Cov txheej txheem:
- Kauj Ruam 1: Nkag Siab TEA2025B IC
- Kauj Ruam 2: Schematic Diagrams & Cheeb Tsam thiab Cov Cuab Yeej
- Kauj ruam 3: Sib dhos
- Kauj ruam 4: Xeem
Video: Yuav Ua Li Cas Guitar Amp Circuit - Tea2025b: 4 Kauj Ruam
2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:27
Cov neeg feem coob tsim guitar amp raws li LM386 IC uas muaj suab nrov nrov lossis TDA2030 tsis muaj suab. Txawm hais tias lawv pheej yig lawv tsis zoo txaus los tsim qhov zoo tshaj plaws ntawm qhov pib ua suab paj nruag amp. Yog li peb yuav siv lwm IC hu ua TEA2025B uas yog pheej yig ib yam tab sis nrov dua thiab tsis muaj suab nrov.
Nco ntsoov tias TEA2025B yog lub tshuab ua hluav taws xob IC sib txuas ua ke rau hauv ib qho - txawm li cas los xij, tsis txhob siv nws qhov tso tawm ob peb ua rau nws tso rau hauv mono -output kom peb tsis tas yuav siv ob tus neeg hais lus raws li lub suab tso tawm. Qhov no ua rau txoj haujlwm yooj yim dua thiab lub suab tseem zoo.
Qhov txiaj ntsig ntawm txoj haujlwm no yog qhov zoo rau lub tshuab ntaus suab paj nruas suab nrov tab sis nws kuj tseem zoo rau kev ntaus suab paj nruag yooj yim.
Kauj Ruam 1: Nkag Siab TEA2025B IC
Ua tib zoo saib ntawm IC tus qauv Pin 10, 11, 12, 13, 14, 15 yog tus thawj lub suab ntawm TEA2025B thaum tus Pin 7, 6, 5, 4, 3, 2 yog tus thib ob lub suab nrov ntawm IC. Pin 16 yog qhov zoo (Vss) thiab Pin 1 Choj.
Koj tuaj yeem xaiv ua ob zaug tso zis (dual amp) siv qhov IC nkaus xwb tab sis hauv txoj haujlwm no, peb sib txuas ua ke kom ua ib lub suab mono thiab nws tseem nrov nrov.
Kauj Ruam 2: Schematic Diagrams & Cheeb Tsam thiab Cov Cuab Yeej
Peb yuav xav tau cov khoom siv hluav taws xob hauv qab no rau qhov project guitar amp
- 2 x 470 uF Electrolyte Capacitors
- 2 x 0.15 uF ceramic capacitors
- 4 x 100 uF Electrolyte capacitors
- 1 x 0.22 uF ceramic capacitors
- 1 x 10 kOhm potentiometer + 1 pob qhov rooj
- 1 x 330 Ohm resistor
- 1 x sub-speaker (tus hais lus me me yuav ua)
- 1 x 6.3 mm jack chaw nres nkoj txuas rau cov tswv yim los ntawm guitar
- 1 x USB chaw nres nkoj rau lub hwj chim nkag
- 1 x dhau-qhov PCB
- 1 x lub thawv me me
Cov Cuab Yeej Siv
- Laum los ua qhov
- Cov hlau hlau
- Solder
- Pliers los txiav cov khoom siv ntau tshaj tus pin
Xa mus rau cov duab rau daim duab qhia chaw
Kauj ruam 3: Sib dhos
Txiav PCB loj 100 mm Ntev x 60 mm Dav
Txij li qhov phiaj xwm lub thawv loj yog 100 mm x 60 mm x 25 mm peb yuav tsum txiav PCB raws li 100 mm ntev thiab 60 mm dav. Txhawm rau kom ua kom haum haum ntsuas PCB tiv thaiv lub thawv me me kom txo qhov ua yuam kev thiab txuag sijhawm ua qhov tsis tseem ceeb.
Solder lub 16 tus pin IC ntsaws rau hauv nruab nrab ntawm pawg thawj coj saib PCB
Thaum ua tiav qhov no koj tuaj yeem pib txuas lub TEA2025B ntawm qhov chaw nruab nrab ntawm PCB - txoj haujlwm tseem ceeb vim tias muaj ntau lwm yam khoom siv uas xav tau txuas rau IC tseem ceeb, tom qab ntawd, tuaj yeem tso ze rau nws. Hauv cov txheej txheem no, koj tuaj yeem tso ncaj qha IC mus rau ntawm lub rooj tsavxwm lossis koj tuaj yeem muab cov 16 pins hla-lub qhov ntsaws IC. Qhov zoo ntawm kev siv lub qhov (socket) yog kom yooj yim dua thiab yooj yim dua kom tshem tawm IC yog tias nws ua tsis raug thiab hloov nws nrog lwm yam yam tsis rov siv dua. Qhov ntawd txuag ntau lub sijhawm - hauv tus txheej txheem. Sib nrug los ntawm qhov zoo IC tuaj yeem raug tshem tawm thiab rov siv tau yam tsis muaj kev puas tsuaj nrog cov laug kub.
Yog li hauv txoj haujlwm no peb tau siv 16 tus pin IC ntsaws rau lub rooj tsavxwm hauv qhov chaw nruab nrab. Thaum uas ua tiav ces tso rau hauv TEA2025B IC mus rau lub qhov (socket) adapter.
Solder Pin 4, 5, 7, 9, 12, 13 rau hauv av (tsis zoo USB chaw nres nkoj)
Vim li cas ntau tus pin txuas nrog rau qhov tsis zoo (hauv av) vim tias IC suav nrog 2 lub tshuab hluav taws xob hauv ib qho. Pin 4 thiab 5 qhov tsis zoo yog thawj lub suab nrov thaum 12 thiab 13 koom nrog lub suab nrov thib ob. Tus lej 9 yog lub hauv paus rau sub. Hauv qhov haujlwm no, kuv ua qhov sib txuas sib txuas Pin 7 txog 5, thiab Pin 4 txuas 13 thiab Pin 5 txuas rau 12 thiab tom qab ntawd 9 txuas rau 12 thiab 13 tom qab ntawd txuas lub zog tsis zoo rau tus pin 9. Yog li qhov tsis zoo ntws yog los ntawm 9 txog 12, 13 thiab tom qab ntawd dhau mus rau 4 thiab 5.
Solder Pin 16 TEA2025B
Peb tab tom yuav pib nrog tus pin 16 - txuas nws mus rau qhov zoo ntawm USB chaw nres nkoj qhia ua +Vs hauv daim duab qhia chaw. Tom qab ntawd muab tshuaj txhuam 100 uF electrolyte capacitor zoo rau tus pin 16 thiab qhov tsis zoo rau qhov tsis zoo (hauv av) ntawm USB chaw nres nkoj. Lub tshuab hluav taws xob no yog txhawm rau tswj cov dej ntws tam sim no rau hauv Circuit Court.
Solder Pin 14 thiab 15
Siv 470 uF electrolyte capacitor solder nws lub davhlau ya nyob twg zoo rau tus pin 14 thiab tsis zoo rau tus pin 15. Tom qab ntawd tus lej txuas 15 rau cov zis RCA nkaus. Tseem, ntawm tus pin 15 solder 0.15 uF ceramic capacitor rau qhov tsis zoo (hauv av) ntawm USB chaw nres nkoj. Qhov kev sib txuas tag nrho ntawm qhov Circuit Court no yog rau thawj qhov tso tawm ntawm lub suab nrov.
Solder Pin 2 thiab 3
Siv 470 uF electrolyte capacitor solder nws lub davhlau ya nyob twg zoo rau tus pin 3 thiab tsis zoo rau tus pin 2. Tom qab ntawd tus pin 2 txuas mus rau lwm qhov txuas ntawm RCA nkaus tso tawm. Tom qab ntawd siv 0.15 uF ceramic capacitor thiab txuas rau qhov tsis zoo (hauv av) ntawm USB chaw nres nkoj. Qhov no yuav yog qhov thib ob tso tawm ntawm lub suab nrov.
Tam sim no peb tau ua tiav soldering tag nrho cov zis ntawm lub tshuab raj thiab peb txav mus rau sab nkag. Nco ntsoov tias kev ua haujlwm ntawm 470 uF thiab 0.15 uF capacitors dua yog tsim cov suab ruaj khov rau cov lus hais tawm.
Solder Pin 10 lub suab tawm tswv yim
Solder 0.22 uF ceramic capacitor thiab 330 Ohm resistor nyob rau hauv parallel rau nruab nrab ntawm 10 kOhm potentiometer. Solder tus pin sab xis ntawm lub hwj chim rau lub guitar hauv ntawm 6.3 mm jack txuas chaw nres nkoj. Tom qab ntawd tus pin sab xis ntawm lub tshuab raj potentiometer rau qhov tsis zoo (hauv av) ntawm 6.3 mm jack txuas chaw nres nkoj. 0.22 uF cap thiab 330 Ohm resistors yog kev sib xyaw ua ke kom txo tau cov suab nrov tawm. Yog tsis muaj lawv, lub suab nrov yuav ua tsis tau thiab tsim lub suab nrov nrov.
Solder tus pin 11, 6, 1 tawm tswv yim
Solder lub 100 uF electrolyte capacitor lub davhlau ya nyob twg zoo rau tus pin 11 thiab tsis zoo rau hauv av (tsis zoo) ntawm USB chaw nres nkoj. Nov yog thawj qhov kev tawm suab tawm tswv yim. Tom qab ntawd txuas lwm 100 uF electrolyte capacitor zoo lub dav hlau mus rau Pin 6 thiab lub davhlau ya nyob twg tsis zoo rau Pin 1 Choj. Nov yog qhov kev tawm tswv yim thib ob ntawm lub suab nrov.
Solder Pin 8
Solder lwm 100 uF electrolyte capacitor zoo rau tus pin 8 thiab qhov tsis zoo rau qhov tsis zoo (hauv av).
Ntsiab lus
Tam sim no koj tau ua tiav qhov muag tag nrho TEA2025B pins rau txhua qhov tsim nyog sib txuas (cov khoom siv). Thov nco ntsoov tias nws yog ib qho tseem ceeb heev uas yuav ua kom cov khoom siv sib txuas tau yooj yim - uas txhais tau tias ua kom ntseeg tau tias txhua lub Cheebtsam nyob ze rau IC. Qhov no yuav ua rau lub suab muaj suab nrov nrov thiab tsis muaj suab nrov thiab tau kawg cov peev txheej zoo thiab cov tiv thaiv tiv thaiv kuj tseem yuav ntxiv rau qhov ua tau zoo ntawm lub amp. Tsuas yog tus hais lus tuaj yeem nyob deb ntawm Circuit Court yog tias nws nyob ze nws yuav ua rau muaj suab nrov nrov.
Sib nrug los ntawm qhov uas tsis tas yuav tuag tag nrho cov khoom kuv siv txiv neej tus pin txuas rau txhua qhov kev tivthaiv. Qhov no tso cai rau kuv txuas lawv siv poj niam jumper dupont cable rau kev sim. Txawm li cas los xij qhov no yog nyob ntawm yeem thiab koj tuaj yeem txuas lawv ncaj qha yog tsis muaj teeb meem tsuas yog tias muaj dab tsi mus tsis raug koj yuav tsum tau desolder lawv thiab resolder uas tuaj yeem siv sijhawm ntau dhau thiab tuaj yeem ua rau lub rooj tsavxwm puas tsuaj. Siv lub jumper cable txuas tso cai hloov pauv tau thiab xyuas kom txhua yam txuas tau raug thiab kho tau yooj yim yog tias kev txuas tsis raug.
Kauj ruam 4: Xeem
Hauv txoj haujlwm no, Kuv tab tom siv jumper dupont cable yog li nws yooj yim zoo nkauj los txuas txhua qhov ntawm ib sab mus rau ib leeg. Yog tias nws ua tsis raug nws yog qhov yooj yim heev kom rov txuas lawv dua - sib nrug los ntawm IC lub qhov (socket) txuag ntau lub sijhawm thiab yog tias IC puas vim qhov kev txuas tsis raug lossis siab tam sim no peb tuaj yeem tshem nws tawm ntawm lub qhov (socket) thiab hloov nws nrog tshiab. Xijpeem, IC yog pheej yig heev thiab koj tuaj yeem tau txais 10 daim rau ob peb npib xwb.
Tam sim no txuas txhua qhov kev tiv thaiv - lossis yog tias koj tau muab lawv ncaj qha koj yuav hla ntu no. Tom qab ntawd tau txais koj lub xov tooj cua guitar thiab ntsaws rau ntawm tus ntaus guitar thiab mus rau lub qhov nkag ntawm lub tshuab raj. Tau txais USB cable txuas nws mus rau lub txhab nyiaj fais fab, khoos phis tawj, laptop lossis USB them nyiaj txhua yam uas ua rau 5 volts yuav ua haujlwm zoo xwb.
Yog tias koj mloog lub suab nkig thiab tuaj yeem kho lub ntim siv lub pob qhov rooj potentiometer ua haujlwm uas txhua yam yuav tsum yog qhov zoo. Nco ntsoov tias qhov guitar amp no yog qhov yooj yim heev thiab tsis muaj kev hloov pauv mus rau qhov tsis sib xws, whammy, lossis yam ntxim nyiam. Txawm li cas los xij, lub suab zoo heev thiab meej ntawm lub suab - thiab rau qhov ntawd, nws yuav tsum ua haujlwm zoo ntawm hluav taws xob guitar ib yam.
Koj tsis xav tau tus hais lus kim kim - tus hais lus me me yuav ua tau zoo thiab kuv tau sib piv lub suab rau feem ntau ntawm DIY guitar amp uas tib neeg ua hauv YouTube siv TDA2030 lossis LM386 Kuv xav tias TEA2025B ua haujlwm zoo dua li ntawm txo suab nrov nrog rau lub suab nrov nrov. Qhov tseeb, nws tuaj yeem tsim suab nrov thaum nws nrov heev.
Pheej yig hauv tsev DIY guitar amp qis dua $ 5
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