Schematic laptops

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  • TinkerTron
    Schematic vs. Reality: Where Are the Resistors on My Sharp Clock Radio? Model FY-70CH
    by TinkerTron
    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...
    3 Photos
    03-06-2025, 02:03 PM
  • atunguyd
    Acer x163w Monitor PSU schematic
    by atunguyd
    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...
    03-05-2025, 02:08 PM
  • diamon
    Dell Latitude 5520 completely dead
    by diamon
    I have bought a not complete and defective Dell Latitude 5520 for parts (needed the networkconnector (RJ45) to repair a other board).
    Have repaired the other board (Dell Latitude 5540) and I wanted to know if I could find out what is wrong with the 5520 board (SouthPeak15 TGL MB 8L 19819-1) and perhaps repair this one also.

    After connecting the USB-C charger (both USB-C ports on the laptop, does not have an other option) and pressing the power button, nothing happens (no lights or fans, no capslock).
    Have checked with a thermal camera, and there are a couple of things...
    3 Photos
    03-05-2025, 02:23 PM
  • Thetechdude
    MSI Ventus RTX 4080 16G Broadview schematic needed
    by Thetechdude
    Hi guys, I'm working on a MSI Ventus RTX 4080 16G. The GPU has 12v, 5v, however what I assume is the 1.8v rail has 1.1v and what I assume to be PEX is 0v. As you may have guessed already there is no Vmem and no Vcore.

    I have looked around in related forum posts for a schematic so Much appreciated if anyone can share a Broadview schematic.

    Thanks.
    07-15-2025, 11:15 AM
  • ianpoultonknights
    Zenbook Flip 15 UX562AI schematic
    by ianpoultonknights
    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
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