Toshiba T1900 Series

From Caps Wiki
Revision as of 03:33, 28 November 2024 by JRC (talk | contribs) (Initial Page, still need to add the list of caps.)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigation Jump to search
For more information, see this article's corresponding Wikipedia page: Device.
Preliminary Information
Leak Risk High
Batteries 3 Batteries:

Main battery: Nickel Metal Hydride 12 V 2,400mAH Backup battery: AA sized Nickel Metal Hydride 1.2 V 1,100mAH

RTC battery: 2032 rechargeable Lithium-Vanadium 3.0 V 50mAH
Destructive Entry No


Known Issues

Laptop won't power on

The Toshiba T1950 Laptop is known not to power on due to bad caps on the power board, the lower of the two boards in the laptop. When the on button is pressed, it lights up, but immediately turns off.

Causes

  • Bad or leaky caps

Solutions

  • Replace the Caps and clean the board

Disassembly Notes

Almost all the screw are the same thread (m2.5), but vary in length. There are some M2 screws in the display assembly.

The service manual has a complete guide on how to disassemble the laptop (see the link below).


Original Parts

Basic PCB Name

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Height Lead Spacing Temp Type Brand Series
0 µF 0 °C

Replacement Parts

Basic PCB Name

Capacitors
RefDes Qty Compatible Part Number Order Links
Digikey

If parts are not available or different selection is preferred, you can use the values in the Original Parts section to perform a parametric search.

Related Links

Vogons forum post about the issues with the power board

T1900 Maintenance Manual at minuszerodegrees.net

References