Sony STR-DE425 User Manual

3-862-354-21(L’l

FM Stereo FM'AM Receiver

Operating Instructions

STR-DE425 STR-DE325

1998 by Sony Corporation

WARNING

To prevent fire or shock

hazard, do not expose

the unit to rain or

moisture.

This symbol is intended to alert the user 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.

This symbol is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance.

IMPORTANT

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined bv turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

- Reorient or relocate the receiving antenna.

- Increase the separation between the equipment and receiver.

- Connect the equipment into an outlet on a circuit different from that to

4^'hich the receiver is connected.

- Consult the dealer or an experienced radio/TV' technician for help.

CAUTION

You are cautioned that any change or modifications not expressly approved in this manual could void your authontv to operate this equipment.

Note to CATV system installer

This reminder is provided to call the CATV system installer's attention to Article 820-40 of the NEC that provides guidelines for proper grounding and, in particular, specifies that the cable ground shall be connected to the grounding system of the building, as close to the point of cable entry as practical.

Owner's record

The model and serial numbers are located on the rear of the unit. Record the serial number in the space provided below. Refer to them whenever you call upon your Sony dealer regarding this product.

Model No. STR-DE425/STR-DE323

Serial No.

Precautions

On safety

• Should any sc4id object or liquid tall into the cabinet, unplug the receiver and have it checked bv qualified personnel before operating it anv further.

On power sources

• Before operating the receiver, check that the operating voltage is identical with your local power supply. The operating voltage is indicated on the nameplate at the rear of the receiver.

• The receiver is not disconnected from the AC power source (MAINS) as long as it is connected to the wall outlet, even if the receiver itself has been turned off.

• If you are not going to use the receiver for a long time, be sure to disconnect the receiver from the wall

outlet. To disconnect the AC power cord, grasp the plug itself; never pull the cord.

• One blade of the plug is wider than

the other for the purpose of safety and will fit into the wall outlet onl\one way. If you are unable to insert the plug fully into the outlet, contact your dealer, (US mode! onlv)

• Should the AC power cord need to be

changed, have it done at a qualified service shop only.

On placement

• Place the receiver in a location with

adequate ventilation to prevent heat build-up and prolong the life of the receiver.

• Do not place the receiver near heat

sources, or in a place subject to direct sunlight, excessive dust or mechanical shock.

• Do not place anything on top of the

cabinet that might block the ventilation holes and cause malfunctions.

On operation

• Before connecting other components, be sure to turn off and unplug the receiver.

On cleaning

• Clean the cabinet, panel and controls with a soft cloth slightlv moistened with a mild detergent solution. Do not use any tvpe of abra^iN e pad, scouring powder or solvent such as

alcohol or benz.ine.

For detailed satetv precautions, see the

•IMPORTANT SAFEGUARDS" leatlet.

If you have any question or problem concerning your receiver, please consult your nearest Sony dealer.

About This Manual

The instructions in this manual are for models STR-DE425 and STR-DE325. Check your model number by looking at the upper right corner of the front panel or lower right corner of the remote. In this manual, the STR-DE425 is the model used for illustration purposes, any difference in operation is clearly indicated in the text, for example, "STR-DE425 only".

Type of differences

Model

Feature

MIX AUDIO OUT WOOFER

5.1/DVD INPUT VIDEO MONITOR

Conventions

The instructions in this manual describe the controls on the receiver. You can also use the controls on the remote if they have the same or similar names as those on the receiver.

• A "Quick Reference Guide" is

supplied on page 23.

• The "Remote Button Descriptions"

section on page 22 provides an overview of the remote buttons.

• The following icons are used in this

manual:

Indicates that you can use only the remote to do the task. Indicates hints and tips for making the task easier.

DE425 DE325

•

Table of contents

Getting Started

Unpacking 4 Hookup Overview 4 Antenna Hookups 5 Audio Component Hookups 5 Speaker System Hookups 6 Video Component Hookups 7 AC Hookups 8 Before You Use Your Receiver 8

Receiver Operations

Selecting a Component 8 Receiving Broadcasts 11 Presetting Radio Stations 12 Recording 13 Using the Sleep Timer 13 Choosing a Surround Mode 14 Getting the Most Out of Dolby Pro Logic Surround Sound 15

Additional Information

Troubleshooting 17 Specifications 18

Glossary 19

Index 20

Rear Panel Descriptions 21

Remote Button Descriptions 22

Quick Reference Guide 23

This receiver has the Dolby Surround system. Manufactured under license from Dolby Laboratories Licensing Corporation. "Dolby "Pro Logic" and the double-D symbol □□ are trademarks of Dolby Laborattiries l.icensing Corporation.

Getting Started

Unpacking

Check that vou received the tollowing items with the receiver:

• FM wire antenna (1) ^

• AM loop antenna (1)

• Remote controller (remote) (1)

• Size AA (R6) batteries (2)

Inserting batteries into the remote

Insert two size AA (R6) batteries in accordance with the + and - markings on the battery compartment. When using the remote, point it at the remote sensor IS on the receiver.

'Q' When to replace batteries

Under normal use, the batteries should last for about 6 months. When the remote no longer operates the receiver, replace both batteries with new ones.

Notes «

• Do not leave the remote in an extremely hot or humid place.

• Do not use a new battery with an old one..

• Do not expose the remote sensor to direct sunlight or lighting apparatuses. Doing so may cause a malfunction.

• If you don't use the remote for an extended period of time, remove the batteries to avoid possible damage from battery leakage and corrosion.

Hookup Overview

The receiver allows you to connect and control the following audio/video components. Follow the hookup procedures for the components that you want to connect to the receiver on the pages specified. To learn the locations and names of each jack, see "Rear Panel Descripfions" on page 21.

Before you get started

• Turn off fhe power to all components before making any connections.

• Do not connect the AC power cords until all of the connections are completed.

• Be sure to make connections firmly to avoid hum and noise.

• When connecting an audio/video cable, be sure to match the color-coded pins to the appropriate jacks on the components: Yellow (video) to Yellow; White (left, audio) to White; and Red (right, audio) to Red.

Getting Started

Antenna Hookups

Overview

This section describes how to connect AM and FM antennas to the receiver. If you want to receive radio broadcasts with the receiv'er, complete these connections first, then go to the following pages. For specific locations of the terminals, see the illustration below.

ANTENNA

What antennas will I need?

• FM wire antenna (supplied) 0)

AM loop antenna (supplied) 0)

Q If you have poor AM reception

C'onnect a 20 to 30 it. (b to 15-mcter) insulated wire (not supplied) to the AM antenna terminal in addition to the AM loop antenna. Trv to extend the wire outdoors and keep It horizontal-

Connecting a ground wire

To prevent hum, connect a ground wire (not supplied) to the ih ground terminal. If you've connected an outdoor antenna, be sure to connect the ground for lightning protection.

Receiver

SIGNAL GND

♦

to ground

Where do I go next?

If you want to connect other components, go on to the next section. If you're only planning to use the receiver to listen to the radio, go to "Speaker System Hookups" on pages 6 and 7.

Hookups

FM wire antenna

After connecting

ting L

Receiver

AM loop antenna

the wire antenna, keep it as horizontal as possible.

''Q' If you have poor FM reception

Connect a 75-ohm coaxial cable (not supplied) to an FM outdoor antenna.

Receiver

Audio Component Hookups

Overview

This section describes how to connect your audio components to the receiver. If you want to use the receiver as an amplifier, complete these connections. For specific locations of the jacks, see the illustration below.

What cords will I need?

Audio cords (not supplied) (1 for CD player; 2 for each tape deck or MD recorder)

White (L)<=

Red (R) ‘

White (L)

Red (R)

(continued)

Getting Started

Hookups

The arrow =

CD player

Tape deck or MD recorder

^ indicates signal flow.

Receiver CD player

Receiver Tape deck or MD recorder

Where do I go next?

Go on to the next section to connect the speakers.

For optimum surround sound effect, place vour speakers as shown below.

Rear speaker

45°

What cords will I need?

Speaker cord (not supplied) (1 for each speaker)

( + )

(-)

Twist the stripped ends of the cord about 2/3 inch (15 mm). Be sure to match the speaker cord to the appropriate terminal on the components: + to + and - to -. If the cords are reversed, the sound will be distorted and will lack bass.

(+) (-)

Hookups

Front speakers

Front speaker

(R)

Receiver

Front speaker

Speaker System Hookups

Overview

This section describes how to connect your speakers to the receiver. Although front (left and right) speakers are required, center and rear speakers are optional. Adding center and rear speakers will enhance the surround effects. Connecting an active woofer will increase bass response. For specific locations of fhe terminals, see the illustration below.

WOOFER MIX AUDIO OUT (STR-DE425 only) (STR-DE325 only) FRONT SPEAKERS A

Rear and center speakers

Rear speaker

(R)

Note (except STR-DE425)

Be sure to connect the both rear speakers (L and R-). \'o sound is heard if only one speaker is connected.

Active woofer STR-DE425 only

Receiver Active woofer

Receiver Center speaker (L)

STR-DE325 only

Receiver Active woofer

Rear speaker

Note

• Do not connect any other ct)mponent.

Getting Started

If you have an additional front speaker system

Connect them to the FRONT SI’EAKHKS B terminals.

If your TV monitor uses separate speakers

You can connect one ot them to the SURROUND SPEAKER CENTER terminals for use with Dolby Pro Logic Surround sound (see page 15).

Selecting the speaker system

To drive the speakers, select the speaker system as follovcs:

To drive Depress SPEAKERS button

Speaker system A (connected to the FRONT SPEAKERS A terminals)

Speaker system B (connected to the FRÖNT SPEAKERS B terminals)

Both speaker systems A and B (series connection)

Notes

• If you want to en)oy the surround sound, be sure to connect the front speakers to the FRONT SPEAKERS A terminal.

• No sound is heard when you press SPEAKERS A+B without connecting speaker system B.

Aa-B

Where do I go next?

To complete your system, go to "AC Hookups" on page 8. If you want to connect video components to enjoy surround sound when watching/Hstening to TV programs or video tapes, go on to the next section.

• Video cable (not supplied) U for a TV monitor)

Yellow «HiSZN Yellow

Hookups

The arrow =!^ indicates signal flow.

TV/DBS

Receiver

MONITOR (STR-DE425 only)

Receiver

VCR

Receiver

VIDEO

VIDEO OUT VIDEO IN

TV tuner or Digital

broadcasting system

TV monitor

OUTPUT

VIDEO

VCR

INPUT VIDEO

Video Component Hookups

Overview

This section describes how to connect \’ideo components to the receiver. For specific locations of the jacks, see the illustration below.

5.1/DVD INPUT

What cables will I need?

• Audio/video cable (not supplied) (1 tor each TV tuner or Digital broadcasting system; 2 tor the \‘CR)

Yellow

White (L)

Red (R)

Yellow White (L) Red (R)

r®@- ■© @1

fm AUDIO OUT AUDIO IN

* STR-DE425 only

DVD player/AC-3 decoder (STR-DE425 only)

Q You can play decoded Dolby Digital AC-3

soundtracks through the speakers connected to the amplifier.

If you have a Dolby Digital AC-3 decoder you can amplify a decoded Dolby Digital AC-3 soundtrack with the following connections.

Receiver

AUDIO AUDIO

Dolby Digital AC-3

decoder (etc.)

+ 15 hidden pages