Hi everyone ..
Im looking for schematics or diagram of this board.
MODEL : GS451 GS551 GS751 NM-C861 Rev 1.0 Lenovo IdeaPad 3
Im looking for schematics or diagram of this board.
MODEL : GS451 GS551 GS751 NM-C861 Rev 1.0 Lenovo IdeaPad 3
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Re: Need schematic NM-C861 please
anyone help ? -
Re: Need schematic NM-C861 please
Boardview onlyComment
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Re: Need schematic NM-C861 please
schematic
.Comment
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Re: Need schematic NM-C861 please
I/O board schematicComment
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Re: Need schematic NM-C861 please
do you have a guide to disable built in ram for this model please? motherboard methodComment
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Re: Need schematic NM-C861 please
Only firmware bios.Comment
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Hi everyone .. Im looking for bios dump of this board .
What just happened is the owner of this machine had an update to the bios and now the machine doesn't show any display .
here is the old file : http://www.medi*****************+14A...SVOD3.rar/file -
Hey everyone,
I'm currently working on a mid-70s Sharp Electronic Digital Clock Radio, Model FY-70CH. I found the service manual online, printed it out, and have been studying it for a while. My main reasons for tackling this are: (1) I want to learn electronics and figured I'd start with something I had on hand, and (2) I want to fix its issues. Right now, the radio sounds awful, has about 5V DC at the speaker terminals, and the alarm time setting doesn't work. But I'm not asking how to fix these problems.
Instead, here's what's been bugging me so far:
The schematic... -
Ii wonder if anyone can help me. I have a Acer x163w monitor which is not powering up. The PSU main capacitor's one leg had completly come off - I replaced it but the PSU is still not outputting DC. I found the monitor in questions service manual here on manuals lib but the schematic in there is a completely different - the schematic shows no mosfet to drive the transformer while the one I have does use a mosfet - also the schematic shows only one optocoupler but mine has two.
The PSU board is labelled FM-20A02-AAA made by APD as per the image below. I am trying to find a schematic for this... -
Had one of these come in for repair with a blown battery and a WiFi issue, battery has been replaced with genuine battery (twice) and won't take a charge works fine on AC, WiFi issue gone away. Looking for a schematic so I can trace the charger circuit UM562F is only one I can find, this is the 562AI model.Had a unit come in for repair — 562AI model — with a blown battery and WiFi issue. WiFi fault has cleared, but battery won’t charge despite replacing it twice with genuine parts. Device operates fine on AC power. Suspect charger circuit fault. Only schematic I’ve found so far is for...06-26-2025, 02:41 PM -
The Schematic and BoardView( *.cad ) of MSI Z390 A-PRO , the board model no is MS-7B98 Rev1.0-1.1 ....
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