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Laptop motherboard · Sony

Sony VGN-SR55E M750 MBX-190 Schematic

This page has the schematic for Sony VGN-SR55E M750 MBX-190, a laptop motherboard from Sony. Printed board number: MBX-190. 7 more files in the library share this board number — they're listed below.

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Brand
Sony
Device
Laptops
Board number
MBX-190
Contents
Schematic
File size
878 KB
Posted
Original file name
SONY VGN-SR55E M750 MBX-190 PDF .rar

Uploader's note

SONY VGN-SR55E M750 MBX-190 PDF

Same board number 7

All files for MBX-190

Other Sony laptops

All Sony files
BIOSMBX-189 216-0707009 M760 REV1.1 1P-0084J00-8011Sony · MBX-189BIOSSony TP.V56.PB759 Shaan OKSonySchematicSony VGN-NW35E MBX-218 MBX-205 M851-1-01 Intel DISSony · MBX-218 · MBX-205BIOSSony M850 MBX-205 U12 & U46Sony · MBX-205BIOSVAIO VJF155F11X 6-71-N24J0-D02A N2x0WUSony · 6-71-N24J0BIOSSony Vaio VJF155F11X Working BIOS 100%SonyBIOSSony SVT112 DA0KR1MB8E0 Reve U9 Working BIOS 100%Sony · DA0KR1MB8E0BIOSSony DA0KR1MB8E0 Reve Working BIOS 100%Sony · DA0KR1MB8E0

Questions about this file

Which board number is this Sony VGN-SR55E M750 MBX-190 file for?
It's for board MBX-190. Compare it with the number printed on your PCB before relying on the file. Where to find it.
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 #10747 in the public Telegram channel @schematicslaptop, where the file can be downloaded with a free Telegram account.

Guides for this file

Laptop won't turn on? A schematic-based troubleshooting plan6 min readHow to find your laptop motherboard number5 min readSchematic vs boardview: which one you need for repair3 min read