Macintosh PowerBook 190: Difference between revisions

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|Aluminium Electrolytic
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=== Casio MFSTN 9.5" B&W Display Board (MD805TT00-C1) ===
{| class="wikitable sortable"
|+Capacitor [[Capacitor Specifications|Specifications]] and  [[Part Footprints|Footprint]] Information
!RefDes
!Qty
!Capacitance
!Voltage
![https://caps.wiki/wiki/Part_Footprints Mount]
!Diameter/Size
!Height
!Lead Spacing
!Temp
![https://caps.wiki/wiki/Capacitor_Types Type]
!Brand
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|C1,C2,C3
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|100 µF
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Revision as of 13:42, 29 October 2024

The PowerBook 190 is a laptop computer manufactured by Apple in 1995. It was the final Apple Computer produced with a Motorola 68k CPU and was targeted as a low cost portable Macintosh. There are two available display types, a greyscale 9.5 inch or a colour 10.4 inch display on the 190cs model.

For more information, see this article's corresponding Wikipedia page: PowerBook_190.
Macintosh PowerBook 190
Preliminary Information
Release Year 1995
Leak Risk High
Batteries Removable
Mounting Technology SMD
Capacitor Types Polymer, Aluminium Electrolytic
Destructive Entry No
Hardware Specifications
CPU 68LC040 @ 33 MHz
Memory Capacity 4-40MB
Memory Type Proprietary DRAM Card
Storage 3.5in 1.44MB Floppy Disk, 2.5in 500MB IDE HDD
Power Requirements
Input Voltage 24V DC
Current (Amps) 1.87A
Power Connector Centre Positive


Known Issues

No Power

Causes

  • Loose power supply connector on motherboard.

Solutions

  • Reflow/reattach power supply connector.

Disassembly Notes

Uses Torx T8 Screws throughout but only 6 screws are required for motherboard extraction. Many ribbon cables are used to connect peripherals to the board so patience is required.

Original Parts

Logic Board (48.45701.001)

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Height Lead Spacing Temp Type Brand Series
C70, C71, C78, C79, C89, C90 6 100 µF 35V SMD 105 °C Aluminium Electrolytic
C111 1 47 µF 35V SMD 105 °C Aluminium Electrolytic Nichicon
C113 1 33 µF 25V SMD Polymer

Display Inverter Board (820-0569-A)

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Height Lead Spacing Temp Type Brand Series
C3 1 10 µF 50V SMD Aluminium Electrolytic
C9 1 2.2 µF 50V SMD Aluminium Electrolytic

Casio MFSTN 9.5" B&W Display Board (MD805TT00-C1)

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Height Lead Spacing Temp Type Brand Series
C1,C2,C3 3 100 µF 16V SMD Aluminium Electrolytic

Related Links

References