.
-
Last edited by piernov; 05-06-2023, 12:32 PM. -
I need schematic for this board, help is highly appreciated, thanks.
-
please schematic for fpc52 la-h461h rev. 1.0 please
I can't find it
Help
-
Hello everyone! I have an old hp workstation z420. Xeon E5 1620 v2, 8gb ecc ddr3
Basically, when I plug in the power cable to the power supply, it turns on and off while clicking every time it power cycles. Once I remove the power cable from the supply, it flashes a red light 4 times while beeping for about 10 seconds. I have purchased a new CPU and power supply already, but that hasnt fixed it so I'm convinced it's a motherboard level fault. If anyone has any ideas on what the fault could be, and/or how to diagnose it, that would be highly appreciated. Thanks!05-09-2025, 07:31 PM -
Hello all, I have a mastervolt charger inverter I'm trying to repair, as I have no schematics I decided to trace our some of the parts to figure out the general operation.
I managed to trace our a rough block diagram of the power stage, and I'm quite interested in the operation.
Here are my questions.
I noticed there seems to be no dedicated charging section in the circuit. After some googling I assume this is what they called a bidirectional power design. Would like to know if my assumption of the operation are right.
Given that there are no diodes. I am assuming... -
Fujitsu Lifebook AH53/X FMVA53XBKS
Specs: Intel i7 processor, 8Gb ddr4 memory module, 250Gb SSD,
date stamp is 2016
Motherboard model: ADZAM-6050A2761701-MB-A01
Symptoms: Sometimes the unit will turn on made it to the windows login screen then turns off, most of the time the Unit can be turn on but only the power on is lit and will eventually turn of in less than 30 seconds, CPU fan spins, no beep code and no display.🤕🤕🤕
Basics: replaced known good 19v adapter, replaced known good ddr4 memory module, test the always on voltage 5v, 3.3v all... -
Need unlocked Bios for Acer Chromebook R721T-488H
HI EVERYONE I have Stuck for This Acer Laptop, I Need Unlocked Bios For the Mentioned Model. Any Hell Will Be Highly Appreciated.
Thank you very much​
Model:N18Q12
DAOZADMB8H1 REV:H
AMD...
Comment