La-h103p Schematic Extra Quality Review
| Symptom | Likely Fault | Schematic Section | | :--- | :--- | :--- | | No power, USB-C meter shows 0.3A | Dead TPS65987 PD Controller (U600) | Page 4 (USB Power) | | Power cycles every 2 seconds | Corrupted EC firmware or short on +1.8V rail | Page 12 (1.8V LDO) | | Turns on but no display | Blown backlight fuse (PF1) or failed +3.3V_LCD | Page 45 (Display Connector) | | Fan spins fast, no POST | Missing +1.05V_PCH (VCCIO) | Page 28 (PCH Power) | | No sound from speakers | Amp IC (MAX98357) has no +5V_AUDIO | Page 52 (Audio Codec) |
do not typically include full component-level schematics, you can access the document via technical archives: Technical Communities: Repositories like The Tech Stall PC Schematics host specific LA-H103P files. File Repositories: la-h103p schematic
The motherboard is a multi-layer, high-density design. Without a schematic, identifying discrete resistor values, capacitor placements, or voltage regulator controller pins is virtually impossible. | Symptom | Likely Fault | Schematic Section
The (also known as the FL5C5/FL535/FL435 ) is a motherboard manufactured by Compal Electronics for the Lenovo IdeaPad S340 series, specifically the S340-14IIL and S340-15IIL Go to product viewer dialog for this item. The (also known as the FL5C5/FL535/FL435 ) is