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Cosmic Electronics

Cosmic Electronics

Күн бұрын

SAMSUNG 21"ULTRA SLIM PCB.
MAIN IC TDA12135PS/N3/3.
EHT AA26-00317A.
VERTICAL IC LA78045.
SOUND IC TDA7297SA.
STR POWER.
EHT SUPPLY LOW.
Solution:
1.Power on/Check eht supply voltage-----low.
2.Power off/Open eht supply coil.
3.Power on/Check eht supply-----high.
4.Power off/Add 100W lamp to eht supply.
5.Power on/Again check eht supply voltage------low.
6.Power off/Open IC KIA431.
7.Set new KIA431.
8.Power on/Check eht supply-----low.
9.Power off/Open optocuplor(817) and set new optocuplor.
10.Power on/Again check eht supply---low(same result).
11.Power off/IC KIA431 and optocuplor is ok.
12.Open transister Q806(2SC1815).
13.Set new 2SC1815.
14.Power on/Again check eht supply voltage-----ok.
15.Then--------

Пікірлер: 144
@mdbabul-wn9gq
@mdbabul-wn9gq Жыл бұрын
স্যার অনেক সুন্দর ভিডিও আমি সবসময় আপনার ভিডিও ফলো করে কাজ করতে পারছি
@CosmicElectronics
@CosmicElectronics Жыл бұрын
ধন্যবাদ
@ranasohel340
@ranasohel340 3 жыл бұрын
ধন্যবাদ অনেক ভিডিওর শেষের দিকে গুরুত্বপুর্ন তথ্য দেয়ার জন্য।
@irfanshafiqueelctronics5257
@irfanshafiqueelctronics5257 Жыл бұрын
Sir Exelint information vido great tech 110 %, really good work
@CosmicElectronics
@CosmicElectronics Жыл бұрын
Thank you
@dilipkarmakar3815
@dilipkarmakar3815 Жыл бұрын
Apner fault rectification process very much helpful.
@CosmicElectronics
@CosmicElectronics Жыл бұрын
Thank you
@aaminpathan7491
@aaminpathan7491 2 жыл бұрын
Sir...aap ki video pure india me dekhi jati hai...isliye aap hindi me banaye....plz
@CosmicElectronics
@CosmicElectronics 2 жыл бұрын
Thank you so much
@sulali7301
@sulali7301 3 жыл бұрын
Video me Dum Hai Sar .. Very Nice
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
Many thanks
@novelkharumnuid7621
@novelkharumnuid7621 2 жыл бұрын
Very nice sir, for showing all the procedures may you progress ahead.
@CosmicElectronics
@CosmicElectronics 2 жыл бұрын
Welcome
@MD-hp5hz
@MD-hp5hz 9 ай бұрын
Excellent information.
@jinnatalishaikh6101
@jinnatalishaikh6101 3 жыл бұрын
Tanks Dada.. Darun upkar pelam
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
অনেক ধন্যবাদ
@rakeshroy8478
@rakeshroy8478 3 жыл бұрын
Sir apnar sob' video khub sundor
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
অসংখ্য ধন্যবাদ
@rajubiswas9714
@rajubiswas9714 3 жыл бұрын
Dada ami house wiring er kaj kori ,apner vedio dekhe tv r kaj o korchi ami sotyi upkrit .prathame voy hoyechilo ekhon r ta hoy na.kintu dada led tv te voy lage.donyabad sir.
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
রাজু তোমার চেষ্টাই তোমাকে এগিয়ে নিয়ে যেতে সাহায্য করবে।
@rakeshroy8478
@rakeshroy8478 3 жыл бұрын
Very nice video.very good
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
Welcome to you
@DulalMajumder-m8t
@DulalMajumder-m8t 6 ай бұрын
Thank you sir, for share the video
@kakkusharma7754
@kakkusharma7754 2 жыл бұрын
Maine iss video ke help se ek tv repair kar liya 1815 kharab mila.
@CosmicElectronics
@CosmicElectronics 2 жыл бұрын
Many thanks to you
@ansarpurkait6270
@ansarpurkait6270 3 жыл бұрын
শুধু এটুকুই বলবো স্যার আপনার ভিডিওগুলো দেখে কাজ করতে পারছি,ও মনে প্রচুর সাহস পাচ্ছি
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
অসংখ্য ধন্যবাদ ANSAR.চালিয়ে যাও।
@rajannarayanan2759
@rajannarayanan2759 3 жыл бұрын
Very good explain thanks
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
Welcome
@chinmaydattta6402
@chinmaydattta6402 3 жыл бұрын
Nice video sir.
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
Thanks
@patelrajesh2971
@patelrajesh2971 3 жыл бұрын
Which digital multimiter best please suggestion sir ?
@aminulvivo1420
@aminulvivo1420 3 жыл бұрын
Very useful video my dada kemon achen apne my dada ❤️ u
@sathishcsathishc7399
@sathishcsathishc7399 Жыл бұрын
சிறப்பு 👍
@rajeshkarmakar1680
@rajeshkarmakar1680 2 жыл бұрын
Very good sair
@CosmicElectronics
@CosmicElectronics 2 жыл бұрын
Thank you
@deepdas5411
@deepdas5411 3 жыл бұрын
Very very good sir
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
Thank you
@sanjithansda8624
@sanjithansda8624 2 жыл бұрын
amar vhalo legeche sr
@patelrajesh2971
@patelrajesh2971 3 жыл бұрын
Good information thnks sir
@MuthuRaj-sunaudios1617
@MuthuRaj-sunaudios1617 3 жыл бұрын
Very very nice... Thank you sir
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
Welcome
@anandarajanandaraj9775
@anandarajanandaraj9775 2 жыл бұрын
Thank u sir useful us
@CosmicElectronics
@CosmicElectronics 2 жыл бұрын
Welcome
@mddelowarhossain9628
@mddelowarhossain9628 3 жыл бұрын
Onek valo...
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
Thanks
@pritamrajak7662
@pritamrajak7662 3 жыл бұрын
nice vedo sir,আপোনার service center এর ঠিকানা জানালে খুুব উপোকার হয়।
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
জেনে কিছু লাভ হবে না।
@bharatthakor3112
@bharatthakor3112 3 жыл бұрын
You are great sar...ji 😇
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
Thank you so much
@raviravi-tc3oh
@raviravi-tc3oh 2 жыл бұрын
Very good 👍
@CosmicElectronics
@CosmicElectronics 2 жыл бұрын
Thank you
@raviravi-tc3oh
@raviravi-tc3oh 2 жыл бұрын
Samsung CR TV L o t driver transformer transistor base volt please bro
@CosmicElectronics
@CosmicElectronics 2 жыл бұрын
0.4V
@bt2075
@bt2075 3 жыл бұрын
You are Great! Dada videocon crt TV Stanby. Voltage Video koren
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
Videocon playlist এ পেয়ে যাবে।
@ronyelectronics4704
@ronyelectronics4704 3 жыл бұрын
Dada I now your shop u r from Howrah B
@JhElectronics.......7235
@JhElectronics.......7235 2 жыл бұрын
দাদা আমার কাছে একটা samsung উল্টা 21" টেলিভশন.... eht এবং horizontal ট্রান্সিটর খারাপ ছিলো পাল্টে নিয়েছি.... কিন্তু বুজতে পারছিনা যে...... য়োক কয়েল ছাড়া কি.... eht হয়...... নাকি হয়না...... জানাবেন প্লিজ দাদা 🙏🙏🙏
@mrityunjoykumar9920
@mrityunjoykumar9920 3 жыл бұрын
Very good video sir
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
Thank you
@skgaffar6674
@skgaffar6674 3 жыл бұрын
standbay abasthay 87 volt chhilo na rilej abasthay ?
@somnathsamanta7062
@somnathsamanta7062 3 жыл бұрын
Very helpful guidance Sir
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
Many thanks to Somnath.
@thebabai398
@thebabai398 3 жыл бұрын
Sir, samsung ultraslim tv str- x6757(sk2N01F) er substitute e kon str lagano jabe???
@electronicshub24
@electronicshub24 3 жыл бұрын
খুব ভালো লাগলো Sir, তবে ট্রানজিস্টর টি মিটার দিয়ে মাপলে কি খারাপ ধরা যেতো Sir, না পর পর এগুলো পাল্টে দেখতে হবে। ধন্যবাদ।
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
তোমরা অবশ্যই প্রতিটি component মিটার দিয়ে check করবে। আমিও সেটাই করেছি। মিটারে transister খারাপ ধরা পড়েছে। কোনো সময় defect ধরা না পরলেও খারাপ হতে পারে। ভিডিওতে সবসময় দেখানো সম্ভব হয় না,কারণ ভিডিওটা অনেক লম্বা হয়ে যেতে পারে।
@electronicshub24
@electronicshub24 3 жыл бұрын
@@CosmicElectronics ঠিক Sir,
@jitumonipathak3284
@jitumonipathak3284 3 жыл бұрын
Very nice sir..
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
Many thanks to you
@subranilgupta9362
@subranilgupta9362 3 жыл бұрын
দাদা আপনার দোকান কোথায়
@technicalamiya383
@technicalamiya383 3 жыл бұрын
Nice video sir
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
Thank you
@ronyelectronics4704
@ronyelectronics4704 3 жыл бұрын
Nice video 👍
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
Thanks
@hemchandrathapa8604
@hemchandrathapa8604 2 жыл бұрын
Samsung model no. Cz-15k30mj power supply me kaunsa no.ka STR lagega
@umakantasahoo1413
@umakantasahoo1413 3 жыл бұрын
Q806 jo transistor lagaya 2sc1815 Q805 jo transistor konsa no bataye sir
@chinmaymitra9467
@chinmaymitra9467 2 жыл бұрын
Sir, samsung ultra slim power supply 100waat load 103 volt a6e ata ki ok?
@jagunupuja1980
@jagunupuja1980 3 жыл бұрын
Sir mere pass same pcb hai joki hundred lamp lagate thoh lamp dim jalta hai or banda hota hai please kya karu batao
@mdbabul-wn9gq
@mdbabul-wn9gq Жыл бұрын
স্যার এলইডি টিভি ভিডিও করলে ভালো হত
@lakshmananlakshmanan1009
@lakshmananlakshmanan1009 3 жыл бұрын
Good job sir
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
Thank you so much
@VelMurugan-cr7xf
@VelMurugan-cr7xf 2 жыл бұрын
Supersir
@CosmicElectronics
@CosmicElectronics 2 жыл бұрын
Thank you
@kishorlaria2170
@kishorlaria2170 3 жыл бұрын
Thanks for transistor information
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
Welcome
@nazmulhaquebarbhuiya423
@nazmulhaquebarbhuiya423 3 жыл бұрын
Video দেখার সময় যে প্রশ্ন গুলি আমার মনে এসেছিল সবটার উত্তর আমি Video তে পেয়েগেছি।
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
ওকে। ধন্যবাদ
@profullamandal6917
@profullamandal6917 3 жыл бұрын
Ul crt tv diode 306 , 3o9 পাওয়া যাচ্ছে না তার পরিবর্তনে কি লাগাব ?
@sanjoycomputer76
@sanjoycomputer76 6 ай бұрын
Thanks
@SohagsardarSohagsardar-zu8pi
@SohagsardarSohagsardar-zu8pi Жыл бұрын
Ultra slim tv ar new flayback garam ho raha hi kyu bataya please
@pranabkumarkhan6713
@pranabkumarkhan6713 2 жыл бұрын
dada samsung e tr plan 815 bohot use hota hay
@rajudhara2312
@rajudhara2312 3 жыл бұрын
স‍্যার দয়া করে আপনার ঠিকানা টা বলুন।
@bhaktdeshmukh8057
@bhaktdeshmukh8057 3 жыл бұрын
Super sir
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
Thank you
@mdrubelmia1201
@mdrubelmia1201 3 жыл бұрын
nice
@thebabai398
@thebabai398 3 жыл бұрын
Sir samsung 21 inch ultra slim crt tv te choper er theke jeta VCC point e zener diode diye connect thake setar voltage koto?(zener diode no-1N4752A)...er replace same number na thakle koto use korbo.. please reply sir
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
33V/1W
@thebabai398
@thebabai398 3 жыл бұрын
@@CosmicElectronics sir market e 1N472A available nei.. ekhon koto voltage er diode lagale tv normally cholte pare... Str-x6757..
@thebabai398
@thebabai398 3 жыл бұрын
@@CosmicElectronics sorry ota 1N4752A
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
27V or 33V zener available in market
@thebabai398
@thebabai398 3 жыл бұрын
@@CosmicElectronics thank you so much sir .. ❤️
@gangadhar.k.polali.3318
@gangadhar.k.polali.3318 3 жыл бұрын
Thank you Sir
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
Welcome
@dantaniashok9421
@dantaniashok9421 3 жыл бұрын
Sir aap circuits diagram kaha se download Kate hai
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
Self drawing.
@alihasanali4844
@alihasanali4844 3 жыл бұрын
স্যার 19 ইঞ্চি স্যামসাং এলইডি টিভি উপরের দিকে এক ইঞ্চি ছবি আছে পুরোটাই সাদা পর্দা পড়েছে কি করবো একটু সাজেশন দেবেন উপকৃত হতাম মেন পাঁচটা ভোল্টেজ ঠিক আছে
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
Panel board এর সমস্যা(T-CON)
@teyikenenirda1888
@teyikenenirda1888 3 жыл бұрын
C 2673 transistor equivalent or replacement
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
Search google
@bt2075
@bt2075 3 жыл бұрын
Dada Apnar Face ta actu Dekhaben?
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
কাজ দরকার।Face নিয়ে আবার কি হবে!!
@SantoshKumar-sg5ez
@SantoshKumar-sg5ez 3 жыл бұрын
H driver suply resister hit driver section 1 volt folt samsung ultraslim tv solusan plese
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
H osc section problem
@goutamroy4220
@goutamroy4220 3 жыл бұрын
Samsung plano crt TV power supply low. Ka431, op- to coupler, 4148, 120k changed but still voltage is low. 50 volt.
@lalchadvlogs2580
@lalchadvlogs2580 3 жыл бұрын
দাদা অক্টোকাপালের নং কত জানাবেন।
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
817
@aminulvivo1420
@aminulvivo1420 3 жыл бұрын
দাদা সোদু মাত্র ১৮১৫ খারাপ ছিল শুধু ট্রানজিস্টার এর কারণেই ভোল্টেজ লো হয়েছিল দাদা
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
একদম সেটাই
@aminulvivo1420
@aminulvivo1420 3 жыл бұрын
@@CosmicElectronics Ok my dada ❤️ u
@nazmulhaquebarbhuiya423
@nazmulhaquebarbhuiya423 3 жыл бұрын
একটি CRT Base Board এ সব voltage ok কোন color problem নেই অথচ Blue cathode supply Resistance এবং Transistor খুব গরম হচ্ছে । Transistor replace করে অন্য Picture tube এ দেখেছি কিন্ত problem same রয়েছে ।
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
Crt base board খারাপ হতে পারে। অনেক সময় base বোর্ড internally burn হয়,চোখে দেখা যায় না। সেক্ষেত্রে ভেতরে একটা কার্বনের স্তর পড়ে, voltage bypass হয় ধীরে ধীরে। transistor গরম হয়। এইরকম কিছু হতে পারে।
@kamleshchandrvanshi4324
@kamleshchandrvanshi4324 2 жыл бұрын
Volt nahi nikal raha hai sm ultr
@sushantamandal4431
@sushantamandal4431 3 жыл бұрын
Filament jolche kono light nei
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
G2 adjust by remote. Practical এক্সপেরিয়েন্স থাকতে হবে।না হলে পারবে না।
@sbt5138
@sbt5138 3 жыл бұрын
When you turn on the Samsung 21-inch CRT TV, the power goes out six times
@debkumarbar7134
@debkumarbar7134 2 жыл бұрын
Samsung 21" EHT FSV14A004F(S).B+ ok.180 v ok.hetar ac 9v .....?
@ravichandran-pc9jf
@ravichandran-pc9jf 3 жыл бұрын
Any other nomber use optocuplor or add same nomber
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
817
@chinmaymitra9467
@chinmaymitra9467 2 жыл бұрын
10 munite par 6810 short hoye ja66e
@dileswarmeher885
@dileswarmeher885 3 жыл бұрын
Thanks for the good information 👍
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
Welcome
@nandugade9360
@nandugade9360 3 жыл бұрын
What is number aptocuplor
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
817
@vinukrishnan8067
@vinukrishnan8067 3 жыл бұрын
This tv str number pls
@sekendarali3379
@sekendarali3379 2 жыл бұрын
3.3voltage for how zener NO
@CosmicElectronics
@CosmicElectronics 2 жыл бұрын
Zener 3.3V
@vinukrishnan8067
@vinukrishnan8067 3 жыл бұрын
STR number pls
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
Follow description box
@raviravi-tc3oh
@raviravi-tc3oh 2 жыл бұрын
L O t nambar please bro
@CosmicElectronics
@CosmicElectronics 2 жыл бұрын
AA26-00317/AA26-00319
@debkumarbar7134
@debkumarbar7134 3 жыл бұрын
Very nice video sir
@CosmicElectronics
@CosmicElectronics 3 жыл бұрын
Many thanks
@sbt5138
@sbt5138 3 жыл бұрын
When you turn on the Samsung 21-inch CRT TV, the power goes out six times
@sbt5138
@sbt5138 3 жыл бұрын
When you turn on the Samsung 21-inch CRT TV, the power goes out six times
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