Kenwood KC-993 User Manual

CONTROL AMPLIFIER

KC-993

INSTRUCTION MANUAL

KENWOOD CORPORATION

B60-1054-00 di) (K. P, M,X,Y)

Introduction

Your choice of this product indicates that you are a devotee to exceilence in sound reproduction. We appreciate your patronage and take pride in the long tradi tion of quality components that our company represents. So that you can get the most ou"t of your unit, we suggest that you take the time to read through this manual before you hook up and operate your system. This will acquaint you with oper ating features and system-connection considerations, so that your listening pleasure will be enhanced right from the start. You will notice that in all aspects of planning, engineering, styling, operating convenience and adaptability we have sought to anticipate your needs and desires.

Keep this manual handy for future reference.

For your records

Record the serial number, found on the back of the unit, in the spaces designated on the warranty card, and in the space provided below. Refer to the mode! and serial numbers whenever you cal! upon your dealer for information or service on this product. Model

_______________

Unpacking

Unpack the unit carefully and make sure that all accessories are put aside so they will not be lost. Examine the unit for any possibility of shipping damage. If your unit is damaged or fails to operate, notify your dealer immediately, if your unit was shipped to you directly, notify the shipping company without delay. Only the consignee (the person or company receiving the unit) can file a claim against the carrier for shipping damage. We recommend that you retain the original carton and pack ing materials for use should you transport or ship the unit in the future.

Serial Number

_____________________

Accessories

• AC plug adaptor (Except for some areas)

For the unit with a European

AC plug in areas other than

Europe.

Audio cord ..

Remote control unit...... 1 • Batteries (R03/AAA).... 2

....

..............

Overlay sheet ...............1

Contents

Introduction ..........................................

A Before applying power A Safety precautions

A IMPORTANT SAFEGUARDS

Controls and indicators System connections System control operation _________________________

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Caution: Read the pages marked A carefully to ensure safe operation.

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....................2

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...4

Operation for components connected

6 7

to the TAPE 2/ADAPTOR jacks...................................13

Graphic equalizer operation

Remote control operation ....

In case of difficulty

A Specifications

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.............14

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............17

..10operating instructions

Before applying power

Caution: Read this page carefully to ensure safe operation.

For the U.S.A. and Canada

Units shipped to the U.S.A. and Canada are designed for operation on 120 volts AC only.

CAUTION; TO PREVENT ELECTRIC SHOCK DO NOT USE

THE AC PLUG WITH AN EXTENSION CORD, RECEPTACLE OR OTHER OUTLET UNLESS THE BLADES CAN BE FULLY INSERTED TO PREVENT BLADE EXPOSURE.

For the United Kingdom

Units shipped to the U.K. are designed for operation on 240 volts AC only.

The mains plug must be removed from the wall socket prior to any internal examination.

The wires in this mains lead are coloured in accordance with the following code;

Blue

.........................

Brown

................—_________________

The wires in this mains lead must be connected to the terminals in the plug as follows:

Wire colour Plug terminal marking

Blue

....................................................

Brown

..........................................

fuse.

2. If a 3-pin plug with earthing contact is used, no wire must be connected to the E terminal.

Important!

Important I

—...............

_____

Neutral

Li-\te

N or Black

........ L or Red

For Australia and Europe

Units shipped to Australia are designed for operation on 240 V AC only.

Units shipped to Europe are designed for operation on 230 V AC only.

For other countries

Units shipped to countriesother than the above countries are equipped with an AC voltage selector switch on the rear panel. Refer to the following paragraph for the proper setting of this switch.

AC voltage selection

This unit operates on 110 -120 or 220 - 240 volts AC, The AC voltage selector switch Type A or Type B on the rear panel is set to the voltage that prevails in the area to which the unit is shipped. Before connecting the power cord to your AC outlet, make sure that the setting position of this switch matches your line voltage. If not it must be set to your voltage in accordance with the following direction.

Type A

TypeB

AC НО

ШУ-

Move switch lever to match your line voltage with a small screwdriver or other pointed tool.

Our warranty does not cover damage caused by excessive line voltage due to improper setting of the AC voltage selector switch.

importanti

Important!

AC voltage selector switch

AC110" ■ 120 V~

AC 220240 V-

AC220V- AC230 - 240V-

Safety precautions

WARNING; TO PREVENT FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE

TO RAIN OR MOISTURE.

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER-SERVICEABLE PARTS INSIDE, REFER SER VICING TO QUALIFIED SERVICE PERSONNEL.

THE LIGHTNING FLASH WITH ARROWHEAD SYMBOL. WITHIN AN EQUILATERAL TRIANGLE, IS INTENDED TO ALERT THE USER TO THE PRESENCE OF UNINSULATED "DANGEROUS VOL TAGE" WITHIN THE PRODUCT'S 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) IN STRUCTIONS IN THE LITERATURE ACCOMPANYING THE APPLIANCE.

KC-993 (En) 3

IMPORTANT SAFEGUARDS

A Caution: Read this page carefully to ensure safe operation.

Please read all of the safety and operating instructions before operating this unit. For best results, follow all warnings placed on the unit and adhere to the operating and use instructions. These safety and operating instructions should be retained for future reference.

1. Power sources - The unit should be connected to a power supply only of the type described In the operating instructions or as marked on the appliance.

2. Power-cord protection - Power-supply cords should be routed so that they are not likely to be walked on or pinched by Items placed upon or against them, pay particular attention to cords at plugs, convenience receptacles, and the point where they exit from the unit.

Never pull or stretch the cord.

3. Grounding or polarization - The precautions should be taken so that the grounding or polarization means of this unit is not defeated.

4. Ventilation - The unit should be situated so that its location or positibri^does not interfere with its proper ventilation. To maintain good ventilation, do not put records or a table-cloth on the unit. Place the unit at least 10 cm away from the walls. Do not use the unit on a bed, sofa, rug or similar surface that may block the ventilation openings.

7.Heat - The unit should be situated away from heat sources such as radiators, heat registers, stoves, or other units (including amplifiers) that produce heat.

Electric shock - Care should be taken so that objects do not fail and liquid is not spilled into the enclosure through openings. If a metal object, such as a hair pin or a needle, comes into contact with the inside of this unit, a dangerous electric shock may result. For families with children, never permit children to put anything, especially metal, inside this unit.

9. Enclosure removal - Never remove the enclosure. If the internal parts are touched accidentally, a

serious electric shock might occur.

Water and moisture-The unit should not be used nearwater-for example, neara bathtub, washbowl, kitchen sink, laundry tub, in a wet basement, or near a swimming pool, etc.

6. Temperature - The unit may not function properly if used at extremely low, or freezing temperatures. The ideal ambient temperature is above +5°C (41°F).

10.Magnetic fields- Keep the unit away from sources of magnetic fields such as TV sets, speaker systems, radios, motorized toys or magnetized objects.

11.Cleaning - Do not use volatile solvents such as alcohol, paint thinner, gasoline, or benzine, etc. to clean the cabinet. Use a clean dry cloth.

A Caution : Read this page carefully to ensure safe operation.

12.Carts and stands - An appliance and cart combination should be moved with care. Quick stops, excessive force, and uneven surfaces may cause the appliance and cart combination to

overturn.

13. Nonuse periods ~ The power cord of the unit

should be unplugged from the outlet when left un

used for a long period of time.

14. Abnormal smell - If an abnormal smell or smoke

is detected, immediately turn the power OFF and puli out the power cord. Contact your dealer or nearest service center.

POWER OFF!

15.Damage requiring service - The unit should be

serviced by qualified service personnel when: A. The power-supply cord or the plug has been damaged; or B. Objects have fallen, or liquid has been spilled into the unit; or C. The unit has been exposed to rain; or D. The unit does not appear to operate normally or exhibits a marked change in performance; or E. The unit has been dropped, or the enclosure damaged.

IG.Servicing - The user should not attempt to

service the unit beyond that described in the operating instructions. All other servicing should be referred to qualified service personnel.

17.Outdoor antenna grounding - If an outside an

tenna is connected to the receiver, be sure the an tenna system is grounded so as to provide some protection against voltage surges and built up static charges. Section 810 of the National Electrical Code, ANSI/NFPA 70, provides information with respect to proper 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. See Figure.

18. Power lines - An outdoor antenna should be lo cated away from power lines.

19. AC outlets - Do not connect other audio equipment with a power consumption larger than that specified to the AC outlet on the rear panel. Never connect other electrical units, such as an iron or toaster, to it to prevent fire or electric shock.

Notes:

1. Item 3 is not required except for grounded or polarized equipment.

2. Item 17 and 18 are not required except for units provided with antenna terminals.

3. Item 17 complies with UL in the U.S.A.

Controls and indicators

STAND BY mode of POWER key

When the power cord of this system is plugged into an AC outlet, the STAND BY indicator lights up regardless of the ON/OFF setting of the POWER switch. This indicates that a small amount of current is being supplied to the unit to back up the memory contents. This mode is referred to as the Stand By mode. While the STAND BY indicator is lit, the power of the system can be switched ON/OFF from the remote control unit.

System connections

Make connections as shown below. When connecting the related system components, refer also to the instruction manuals of the related components. Do not plug in the power lead until ail connections are completed.

Cassette deck 2 or

Notes;

1. Connect all cords firmly. If connections are loose, there could be loss sound or noise produce.

2. When plugging and unplugging connection cords, be sure to first remove the power cord from the AC outlet. Plugging/unplugging connection cords without removal of the power cord can cause malfunctions or damage to the unit,

3. Do not connect up a power source which is larger than that indicated on the socket at the rear of the unit.

System control operation

For the system control of KENWOOD system components, connect them using the system control cords as shown in the illustration below. If the power cords are connected as shown in the illustration, the power of the whole system can be switched ON/OFF from

the POWER key on the control amplifier. (For the audio cord connection, please refer to "System connections".}

Turntable

Connect the power cord of the amplifier to the UNSWITCHED AC outlet of the tuner.

To AC outlet

AC outlet

Unit destination

U.S.A., Canada

and U.S. Military

Australia

Other countries

Note; Do not connect the system control cord to the cassette deck connected to the TAPE 2/ADAPTOR jacks.

Shape of the AC outlet

u III

SWITCHED AC outlet

The power of the component connected to this kind of AC outlet is switched ON/OFF in interlocked operation with the POWER key on the main unit on which the AC outlet is installed.

8 KC-993 (En)

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