Measure voltage on the drain of the input MOSFETs ( PQB1 / PQB2 typical).
The CPU core voltage rail is the last to turn on. If the CPU VRM controller (Voltage Regulator Module) does not receive an ALL_SYS_PWRGD (All Systems Power Good) signal from the previous rails, it will not power the processor.
Generally features 4GB DDR4 onboard RAM with one additional SO-DIMM slot for expansion. la-h103p schematic
is a proprietary motherboard designed for Lenovo, specifically for the Lenovo IdeaPad S340-15IIL
16MB 1.8V chip (commonly located near the RAM or PCH area). Measure voltage on the drain of the input
A schematic diagram is a detailed blueprint of this motherboard, outlining:
This is where the BoardView file excels. Instead of scanning pages of a PDF, you can open the BoardView (e.g., FL5C5.FZ) and search for a reference designator (e.g., "PQ201", "PU101", "PR301"). The software will instantly point you to its physical location on the PCB. Generally features 4GB DDR4 onboard RAM with one
Based on common repair logs for the Dell GDM50 LA-H103P, keep an eye on these areas:
The LA-H103P is the motherboard model number for a range of popular Lenovo laptops, including the IdeaPad S340-14IIL, S340-15IIL, S340-15IWL, and Flex-15IIL. Designed by the renowned manufacturer , this motherboard is found in hundreds of thousands of devices worldwide, powered by Intel's Ice Lake processors such as the i3-1005G1, i5-1035G1, and i7-1065G7.
Remember: repair ethically, back up the original BIOS before flashing, and always discharge your ESD before touching the board.
Inspect JEDP1 for damage caused by improper screen replacement [Badcaps 1.2.2]. 3. Battery Not Charging