Lenovo Wifi B490 Schematic PDF
Part of Lenovo Wifi B490
the Lenovo Wifi B490: 4 schematics found in the source channels.
Schematic files 4
FileSizeRevAddedSource
Lenovo B480 B490 B580 B590 -la 480
Schematic
2.9 MB
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Lenovo B480 B490 B580 B590 -wistron-la480
Schematic.pdf
6.9 MB
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Main boards used in Lenovo Wifi B490
What these files are for
A schematic is the circuit diagram of the main board: power rails, power-up sequence, component values and net names. It is the reference for measuring voltages and tracing a fault.
Tools to open these files
| Format | What it is | Open with |
|---|---|---|
| PDF schematic | any PDF reader; Sumatra PDF and Foxit handle large schematics well | |
| .rar | RAR archive | 7-Zip or WinRAR |