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Nokia 1203 Blue Lcd Problem Blue Display Problem Lcd Connector Ways Lcd is Not Working Lcd Blank Display 1203 white display nokia 1203 white. Nokia 1208 Charging Problem Not Charging Ways Solution nokia 1208 not charging jumper solution nokia 1208 charging solution nokia 1208 charg. Nokia 1202 1203 Ringer Speaker Problem Solved without IC nokia 1202 speaker solution nokia 1202 ringer not working nokia 1202 speaker jumper. Nokia 1203 white display problem solution jumpers ways 1203 white display jumper nokia 1203 display way 1203 white display problem nokia 120. Nokia (bell-bell po) or 1280 loght solution every so often I come across for a disease like this in nokia 1280 phone, the first step we analyze for nokia 1280. Nokia 1280 not charging solution, how to analyze test SCRING SCRING especially its broken or not, if you do break up the jumpers if you can short-circuit ic. Nokia 1280 Schema Bluetooth Also CanThis time we will discuss about the Nokia 5310 phone bluetooth problems, diseases like his usual position extravagant phone battery life but also hot phone phone Bluetooth also can not. I know that power is getting through because I can measure the voltage at the phone end of the cable, and the phone seems to notice when I connect the cable, but still wont charge. Rushing now but look for it and if no joy msg me via this answer in say 3 days time and Ill dig out a copy. Note: This is not a question about fixing consumer electronics, its about designing a charger compatible with a (non-)standard. I think I found it: Nokia 2-mm DC Charging Interface Specification. Im plugging it into a big power supply, so it can have as much power as it wants. As Russell said, the problem seems to be that Im able to deliver too much current. I cant point you to any referencedatasheet but from my experience in building a home-brewed charger, you need to limit the supply to deliver around 100mA. Ayan hq imageI dont have my schematics handy right now but the circuit I used was based from LM317. Also instead of 1.1Kohm, I used a 5Kohm trimmer so I can adjust the output voltage to 5.5V. Supply voltage is 12V so make sure to mount the LM317 on a decent heatsink. I have over-sized capacitors for input and output as I only have 2,200uF 25V available at that time. The reputation requirement helps protect this question from spam and non-answer activity. Not the answer youre looking for Browse other questions tagged usb charge or ask your own question.
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