Musical Fidelity KW250S Instructions For Use Manual Download Page 1

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KW250S

KW SERIES TUBE INPUT INTEGRATED AMPLIFIER/TUNER/CD PLAYER

INSTRUCTIONS FOR USE

Thank you for purchasing the Musical Fidelity KW250S

This model uses the very latest DAB/FM radio text receiver, top quality CD transport, ultra low jitter 24 Bit

DAC technology and further jitter reduction techniques to achieve both an excellent technical specification

and unparalleled DAB/FM/CD sound quality. This is complimented with a top quality 6922 tube line level

preamplifier stage and two monobloc power amps capable of driving over 250W.

The KW250S

is a perfect answer to most hi-fi requirements in a single, beautifully engineered package.

Used properly and carefully, it should give many years of outstanding musical reproduction.

Dust regularly with a soft duster or soft brush, but be careful when using cleaning or polishing agents - they

may harm the surface finish.

If you have any questions about your audio system,

Please consult your dealer who is there to help and advise.

Summary of Contents for KW250S

Page 1: ...ound quality This is complimented with a top quality 6922 tube line level preamplifier stage and two monobloc power amps capable of driving over 250W The KW250S is a perfect answer to most hi fi requirements in a single beautifully engineered package Used properly and carefully it should give many years of outstanding musical reproduction Dust regularly with a soft duster or soft brush but be care...

Page 2: ...trol Operation and illustration 11 CD basic operation Loading playback and track selection 12 13 CD special features Repeat shuffle scan programming Display 14 CD problems Basic CD player fault finding 15 16 DAB button functions Band auto tune manual tune presets info menu 17 FM function buttons Auto tune band manual tune presets mono stereo info menu 18 Tuner problems Basic tuner fault finding 19...

Page 3: ...y not correspond with the coloured markings identifying the terminals in your plug proceed as follows The wire which is coloured green and yellow must be connected to the terminal in the plug which is marked with the letter E or coloured green or green and yellow or by the earth symbol The wire which is coloured brown must be connected to the terminal which is marked with the letter L or coloured ...

Page 4: ...DELITY SERVICE AGENT DO NOT ATTEMPT TO SERVICE IT YOUR SELF AND DO NOT CONTINUE TO USE THIS PRODUCT IN A FAULTY STATE INTERNAL LASER WARNING LABELS REAR PANEL THIS PRODUCT COMPLIES WITH DHHS RULES 21 CFR CHAPTER 1 SUBCHAPTER J PART 1040 AT DATE OF MANUFACTURE THIS PRODUCT COMPLIES WITH PART 15 OF THE FCC RULES OPERATION IS SUBJECT TO TWO CONDITIONS 1 THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE ...

Page 5: ...cessive interference in a residential installation Conversely the product has also been checked to ensure that its own operation is not adversely affected by normal background levels of RFI received externally However if interference is experienced for instance to radio or TV broadcasts the user is recommended to try one or more of the following measures Identify the source of interference by turn...

Page 6: ...ur dealer who should then check the unit before further use Entry of liquid into the KW250S is dangerous and may cause electric shock or fire hazard Do not place the unit near direct heat sources such as radiators direct sunlight or other equipment Do not remove any covers or try to gain access to the inside There are no internal adjustments or fuses you can replace yourself Refer all service work...

Page 7: ...netto barrato riportato sul retro dell apparecchio indica che il prodotto non deve essere smaltito tramite la procedura normale di smaltimento dei rifiuti domestici Per evitare eventuali danni all ambiente separare questo prodotto da altri rifiuti domestici in modo che possa venire riciclato in base alle procedure di rispetto ambientale Per maggiori dettagli sulle aree di raccolta disponibili cont...

Page 8: ...r preventing the laser beam from reading the disc If this happens remove the CD close the disc drawer and leave the unit switched on for an hour or so to allow sufficient time for the moisture to evaporate AERIAL ANTENNA For ease of installation a tri band aerial is supplied with the unit This covers the FM DAB II III and L bands and picks up sufficient signal for most domestic purposes However if...

Page 9: ...nction buttons 8 AMPLIFIER function buttons 9 PDI Portable Device Input 3 5mm jack connector REAR PANEL 10 11 12 13 14 15 16 17 18 10 LOUDSPEAKER OUPUTS Right hand side 11 PRE TAPE OUTPUTS 12 PHONO AUX 1 AUX 2 PDI INPUTS 13 LOUDSPEAKER OUPUTS Left hand side 14 DIGITAL OUTPUTS RCA coaxial and optical 15 AUX 1 AUX 2 DIGITAL INPUTS RCA coaxial and optical 16 PHONO GROUNDING 4mm post 17 DAB FM AERIAL ...

Page 10: ...finds previous next broadcast MONO STEREO Option for weaker FM stations Amplifier Buttons PHONO Selects Phono input CD Selects internal CD TUNER Selects internal tuner AUX 1 Select source AUX 1 AUX 2 Select source AUX 2 PDI CD Buttons TIME Displays Track Time Time remaining 0 9 Buttons Used to select track numbers CHECK Check pre programmed tracks PROGRAM Programs selection and order of tracks INT...

Page 11: ...PLAY PAUSE again resumes playback from the same place PAUSE Remote control On the remote control PLAY and PAUSE buttons have separate functions at each end of the same button Pressing PLAY will only control disc play and pressing PAUSE will not resume play Note that if the disc is already playing pressing the PLAY button reverts play to the beginning of the current track STOP Playback can be stopp...

Page 12: ...laying play will continue in random order until all tracks on the disc have been played Shuffle play is cancelled by pressing the SHUFFLE button a second time The unit resumes normal play function continuing to the end of the disc in normal order starting from wherever it was left by the previous random selection From stop mode pressing PLAY PAUSE also begins shuffle play If REPEAT is then pressed...

Page 13: ...program entry in turn If during this check sequence the PLAY button is pressed the remaining part of your programmed selection will play to the end of the sequence Otherwise to play all the programmed tracks from the beginning of the sequence press PLAY PAUSE or PLAY on the remote control The button may be pressed to jump to the next track in the programmed sequence or button to obtain the previou...

Page 14: ...layer and tuner or switch off player power Player s POWER switch is set to off Set switch to on Battery ies fitted the wrong way round Insert batteries correctly Batteries are flat Change batteries for a new set Remote control does not work Remote control is not pointed directly towards the front panel of the player Ensure there is no obstruction between the remote control and player front Remote ...

Page 15: ...list is updated Once all the locally available bands have been scanned the unit reverts to the first station found by name in alphabetical order or the previous broadcast being listened to if applicable TUNE UP DOWN To select a station simply turn the left hand knob to cycle through the list of receivable broadcasts in your area When the required station is displayed push the knob or press the SEL...

Page 16: ... DAB options Press MENU to access menu options whilst in DAB mode Use the TUNE up down buttons to cycle through the options and the SELECT button to choose displayed option Menu options available for DAB are Manual Tune Allows manual search of ensembles and DAB frequencies Canadian L band Enables Canadian L Band European L Band Enables European L band Service Base Factory use only Customer Version...

Page 17: ...ntil the desired preset is displayed Press and hold STORE to accept this preset The display will indicate the preset has saved and then revert to selected station Note this will overwrite any station stored previously on this preset Briefly pressing the button will display current preset without storing There are 10 presets available for programmes on the FM band in addition to the 10 provided for...

Page 18: ...gth insufficient Reposition aerial Consider a rooftop DAB FM aerial see P 6 Aerial Antenna Tuned station does not transmit the RDS feature RDS information feature therefore unavailable Tuner does not display FM RDS station name and or text Signal insufficient to receive RDS Try repositioning the whip aerial if used Improve the aerial Remote control does not work Tuner s POWER switch is set to off ...

Page 19: ...al on insertion of a lead with digital signal present OUTPUT CONNECTIONS Speakers Connect your loudspeakers to the terminals on the back panel marked as LEFT and RIGHT SPEAKER outputs Make sure both speakers are connected with the same polarity PRE The KW250S has its pre amplifier output available from RCA sockets on the back panel marked PRE OUT and is controlled by the volume adjustment This is ...

Page 20: ...il MC Choose the input that best describes the cartridge type being used You can also select the Phono input by using the remote handset see p 9 but MM MC switching is not available on the remote CD Selects the internal CD player Please refer to p 10 for advice and player functions TUNER Selects the internal tuner Please refer to p 14 for advice and tuner functions AUX 1 To use the AUX1 input conn...

Page 21: ... PDI connectors If the rear AUX2 PDI connectors are used please ensure you disconnect any devices and wires connected to the front PDI socket Failure to do so could result in equipment failure RECORDING To record to any format of your choice simply select the required source with the input selector button on the front panel or remote control This source will now be routed to the KW250S TAPE OUT fo...

Page 22: ...devices Sound is not precise lacking in bass and stereo image Speakers are connected out of phase i e connections to one speaker and are reversed Ensure speakers are connected correctly Hum Audio connector plug not fully pushed in Insert plug securely Remote control does not work Amplifier s POWER switch is set to off One or more batteries fitted the wrong way round Batteries are flat Remote contr...

Page 23: ...m Input Signal for Pseudo channel BER with real value 0 02 Band III after error correction 0 dBm Adjacent Channel Selectivity 32 33 dBm Measured to EN50248 Far off selectivity 48 dBm Measured to EN5024845 Acquisition sensitivity 101 dBm Input Impedance 50Ω F type connector to VHF L Band diplexer FM Specifications RF Frequency Range 87 5 108 MHz RF Sensitivity S N N 26dB 90MHz 22 5KHz 5 µV Dev F mo...

Page 24: ... Aerial input 1 F type female with securing thread DAB FM Digital inputs 1 optical TOSLINK 2 S PDIF RCA connector Digital outputs 1 optical Toslink 44 1 48 kHz 1 S PDIF RCA connector 48 kHz Line level inputs 2 pairs line level RCA connectors 1 front panel 3 5mm jack socket sharing AUX2 input 1 pair phono MM MC RCA connectors Line level outputs 1 pair RCA preamp controlled by the volume 1 pair RCA ...

Page 25: ...NUAL REVISION Issue 3 12th July 2006 RELEASE DATE CHANGES Issue 1 1st June 2006 1st release Issue 2 19th June 2006 Presentation updated Issue 3 12th July 2006 Item disposal page and CDDA note added Page 25 of 25 ...

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