Jvc-TFHF-40-Service-Manual电路原理图.pdf

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1、No.70257Jun.2001TF-HF40(J)/TF-HF40-NK(J)SERVICE MANUALHANDS FREE KIT FOR MOBILE PHONESCOPYRIGHT C 2001 VICTOR COMPANY OF JAPAN. LTDTypeNominal impedance SensitivityMax.input capabilityCord lengthMassMoving coil32 ohms98 dB/1 mW30 mW1.2 m (3.94 ft) with 2.5mm triple-pole plug19g (0.67 oz) without cor

2、d 30g (1.06 oz) with cord SpecificationsDesign and specifications subject to change without notice.Earphone sectionTypeDirectivitySensitivity AccessoryElectrical condenserNon-directional-60 dB(0dB=1V/0.5Pa)Plug adaptor for Nokia(for NK model only)Microphone sectionTF-HF40(J) TF-HF40-NK(J)TF-HF40(J)/

3、TF-HF40-NK(J)The “Product Exchange System“ is applicable to this product.For limited spare parts, refer to the parts list.2 (No.70257)J46773-001J46772-001J46727-001J46726-001J46771-008J46738-001Pad UrethanEar PadRingCapfilmSheet Hologram111111123456Item No. Parts No. Parts Name Description*Parts mar

4、ked ( ) are safety parts. When replacing, be sure to use the specified one.QtyDisassemblyUsing the earphoneCreating an original model (Plate replacement)TF-HF40(J)/TF-HF40-NK(J)Parts ListTF-HF40Creating an original model(Plate replacement)Detaching the design platesTurn the ring about 30 degrees to

5、the right until it clicks.Insert the ring,attaching the 3 lines marked on therear of the ring to position R displayed on the unit.Insert your original or an additional design plate and the cap in the proper order onto the unit, attaching the raised part of the design plate and cap to the indented pa

6、rt of the headphone.Make sure to hook your fingernails on the raised parts of the ringHook your fingernails on the raised parts of the ring as shown in the figure above. Turn the ring about 30 degreesto the left to detach it. Turn the unit upside down as shown in the figure to detach the cap, film a

7、nd design plate.Be careful not to damage your fingernails.If the ring is too hard to turn,use something else other than your fingernails to turn it.RingRingRing Rear of the ringCapCapIndented partRaised partRaised partSupplied design plate (use when original is too thin)Original/additional design pl

8、ateFilmDesign plate1 12 23Inserting original/additional design plates If your original plates are too thin to fit properly in the unit, place supplied design plates under your originals to secure them tightly.You can download a variety of graphic plate designs from our World Wide Web server, and pri

9、nt out the designs you like.(http:/)321456*Driver UnitAssy*Housing Assy*CordFor Mobile Phone / Cellular Phone with a 2.5mm triple-pole plug.Hands Free Kits for Mobile PhonesUsing the earphoneTo the 2.5mm earphone jack.MICROPHONEMobile phone/Cellular phoneEar HookEar HookPush the Ear Hook slightly.Ea

10、r PadRight EarPlace the Ear Hook over your ear and adjust the Ear Hook position to fit your ear.VOICE MUTING BUTTONVOICE MUTING BUTTONFor Mobile Phone / Cellular Phone with a 2.5mm triple-pole plug.Hands Free Kits for Mobile PhonesUsing the earphoneTo the 2.5mm earphone jackor including Adapter.incl

11、uding NOKIA 71xx/61xx/51xx AdapterMICROPHONEMobile phone/Cellular phoneEar HookEar HookPush the Ear Hook slightly.Ear PadRight EarPlace the Ear Hook over your ear and adjust the Ear Hook position to fit your ear.TF-HF40(J) TF-HF40-NK(J)Note : These parts which was marked (*)will not be able to suppl

12、y as our service parts.J46980-002J46771-009BT-51007-5AdaptorFilmWarranty infomation cardfor NK model onlyPink111123Item No. Parts No. Parts Name Description*Parts marked ( ) are safety parts. When replacing, be sure to use the specified one.Qty(No.70257) 3*Sheet*Blister coverPacking MethodTF-HF40(J)

13、/TF-HF40-NK(J)*Tray132Parts ListNote : These parts which was marked (*) will not be able to supply as our service parts.(No.70257)VICTOR COMPANY OF JAPAN, LIMITEDAV ACCESSORY DIVISION, YAMATO PLANT, 1644, SHIMOTSURUMA, YAMATO-SHI KANAGAWA-KEN, 242-8514, JAPANPrinted in Japan0104(V)Wiring DiagramTF-HF40(J)/TF-HF40-NK(J)2.5mm triple-pole plugDriver UnitMic Unit470pMute SW