Light service document for the Nokia X7-00, type RM-707, a 697 KB PDF. Nokia's Level light service manuals usually include block and circuit diagrams plus component layouts for board-level repair, but check the exact contents here. Use it to trace power, charging and interface circuits, find test points, and identify components near a fault. The RM-707 code on the phone's label should match the document before you rely on part locations or values.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @mobileshematic. Enginerys does not host this file.
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The standard format for schematics, block diagrams, power-sequence charts and service manuals.
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