e i d u g r e s u Meridian 504 Stereo FM Tuner
Sales and service in the UK Meridian Audio Ltd Stonehill Stukeley Meadows Sales and service in the USA Cambs PE18 6ED Meridian America Inc England 3800 Camp Creek Parkway Building 2400 Tel (01480) 52144 Fax (01480) 459934 Suite 112 Atlanta Digital Gramophone and Wireless Ltd GA 30331 Stonehill Stukeley Meadows World Wide Web http://www.meridian.co.
Contents Introduction 1 Introduces the 504 Stereo FM Tuner, and provides an overview of the other products available in the Meridian 500 Series. Using the FM tuner 7 The Meridian 500 Series ........................ 2 Provides step-by-step instructions on how Sample configurations ........................... 3 to operate the FM tuner, using either the Specification and accessories ............... 6 front panel or the Meridian System Setting up the FM tuner 17 Remote.
iv Preface
Introduction In 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. The eight-character display can be programmed to show station names for ease of access, and all functions can be remotely controlled from the Meridian System Remote.
The Meridian 500 Series The Meridian 500 Series is a unique system of digital, analogue, 500 Series communications and video components designed to meet the demand for absolute quality, ease of use, and lasting value. The Meridian 500 Series includes a sophisticated communications link, to ensure that any configuration of units The flexibility of the Meridian 500 Series is such that you can will work together as a fully integrated system.
Sample configurations 506 20-Bit CD Player 500 Compact Disc Transport DSP5000 A500 DSP5000 A500 506 501 500 504 555 504 562 The 500 Compact Disc Transport provides a precision digital converter, providing both digital and analogue outputs. output, and can drive DSP5000 Digital Loudspeakers directly.
566 20-Bit Digital to Analogue Converter 502 Analogue Controller A500 A500 500 557 Introduction 566 4 502 The digital output provided by the 500 Compact Disc Transport The 502 Analogue Controller is a full function preamplifier for use can be decoded by the 566 20-Bit Digital to Analogue Converter with any analogue source, and includes balanced inputs to allow to provide a high-quality audio output for use with a you to take advantage of balanced sources, including the 566 conventional audio
562V Multimedia Controller DSP6000 DSP6000 Satellite Video recorder 504 Television LaserDisc 500 562V The 562V Multimedia Controller is the ideal control unit for use conventional analogue sources such as the 504 Stereo FM with the Meridian DSP6000 Digital Loudspeakers. Tuner and video sound.
Specification and accessories Specification Meridian Audio reserves the right to amend product specifications at any time. Sensitivity 1.5µV mono, 23µV stereo, 100µV ult. Distortion <0.2% mono, <0.4% stereo. Noise -70dB. Display Eight character alphanumeric dot matrix display for station name, frequency, and preset. Stereo indicator. Finish Black textured enamel and glass. Dimensions 88mm x 321mm x 332mm (3.46" x 12.64" x 13.07"). Weight 6.4kg (14lbs). Input 87.0 – 108MHz.
Using the FM tuner This 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. It also describes all aspects of using the FM tuner, beginning with essential instructions such as switching on and selecting a station, to the more advanced setup options. Unless otherwise specified, each function is available from the front panel or the remote.
Front panel 1 V (Down) Scans or steps down in frequency. 2 A (Up) Display Scans or steps up in frequency. 3 Mono Selects mono/stereo. BOOTHROYD STUART Radio 504 V Stereo FM Tuner A Mono Store Display [ 3 ] Off 4 Store Stores a preset frequency. 5 Display Selects the information Using the FM tuner displayed. 8 1 2 3 4 5 6 7 8 6 [ (Previous) Selects the previous station. 7 ] (Next) Selects the next station. 8 Off Switches to standby.
Selecting a station ● Keeping either key held down will step through the preset 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 stations in turn. Note that before using the FM tuner for the first time you may efficiency from the moment you start listening to a station.
Tuning manually You use manual tuning to programme the preset stations, or to To search for a station select stations that you have not assigned to one of the presets. ● Press A (Up) to seek upwards in frequency, or V (Down) to The 504 Stereo FM Tuner is initially set up to use seek tuning. In seek downwards in frequency. this mode it automatically searches for stations, and stops when it finds one.
Selecting stereo or mono The 504 Stereo FM Tuner will automatically decode a stereo To switch to stereo transmission when one is received, and the front panel Stereo indicator will appear. ● Press Mono twice. You may wish to turn off the stereo decoder on a marginal The display will show: Stereo transmission, to reduce the background hiss or birdies. The Stereo indicator will be displayed if the transmission is The Mono setting can be stored with the station frequency in stereo.
Defining preset stations The FM tuner allows you to define up to 30 preset stations, so You can also choose which preset station is selected when you that you can select them immediately from the front panel or switch on the FM tuner; see To choose the station at switch-on remote. opposite. For convenience you can assign a label to the presets to make them easy to identify.
To programme a preset To choose the station at switch-on ● Press [ (Previous) or ] (Next) until the preset you want to ● Select the preset you want to choose. programme is displayed, or type the preset number (remote only). ● Tune the station by pressing A (Up) or V (Down); see Tuning ● Press Store. The display will show: Stored manually, page 10. ● If the station is marginal, and you want it to be preset to This station will now be selected when the tuner is turned on. Mono, press Mono.
Choosing the display To change the display To use the tuning meter ● Press Display. ● Press Display until the tuning meter is displayed. Each time you press the key, the display will step between the This shows the preset number, the signal strength from 1 to 8, following display options: and the tuning position. Display Preset label. This is the usual display. The following table shows what the different displays mean: Example Radio 3 Display What it means ≤≤5 tune. Blank.
Setting up the FM tuner For many users the only change they will want to make to the The following table shows the options you can set up. standard operation of the 504 Stereo FM Tuner is to define the Option preset stations. Maximum number of However, the 504 Stereo FM Tuner contains several customisable features that you can programme to suit your requirements. presets (1 to 30). Tuning method (Seektune or Steptune).
To set up the preset labels If there was previously no label the display will be blank. ● Turn off the FM tuner, using the power switch on the back A flashing block cursor shows which character you can change. panel. ● Turn on the power again while holding down the Store key on the front panel. The display will show: It will then show the first preset number… ● Press A (Up) or V (Down) to change the character. The character cycles through the symbols: 0 – 9, a – z, A – Z, ., Labels and space.
Setting up the FM tuner This 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. If it is not, do not try to install the FM tuner, and contact your dealer.
Unpacking The 504 Stereo FM Tuner comes in a box containing the Radio interference following components: FCC Warning: This equipment generates and can radiate radio ❍ 504 Stereo FM Tuner. frequency energy and if not installed and used correctly in ❍ 1 power cord. accordance with our instructions may cause interference to ❍ 1 COMMS lead, to connect the FM tuner to another Meridian radio communications or radio and television reception. It has 500 Series unit.
Connecting the FM tuner Back panel OFF OUTPUT ON L R COMM RF Input, 75Ω (Meridian Comms Only) Comms connections To connect an antenna Antenna input Phono outputs The 504 Stereo FM Tuner is a very sophisticated unit, which will delivered to the antenna socket of the 504 is of sufficient to the socket marked ‘RF input’ on the back of the tuner. You strength and quality, you will not enjoy the maximum benefits of are advised to use a high-quality, low-loss coaxial cable. Cables your new tuner.
To connect to a conventional preamplifier To connect to other Meridian 500 Series equipment ● Connect the sockets marked OUTPUT L and R on the back ● Connect one of the COMMS sockets on the back panel of the panel of the FM tuner to an appropriate input on your FM tuner to one of the COMMS socket on another 500 Series preamplifier. unit, using the 500 comms lead provided. You should consult the manufacturer’s manual to determine The sequence in which you connect the units is not important.
This is the unit that will respond to the remote. All the other units will be configured as non-controllers, and display: N.Con. To connect to Meridian 600 or 200 Series equipment If your system includes any Meridian 600 or 200 Series units, with 600 COMMS or 200 COMMS sockets, you should set all Your system is now set up and ready for use.
To connect to a 501 Control Unit 501 Control Unit COMM 504 Stereo FM Tuner RADIO COMMS Audio lead RF OUTPUT Antenna 500 comms lead ● 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 Setting up the FM tuner the 501 Control Unit.
Troubleshooting 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. ❍ Check that all the connections are correctly made. ❍ Check that the antenna is of good quality, and has a coaxial (unbalanced) output. ❍ If the RF signal is coming from a head amplifier or distribution amplifier, check that it is switched on.
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. If this equipment does cause or suffer from interference to/from radio or television reception then the following measures should be tried: ❍ Reorient the receiving aerial (or antenna) or route the antenna cable of the receiver as far as possible from the 504 Stereo Setting up the FM tuner FM Tuner and its cabling.
Maintenance Cleaning To change the mains fuse Fuse Spare 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. To clean the case, display panel, and keypad ● Use a slightly damp cloth. the power input to access the fuses. Before replacing a blown fuse, if possible ascertain the cause of the failure.
Service and guarantee Service Guarantee The Meridian 500 Series of hi-fi components have been carefully The 504 Stereo FM Tuner is guaranteed against defects in designed to give years of untroubled service. There are no user- material and workmanship for 2 years from the date of purchase. serviceable parts inside the case, nor do the units require any form of maintenance.
Index A Accessories 6 M C Changing the display 14 500 Compact Disc Transport Cleaning 501 Control Unit 3 the audio connections 25 502 Analogue Controller the case 504 Stereo FM Tuner 3 Components 18 506 20-Bit CD Player 3 Connecting 555 Stereo Power Amplifier 3 557 Stereo Power Amplifier 4 R Radio interference 18 5 S Searching for a station 10 Maintenance 25 O Outputs 19 P Positioning 18 Meridian 500 Series 2 25 to a 501 Control Unit 22 Programming presets 13 562V Multim
Stations defining presets 12 selecting tuning 9 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 14 Tuning method Index U 28 Unpacking 18 10, 15
