Meridian Americaメーカー504の使用説明書/サービス説明書
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Meridian 504 Stereo FM Tuner user guide.
Preface ii Sales and service in the UK Meridian Audio Ltd Stonehill Stukeley Meadows Cambs PE18 6ED England Tel (01480) 52144 Fax (01480) 459934 World Wide Web http://www.
iii Preface Contents Introduction 1 Introduces the 504 Stereo FM Tuner, and provides an overview of the other products available in the Meridian 500 Series. The Meridian 500 Series ........................ 2 Sample configurations .....................
Preface iv.
Intr oduction I n choosing the 504 Stereo FM Tuner you have acquired a component that combines major advances in audio and user interface design. The 504 Stereo FM Tuner uses dual-gate MOSFET RF amplifiers for high sensitivity, together with a Walsh function stereo decoder for low distortion and extra HF bandwidth.
2 Introduction The Meridian 500 Series The Meridian 500 Series is a unique system of digital, analogue, and video components designed to meet the demand for absolute quality, ease of use, and lasting value.
Introduction 3 Sample configurations 500 Compact Disc Transport 504 500 562 DSP5000 DSP5000 A500 504 506 501 555 A500 506 20-Bit CD Player The 506 20-Bit CD Player is an integrated CD transport and converter, providing both digital and analogue outputs.
4 Introduction 566 20-Bit Digital to Analogue Converter 502 Analogue Controller A500 566 500 557 A500 502 The digital output provided by the 500 Compact Disc Transport can be decoded by the 566 20-Bit Digital to Analogue Converter to provide a high-quality audio output for use with a conventional audio preamplifier.
Introduction 5 562V Multimedia Controller LaserDisc Video recor der 500 562V Television 504 Satellite DSP6000 DSP6000 The 562V Multimedia Controller is the ideal control unit for use with the Meridian DSP6000 Digital Loudspeakers.
6 Introduction Specification and accessories Specification Sensitivity 1.5 µ V mono, 23 µ V stereo, 100 µ V ult. Distortion <0.2% mono, <0.4% stereo. Noise -70dB. Display Eight character alphanumeric dot matrix display for station name, frequency, and preset.
Using the FM tuner T his chapter provides a visual summary of the functions of the FM tuner in order to identify and help explain each of the controls which you will use to operate the unit.
Using the FM tuner 8 Fr ont panel 1 V (Down) Scans or steps down in frequency. 2 A (Up) Scans or steps up in frequency. 3 Mono Selects mono/stereo. 4 Store Stores a preset frequency. 5 Display Selects the information displayed. 6 [ (Previous) Selects the previous station.
Using the FM tuner 9 Selecting a station During normal use the FM tuner should be left in the standby state. This uses a negligible amount of electricity, but ensures that the components of the FM tuner operate at maximum efficiency from the moment you start listening to a station.
Using the FM tuner 10 T uning manually You use manual tuning to programme the preset stations, or to select stations that you have not assigned to one of the presets. The 504 Stereo FM Tuner is initially set up to use seek tuning. In this mode it automatically searches for stations, and stops when it finds one.
Using the FM tuner 11 Selecting ster eo or mono The 504 Stereo FM Tuner will automatically decode a stereo transmission when one is received, and the front panel Stereo indicator will appear. You may wish to turn off the stereo decoder on a marginal transmission, to reduce the background hiss or birdies.
Using the FM tuner 12 Defining preset stations The FM tuner allows you to define up to 30 preset stations, so that you can select them immediately from the front panel or remote. For convenience you can assign a label to the presets to make them easy to identify.
Using the FM tuner 13 To programme a preset ● Press [ ( Previous ) or ] ( Next ) until the preset you want to programme is displayed, or type the preset number (remote only). ● Tune the station by pressing A ( Up ) or V ( Down ); see Tuning manually , page 10.
Using the FM tuner 14 Choosing the display To change the display ● Press Display . Each time you press the key, the display will step between the following display options: Display Example Preset label. This is the usual display. Radio 3 Blank. Preset number and tuning meter.
Using the FM tuner 15 Setting up the FM tuner For many users the only change they will want to make to the standard operation of the 504 Stereo FM Tuner is to define the preset stations. However, the 504 Stereo FM Tuner contains several customisable features that you can programme to suit your requirements.
Using the FM tuner 16 To set up the preset labels ● Turn off the FM tuner, using the power switch on the back panel. ● Turn on the power again while holding down the Store key on the front panel.
Setting up the FM tuner T his chapter explains how to install the FM tuner. It describes what you should find when you unpack the FM tuner, how you should connect it to your other audio equipment, and the siting constraints. Before you begin installation, you should ensure that your FM tuner is the correct voltage for your local AC supply.
Setting up the FM tuner 18 Unpacking The 504 Stereo FM Tuner comes in a box containing the following components: ❍ 504 Stereo FM Tuner. ❍ 1 power cord. ❍ 1 COMMS lead, to connect the FM tuner to another Meridian 500 Series unit. ❍ 1 RF connector.
Setting up the FM tuner 19 Back panel Connecting the FM tuner The 504 Stereo FM Tuner is a very sophisticated unit, which will deliver superb quality sound. However, unless the signal delivered to the antenna socket of the 504 is of sufficient strength and quality, you will not enjoy the maximum benefits of your new tuner.
Setting up the FM tuner 20 To connect to a conventional preamplifier ● Connect the sockets marked OUTPUT L and R on the back panel of the FM tuner to an appropriate input on your preamplifier. You should consult the manufacturer’s manual to determine which input to use, but it will generally be labelled TUNER, RADIO, or AUX.
Setting up the FM tuner 21 This is the unit that will respond to the remote. All the other units will be configured as non-controllers, and display: N.
Setting up the FM tuner 22 To connect to a 501 Control Unit COMM COMMS 500 comms lead RADIO OUTPUT 501 Contr ol Unit 504 Stereo FM T uner Audio lead RF Antenna ● Connect the sockets marked OUTPUT L and R on the back panel of the FM tuner to the RADIO input on the back panel of the 501 Control Unit.
Setting up the FM tuner 23 This section describes problems you may encounter when using the FM tuner, and includes suggested solutions. If these suggestions fail to cure the problem, please contact your Meridian dealer for further assistance. No standby display is shown ❍ Check that your AC power supply is connected correctly.
Setting up the FM tuner 24 There is interference to radio and/or television reception when the FM tuner is switched on Before following the steps below, ensure all units are switched off first.
Setting up the FM tuner 25 Maintenance Cleaning When cleaning the FM tuner bear in mind that the front of the FM tuner is plastic, and the display panel and lid are glass. Disconnect the power cord before cleaning the unit. Note: Do not use abrasive cleaners on any part of the FM tuner.
Setting up the FM tuner 26 Service and guarantee Service The Meridian 500 Series of hi-fi components have been carefully designed to give years of untroubled service. There are no user- serviceable parts inside the case, nor do the units require any form of maintenance.
27 Index Index M Maintenance 25 Meridian 500 Series 2 500 Compact Disc Transport 3, 4 501 Control Unit 3 502 Analogue Controller 4 504 Stereo FM Tuner 3 506 20-Bit CD Player 3 555 Stereo Power Amplifi.
Index 28 Stations defining presets 12 selecting 9 tuning 10 Steptune 10, 15 Stop strength 10, 15 Switching on from standby 9 Switching to standby 9 T Troubleshooting 23 Tuning manually 10 Tuning meter.
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