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....
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Latest Topics
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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....Today, 09:44 AM -
by OmronGuys I have set top box which has no power on in specific case. When I insert antenna plug which has 12V on it because of dB gain device on top of antenna, device if its turned off, it will not turn on.
After I need to open the case and short + and - on ABS10 chip and after that device will turn on, without antenna plugged in, after its turned on I can plug in antenna and it will work fine, but I notice there is some extra heat inside the unit.
Is this chip okay? Rectifier bridge ABS10 JQC I don't think there should be connection like additional diode between plus and minus...Yesterday, 03:09 AM -
by HelikvarTv powers on and has backlights but no picture.All voltages from power supply to main board are correct.4 PhotosYesterday, 09:45 PM
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by haltorashi, anyone has the dan14bmb6e0 REV. E schematic?
Thank u!-
Channel: Schematic Requests ONLY!
Today, 10:00 AM -
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i need a bios 203021-1
lenovo ideapad flex 5
seriel no PW003H93...-
Channel: BIOS Requests ONLY!
Today, 09:17 AM -
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by Arc717I am trying to downgrade my bios on my Alienware so I can undervolt & overclock my CPU, and overclock my ram. I need to get to bios 1.2.2 for this. Dell doesn't allow downgrades, and their bios file is an exe compiled in c++, so I can't decompile it easily. I am wondering if I can flash the bios manually using a usb flasher. I would like to know if this is possible, and if so, where the bios chip would be. I know flashers are pretty cheap and the bios chip is 8-pin. There are two of these chips only when I open the back panel of the laptop. I'm not sure if there are any on the other side of...05-17-2024, 03:34 PM
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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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by pesteDell Optiplex 7010 bios OK
Motherboard D13_MFF_LUXOR_LOW
212045-1 [ATTACH]n3283250[/ATTACH]...-
Channel: BIOS & Schematic Requests!
Today, 08:50 AM -
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by Ajm121Hey Friends,
I have an MBP 2019 16" (A2141), i9/64Gb/1Tb, and recently the LCD went out. Not flexgate or Dustgate. Backlight is on and works, the board still works and posts to an external monitor. Not a software issue, absolutely nothing shows up onscreen except for backlight glow. opened the bottom cover and resistor L8504, a 120 ohm resistor (I believe) is fried, and fell off the mobo with a gentle touch. after it fell off, same problem with zero change observed which is why I think it is the issue. That resistor, acc to the 820-01700 motherboard schematic, goes straight to pin 46...05-16-2024, 02:28 PM -
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 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
seriel no PW003H93...-
Channel: BIOS Requests ONLY!
Today, 09:17 AM -
-
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 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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Channel: BIOS Requests ONLY!
Today, 02:42 AM -
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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 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.
I tried heating up the SoC on the main board but that made no difference. Disconnecting either ribbon from the TCON also...06-01-2024, 08:55 PM -
by haltorashi, anyone has the dan14bmb6e0 REV. E schematic?
Thank u!-
Channel: Schematic Requests ONLY!
Today, 10:00 AM -
-
by pesteDell Optiplex 7010 bios OK
Motherboard D13_MFF_LUXOR_LOW
212045-1 [ATTACH]n3283250[/ATTACH]...-
Channel: BIOS & Schematic Requests!
Today, 08:50 AM -
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by PCR ServicePlease help! Need bios:
Asus G532LWS-AZ137T (Motherboard: g532lws rev.1.3)
CPU I7 10875H
GPU RTX2070
QR Code on board: XM08MC02S7,L835NRKD0006YSMB,G532LWS,60NR02T0-MB8100,130,3C7C3F5C2361-
Channel: BIOS Requests ONLY!
Today, 02:32 AM -