Hello dear badcappers!
The title pretty much says it all - do you, please, know if there's any way to troubleshoot which of the integrated RAM chips (LPDDR5X in this case) is faulty?
[B]Backstory: [/B]
After replacing the 4 onboard (soldered) memory chips on a RoG Ally (4x4 GB to 4x8 GB) it got stuck on the RoG logo. I assume one of the chips is either not soldered properly or faulty. However after reflowing and replacing bunch of them I am still stuck at the same place.
If there is a way to narrow down which memory module is faulty it would make my...
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by Olles4Hello people. I trying to repair my welding machine oerlikon citomig 180mp hpf and there is a little board with blown stuff.The problem is i cant identify the value of the blown resistor and diode. Any suggestion?4 Photos05-18-2024, 01:22 PM
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by DynaxSCHi
I have an ROG MAXIMUS XII HERO (WI-FI) board with demaged PWM controller ASP1405I, and this is unfortunalely a programmable chip.
Without programming it, it won't start to work on the board - have checked this physically with a new unprogrammed chip.
I'm looking for information about the possibility to readout and program the ASUS PWM chip ASP1405I again with the firmware (configuration file).
To do this, it is necessary to buy a quite expensive I2C type interface card (named USB005), so I'm wondering if it is worth to spend the money, as this makes...Today, 10:50 AM -
by 220vdclegion 5 pro 16ACH6H NM-D562 rev.2.0 s/n PF32XDD2 bios chip 25LR128DSIG doesnt turn on, only power led on. I used ch341a and neoprogrammer to read gigadevice and flash GKCN60WW bios. If I press power button nothing happened, but processor is hot. please help to find a solution. I have a laboratory power supply, solder station and hot hair solder station. How can I check voltage on mother board? Thank you, sorry for m English...I am Italian...Today, 10:48 AM
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by mechguyI watch some basic TV using an ATSC tuner set top box which outputs HDMI to my LCD TV. The brand is Centronics, which seems like a fairly low cost (ie cheaply made) product. The UI is a bit crude looking compared to what I've seen on TVs that have the ATSC tuner built in (but it works!). Anyway, the set top box has always had an odd behaviour, which is that turning the device on using the remote would sometimes not "stick", that is, it would turn on momentarily and then immediately turn off. It didn't do this all the time, but it did this randomly since I've had it, which is 2009. Recently...05-17-2024, 12:44 PM
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Channel: Schematic Requests ONLY!
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by fredyjbiPlease help sir, this board does not turn on because VSYS_OUT is 9.2v, I compared it with a normal board VSYS_OUT is 10.2v, I have replaced the PQ101 and PQ102 mosfet and BQ 25700 which is known to be good, but the results are still the same, thank you
VSYS_OUT 9.2v
Meter in resistance mode auto range 6M ohm ok
NORMAL BOARD VSYS_OUT 10.2V
[COLOR=#8e44ad][B]LINK to schematic[/B][/COLOR] -> [url]https://www.badcaps.net/forum/troubleshooting-hardware-devices-and-electronics-theory/troubleshooting-laptops-tablets-and-mobile-devices/schematic-requests-only/77167-required-t480-nm-b501-schematic[/url]...05-06-2024, 10:48 AM -
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I'm fixing a Lenovo Legion 5P 15IMH (can't see more on cover, but I will put a pic of the MoBo's reference), and I have a problem. I have solved all the problems with several components which went bad (MosFets, +3.3/+5Vdc regulator, shorted EC), and everything is not shorted now, but the PCH is. So I need your help to order this chip. I don't know what is the designation in order to buy one (the one in the MoBo was removed because it has a shorted zone). Everything is clean waiting for a new PCH, but I have no clues in how to order one. Please I beg your help....5 PhotosToday, 09:44 AM
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by fichambaHello everybody:
I'm fixing a Lenovo Legion 5P 15IMH (can't see more on cover, but I will put a pic of the MoBo's reference), and I have a problem. I have solved all the problems with several components which went bad (MosFets, +3.3/+5Vdc regulator, shorted EC), and everything is not shorted now, but the PCH is. So I need your help to order this chip. I don't know what is the designation in order to buy one (the one in the MoBo was removed because it has a shorted zone). Everything is clean waiting for a new PCH, but I have no clues in how to order one. Please I beg your help....5 PhotosToday, 09:44 AM -
i need a bios 203021-1
lenovo ideapad flex 5
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by petermanhonyHello, is it possible to unlock the BIOS and see whether there is an option to automatically turn on when power detected?...
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by ProttHello dear badcappers!
The title pretty much says it all - do you, please, know if there's any way to troubleshoot which of the integrated RAM chips (LPDDR5X in this case) is faulty?
[B]Backstory: [/B]
After replacing the 4 onboard (soldered) memory chips on a RoG Ally (4x4 GB to 4x8 GB) it got stuck on the RoG logo. I assume one of the chips is either not soldered properly or faulty. However after reflowing and replacing bunch of them I am still stuck at the same place.
If there is a way to narrow down which memory module is faulty it would make my...Today, 12:05 PM -
by DynaxSCHi
I have an ROG MAXIMUS XII HERO (WI-FI) board with demaged PWM controller ASP1405I, and this is unfortunalely a programmable chip.
Without programming it, it won't start to work on the board - have checked this physically with a new unprogrammed chip.
I'm looking for information about the possibility to readout and program the ASUS PWM chip ASP1405I again with the firmware (configuration file).
To do this, it is necessary to buy a quite expensive I2C type interface card (named USB005), so I'm wondering if it is worth to spend the money, as this makes...Today, 10:50 AM -
by 220vdclegion 5 pro 16ACH6H NM-D562 rev.2.0 s/n PF32XDD2 bios chip 25LR128DSIG doesnt turn on, only power led on. I used ch341a and neoprogrammer to read gigadevice and flash GKCN60WW bios. If I press power button nothing happened, but processor is hot. please help to find a solution. I have a laboratory power supply, solder station and hot hair solder station. How can I check voltage on mother board? Thank you, sorry for m English...I am Italian...Today, 10:48 AM
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by nikita2Necesitaría los esquemas de la placa
LA-k241P Gracias de antemano-
Channel: Schematic Requests ONLY!
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by ChattFixHey everyone, I have an LG 65uq7050zud with a black picture but backlight is on. I tested the measurements from the PSU and they check out. I can’t find any service manual so I’m suspecting the main board. Any advice before I replace the board? Found them for around $60...Yesterday, 12:10 PM
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by bohabohaThe HILTI CPC battery flashes green but no tool starts or works. when testing the battery has 19.2v what could be the problem with them because I have three similar ones but there is nothing written on them all the patches are removed in the first B22 /4.0 with 19.2v the second one B22 /5.2 with 21.8v the third B22 /4.0 with18.3v are all three destroyed ? a bit difficult to believe have also tried other Hilti tools the same thing if someone who can help very grateful...Today, 08:05 AM
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by x_orange90_xI get backlights that stay on not there is no image. The tv does not automatically power on when plugged in either which I generally see happen when there is a fault. It responds as it should to the power button.
I checked the test points on the TCON and I have proper voltages except for at 1P15V. I don't know if that is supposed to be 15V or 5V, but either way I only get 1.134V on that point. I have 12V, 8V, VCC, and a small amount on the CKV point.
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