Sherwood RD-7108 User Manual

Sherwood RD-7108 User Manual

Sherwood rd-7108: user guide

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Introduction
U N P A C K I N G
Congratulations on Your Purchase!
Your new high fidelity receiver is designed to deliver
maximum enjoyment and years of trouble free service.
Please take a few moments to read this manual
thoroughly. It will explain the features and operation of
your unit and help ensure a trouble free installation.
Please unpack your unit carefully. We recommend that
you save the carton and packing material. They will be
helpful if you ever need to move your unit and may be
required if you ever need to return it for service. Your unit
is designed to be placed in a horizontal position and it is
important to allow at least two inches of space behind
your unit for adequate ventilation and cabling
convenience.
To avoid damage, never place the unit near radiators, in
front of heating vents, in direct sunlight, or in excessively
humid or dusty locations. Connect your complementary
components as illustrated in the following section.
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.
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.
WARNING
To reduce the risk of fire or electric shock, do not expose
this appliance to rain or moisture.
Caution : Do not block ventilation openings or stack
other equipment on the top.
A N D
FOR U.S.A
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.
FCC INFORMATION
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 by
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 which the receiver is
connected.
Consult the dealer or an experienced radio/TV
technician for help.
CAUTION: Any changes or modifications in
construction of this device which are not expressly
approved by the party responsible for compliance
could void the user's authority to operate the
equipment.
Caution regarding placement
(Except for U.S.A and Canada)
To maintain proper ventilation, be sure
to leave a space around the unit (from
the largest outer dimensions including projections)
equal to, or greater than, shown below.
Left and right panels: 5 cm
Rear panel: 5 cm
Top panel: 20 cm
2

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Table of Contents
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Summary of Contents for Sherwood RD-7108

  • Page 1: Introduction Unpacking And Installation

    Introduction U N P A C K I N G Congratulations on Your Purchase! Your new high fidelity receiver is designed to deliver maximum enjoyment and years of trouble free service. Please take a few moments to read this manual thoroughly.
  • Page 2: Read This Before Operating Your Unit

    READ THIS BEFORE OPERATING FOR U.S.A AND CANADA ... 120 V FOR YOUR SAFETY Units shipped to the U.S.A and Canada are designed for operation on 120 V AC only. Safety precaution with use of a polarized AC plug. However, some products may be supplied with a nonpolarized plug.
  • Page 3: Table Of Contents

    CONTENTS Introduction UNPACKING AND INSTALLATION ... 2 READ THIS BEFORE OPERATING YOUR UNIT ... 3 System Connections ... 5 Front Panel Controls ... 8 DIGI LINK III System Remote Controls REMOTE CONTROL OPERATION RANGE... 10 LOADING BATTERIES... 10 Operations LISTENING TO A PROGRAM SOURCE ... 11 SURROUND SOUND...
  • Page 4: System Connections

    • Be sure to observe the color coding when connecting audio and video cords. • Make connections firmly and correctly. If not, it can cause loss of sound, noise or damage to the receiver. • If the electricity fails or the AC input cord is left unplugged for more than 2 weeks, the memorized contents will be cleared.
  • Page 5 TV tuner, an LD player or satellite system. Note : • When Sherwood DVD player such as V-756, etc. is connected to the DIGI LINK jack for system control, you should connect the DVD player to the “VIDEO 2”...
  • Page 6: Connecting Speakers

    7 . CONNECTING SPEAKERS • Be sure to connect speakers firmly and correctly according to the channel(left and right) and the polarity(+ and -). If the connections are faulty, no sound will be heard from the speakers, and if the polarity of the speaker connection is incorrect, the sound will be unnatural and lack bass.
  • Page 7: Front Panel Controls

    Front Panel Controls 25 24 23 22 AUDIO/VIDEO RECEIVER RD-7108 POWER STANDBY ON/STANDBY PHONES SPEAKER ON/OFF 1. POWER switch 2. STANDBY button/indicator 3. HE A D P H O N E jack 4. SPEAKER button/indicator 5. CHANNEL SELECTOR button 6. ADJUST U P / D O W N( / ) buttons 7.
  • Page 8: Digi Link Iii System Remote Controls

    DIGI LINK III System Remote Controls • You can remotely control not only this receiver but also Sherwood compatible components bearing the DIGI LINK II or III logo. • For system remote control operation, first make the DIGI LINK connections.
  • Page 9: Remote Control Operation Range

    AUDIO/VIDEO RECEIVER RD-7108 POWER REMOTE ST TUNED TIME DIRECT SENSOR DTS ES DIGITAL EX PRO LOGIC II C M DSP AUTO DIGITAL INPUT SELECTOR SURROUND MODE STANDBY AUDIO VIDEO 7CH DIRECT AUTO DSP MODE ON/STANDBY PHONES SPEAKER CHANNEL SPEAKER DYNAMIC...
  • Page 10: Operations

    • Each time the STANDBY button on the front panel or the POWER button on the remote control is pressed, the receiver is turned on to enter the operating mode or off to enter the standby mode. • In the standby mode, if the INPUT SELECTOR button is pressed, the receiver is turned on automatically and the desired input is selected.
  • Page 11 When CD, VIDEO 1~3 is selected as an input source Select the digital or analog input connected as desired. DIGITAL INPUTS • Each time this button is pressed, the corresponding input is selected as follows ; A(nalog) c(oaxial) 1 c(oaxial) 2 o(ptical) 1 •...
  • Page 12: Listening To A Program Source

    Adjusting the tone(bass and treble) Enter the tone mode. TONE MODE • Each time this button is pressed, the corresponding tone mode is selected and shown for several seconds as follows: BASS TRBL(treble) TONE ON • When the tone mode is off, “TONE OFF” is shown. At the desired tone mode, adjust the tone as desired.
  • Page 13: Surround Sound

    SURROUND SOUND • This receiver incorporates a sophisticated Digital Signal Processor that allows you to create optimum sound quality and sound atmosphere in your personal Home Theater. Surround modes DTS Digital Surround DTS Digital Surround(also called simply DTS) is a multi- channel digital signal format which can handle higher data rates than Dolby Digital.
  • Page 14 Dolby Pro Logic Dolby Pro Logic is a specially encoded two channel surround format which consists of four channels ( front left, center, front right and surround). Sources bearing the “ ” provide the theater-like surround sound. DOLBY SURROUND The surround channel is monaural, but is played through both surround speakers.
  • Page 15: Speaker Placement

    Speaker placement Ideal speaker placement varies depending on the size of your room and the wall coverings, etc. The typical example of speaker placement and recommendations are as follows : Front left and right speakers and center speaker Place the front speakers with their front surfaces as flush with TV or monitor screen as possible.
  • Page 16 Adjusting the speaker settings • After you have installed this unit and connected all the components, you should adjust the speaker settings for the optimum sound acoustics according to your environment and speaker layout. • There are two kinds of speaker settings for speaker size and speaker distance. Speaker size settings Select the corresponding settings depending on the sizes of the connected speakers and whether the speakers are connected or not.
  • Page 17 Refer to the previous page and adjust the speaker settings Note : When the SPEAKER button is set to off or the 7 CH DIRECT is selected as an input source, the speaker setting function cannot be available. When selecting each setting mode POWER TUNER VIDEO1...
  • Page 18: Enjoying Surround Sound

    ENJOYING SURROUND SOUND Depending on the input digital signal format, select the desired decoding mode. AUTO AUTO Notes : • Only when the digital input is selected as signal input for the input sources except TUNER, TAPE and AUX, the decoding mode can be selected.
  • Page 19 To cancel the surround mode for stereo operation STEREO • Then the stereo mode is selected. • To cancel the stereo mode, select the desired surround mode with using the DSP MODE Adjusting the Dolby Pro Logic II Music parameters •...
  • Page 20 Adjusting each channel level Select the desired channel. POWER P .SCAN TUNER TAPE VIDEO1 VIDEO2 VIDEO3 7CH DIR DISC REPEAT CHANNEL A<>B INTRO SELECTOR DECK SEL TAPE AUTO STEREO MUTE T.TONE VOL. LEVEL LEVEL CH.SEL CH.SEL SLEEP DIMMER VOL. SPK SET PARA.
  • Page 21 At each channel, adjust the level as desired until the sound level of each speaker is heard to be equally loud. POWER P .SCAN TUNER TAPE VIDEO1 VIDEO2 VIDEO3 7CH DIR DISC REPEAT A<>B INTRO ADJUST DECK SEL TAPE AUTO STEREO MUTE T.TONE...
  • Page 22: Listening To Radio Broadcasts

    LISTENING Auto tuning Select the tuner. POWER P .SCAN TUNER TAPE TUNER VIDEO1 VIDEO2 VIDEO3 7CH DIR DISC REPEAT A<>B INTRO AUDIO DECK SEL TAPE AUTO STEREO MUTE T.TONE VOL. LEVEL CH.SEL LEVEL SLEEP DIMMER VOL. SPK SET PARA. ADJUST REMOTE CONTROL UNIT RM-109 Select the tuning mode.
  • Page 23 SPK SET PARA. ADJUST REMOTE CONTROL UNIT RM-109 • The receiver will start scanning the stations in the preset sequence and each station is received for 5 seconds. • At the desired station, press this button again to stop scanning. TUNING/PRESET within 2 seconds P .SCAN...
  • Page 24: Recording

    RECORDING • The analog signals from the 7 CH DIRECT inputs as well as the digital signals from the coaxial or optical digital input can be heard but cannot be recorded. • The volume and tone (bass, treble) settings have no effect on the recording signals. Recording with TAPE Select the desired input as a recording source except for TAPE.
  • Page 25: Other Functions

    • While operating the sleep timer, “SLEEP” lights up. • When the sleep time is selected, all display panels of Sherwood components connected by the DIGI LINK III are dimly lit. Start play on the VIDEO 2 and the CD respectively.
  • Page 26: Troubleshooting Guide

    If a fault occurs, run through the table below before taking your receiver for repair. If the fault persists, attempt to solve it by switching the receiver off and on again. If this fails to resolve the situation, consult your dealer. Under no circumstances should you attempt to repair the receiver yourself. This could void the warranty.
  • Page 27: Specifications

    Specifications AMPLIFIER SECTION Power output, stereo mode, 6 Ω, THD 0.2 %, 40 Hz~20 kHz ... 2 100 W Total harmonic distortion, 6 Ω, 95 W, 1 kHz ... 0.09% Intermodulation distortion 60 Hz : 7 kHz= 4 : 1 SMPTE, 6 Ω, 95 W ... 0.1% Input sensitivity, 47 kΩ...

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