This is the most crucial section. It details how 19V (if using a power brick) or 12V (standard PSU) is converted down to:
Proprietary Dell motherboard schematics are not typically released to the public. However, technicians often use files and specialized PDF schematics found in repair communities:
Sites like (donor section), LaptopSchematics.com , or Repair.wiki often have verified, high-quality E93839 files. Expect to pay a small fee (usually $5–$15) for immediate access to a vectorized PDF and boardview. Dell E93839 Motherboard Schematic High Quality
If you are looking for high-quality schematics for repair or tinkering, here is what you need to know to find the right files. 1. Identifying Your Specific Board
The Dell E93839 is a reliable but aging platform (circa 2015–2017). Most failures are: This is the most crucial section
Always ensure you have the right to repair. These schematics are for professional repair use.
: 6x USB 2.0 (rear), VGA, DisplayPort, eSATA, Serial, Parallel. Front Panel Pinout (Standard Case Swap) Expect to pay a small fee (usually $5–$15)
Look for a small white sticker with a barcode. The string of characters following "CN-0" (or similar) is the actual Dell part number (e.g., 0GDG8Y , 0M9KCM ).