Yuav ua li cas yuav ua rau tus earpiece nrog koj ob txhais tes

Earphone - ib tug tej yam me me receiver nrog cov lus qhia thiab cov roj teeb. Nws yog li ntawd me me tias nws yog muab tso rau hauv lub pob ntseg thiab tag pom tsis tau lwm leej lwm tus. Thaum tus me nyuam txog tej kev xeem no tshaj plaws yog kiag li indispensable.

Qhov no ntsuas yog, ntawm chav kawm, koj muaj peev xwm yuav. Tab sis nws raug tus nqi heev tsis pheej yig! Txawm li cas los, craftsmen hais tias koj yuav ua tau lub earpiece nrog koj ob txhais tes. Thiab koj yog tag nrho cov paub meej tau nyob rau hauv yog tias koj muaj tsawg kawg yog ib tug dag paub nyob rau hauv electronics.

Rau lo lus nug: "Yuav ua li cas ua earpiece," cov lus teb yog: "Nws yog tsis yooj yim, tab sis lub chaw ua hauj lwm yog tsis tshua muaj ilv, thiab, ntawm chav kawm, yuav tsum tau ib tug zoo neeg.".

Tag nrho teeb muaj ob peb qhov chaw: ib tug xov tooj txawb, headphones los ntawm ib tug laus xov tooj ntawm tes thiab earpiece nws tus kheej ncaj qha.

Lub system ua hauj lwm raws li nram no:

1. Assistant xa cov ntaub ntawv tsim nyog rau koj lub xov tooj txawb.
2. Los ntawm lub raj txuas kho headphones. Qhov no tsim ua hauj lwm pab raws li lub kis kav hlau txais xov.
3. Tau txais kav hlau txais xov yog muab tso rau nrog cov ntaus ntawv nyob rau hauv lub pob ntseg.

Yuav ua li cas yuav ua rau tus earpiece nrog koj ob txhais tes? Thawj remake headphones. Ua li no, txiav tawm ntawm tus taw tes ntawm branching. Ces extract thiab unsolder microphone. Nws yuav tsum tau ib tug tawm tswv yim mus rau lub neeg.

Solder lub microphone ib tug nyias ob-hlau cable ntev, lub microphone yuav coj nyob rau hauv ntse thiab yooj yim qhov chaw, xws li cov dab tshos los yog khi.

Nyob ntawm tej sab laug thiab txoj cai lub mloog pob ntseg raws sib thooj.

Tam sim no peb muaj ob lub ntsiab lus: Channel Taw tes thiab ntau hlau. Cov no yuav muab soldered inductance (voj ntawm nyias hlau), uas yuav ua tau ib tug kis kav hlau txais xov.

Nyob rau hauv lub lag luam, lub xov tooj nyob rau hauv lub inductor yuav tsim ib tug modulated magnetic teb. Nws yuav tsum ua los ntawm cov micro inductive kav hlau txais xov, thiab koj yuav hnov nws lub suab interlocutor. Txhua yam hauj lwm nyob rau hauv lub hauv paus ntsiab lus ntawm kev txiav txim ntawm ib tug dog dig transformer.

Peb mus txuas ntxiv mus ua lub earpiece nrog koj ob txhais tes, yog tias txhais tes tsis nkees, ntawm chav kawm. Rau lub chaw ua khoom ntawm lub kis voj koj xav tau kev round khoom uas yuav siv tau raws li ib tug qauv rau winding. Haum iav hub. Xav kuj nqa PEL 0.08 - 0.1 hli.

Nyob rau hauv lub tsev txhab nyiaj yog tau ceev faj heev peb poob kauj. Kuj yuav tsum kwv yees li 40 ohms. Lub tiav lus roj nrog dawb kua nplaum thiab tshem tawm los ntawm lub ntug. Nws yuav qhwv rau daim kab xev rau lub perimeter.

Tam sim no koj yuav tsum solder qhov xaus ntawm lub kauj tso tseg hlau, insulate thiab ruaj ntseg cov tshuaj lo pob qij txha. Qhov thib ob xaus rau solder mus rau lub "raws" cov ntsiab lus thiab "ntau".

Cov kis ib feem yog npaj txhij. Ua li cas tseem yog tus earpiece nrog koj ob txhais tes. Qhov no yuav tsum tau: ib tug ua hauj lwm amplifier TDA 7052, 1956 TEM tej yam me me hais lus los yog lwm yam (dua li nws yog lub me me thiab zoo dua), ib tug resistor 1 - 5.1 Com feem ntau ob tug tej yam me me roj teeb ntawm 1,5 V (LR yuav ua tau 41 los yog 361A) hlau PEL 0.08 - 0.1 hli. Thiab nws yog ib qho tseem ceeb heev ntxiv: lub earpiece nrog koj ob txhais tes los ua ib tug heev yooj yim tsis tau muaj ib tug heev yooj yim tester.

Tam sim no lub xeem, qhov tseem ceeb theem ntawm lub chaw ua hauj lwm. Nti yog adhered mus rau cov lus qhia lub thawv. Nyob rau sab saum toj ntawm nws peb poob lub tau txais inductive kav hlau txais xov rau lub siab tshaj plaws lem, raws li ntev raws li lub winding yog tsis ua los ntawm lub ntug hais lus.

Soldered kev twb kev txuas terminals 1 thiab 3. Ces txuas tus 2.4 thiab 5 - yog ib tug rho tawm fais fab mov (av).

Solder ib kawg ntawm lub kauj rau taw tes 1.3.

Qhov thib ob kawg ntawm tus resistor mus rau hauv av. Chiv teem resistor 1 Com xaiv nws cov nuj nqis thaum yuav tsum tau.

Los ntawm terminals 6 thiab 7 ntawm solder hais lus.

Pin 8 - nws yog khoom noj khoom haus + 3 volts.

Ua ntej thawj siv ua tib zoo saib lub installation ntawm lub rwb thaiv tsev.

Ntawm 8 thiab davhlau ya nyob twg + roj teeb txuas tester. Ntsuas tam sim no noj. Qhov tseeb tiag mas, nws yuav tsum tau txog 3,5 ma. Tab sis nws yog permissible rau 5 ma.

Xa rau lub hwj chim, nyob rau ib lub xov tooj txawb ntes tej FM-chaw nres tsheb. Nyob rau hauv Earpieces peb yuav tsum hnov nws. Xaiv resistor rau siab tshaj plaws volume. Peb xav tshaj lub kho ntawm cov roj teeb.

Peb muab lub tiav lawm khoom nyob rau hauv ib tug raj ntawm tshav kub ntsws thiab hlob lub rhuab pas dej ua ke. Lub chaw ua hauj lwm yog ua tiav.