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- Travelmate 4520 4220 SRGinfotechSchematic · 8.16 MB · 5 May 2025Schematic pdf—8.16 MB
- Acer TravelMate 4220 4520 Wistron Orta RevSBSchematic · 2.02 MB · 12 Jul 2019Schematic pdf—2.02 MB
- Acer TravelMate 4220 4520 Wistron Orta RevSB SRGinfotechSchematic · 2.02 MB · 28 Apr 2025Schematic pdf—2.02 MB
- ACER TRAVELMATE 4220 4520 - WISTRON ORTA - REV SASchematic · 1.44 MB · 29 Oct 2023Schematic pdf—1.44 MB
- Acer TravelMate 4220 4520 Wistron Orta RevSB
Schematic of the Wistron Orta mainboard used in Acer TravelMate 4220 and 4520 notebooks, revision SB.
Schematic · 802 KB · 10 May 2023Schematic pdf—802 KB