#Chinatv

CHINA TV 21"NORMAL PCB
MAIN IC 8873CSCNG 6PR6
EHT BSC25-T1010A
VERTICAL IC LA78040
SOUND IC CV203
CHINA TV POWER OUTPUT VOLTAGE HIGH
1.Power on/Check EHT supply voltage---high.
2.Power off/measure transistor C1815.
3.Measure zener diode 6.8V----ok
4.Measure Optocupler.
5.Open transistor C1815.
6.Measure transistor C1815----Short.
7.Set new transistor C1815.
8.Power on/Measure EHT supply voltage---same(high).
9.Power off/Open Optocupler
10.Measure Optocupler-- reading ok but it will be replace.
11.Set new Optocupler.
12.Then----------

[@mdaminulislam9945]

দাদা আপনার ভিডিও আমি ক্লাস এর মত মনে করি /আর আমার কাছে অনেক বেশি ভালো লাগে দাদা আই লাভ ইউ

[@CosmicElectronics]

ধন্যবাদ

[@sulali7301]

Aap video Bahut Achha Banate Hai Dada

[@CosmicElectronics]

Many thanks to you.

[@harishpowle7305]

Very nice 👍

[@CosmicElectronics]

Thank you

[@tapanbiswas6421]

Thanks you sir, I want to know your address and learrn led tv repear,

[@kamaluddinansari3338]

Sir.namaste.merepaas.chaina.CRT.bord.hai.110.volt.pr.high.volt.bantahai.Maine.copler.Tl.431transistor.preset.badalkar.dekha.phirbhi.110.volt.nahi.bana.agla.problem.Kay.ho.sakta.hai.str.CQ.765.bhi.badal.kar.dekha.koi.risponc.nahi.hua.age.sir.kya.ho.sakta.hai.sir.

[@aniksnal9527]

Good job

[@CosmicElectronics]

Thank you

[@aviraj5980]

Sir Jii 🙏

[@iqbalmunshie8162]

ধন্যবাদ ভাই

[@CosmicElectronics]

Welcome

[@sudhirdhurua2497]

Good information

[@aminulisiam1076]

Very nice video dada

[@sharlottaylaran6401]

Sir tanxs, your nice video,

[@CosmicElectronics]

Ok

[@muruganm.murugan8529]

Your electronic god sir

[@rameshkanthale6150]

महाराष्ट

[@CosmicElectronics]

Welcome

[@mdnurul8663]

Thanks you very much sir.

[@asishkumarroychoudhury773]

Sanui 14" chief set. Low power supply 95v how to solve

[@MdRubel-nu5xk]

স্যর টিভিতে AV জ্যক লাগালে dth box খারাপ হয়ে যায় , এর সমাধান ?

[@brianoconnor3187]

nice help by english

[@siyamelectronix2766]

দাদা ultra slim 21ins tv তে আমরা 8873 ic বোর্ড দিয়ে কিভাবে চালাবো pls বলবেন বা প্রাকটিক্যাল video দিবেন

[@jitumonipathak3284]

Nice sir

[@aminulvivo1420]

Good information dada Kemon acen apone sir 🌹

[@CosmicElectronics]

ধন্যবাদ। ভালো আছি।

[@SUBRATAROY-bv1ed]

দাদাBPL14"টি ভির ছবিওকালার ঠিক আছে কিনতু:::::::::::এই রকম ‌দাগ উপর ওনিচে হয়ে আছে। ভাটিকেল আইসি মেন আইসি মেমরি ।কেপাসিটার‌‌‌ বদল করে ছি ।আসলে সমস্যা টা কি বুঝতে পারছি না।

[@karthikraj550]

Good 👍👌

[@Santosh96Electronics]

Good

[@bharatthakor3112]

Good...👌

[@prakashfulzale7642]

Optocopler dengerous component.

[@vipultumme5985]

सर हिंदी मे व्हिडीओ बनओ आपकी भाषा समज मे नही आती

[@siddharthabarman909]

Sir sansui tv 14"110v ok. But eht b+ a connection korla all voltage chola jacha...tv cholcha na......jampar khula dela... set on korla sob volt ok please 🙏....bolun

[@CosmicElectronics]

Open eht supply
Then add 100W lamp.
Power on,if lamp glow & 110V ok-----eht section or output section fault.
Otherwise power fault.

[@siddharthabarman909]

@@CosmicElectronics thank you so much 💞

[@siddharthabarman909]

@@CosmicElectronics sir lamp glow hoche na ....step by step bola den ki korbo... please 🙏

[@CosmicElectronics]

Check power section step by step

[@siddharthabarman909]

@@CosmicElectronics ok sir thank you

[@sakeerhusain9246]

Ya siple complent

[@OkilSk-uv2xx]

O9

[@surajfreedish9777]

Good morning सर हिंदी में बोलो बंगाली भाषा समझ में नहीं आती है