Recent content by fschoova

Hi dear Joost, Unfortunately not, I thought the first repair was ok but finally no current from the charger. After this I had to concentrate on other works and nothing moved since :( (my only fault) I hope to work again on it soon. Best regards and good luck. Fred

Sorry I'm really over worked those days. I measured between the diodes and the ground and there is about 0.6 or max 2 volts DC according to the one measured. I don't think there is shortcut, I still have to watch. I do it as soon as I can. Thanks !

Hello, It seems I concluded too fast :) I've done the second reparation today and the two leds are now on when plugged in. The reason why I assumed it was working back. I did not connect last time to the battery as I was sure it was fixed and as the battery was already full. Today I tried with...

I planned to do the reparation this evening (I brought back the second charger) but I have to go now to my yoga first :) In any case I will do it this week, I'll keep you informed. Thanks

It seems I've not the rights to edit the topic of the posts to add "FIXED" :?

Dear dnmun, I received your compounds today. Perfectly well packed :) I've done the reparation already on one charger as the other one is still at my working place. And guess what... it worked perfectly, the charger is working back. I'm confident the it will be the same for the other one...

You send already ??? It is so nice of you ! Please pm for the bank things :)

Hi dnmun about the connection of the battery before or after the main. You will find on the Albert webside http://www.avdweb.nl/solar-bike/electronics/portable-lightweight-lifepo4-ebike-battery-charger-800g.html#h0-1-2-5-the-battery-charger-circuit look on point 3: Charger modifications...

Maybe you are right and I shorted something because the resistance are not conductive at all anymore or m'I too tired?? from BtoE or CtoE red to black there is no conductivity for both Q1 and Q2, I still have to redo the measurements to understand sorry :) I will do this tomorrow evening. By the...

I understand, you are right but I was just about to test the main in the entrance (red and black cables) when the spark flashed. I just edited the precedent post to add the test of Q1 and Q2, just tell me if I've tested in the wrong way :)

You are simply right and I love to see that people like you exist on this earth, teaching others in a so altruist way/manner, disponible and conscious, a true teacher :) This is a wonderful positive aspect of the internet. Keep going like this, stay an exemple for others :wink: I tested the...

fantastic :) I would buy from you with pleasure ! I just have to check the second charger to see if it is the same problem and let you know. Thanks again

ok, I'll do that. I suppose the best will be to change both the transistors and the resistance on both the chargers by j13009 ? Is it good for the transistor? http://docs-europe.electrocomponents.com/webdocs/12cf/0900766b812cf8af.pdf from...

It is always a real pleasure to read your comments so precise and instructive :D Thanks ! If it is well the death of the transistors, do you understand why/how it happens? I used to always connect the battery before the main power because I read somewhere it was better... When connecting the...

ok :) Yesterday I plugged the non opened charger to the main and after a while tested for the heat. No heat produced to the side of the transistors but heat produced on the other side where there are also TO looking like transistors (which are not transistors?) On the opened one, I removed the...