One time I'll try do that , the tv work fine, but after short time can back, may be the power MOSFET of forward work so hard with 300 volts. Hope you are lukie this time. Excusme my bad English, Im Spanish from Argentina.
Hello Tevz I have been very trill with your levelled deep and vast knowledge in electronics I really appreciate your relentless instructive posts of which am one of most benefited .may GOD reward you, I had a pfc issue with 26 inch Samsung lcd when I did the bypass it couldn't work .Please help how do I boost 300vdc to 390vdc to make it work thnx a lot
The only way to boost it to 390 volts is to repair the PFC. There are resistors connected to the main capacitor that you can modify to somehow start the main power supply. Example a resistor connected to b+ of the main capacitor value of 3.3 mega ohms. try to parallel a 2 mega ohm of that resistor which is connected to the B+ main capacitor.
Pienso que para aumentar la tensión de 300 voltios se podría intentar hacer un doblador de tensión como traían los viejos tv de TRC que servía para trabajar con 110 y 220v.
Hello. If there is a short circuit in the circuit again after the repair, how will you notice the short circuit despite putting resistance in the circuit input
Resp Sir! Very Nice Sir. Sir My HP Monitor Balack Sreen CPU Connected after Vertical Lines Sir Where the Problem Sir Please Advise Sir. -- ChinnaRao Paderu Andhrapradesh
sir i have a question about mosfet removing and replace to wire from schematic if you 300v and gnd are connected i think a short have can you explain pleaase and big thank
hello your video concerning food interests me. I have to admit that I didn't understand anything. can we remove the mosfet and cut a line and it works? help me I don't understand. I want to understand .
Thank you so much you are a great teacher I have be facing this problem for so long you have given me solution today ❤❤❤
Thanks, sir, for sharing this video
This is phenomena 😮
💐very nice video sirji thank you,,,,,, 🙏.
Good job thanx for sharing Mr Tevz the master of electronics
Thanks for watching!
Saludos mi amigo, presente en su nuevo video, saludos desde México.
Hi sir iam in tamilnadu
Did you repair that tv?
Good job sir ❤
Hello sir fewest day a go I do not seen your post I hope there is no problem thank for your good job
All good
very good job, i thing you are the king of repairmen
Thanks. Good. Information 💯
Informative indeed
Thanks for sharing God bless
nice job master as always
Very nice vdo sir ❤
Thank you for sharing host
It's my pleasure
Very good video 🎉
Helo I am fan of tevz your channel always watching
Hi friend thank you for the informative video
I've known the pfc to fail on atx psus. Good video and always appreciated your work x
Thanks 👍
Merci bon travail comme toujours
Your all video is nice 👍👍👍👍 u
Sir can you make 1 videos explaining the schematic diagram of TV power supply with pfc section that will be helpful for us
Terima kasih pelajarannya
بروفيسير والله تسلم ايدك
How much did it cost the client...
salamat sir sa video,God bless..
Hello, Tevz. I hope you're well 🎉
any body can givme a hint by the way goood work sr yor videos are very good
One time I'll try do that , the tv work fine, but after short time can back, may be the power MOSFET of forward work so hard with 300 volts. Hope you are lukie this time. Excusme my bad English, Im Spanish from Argentina.
شكرا،لمشاركة التجربة
Thanks a lot for the video.👍
👏👏
good work
thanks for helping us cos we are learning from each of ur videos
amazing
Thanks
Thank you
❤❤❤❤❤❤❤
Hello Tevz I have been very trill with your levelled deep and vast knowledge in electronics I really appreciate your relentless instructive posts of which am one of most benefited .may GOD reward you, I had a pfc issue with 26 inch Samsung lcd when I did the bypass it couldn't work .Please help how do I boost 300vdc to 390vdc to make it work thnx a lot
The only way to boost it to 390 volts is to repair the PFC. There are resistors connected to the main capacitor that you can modify to somehow start the main power supply. Example a resistor connected to b+ of the main capacitor value of 3.3 mega ohms. try to parallel a 2 mega ohm of that resistor which is connected to the B+ main capacitor.
Pienso que para aumentar la tensión de 300 voltios se podría intentar hacer un doblador de tensión como traían los viejos tv de TRC que servía para trabajar con 110 y 220v.
Great work as always thank you.may you consider show how to modifiy dual mosfet power supply like what you do with str w6053 .thank you
Hello. If there is a short circuit in the circuit again after the repair, how will you notice the short circuit despite putting resistance in the circuit input
good Hello, I am confused. Will it work or not when PFC is removed in all TVs?
Resp Sir! Very Nice Sir. Sir My HP Monitor Balack Sreen CPU Connected after Vertical Lines Sir Where the Problem Sir Please Advise Sir. -- ChinnaRao Paderu Andhrapradesh
cut ckv
Thanks
Greetings from Venezuela, excellent video, one question: what resistance did you place for protection?
220 ohms
Thank you sir ji🙏🏻
Most welcome
Harang
You just short the connection of the diode which is directly goes to the output and cut the mosfet connection, is that it?
yes
Thanks sir
Where can I find a video describing such a pcb with its diagram please
hellow you took two pices of the board it realy don need them for the right wayb t work of the tv , I don understend how it work whitout the mosfet
sir i have a question about mosfet removing and replace to wire from schematic if you 300v and gnd are connected i think a short have can you explain pleaase and big thank
hello your video concerning food interests me. I have to admit that I didn't understand anything. can we remove the mosfet and cut a line and it works? help me I don't understand. I want to understand .
keep watching
why did you cut the trace that power the PFC circuit IC? removing the PFC transistor and diode was not enough?
MOSFET& rectifier also shorted?????? what's going on?& mian capacitor?????
Hola tevz y como hace la fuente el suicheo quede perdido si quito el mosfet y el pfc quede gringo como decimos en nuestro pais🤔
I just removed the PFC become like a normal power supply circuit.
Resistance value type please sir
220 ohms
Thanks sir
Hello, do you always bypass PFC if it is defective?
if necesary
hello po san po location nyo and san po kayo ma cocontact?
لقد اوقفت عمل pfc
21:42. ?! Video editing
Sir idol dina po ba aalisin ang WD40 sa board, ang ibig kopo sabihin dina po ba lilinisin like thinner po?
hindi na
WD40 is non conductive, its safe to use on circuit boards..
На люмінесцентних лампах не запрацює
ther,s adestortion near you
The process will not always work🙂
what's the meaning of the pfc?????
power factor correction