dell Latitude e5440 .charging ic CD3301 HOW TO BYPASS
dell Latitude e5440 .charging ic
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by ThomasraudHello,
i have similar problem as https://www.badcaps.net/forum/showthread.php?t=37828
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-It works on charger (without battery connected-only charger)
-It works on battery (without charger connected-only battery)
-& it also works when plugged in battery & charger, but it's not charging the battery
//Confirming, i have same issue, but problem started from charger, centre PIN is outputing 10V+ and jumping randomly 19V
and..
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The IC cannot maintain the input current level... -
by master3112I would like to share my experience about charging issues with Dell power supplies with the tech community. I am working on a Dell Inspiron 5590, Mainboard 18778-1 with charging problems. The device can be switched on and works so far, only the message appears at startup:
Alert! The AC power adapter wattage and Type cannot be determined. The battery may not change. The System will adjust the performace to match the power available.
The power supply unit is not recognized in the Bios and the charging process is set to "idle". I use original Dell battery, type...-
Channel: Schematic Requests ONLY!
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by SarcasticOPGreetings,
I am working on a Bolt-L UMA MB 17938-1 board for a Dell Latitude 3500 and it is not charging. Plugging in the barrel jack and USB-C both results in about a .1a draw at 20v. I probed around and checked every capacitor I could find, as well as the inductors, and I got no shorts, so I checked to see if anything was happening under the thermal camera when plugged in and I see a slight bit of heat being generated by the Intersil 9538H IC, which appears to connect the battery to the charging line, but I may be wrong about that, I am not very strong on reading schematics, I mostly...10-25-2024, 10:01 AM -
by diamonI have a Dell Latitude 5530 with a damaged RJ45 network connector. See the attached pictures.
Have already searched on Farnell / Aliexpress / Ebay and had contact with several suppliers on Aliexpress and Ebay, but they cannot deliver this connector.
Is there someone inside the EU, who has these connector(s) or perhaps defective motherboard(s) for these laptop models I have mentioned in the topic title.
Pictures of these boards:
Dell Latitude 5520 https://www.ebay.com/itm/256052956663
Dell Latitude 5530 https://www.ebay.com/itm/125844181534
Dell...4 Photos -
by 0x0nullThis Dell Latitude 5530 will not charge when turned off. when turned on and in bios it will charge properly and the adapter wattage is shown.
I noticed that when in bios if the charger is unplugged the bios still reports the laptop as charging and the charging light in front of the laptop stays on
When charging, PL4401 has a stable voltage of 12.8V however when plugged in but not charging the voltage alternates between 4v and 12v on PL4401
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