Hi,
a few weeks ago I saw offers for a MEC1503 on aliexpress. Out of curiosity, I bought one and was a bit surprised when the chip arrived: as you can see in the picture, it was significantly smaller than the original in my ThinkPad. Does this chip really exist in 2 sizes or is it just a fake?
[ATTACH=JSON]{"data-align":"none","data-size":"full","title":"grafik.png","data-attachmentid":3253284}[/ATTACH]Hi,
a few weeks ago I saw offers for a MEC1503 on aliexpress. Out of curiosity, I bought...
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by rumpumpel1Yesterday, 11:32 AM
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by AntonynlI have a tantalum capacitors with indicators EB 21 that measures only 22pF. See attached picture.
Since this is a windmeter that is normally in a very high mast I would like to get the correct replacement capacitor.
Is there somebody that can tell me what the capacitance and voltage of this capacitor are?
I don't feel confident that I can figure this out myself after searching around
Cheers!!2 Photos-
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by Carl0s-Hi,
Sooo - our IT got a pile of old iPads that the sales guys have been mistreating. These are free for grabs if you want to try to get one working. Thought I'd give it a try - if I get at least some life to I can give to my kid to entertain during a car rides.
But the iPad it self - its a 5th gen cellular model. When I initially plug it in it was completely dead. It was not recognized by my Mac nor it started to charge. Disassembled it opened up the battery connector and checked the battery voltage. My multimeter showed 0,7v. Had a spare micro-usb charging board lying...Yesterday, 12:51 PM -
by mikkele86Hello Im renovation a Luxman R-5045
On the attached picture there is a cap 0.047uF (47nF) and a resistor, 10ohm. What is their purpose ? and what would happend if I were to replace the caps with lets say, 10nF or 100nF ?
because thats what i got in stock :/
[ATTACH=JSON]{"data-align":"none","data-size":"custom","height":"566","title":"0,047 uF.jpg","width":"829","data-attachmentid":3253926}[/ATTACH]Hello Im renovation a Luxman R-5045
On the...1 Photo-
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by guizmo1967Hello,
My Asus monitor stop working today !! I found the problem on the main board, the power supply board is ok. It's Q9, a mosfet but I have no idea what are the specs since I don't have the schematic for that monitor !!
Can someone help me identified this mosfet ?
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by arecki09Hi!
Model: Lenovo L14 gen 2
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Laptop no boot, no react on power button. Power supply switch on 20V but consume only 0,11A. Electric i cannot found problem.
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Original bios in att.
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by rascaoHI i have a MSI [B]Katana GF66 11UC-045XES[/B], when i get it was turning on only for 1 seg and then off no display nothing, i download the bios from the MSI webpage and flash it with he SPI flasher, now on pressing the power button it turn on and stay on but no IMAGE, what i see when i create another dump from the new bios flashed i get a error on ME analyzer says "Warning: Data in Engine/Graphics region padding, possible data corruption!" after try to boot the laptop with the new bios clean downloaded from MSI, i try to clean the ME region but no luck i dont know how to doit on this...
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by monitronI am working on a HP Pavilion 27-d0010nd that has dark screen. It appears that the backlight is not working.
Now i discovered that the backlight circuit is on the scalar board and has a burnt mosfet. (caused by a ceramic capacitor short).
If anybody can help me identify the partnumber it would be a very great help.
The board number is:
L76838-001
L99794-001
BigBen Scalar board.
[ATTACH=JSON]{"data-align":"none","data-size":"medium","data-attachmentid":3253797}[...Today, 07:53 AM -
by dd10Hi, I need bios XFX RX-470P85 VC.0 hynix memory (red fan version). Bios found on TechPowerUp are for other versions (black fan) and displays error code 43
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by Super360Hi as you can see from title, I have a samsung tv here that will show the smart tv logo and then no picture after that even hitting input or menu on remote and shows nothing but the backlight still appears to be on. The tv will turn itself off after a minute or so automatically. I'm somewhat confused if this is either a eeprom problem or a bad led strip problem. The power supply makes a pretty noticeable humming sound when it's turned on leading me to believe one of the leds are shorted but idk honestly. Any of you guys have any help for me? I have a good multi meter and can take pictures of whatever...4 Photos04-13-2024, 10:05 PM
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by mikkele86Hello Im renovation a Luxman R-5045
On the attached picture there is a cap 0.047uF (47nF) and a resistor, 10ohm. What is their purpose ? and what would happend if I were to replace the caps with lets say, 10nF or 100nF ?
because thats what i got in stock :/
[ATTACH=JSON]{"data-align":"none","data-size":"custom","height":"566","title":"0,047 uF.jpg","width":"829","data-attachmentid":3253926}[/ATTACH]Hello Im renovation a Luxman R-5045
On the...1 Photo-
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by fredyjbiPlease help friends, thinkpad t480 nm-b501 is dead, help me fix it, thank you
usb meter 20v 0.00 amp, after I took the VSYS measurement the drop was only `9.2v which should have been 10.2v I measured from a normal matherboard machine, the VSYS path resistance to ground diode mode is 1900 thank you...Today, 08:34 AM -
by monitronI am working on a HP Pavilion 27-d0010nd that has dark screen. It appears that the backlight is not working.
Now i discovered that the backlight circuit is on the scalar board and has a burnt mosfet. (caused by a ceramic capacitor short).
If anybody can help me identify the partnumber it would be a very great help.
The board number is:
L76838-001
L99794-001
BigBen Scalar board.
[ATTACH=JSON]{"data-align":"none","data-size":"medium","data-attachmentid":3253797}[...Today, 07:53 AM -
by Carl0s-Hi,
Sooo - our IT got a pile of old iPads that the sales guys have been mistreating. These are free for grabs if you want to try to get one working. Thought I'd give it a try - if I get at least some life to I can give to my kid to entertain during a car rides.
But the iPad it self - its a 5th gen cellular model. When I initially plug it in it was completely dead. It was not recognized by my Mac nor it started to charge. Disassembled it opened up the battery connector and checked the battery voltage. My multimeter showed 0,7v. Had a spare micro-usb charging board lying...Yesterday, 12:51 PM -
by guizmo1967Hello,
My Asus monitor stop working today !! I found the problem on the main board, the power supply board is ok. It's Q9, a mosfet but I have no idea what are the specs since I don't have the schematic for that monitor !!
Can someone help me identified this mosfet ?
Thank you !1 Photo-
Channel: Troubleshooting Computer Displays
Today, 01:15 PM -
-
by rascaoHI i have a MSI [B]Katana GF66 11UC-045XES[/B], when i get it was turning on only for 1 seg and then off no display nothing, i download the bios from the MSI webpage and flash it with he SPI flasher, now on pressing the power button it turn on and stay on but no IMAGE, what i see when i create another dump from the new bios flashed i get a error on ME analyzer says "Warning: Data in Engine/Graphics region padding, possible data corruption!" after try to boot the laptop with the new bios clean downloaded from MSI, i try to clean the ME region but no luck i dont know how to doit on this...
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Channel: BIOS Requests ONLY!
Today, 12:49 PM -
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by dd10Hi, I need bios XFX RX-470P85 VC.0 hynix memory (red fan version). Bios found on TechPowerUp are for other versions (black fan) and displays error code 43
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Channel: BIOS & Schematic Requests!
Today, 11:59 AM -
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by EazyBoneGot this massive TV and tested they backlights and they were out. Took it all apart and replaced them. Put it back together and boom they work! I then run it for many hours and all still working. I then needed to factory reset to pass on to next person and...
I factory reset and it shows Hisense logo fully lit up, then Google logo for a couple of seconds and forces shut off. Now that's all the TV does. Hisense, Google logo force shutoff. How is this possible.. anyone have some experience or advice for this. All I can think is somehow I got a software corruption which is ridiculous...Yesterday, 07:31 AM -
by wolba123Hello, I need the circuit diagram and the Boardview view.
The exact designation is as follows: Stradale CMLH 18835-1
C31KJSJA
Can anyone help me with this?-
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