Yamaha Audio APD-1 User Manual

Natural Sound RF Demodulator

APD-1

ENGLISH

Thank you for selecting this YAMAHA RF demodulator.

This unit converts DOLBY DIGITAL AC-3 RF signal sent from a
laserdisc player (with DOLBY DIGITAL AC-3 RF output) etc. to
both optical and coaxial digital signals.

Digital signals converted in this unit are output from both the OPTICAL
and COAXIAL digital signal output terminals respectively.

SAFETY INSTRUCTIONS

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

CAUTION: TO REDUCE THE RISK OF

ELECTRIC SHOCK, DO NOT REMOVE

COVER (OR BACK). NO USER-SERVICEABLE

PARTS INSIDE. REFER SERVICING TO

QUALIFIED SERVICE PERSONNEL.

Explanation of Graphical Symbols

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The lightning flash with arrowhead
symbol, within an equilateral triangle,
is intended to alert you to the
presence of uninsulated “dangerous
voltage” 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
you to the presence of important
operating and maintenance
(servicing) instructions in the
literature accompanying the
appliance.

WARNING

TO REDUCE THE RISK OF FIRE OR
ELECTRIC SHOCK, DO NOT EXPOSE THIS
UNIT TO RAIN OR MOISTURE.

1 Read Instructions – All the safety and operating instructions should

be read before the unit is operated.

2 Retain Instructions – The safety and operating instructions should be

retained for future reference.

3 Heed Warnings – All warnings on the unit and in the operating

instructions should be adhered to.

4 Follow Instructions – All operating and other instructions should be

followed.

5 Water and Moisture – The unit should not be used near water – for

example, near a bathtub, washbowl, kitchen sink, laundry tub, in a
wet basement, or near a swimming pool, etc.

6 Carts and Stands – The unit should be used only with a cart or stand

that is recommended by the manufacturer.

6A A unit and cart combination should be moved with

care. Quick stops, excessive force, and uneven
surfaces may cause the unit and cart combination to
overturn.

OWNER’S MANUAL

MODE D’EMPLOI

BEDIENUNGSANLEITUNG

BRUKSANVISNING

MANUALE DI ISTRUZIONI

MANUAL DE INSTRUCCIONES

GEBRUIKSAANWIJZING

This unit is useful for connecting a laserdisc player etc. whose
DOLBY DIGITAL AC-3 output is an RF output only to a Dolby
Digital Decoder or an amplifier equipped with a Dolby Digital
Decoder which dose not have a DOLBY DIGITAL AC-3 RF signal
input terminal.

7 Wall or Ceiling Mounting – The unit should be mounted to a wall or

ceiling only as recommended by the manufacturer.

8 Ventilation – The unit should be situated so that its location or

position does not interfere with its proper ventilation. For example,
the unit should not be situated on a bed, sofa, rug, or similar surface,
that may block the ventilation openings; or placed in a built-in
installation, such as a bookcase or cabinet that may impede the flow
of air through the ventilation openings.

9 Heat – The unit should be situated away from heat sources such as

radiators, stoves, or other appliances that produce heat.

10 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 unit.

11 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, paying particular attention to cords at plugs,
convenience receptacles, and the point where they exit from the unit.

12 Cleaning – The unit should be cleaned only as recommended by the

manufacturer.

13 Nonuse Periods – The power cord of the unit should be unplugged

from the outlet when left unused for a long period of time.

14 Object and Liquid Entry – Care should be taken so that objects do not

fall into and liquids are not spilled into the inside of the unit.

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 cabinet damaged.

16 Servicing – The user should not attempt to service the unit beyond

those means described in the operating instructions. All other
servicing should be referred to qualified service personnel.

17 Power Lines – An outdoor antenna should be located away from

power lines.

18 Grounding or Polarization – Precautions should be taken so that the

grounding or polarization is not defeated.

IMPORTANT

Please record the serial number of this unit in the space below.
Serial No.:
The serial number is located on the rear of the unit.
Retain this Owner’s Manual in a safe place for future reference.

Manufactured under license from Dolby Laboratories Licensing
Corporation. “Dolby”, “AC-3”, and the double-D symbol are trademarks
of Dolby Laboratories Licensing Corporation.

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SPECIAL NOTES FOR FCC COMPOSITE DEVICE (for US
customers only)

This device is a composite system. The digital device component may
not cause harmful interference.

FCC INFORMATION (for US customers only)

1. IMPORTANT NOTICE : DO NOT MODIFY THIS UNIT!

This product, when installed as indicated in the instructions contained in this
manual, meets FCC requirements. Modifications not expressly approved by
Yamaha may void your authority, granted by the FCC, to use the product.

2. IMPORTANT : When connecting this product to accessories and/or
another product use only high quality shielded cables. Cable/s
supplied with this product MUST be used. Follow all installation
instructions. Failure to follow instructions could void your FCC
authorization to use this product in the USA.

3. NOTE : This product has been tested and found to comply with the
requirements listed in FCC Regulations, Part 15 for Class “B” digital
devices. Compliance with these requirements provides a reasonable
level of assurance that your use of this product in a residential
environment will not result in harmful interference with other electronic
devices.

This equipment generates/uses radio frequencies and, if not installed
and used according to the instructions found in the users manual, may
cause interference harmful to the operation of other electronic devices.

Compliance with FCC regulations does not guarantee that interference
will not occur in all installations. If this product is found to be the
source of interference, which can be determined by turning the unit
“OFF” and “ON”, please try to eliminate the problem by using one of
the following measures:

Relocate either this product or the device that is being affected by the
interference.

Utilize power outlets that are on different branch (circuit breaker or
fuse) circuits or install AC line filter/s.

In the case of radio or TV interference, relocate/reorient the antenna. If
the antenna lead-in is 300 ohm ribbon lead, change the lead-in to
coaxial type cable.

If these corrective measures do not produce satisfactory results,
please contact the local retailer authorized to distribute this type of
product. If you can not locate the appropriate retailer, please contact
Yamaha Electronics Corp., U.S.A. 6660 Orangethorpe Ave, Buena
Park, CA 90620.

The above statements apply ONLY to those products distributed by
Yamaha Corporation of America or its subsidiaries.

CAUTION (FOR CANADA MODEL)

TO PREVENT ELECTRIC SHOCK, MATCH WIDE BLADE OF PLUG
TO WIDE SLOT AND FULLY INSERT.

CAUTION :
READ THIS BEFORE OPERATING YOUR UNIT.

1. To assure the finest performance, please read this manual carefully.

Keep it in a safe place for future reference.

2. Install this unit in a cool, dry, clean place – away from windows, heat

sources, sources of excessive vibration, dust, moisture and cold.
Avoid sources of humming (transformers, motors). To prevent fire or
electrical shock, do not expose the unit to rain or water.

3. Never open the cabinet. If something drops into the set, contact your

dealer.

4. Do not use force on switches, controls or connection wires. When

moving the unit, first disconnect the power plug and the wires
connected to other equipment. Never pull the wires themselves.

5. Digital signals generated by the unit may interefer with other

equipment such as tuners, receivers or TVs. Move the system farther
away from such equipment if interference is observed.

6. Do not attempt to clean the unit with chemical solvents; this might

damage the finish. Use a clean, dry cloth.

7. When not planning to use this unit for long periods of time (ie.,

vacation, etc.), disconnect the AC power plug from the wall outlet.

8. To prevent lightning damage, disconnect the AC power plug and

disconnect the antenna cable when there is an electrical storm.

9. Grounding or polarization – Precautions should be taken so that the

grounding or polarization of an appliance is not defeated.

10. The voltage to be used must be the same as that specified on this

unit. Using this unit with a higher voltage than that which is specified
is dangerous and may result in a fire or other type of accident
causing damage. YAMAHA will not be held responsible for any
damage resulting from use of this unit with a voltage other than that
which is specified.

11. Voltage Selector (General Model only)

The voltage selector on the rear panel of this unit must be set
for your local main voltage BEFORE plugging into the AC main
supply.
Voltages are 110-120/220-240 V AC, 50/60 Hz.

For U.K. customers

If the socket outlets in the home are not suitable for the plug supplied with
this appliance, it should be cut off and an appropriate 3 pin plug fitted. For
details, refer to the instructions described below.
Note: The plug severed from the mains lead must be destroyed, as a plug
with bared flexible cord is hazardous if engaged in a live socket outlet.

Special Instructions for U.K. Model

FOR CANADIAN CUSTOMER

THIS CLASS B DIGITAL APPARATUS MEETS ALL REQUIREMENTS
OF THE CANADIAN INTERFERENCE-CAUSING EQUIPMENT
REGULATIONS.

We Want You Listening For A Lifetime
(for US customers only)

YAMAHA and the Electronic Industries Association’s Consumer
Electronics Group want you to get the most out of your equipment by
playing it at a safe level. One that lets the sound come through loud and
clear without annoying blaring or distortion – and, most
importantly, without affecting your sensitive hearing.
Since hearing damage from loud sounds is often undetectable
until it is too late, YAMAHA and the Electronic Industries
Association’s Consumer Electronics Group recommend you to
avoid prolonged exposure from excessive volume levels.

IMPORTANT

THE WIRES IN THE MAINS LEAD ARE COLOURED IN
ACCORDANCE WITH THE FOLLOWING CODE:

Blue: NEUTRAL
Brown: LIVE

As the colours of the wires in the main lead of this apparatus may not
correspond with the coloured markings identifying the terminals in your
plug, proceed as follows:
The wire which is coloured BLUE must be connected to the terminal
which is marked with the letter N or coloured BLACK. The wire which
is coloured BROWN must be connected to the terminal which is
marked with the letter L or coloured RED. Make sure that neither core
is connected to the earth terminal of the three pin plug.

The apparatus is not disconnected from the AC power source as long
as it is connected to the wall outlet, even if the apparatus itself is
turned off.

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