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Someone can suggest me to try to replace ILS95859 or will it be useless?
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DELL EDC50 LA-G901P REV.1.0 (A00) boardview and schematic
Hi,
someone have a EDC50 LA-G901P REV.1.0 (A00) boardview and schematic
Thanks...
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hi, if you mean 1.8VSUS, yes it's present.
I add a photo about that....
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Sorry, but when I power on it the enable are 3.3v and when a power off the enable is 0v.
I don't think the problem is bios and the cpu too becouse, vcore there isn't so the cpu not work...
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No +VCORE in acer TravelMate TMP2510
Hi everyone
I have a problem with this laptop that won't turn on.
The +VCORE is not present and doing some measurements on the ISL95859 I notice this:
VIN present 19.5V
VCC present 5V
VR_ENABLE present 3.3V
PWM_A present 2.5V
FCCM_A not present
PWM1_B present 2.5V
PWM2_B present 2.5V
FCCM_B not present
PWM_C present 0.32V
FCCM_C present 5V
In these conditions should the ISL95859 works and therefore enable the FCCM_A and FCCM_B pins or do I have to check other lines for it to be enabled?
Maybe the...
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How to create a profile for ACHI IR PRO SR (my first time with BGA machine)
Hi everyone, I recently purchased a BGA machine (ACHI IR PRO SR, 2400W IR Bottom and 450w IR Upper) but I don't know how to create the processing profiles. I need to desolder a faulty GPU on a laptop.
As software I was thinking of using this:
[url]https://www.badcaps.net/forum/troubleshooting-hardware-devices-and-electronics-theory/equipment-usage-soldering-techniques-and-reviews/56054-new-software-achi-ly-by-psoft[/url]
Can anyone tell me the most suitable or common heating curves for soldering and desoldering?
Thank youHi everyone, I recently
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I think you can use the software in this post. Read it.
[url]https://www.badcaps.net/forum/troubleshooting-hardware-devices-and-electronics-theory/equipment-usage-soldering-techniques-and-reviews/56054-new-software-achi-ly-by-psoft[/url]https://I think you can use the soft...by-psoft[/url]
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Thanks a lot for your answer. Mayby I'll replace the gpu. I'd like to try that. ...
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Hi everyone, I wanted to revisit this post and ask you what I can still try:
in the motherboard of an acer predator 15 G9-593 I removed all the Vram because I had a very low resistance between the Vdd and Gnd 1.2ohm.
Once I removed the Vrams (6 modules) I noticed that the resistance had risen to 5.52 ohms.
I reinstalled all the new Vrams and the resistance to ground is still the same as 5.52 ohms
Unfortunately I don't have any videos. The laptop turns on but the screen remains black.
Now I have these questions:
- it is correct to have a...
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Sorry, I didn't explain myself well. Ok, you said it's right to have 5.2 ohms after the VRAM coil even though I removed them all. However two of six of these modules have between Vdd and Vss 1.2 ohms the other 60 ohms. So two need to be replaced. I hope to find that model of ram because I can't find them when I search. There is no specific model written. The logo is a stylized "M"....
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Sorry but in a similar BoardView the Vdd (+VBFDDQ) that i have shorted is not connect with CPU. I add a screenshot of boardview
Can you explane me?...
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Hi, thanks a lot for your support. Last question: you mean is shorted inside GPU (in my case invidia) not CPU (Intel) right?...
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I removed all the RAM modules and only two measured 1.2 ohm, the other 4 (between vdd and vss) measured 60 ohm.
However in the coil output I now have 5.3 ohms
I don't know what to control anymore.
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The short circuit is in the RAM part. In fact, the vdd of the ram measures 1.05 ohm to vss (gnd). What I don't understand is that by removing two ram modules, they always measure more than 1.2 ohm between vdd and vss. Is it possible two out of two we are short? Then probably the others on the motherboard are too. Looking at a boardview of a similar card, I notice that the trace that goes to the VDD of the RAM also goes to the GPU pins. Anyway, in my opinion I should try, at this point, to remove the other RAMs. What do you think about it? Thanks again.
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Hello and thanks for the reply. In fact, when I raise the RAM coil I still have the short. So I tried removing two RAM modules but the short persists. By measuring on the two modules between Vss (GND) and Vdd I noticed that I have 1.2 Ohm (I based it on the diagram I attach). Is it possible that both modules are short-circuited and that there is still a short in the board anyway?
I'll try to remove all the Ram modules (6 in total) and if I still have the short maybe it's the GPU....
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Schematic e Boardview Acer G9-593
Hi,
someone have a Schematic e Boardview of Acer G9-593
Best Regards
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Acer G9-593
Hi everyone, this is my first post and I hope I'm not making a mistake.
I'm struggling with a repair of an acer predator g9-593. It doesn't turn on.
On the RAM coil I have 1 ohm and it doesn't seem normal to me.
Could someone tell me how much more or less it should be?
Thank you.
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