean this unit, wipe with a soft, dry cloth. If the surfaces are extremely dirty, use a soft cloth dipped in a soapand-water solution or a weak detergent solution. Never use alcohol, paint thinner or benzine to clean this unit. Before using a chemically treated cloth, carefully read the instructions that came with the cloth.

CASSETTE DECK SECTION

Track system 4 track, 2 channel Heads Record/playback Solid permalloy head Erasure Double gap ferrite head Motor DC servo motor Recording system AC bias 100 kHz Erasing system AC erase 100 kHz Tape speed 4.8 cm/s Frequency response (+3 dB, 6 dB at DECK OUT) NORMAL (TYPE I) 35 Hz 14 kHz (SC-AK77 only) HIGH (TYPE II) 35 Hz 14 kHz S/N 50 dB (A weighted) Wow and flutter 0.18% (WRMS) Fast forward and rewind time Approx. 120 seconds with C-60 cassette tape

GENERAL

Power supply AC 120 V, 60 Hz Power consumption 230 W (For Canada only) 255 VA Standby 0.29 W Dimensions (WxHxD) 250 x 332 x 319 mm (927/32 x 131/16 x 129/16) Mass (SC-AK77) 8.5 kg (18.7 lb) (SC-AK66) 8.3 kg (18.3 lb) (SC-AK62) 8.3 kg (18.3 lb)
AMPLIFIER SECTION SC-AK66
Power output THD 10%, both channels driven Front 1 kHz 70 W per channel (6 ) Center 1 kHz 70 W (8 ) Surround 1 kHz 35 W per channel (8 ) Total power output in stereo mode 140 W Total power output in Dolby Pro Logic mode 280 W FTC power output THD 10%, both channels driven Front 70 Hz16 kHz 60 W per channel (6 ) Center 70 Hz16 kHz 70 W (8 ) Surround 70 Hz16 kHz 35 W per channel (8 ) Total power output in stereo mode 120 W Total power output in Dolby Pro Logic mode 260 W Input sensitivity AUX 250 mV Input Impedance AUX 13 k

CD SECTION

Sampling frequency 44.1 kHz Decoding 16 bit linear Beam source/wavelength Semiconductor laser/780 nm Number of channels Stereo Frequency response 20 Hz20 kHz (+1, 2 dB) Wow and flutter Below measurable limit Digital filter 8 fs D/A converter MASH (1 bit DAC)

Notes:

1. Specifications are subject to change without notice. Mass and dimensions are approximate. 2. Total harmonic distortion is measured by the digital spectrum analyzer. 3. (For SB-AK77 only) HIGH stands for High Frequency. LOW stands for Low Frequency.

SPEAKER SECTION

Front speakers SB-AK77 Type 3 way speaker system Speaker(s) Super Woofer 17 cm (63/4) cone type Woofer 12 cm (43/4) cone type Tweeter 6 cm (23/8) cone type Impedance HIGH 6 LOW 8 Input power HIGH 60 W (Music) LOW 140 W (Music) Output sound pressure level 87 dB/W (1.0 m) Cross over frequency 150 Hz, 5 kHz Frequency range 45 Hz22 kHz (16 dB) 55 Hz20 kHz (10 dB) Dimensions (WxHxD) 230 x 332 x 291 mm (91/16 x 131/16 x 1115/32) Mass 4.3 kg (9.5 lb) Front speakers SB-AK66 Type 2 way speaker system Speaker(s) Woofer 12 cm (43/4) cone type Tweeter 6 cm (23/8) cone type Impedance 6 Input power 100 W (Music) Output sound pressure level 85 dB/W (1.0 m) Cross over frequency 5 kHz Frequency range 45 Hz22 kHz (16 dB) 55 Hz20 kHz (10 dB) Dimensions (WxHxD) 211 x 332 x 250 mm (85/16 x 131/16 x 927/32) Mass 2.8 kg (6.2 lb)