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| power source Seventeam ST-220FUB-05E dead https://vlab.su/viewtopic.php?f=46&t=99504 |
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| eletmoraes [ 10 фев 2020, 19:32 ] | |
| Заголовок сообщения: | power source Seventeam ST-220FUB-05E dead |
I found the 5H0165R completely burned, capacitor C31 swollen connected on pin 3 of the 5H0165R, zenner diode ZD4 in short that is connected on pin 4 of the 5H0165R and the zener diode ZD1 connected on pin 6 of the L6561 in short of 20v. In addition to these components there is a resistor that powers the 5H0165R (pin 3 (VCC)) that is roasted, I just don't know its value. I need to know the value of the resistor R60 that is connected to the vcc pin of the 5H0165R, I think it is 1R or 18R. |
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| RsM [ 10 фев 2020, 21:01 ] | |
| Заголовок сообщения: | Re: power source Seventeam ST-220FUB-05E dead |
http://www.rom.by/files/350U.pdf 10-18R will be fine. |
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| eletmoraes [ 10 фев 2020, 21:34 ] | |
| Заголовок сообщения: | Re: power source Seventeam ST-220FUB-05E dead |
I wanted to see another question, at the moment I can't get the 5H0165R. I would have to buy but looking for parts in the workshop I found the 5L0365R. Know if I can put the 5L0365R in place of the 5H0365R, if so, do I need to make any changes mainly in the resistor that goes to the regulator's VCC? |
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| RsM [ 10 фев 2020, 21:45 ] | |
| Заголовок сообщения: | Re: power source Seventeam ST-220FUB-05E dead |
5H0165R 100kHz 5L0365R 50kHz So, you can't replace H by L. (need to change transformer, snubber). Resistor on VCC 10-18R (the same) You can replace 5H0165R by 5H0365R |
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| eletmoraes [ 11 фев 2020, 01:08 ] | |
| Заголовок сообщения: | Re: power source Seventeam ST-220FUB-05E dead [РЕШЕНО] |
thank you very much for the information and clarification |
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