Instruction/ maintenance manual of the product KW250S Musical Fidelity
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KW250S 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 spe cification and unparalleled DAB/FM/CD sound quality.
KW250S CONTENTS Is sue 2: 19 th Ju ne 20 06 Page 2 of 24 PAGE 3 Safety inform ation : - - Mains plug (U.K. only) Modification warning 4, 5 Safety inform ation : - - - Laser product labelling Laser typ.
KW250S SAFETY INFORMATION Is sue 2: 19 th Ju ne 20 06 Page 3 of 24 IM PORTANT ! (U.K . only) This unit is s upplied in the U .K. with mains lead fitted with a mo ulded 13 a mp plug. If, for any reason, you need to cut off t he plug , please remove the fus e holder and dispos e of the plug saf ely, out of reach of children.
KW250S SAFETY INFORMATION Is sue 2: 19 th Ju ne 20 06 Page 4 of 24 CLASS 1 L ASER PRODUC T The KW250S incorpor ates a CD player which has been designed and manufactured according to FDA regulations &q.
KW250S SAFETY INFORMATION Is sue 2: 19 th Ju ne 20 06 Page 5 of 24 LASER IN FORMAT ION: Optical pick-up : Manufacturer : Sharp Pick-u p type : GH 6C005B Waveleng th : 780nm RADIO - FREQUENCY I NTERFER.
KW250S GENERAL INST ALLATION Is sue 2: 19 th Ju ne 20 06 Page 6 of 24 INSTA LLATION PRECAUTIO NS and USER INFORMA TION Your new KW250S is des igned and built to provide trou ble-free perf ormance, but as wi th all electronic devices it is necessary t o observe a f ew precautions: Heed all warning s shown on the back of the product.
KW250S GENERAL INST ALLATION Is sue 2: 19 th Ju ne 20 06 Page 7 of 24 INTRODUCT ION Congrat ulation s on the purch ase of you r new KW250S integrated CD/DAB/FM/P RE and dual mono power amp.
KW250S FACILITIES AND C ONNECTION Is sue 2: 19 th Ju ne 20 06 Page 8 of 24 FRONT PANEL 1 2 3 4 5 6 7 8 9 1. DAB/FM T uning knob 2. DISPLAY (incorporates remote con trol IR receiver) 3. CD drawer 4. VOLUME knob 5. POWER mains on/off switch 6. CD funct ion b utto ns 7.
KW250S REMOTE CONTROL Is sue 2: 19 th Ju ne 20 06 Page 9 of 24 The remote cont rol shown below enables functions to be operated from a convenient distance. Equi vale nt but tons on t he r emo te co ntro l have t he sa me fu nctio ns as t hose o n the front pan el of the uni t.
KW250S CD BASIC OPE RATION Is sue 2: 19 th Ju ne 20 06 Page 10 of 24 NO DI SC STOP 7 41:56 PLAY 1 0:01 PAUSE 1 0:03 STOP 7 PLAY 1 PLAY 1 7 PLAY 17 0:01 LOADING AND PLAY ING COMPACT DISCS Select CD fu nctio n by pr essin g CD bu tton und er AMPLIFI ER heading to the right of the front panel, the CD button on the remote does the same.
KW250S CD SPECIAL FE ATURES Is sue 2: 19 th Ju ne 20 06 Page 11 of 24 PLAY 1 0:12 repeat t rack PLAY 1 0:24 repe at disk PLAY 1 0:34 repeat a - PLAY 1 1:55 repeat a -b PLAY 1 0:34 shuffl e disc PLAY 7.
KW250S CD SPECIAL FE ATURES Is sue 2: 19 th Ju ne 20 06 Page 12 of 24 INVALI D TRAC K progra m 2 track 9 PLAY 1 0:41 play pro gram Conti nue e nteri ng trac k nu mbe rs in the sa me wa y up to a maximum of 25. If more than 25 tracks are attempted the memory will not accept any extra ones, and the displa y reverts to “ prog 1 ”.
KW250S CD PROBLEMS? Is sue 2: 19 th Ju ne 20 06 Page 13 of 24 Basic problem-solving with a CD player is similar to troubleshooting other electrical or electronic equipment.
KW250S DAB FUNCTION BUTTONS Is sue 2: 19 th Ju ne 20 06 Page 14 of 24 BBCWor ld Ser vice BBC Nati onal D AB AUTO TUNE QUICK SCAN ™™™™™™ ™™™™ ™™™™™™ 0 Search ing.
KW250S DAB FUNCTION BUTTONS Is sue 2: 19 th Ju ne 20 06 Page 15 of 24 INFO Display s the curren t broadcast inform ation in the following ord er: - DAB program me text - Music Ty pe - Network nam e - .
KW250S FM FUNCTION BUTTONS Is sue 2: 19 th Ju ne 20 06 Page 16 of 24 105. 80MHz FM PS: F M Radio 1 PS: F M Radio 1 PS: F M Preset 1 empty PS: F M Radio 1 PS: F M Preset 1 saved AUTO-TUNE To auto se arch stat ions, press the AUTO TUNE button. The tuner will se arch upwards th rough th e FM band and pick out the ne xt statio n for y ou.
KW250S TUNER PROBLEMS? Is sue 2: 19 th Ju ne 20 06 Page 17 of 24 Basic prob lem-solv ing with a tuner is sim ilar to tr oubleshoot in g othe r electr ical or electroni c equipment.
KW250S AMPLIFIER CONNECTIONS Is sue 2: 19 th Ju ne 20 06 Page 18 of 24 All input, ou tput and pow er connections should be made w ith the m ains power switched OFF. INPUT CONNECTIONS Phono: The KW250S has a pair of RCA type p hono input sock ets inte nded for u se with m oving m agnet (MM) or m oving coil (MC) pickups.
KW250S AMPLIFIER OPERATION Is sue 2: 19 th Ju ne 20 06 Page 19 of 24 KW250S v1.0 PHONO MM PHONO MC AUX1 OPT ICAL AUX1 COA XIAL AUX2 ANAL OG AUX2 COA XIAL KW250S v1.
KW250S AMPLIFIER OPERATION Is sue 2: 19 th Ju ne 20 06 Page 20 of 24 availab le. Please refer to y our porta ble device ’s manual , for more de tail s Note: P lease note the sockets PD I at the fron.
KW250S AMPLIFIER PROBLEMS? Is sue 2: 19 th Ju ne 20 06 Page 21 of 24 Basic prob lem- solving with an amplif ier i s sim ilar to trouble shooting other ele ctric al or elec tronic equ ipment.
KW250S CD, DAC & TUNER SPECIFICATIONS Is sue 2: 19 th Ju ne 20 06 Page 22 of 24 CD: Disc mechanism Philips Total correlated jitter < 135 pS DAC: DAC cir cuits 24 bit Delta- Sigm a (Bit stre am) dual di ffere ntial 8x ov er sam pling Up sampli ng 192 kHz Total correlated j itter < 135 pS L i n e a r i t y < 0 .
KW250S AMPLIFIER SPECIFICATIONS Is sue 2: 19 th Ju ne 20 06 Page 23 of 24 Output: Power 250 Watts pe r channe l into 8 Ohm s (24dBW ), 400 Watts per channel into 4 Ohm s Vo ltage, RMS 45 Vol ts 20Hz to 20 kHz Voltage, P eak-to-p eak 127 .
KW250S MANUAL REVISION Is sue 2: 19 th Ju ne 20 06 Page 24 of 24 RELEASE DATE CHANGES Issue 1 1 st June 2006 [1 st releas e] Issue 2 19 th June 2006 Presenta tion updat ed.
An important point after buying a device Musical Fidelity KW250S (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Musical Fidelity KW250S yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Musical Fidelity KW250S - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Musical Fidelity KW250S you will learn all the available features of the product, as well as information on its operation. The information that you get Musical Fidelity KW250S will certainly help you make a decision on the purchase.
If you already are a holder of Musical Fidelity KW250S, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Musical Fidelity KW250S.
However, one of the most important roles played by the user manual is to help in solving problems with Musical Fidelity KW250S. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Musical Fidelity KW250S along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
