Sony CFD-646 Maintenance, Cleaning the tape heads and tape path, Demagnetizing the tape heads

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Maintenance

Cleaning the tape heads and tape path

Wipe the heads, the pinch rollers and the capstans with a cleaning swab slightly moistened with cleaning fluid or alcohol after every 10 hours of operation for optimum playback and recording quality. To make the best possible recording, however, we recommend that you clean all surfaces over which tape travels before each recording.

Deck A

Playback head Capstan

Pinch roller

Deck B

Record/playback head Capstan

Erase head

Pinch roller

After cleaning, insert a tape when the areas cleaned are completely dry.

Demagnetizing the tape heads

After 20 to 30 hours of use, enough residual magnetism will have built up on the tape heads to begin to cause loss of high frequency sound and hiss. At this time, you should demagnetize the heads and all metal parts in the tape path with a commercially available tape head demagnetizer.

Cleaning the cabinet

Clean the cabinet, panel and controls with a soft cloth slightly moistened with a mild detergent solution. Do not use any type of abrasive pad, scouring powder, or solvent, such as alcohol or benzine.

Additional Information

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CFD-646/656.E.3-856-825-1X.U/CA

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Contents CD Radio Cassette-Corder Owners Record InformationAbout This Manual For customers in the United StatesTable of contents Basic Operations Playing a CDPress Display Track Playing Number Number timeTips Indicates an FM stereo broadcast Listening to the radioUse these buttons for additional operations Basic OperationsTo improve broadcast reception For FMPlaying a tape Basic Power Volume +With the side you want to Record on facing forward Recording on a tapeDisplay Deck aDeck B BasicOperations CD Player Using the displayChecking the remaining time of the current To locate Press Locating a specific trackDisc 1 Number Buttons Repeat Play Playing tracks repeatedlyPlaying a single CD repeatedly Playing two or three CDs repeatedlyPlaying programmed tracks repeatedly To cancel repeat playPlaying tracks in random order To cancel shuffle playShuffle Play Playing tracks of a single CD in random orderCD number Track number Playing order Creating your own programProgram Play Creating your own program Program Play To cancel Program PlayTo check the order of tracks before play To change the current programNumber buttons Tune + Tip Presetting radio stationsRadio Playing preset radio stations Hooking up the speakers Setting UpHooking up Setting up the AM loop aerial Connecting surround speakers CFD-656 onlyHooking up the system Hooking up the aerialInserting batteries into the remote Setting Up Connecting the AC power cordReplacing batteries Insert two size AA R6 batteries not suppliedSelecting the sound characteristic Adjusting the audio emphasisSound Mode/MEGA Bass Reinforcing the bass soundOn safety PrecautionsOn power sources On placementSide a Tab for side a Tab for side B PrecautionsOn operation General CD Player Radio TroubleshootingSymptomRemedy Symptom Remedy TroubleshootingTape PlayerCleaning the tape heads and tape path MaintenanceCleaning the cabinet Demagnetizing the tape headsOther Specifications SpecificationsW, X, Y, Z IndexF, G, H CFD-646/656.E.3-856-825-1X.U/CA

CFD-C646, CFD-646, CFD-656 specifications

The Sony CFD-656, CFD-646, and CFD-C646 are part of Sony's well-regarded range of portable CD and cassette players that gained popularity in the late 1990s and early 2000s. These boomboxes are celebrated for their blend of functionality, sound quality, and user-friendly features, appealing to music enthusiasts who appreciate both modern and classic media formats.

One of the standout characteristics of the CFD-656, CFD-646, and CFD-C646 is their robust audio performance. These models are equipped with powerful stereo speakers, delivering an impressive sound that ensures an immersive listening experience. The audio output includes clear highs and deep lows, making them suitable for various music genres, from crisp pop tunes to rich classical compositions.

In terms of functionality, these models support multiple formats, including CD, cassette tape, and radio, providing versatility for users who enjoy a range of listening options. The CD player in these boomboxes comes with features such as programmable play and shuffle, allowing users to customize their music experience. Additionally, the inclusion of a cassette deck appeals to nostalgic listeners who may still have a collection of their favorite tapes.

The CFD-656 and CFD-646 models come equipped with a digital tuner, enabling users to easily scan and store FM/AM radio stations for convenient access to their favorite broadcasts. The clear and intuitive display helps in navigating through different functions, ensuring ease of use for any listener.

Portability is another essential feature of these models. With a sturdy build and a handle for easy transport, users can take their music on the go, whether it's at a picnic, beach, or backyard gathering. Furthermore, the battery option allows for wireless use, making it an ideal choice for outdoor activities.

In conclusion, the Sony CFD-656, CFD-646, and CFD-C646 stand out as excellent choices for those seeking a reliable and flexible audio solution. With their combination of powerful sound, multi-format capability, and portability, these boomboxes resonate with a wide audience, ensuring that they remain cherished pieces of technology even in a digital age. Whether for personal enjoyment or social events, these models deliver an unmatched and nostalgic music experience.
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