Samsung galaxy sm A127f frp bypass tool

 Tool gratis hodi bypass frp samsung galaxy A12 sm A127f 

Tool download

Tenke instal samsung usb driver

Adb driver

Maneira loke pin/password oppo f9

 Oppo f9 bele loke password liu husi meta mode ho aplikasi Mtk auth bypass tool v25 laho tespoint ou lapresija test point ou lapresija sobu telefone.

Uza deit kabel data, komputer no aplikasaun mtk auth bypass ita bele ona loke kode/pin ou password telefone oppo f9.

Aplikasi bele download iha link kraik;

Mtk auth bypass tool v25

Obrigado.

Voltagem motherboard laptop

 Voltagem antes no depois switch mb laptop

Maneira hadia laptop

 Kriterio laptop bele moris mak corente sira nb ita presica chek hanesan iha imagem tuir mai

Alemde kriterio iha leten, ic bios mos bele sai problema laptop labele moris. Karik kriteria corente sira iha imagem iha hotu on mak nafatin lamoris ita precisa flash fali ic bios tuir tipe laptop nian.

Obrigado.

Hadia vcore adp3188

 Adp 3188 laiha vcore ita precisa/importante chek 

Pin 28 Vin, pin 11 en, pin 8 resistor FB no pin 15 resistor ilimit hanesan iha desenho iha kraik

Obrigado

RT8105 buck converter laiha corente

 Maneira hadia buckconverter rt8105 laiha corente mak hanesan chek vin no resistor FB iha R3 68 ohm iha imagem tuir mai

KA 3511 controller power supply voltage adjustable

 You can remove protection of ka3511 and modify to adjustable voltage regulator like image :

 

You can modify yourself.

Oppo A83 unlock with MRT V2.60

 Steps to unlock oppo A83 screen lock

1. MRT V2.60

2. Go to MTK Tools setting like next image 

3. We need a test point on oppo a83 device

4. Click on start 

Wait when the process complate, like image at steps 2.

5. When finish the phone no restart automatically, and you can start it manually.

Now setup device to use and enjoy.

Sn51dp protect, led driver

 Maneira hadia driver led sn51dp protect, ita bele connect resistor 22k entre gnd ho pin 6 driver sn51dp hodi halo led lakan normal fali. Tuir mai datasheet ic driver sn51dp:

Liga resistor 22 k husi pin 6 (ref) ba gnd.

Maneira loke pin, password and pola VIVO Y55A

Unlock vivo Y55A PD 1613-A-9.999.99

Unlock pin password via MRT V2.60

Phone info :

MRT v2.60

Process :

1.       Open MRT V2.60 (download yourself in google)

2.       Menu Qc tool

3.       Tick format menu

4.       Com 9008 port

5.       Boot file (open unlock file MBN)

6.       Start

7.       Unplug  device

8.       Power on device

9.       Set up and ready to use, 

        Use code *#812# to sigging to menu

        finish

MBN file download tuir mai :

Download

Unlock without internet connection

Schema samsung SIII gt-i9300

 Download schema samsung SIII gt-i9300 iha ne,e gratuita ba belun electronico sira.

Tone control low, mid no high power amplifier

 Tone control low , mid no high power amplifier  hanesan iha imagem kraik bele hamosu lian nebe ita hakarak no midifika nomos bele  uza ba speaker low, mid no high mos. nunee bainhira ita hakarak modifika bele uza ba fatin nebe ita hakarak tuir speaker nebe ita iha hanesan iha uma nomos iha campo/lapangan.

Ton control refere mos fasil atu modifika ba iha power amplifier li-liu ba belun eletronico sira.

Maneira modifika power OCL ba TEF (Triple Emitor foilower)

Power amplifier OCL ita bele modifika ba TEF mak hanesan tuir mai :
Resistor final ga R kapur ba speaker iiita itroka ho resistor 1000000 ohm no emitor husi tr fnal antes ita liga ba transistor final modifikasaun. atu komprinde diak liu ita ba observa figura tuior mai :

mak ne,e deit  i obrigado.

Analiza Modifika Power Amplifier OCL

Maneira Analiza Modifika Power Amplifier OCL ita bele analiza ba figura nebe hau hakerek liafuan balun iha leten tuir mai :

Ba maluk sira nebe esperiensia modifika ona, bele hadia liu husi coluna comment iha kraik, obrigado.

Maneira Modifika Power Amplifier OCL (Output Capacitor Less) nune,e bele uza voltagem bot.

Hanesan topico iha leten, liu husi hau nian esperiensia nebe hau hetan mak hau modifika power amplifier OCL (Output Capacitor Less) nebe uza voltagem kiik hau modifika ba voltagem bot nune,e  nia lian bot no bele uza ba ambiente extenal por exemplo nia uza voltagem 25 volt hau modifika ba 42 volt ba leten. atu hatene ho diak mai ita observa skema power OCL balun tuir mai :

hanesan iha topico postingan, atu bele aumenta voltagem ba power amplifier iha figura iha leten iha komponente balun nebe ita sei modifika atu nune,e bainhira uza voltagem bot komponente sira labele at mak hanesan komponente sira tuir mai :

1. Tr Q1, Q2 no Q4 troka ho Tr 2N5401, no Q3 troka ho Tip 41

2. D1, D2, D3, D4 no D5 troka ho IN4002

3. capacitor Polar hotu ita troka ho 100 micro farad no 100 volt

4. resistor R8, R9, R10, R11, R12, R13 no R14 troka ho valor nebe hanesan maibei ho 2 watt, no            hamenus valor R3 ba 330 no R9 ba 3,3 k.

ho Maneira hanesan iha leten ita bele uza voltagem 45 volt CT.

Polytron osd letra nakdoko

Polytron ho problema logo polytron nakdoko tun sa'e ita bele solusiona ho maneira aumenta Capasitor 102 ba pin Heater (H) ho gnd. Maneira nee hau halo tamba hau troka flyback polytron tuan ba polytron foun ou contrario.
ok......... 

Polytron corrente STB 5 volt tun

Baseia ba topik iha leten polytron corrente Stb 5 volt tun mai 4 ou 3 volt halo mesin la start, ho problema ida ne,e hau iha esperiensia atu resolve mak hanesan :
1. Capasitor 50v 100 micro farad iha parte corrente 38 volt mate, solusaun troka capasitor ne,e
2. Dioda supply corrente 38 volt mate, solusaun troka doida refere 
Mak ne,e deit esperiensia mak hau fah'e baseia ba topico iha leten no obrigado.

Kompriensaun kona ba power suplly Polytron

Power suplly polytron iha parte rua mak hanesan runer no regulator dala barak parte runer at mak hanesan elco 400 volt sei rai corrente no bainhira at iha parte regulator mak hanesan corrente la stabil hanesan ita hakarak.
parte sira ne'e bele hare iha imagem tuir mai :

Mak ne'e deit mak tips kona ba kompriensaun power suplly polytron no obrigado.

Compreensaun corrente T-Con LED

komprensaun corrente T-con nian mak hanesan :
VGH = Von (25-30 volt) ho VGL = Voff (8 - 15 volt negatif) mai husi  Avdd (15-17 volt)
Vcom (6-7 volt) ba panel kaca
Vlogic = Vdd
VAA = VS = AVDD

Polytron 123 lampu no ecraun piska

Polytron 123 tubu lampu ho ecraun piska hanesan ou ecraun piska tuir lampu stb piska, iha ne,e iha esperiensia ida mak hetan tuir hau diagnosa mak supply 5 volt ba ic program. corrente ba ic program mai husi :
1. Quando tv ho kondisaun off corrente mai husi 38 v (corrente ba iha driver horizontal)
2. Quando tv ho kondisaun on corrente mai husi 12 volt
Ho nune'e hau hetan katak nia piska tamba corrente mai husi 12 v kotu no hela corrente mai husi 38 volt. nune,e nia labele on tamba maske ho kondisaun off nia iha 5v iha ic program maibe quandu nia on corrente sei transfere ba iha 12v maibe tamba 12v nia kotu entaun nia labele supply 5v ba iha ic program ho kondisaun on.
12v kotu iha komponente nebe deit mak iha ligasaun ho corrente 12 v ba Tr 504 liu husi D 510 no iha ne,e hetan duni  D510 kotu.
Mak ne,e deit hau nia tips, ba atensaun lahaluha hatoo obrigado barak.