Thank you very much for your video, you have a good sense of hilarity :)), I live in spain, capacitors are very hard to buy by size, they are sold only in large quantities, you were lucky to find an original capacitor.
Peepaw did you check those hipot resistor. When you have capacitors in series parallel a resistor is for equalizing charge between them. Maybe one faulty resistor destroy that cap
TECHNICAL QUESTION I have "repaired" a heidenhain uvr150d power supply(75kw) and a need to do a technical question. The thing is I've found 4 igbt shorted and 2 400v caps broken, Ive replaced everything and checked for another broken components, I didnt find anything else malfunctioning. Its the firs time I "fix" this size of power supply. Ive connected it to the wall in the laboratory (3x 380V) and it worked fine the 5V and 24V. Then ive "shorted" the pins that enable the 650V DC bus and it generated it. The power fail led that was bright initially turned off and the READY UV led bright green. It was everithing fine. It worked well. But the problem is that I didnt use any filter or transformer or trhee fase capacitor (as the manufacturer recommends), so various home appliances (as 2 TVs 2 air conditioner boards and some cellphone power supply) exploted . Ive opened some of this boards and ive found 400v capacitors exploted, so there was a huge peak of voltage above 400V in the 220VAC line( maybe 800V peak). The answer is, are those harmonics natural to this size of power supply? The power supply is working fine and the harmonics its generating are normal? If I test it in the client machine with the appropriate filters transformers and capacitors would be ok? Or it may occur the same as here in the laboratory? Its the first time ive repaired this size so i dont know if it is OBLIGATORY the use of this filters.
Something that may help de-soldering uncooperative components is solder that melts at a Low Temperature -138°C (281°F) . Suck most of the solder off of the pad then add a bit of this stuff and mix it in. Works great on chips too both through-hole and surface mount. www.digikey.ca/en/products/detail/chip-quik-inc/SMDSWLTLFP32/5180411
![โกหกเธอทั้งนั้น (Pinocchio) - SERIOUS BACON [Official MV]](http://i.ytimg.com/vi/P1HhTYwrR5A/mqdefault.jpg)
an old man building legacy thru youtube...thank you very much!!!!your laugh means money from a finished job..
Love to see ur vedio. Help me to learn Wht inside
Sir you are doing good job..for new comers to this field
Thank you very much for your video, you have a good sense of hilarity :)), I live in spain, capacitors are very hard to buy by size, they are sold only in large quantities, you were lucky to find an original capacitor.
Peepaw did you check those hipot resistor. When you have capacitors in series parallel a resistor is for equalizing charge between them. Maybe one faulty resistor destroy that cap
Very nic wonderful boss.감사합니다
Best sir...
I like the part where you cover it with the plastic box
TECHNICAL QUESTION
I have "repaired" a heidenhain uvr150d power supply(75kw) and a need to do a technical question.
The thing is I've found 4 igbt shorted and 2 400v caps broken, Ive replaced everything and checked for another broken components, I didnt find anything else malfunctioning. Its the firs time I "fix" this size of power supply. Ive connected it to the wall in the laboratory (3x 380V) and it worked fine the 5V and 24V. Then ive "shorted" the pins that enable the 650V DC bus and it generated it. The power fail led that was bright initially turned off and the READY UV led bright green. It was everithing fine. It worked well. But the problem is that I didnt use any filter or transformer or trhee fase capacitor (as the manufacturer recommends), so various home appliances (as 2 TVs 2 air conditioner boards and some cellphone power supply) exploted . Ive opened some of this boards and ive found 400v capacitors exploted, so there was a huge peak of voltage above 400V in the 220VAC line( maybe 800V peak).
The answer is, are those harmonics natural to this size of power supply? The power supply is working fine and the harmonics its generating are normal? If I test it in the client machine with the appropriate filters transformers and capacitors would be ok? Or it may occur the same as here in the laboratory?
Its the first time ive repaired this size so i dont know if it is OBLIGATORY the use of this filters.
👏👏👏
Hi Peepaw, master, I just bought a fluke oscillscope, how you check UV/VW/UW signal? i thought it only can check U/V/W to ground, thanks
Something that may help de-soldering uncooperative components is solder that melts at a Low Temperature -138°C (281°F) .
Suck most of the solder off of the pad then add a bit of this stuff and mix it in. Works great on chips too both through-hole and surface mount.
www.digikey.ca/en/products/detail/chip-quik-inc/SMDSWLTLFP32/5180411