Summary of the content on the page No. 1
TD-W254B/J DOUBLE CASSETTE DECK
DOUBLE CASSETTE DECK
-
TD W254 B/J
Area suffix
B .................... U.K.
J .....................U.S.A.
DOLBY B-C NR HX PRO
TD-W254 DOUBLE CASSETTE DECK DOLBY B-C NR HX PRO TD-W254 DOUBLE CASSETTE DECK
STANDBY STANDBY
INPUT LEVEL INPUT LEVEL INPUT LEVEL INPUT LEVEL
COUNTER RESET 5 5 COUNTER RESET COUNTER RESET 5 5 COUNTER RESET
4 4 6 6
4 4 6 6
3 3
3 3 7 7
AUTO REVERSE AUTO REVERSE AUTO REVERSE AUTO REVERSE
A A
B 2 2 8 B
PLAYBACK 2 2 8 3MOTO
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id8/i10371/11/22/96 Page2 IMPORTANT (In the United Kingdom) Mains Supply (AC 230 Vz, 50 Hz only) RISK OF ELECTRIC SHOCK DO NOT cut off the mains plug from this equipment. If the DO NOT OPEN plugfittedisnotsuitableforthepowerpointsinyourhomeor the cable is too short to reach a power point, then obtain an CAUTION ‘‘TO REDUCE THE RISK OF ELECTRIC SHOCK appropriate safety approved extension lead or consult your DO NOT REMOVE COVER (OR BACK) dealer. NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO
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id8/i10371/09/23/99 Page3 INTRODUCTION CAUTIONS Thank you for purchasing a JVC product. Read this instruction 1. PreventionofElectricShocks,FireHazardsandDamage book carefully before operating to be sure of getting optimum 1) Even when the POWER switch is set to STANDBY, a very performance and longer service life from the unit. small current will flow. To save power and for safety when not using the unit for an extended period of time, disconnect thepowercordfromthehouseholdACoutlet.(fortheJver-
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id8/i10371/11/25/96 Page4 2. Installation 1) Avoid placing the unit on or adjacent to an amplifier, to pre- 4) Do not store cassette tapes where there is a magnetic field vent hum from being produced by some types of amplifiers. (e.g. near a TV, etc.) or in a place subject to high tempera- Move the unit to a place not affected by the amplifier. Keep tures or humidity. the unit as far as possible from a TV set. 2) Avoid installing the unit in a location subject to ambient tem- 5. Auto tape select
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id8/i10371/09/23/99 Page5 CONNECTIONS • Do not switch the power on until all the connections are com- 2. Remote cable connection for COMPU LINK • pleted. By connecting a remote cable, COMPU LINK functions (auto- • Insert the plugs firmly, or poor contact will result, causing matic power on/STANDBY, automatic source selection, syn- noise. chronized recording and DDRP recording) can be performed. • When the pin-plug cords are employed, always connect the In this time the provided pin-plug cords mu
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id8/i10371/09/23/99 Page6 NAMES OF PARTS AND THEIR FUNCTIONS 2 11 34567 890 q DOLBY B-C NR HX PRO DOLBY B-C NR HX PRO TD-W254 DOUBLE CASSETTE DECK TD-W254 DOUBLE CASSETTE DECK STANDBY STANDBY INPUT LEVEL INPUT LEVEL INPUT LEVEL INPUT LEVEL 5 5 5 5 COUNTER RESET COUNTER RESET COUNTER RESET COUNTER RESET 4 4 6 6 4 4 6 6 3 3 3 3 7 7 AUTO REVERSE AUTO REVERSE AUTO REVERSE AUTO REVERSE A A B B 2 2 8 2 2 8 PLAYBACK 3MOTOR SILENT MECHANISM 3MOTOR SILENT MECHANISM 3MOTOR SILENT MECHANISM
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id8/i10371/09/23/99 Page7 8 PLAYBACK 1 POWER POWER STANDBY / ON ON OFF (B version) (J version) 2 A t INPUT LEVEL control y Cassette operation buttons (deck B) :Press to wind the tape quickly from right to left. :Presstowindthetapequicklyfromleftto 3 4 DOLBY B NR B OFF C right. (stop) :Press to stop the tape. Also press to stop both decks simulta- neously during dubbing. PLAY :Press to start playback/recording. 5 6 REVERSE MODE REC/ : Press the PLAY button while pressing REC MUTE this button to s
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id8/i10371/09/23/99 Page8 RECORDING Deck B only It should be noted that it may be unlawful to re-record pre- Operate in the order of the numbers in the illustration. recorded tapes, records, or discs without the consent of the • Make sure the safety tab of the cassette has not been broken ownerofcopyrightinthesoundorvideorecording,broadcast off. or cable programme and in any literary, dramatic, musical, or artistic work embodied therein. 1 POWER POWER DDRP (Dynamics Detection Recording Processor
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id8/i10371/09/23/99 Page9 Dolby HX PRO headroom extension AUTOMATIC RECORD MUTING (DECK B) When a source which contains many high-frequency compo- nents is recorded, these high-frequency signals have the same Thisfacilityisusedtoeliminateundesiredsectionsandleavean appropriate non-recorded section. function as bias and therefore, the effective bias current changes. A. To leave non-recorded sections of about 4–5 seconds This will result in phenomena such as changes in the level of automatically l
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id8/i10371/09/23/99 Page10 Automatic Source Selection (COMPU LINK-1, 3) DUBBING When the provided remote cables are used for connecting this unit to other components which have COMPU LINK-1 or • Synchro dubbing 3/SYNCHRO terminals, the switch-over of all system compo- Operate in the order of the numbers in the illustration. nents is possible with simple one-touch of the source selector button of JVC’s amplifier or receiver. 1 POWER POWER By doing this, the corresponding component will start play
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id8/i10371/09/23/99 Page11 Tape editing Demagnetizing the heads 1. Press the REC/REC MUTE button when finished dubbing Magneticobjectsbroughtclosetotheheadorusingthedeckfor a tune. Deck B automatically enters the record muting mode a long period of time, results in magnetization of the head, thus and leaves a non-recorded section of about 4-seconds then noise occurs. When the noise is excessive, high frequencies on enters the record-paused mode. the recorded tape may be erased. 2. Press the (sto
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DOUBLE CASSETTE DECK TD-W254B/J SPECIFICATIONS Type : Double cassette deck Motors : Electric governed DC motor for capstan Track system : 4-track, 2-channel x 1 Tape speed : 4.8 cm/sec (1-7/8 inch/sec) (Normal) DC motor for reel x 1 9.5 cm/sec (3-3/4 inch/sec) (High) DC motor for mechanism drive x 1 Frequency : (–20 dB recording) (For both decks A and B) response Type IV tape ;20–17,000 Hz Fast forward/rewind : Approx. 110 sec. with C-60 cassette 30–16,000 Hz (±3dB) time Type II tape ; 20–16,000
