IBM-R40 Schematic
This page has the schematic for IBM-R40, a laptop motherboard from Lenovo.
Download via TelegramMore Lenovo IBM-R40 files 1
Lenovo IBM-R40 overview- IBM-R40FilesDirect
Other Lenovo laptops
All Lenovo filesSchematicLaptop Lenovo Foxcon-661S03LenovoSchematicLAPTOP-LENOVO-B490-LA4801126410106 2LenovoSchematicJIWA3 LA-4212P LENOVO G530Lenovo · LA-4212PSchematicIdeapad Y430-Compal LA-4141pLenovo · LA-4141PSchematicIdeaPad S9 S10 FL1--Delete 0 Ohm -- 0607 1409LenovoSchematicIBM YukonLenovoSchematicIBM X201ILenovoSchematicIBM X31Lenovo
Questions about this file
How do I use the schematic for diagnosis?
Start with the power-sequence and power-rail pages to find where a no-power or no-image fault begins, then locate the parts with a boardview. No-power troubleshooting plan.
Is the download free?
Yes. The button opens post #826 in the public Telegram channel @schematicslaptop, where the file can be downloaded with a free Telegram account.