Data General Walkabout G2753

For more information, see this article's corresponding Wikipedia page: Device.

This device is in the WorkNeeded:ReplacementParts category because it was flagged as missing information on replacement parts. If it has the original parts listed you may be able to search for replacements using the parametric searches available from parts distributors. If you have or make a list of replacement parts, please feel free to add them by copying the relevant table from EditorsToolbox:Tables

Data General Walkabout G2753

Preliminary Information
Release Year	1990
Leak Risk	High
Batteries	AA, CR2032
Mounting Technology	Through Hole, SMD, Sockets
Capacitor Types	Aluminum Electrolytic, Tantalum, Ceramic, Polymer
Destructive Entry	No

A Data General portable terminal that can be powered off of 5 AA batteries or a 9V Negative Center power supply.

Known Issues

Speaker makes whining sound or display never turns on

Causes

• Logic board capacitors have failed

Solutions

• Recap

Disassembly Notes

There are no screws in the device. You will have to just pry the case apart as it uses plastic snaps.

Original Parts

Mainboard

NDG ADK-42000

107 0032046 02 207/02

Note: Mainboard does not have a silk screen with reference designators. Arbitrary one have been put onto the image above for this table.

Capacitor Specifications and Footprint Information

RefDes	Qty	Capacitance	Voltage	Mount	Diameter/Size	Height	Lead Spacing	Temp	Type	Brand	Series
C1	1	56 µF	35 V	Through Hole	6mm	11mm	2.5mm	105°C	Aluminum Electrolytic	Rubycon	GXA
C2, C3	2	56 µF	16 V	Through Hole	5mm	11mm	2.5mm	105°C	Aluminum Electrolytic	Rubycon	GXA
C4	1	220 µF	6.3 V	Through Hole	6mm	11mm	2.5mm	-55-105°C	Aluminum Electrolytic	Rubycon	SSP
C5	1	470 µF	6.3 V	Through Hole	8mm	11mm	2.5mm	-55-105°C	Aluminum Electrolytic	Rubycon	SSP
C6, C7	2	120 µF	16 V	Through Hole	6mm	11mm	2.5mm	105°C	Aluminum Electrolytic	Rubycon	GXA
C8	1	22 μF	6.3 V	Through Hole	4mm	5mm	4.5mm	105°C	Aluminum Electrolytic	Rubycon
C9, C10	2	100 μF	16 V	Through Hole	8mm	11mm	4mm	105°C	Aluminum Electrolytic	Rubycon	PSX
C11	1	220 μF	10 V	Through Hole	8mm	11mm	4mm	105°C	Aluminum Electrolytic	Rubycon	PSX

Modem

118-5612-05

Capacitor Specifications and Footprint Information

RefDes	Qty	Capacitance	Voltage	Mount	Diameter/Size	Height	Lead Spacing	Temp	Type	Brand	Series
C5	1	470 µF	16 V	Through Hole	10mm	14 mm	5 mm		Aluminum Electrolytic
C6, C7, C12, C24	4	10 μF	25 V	Through Hole	5mm	11mm	2 mm		Aluminum Electrolytic
C22	1	22 μF	25 V	Through Hole	5mm	11mm	2 mm		Aluminum Electrolytic
C13, C25, C15*	3	10 μF	16 V	Through Hole			5 mm		Tantalum

*C15 on board referenced appears to have short and blown up, based on the board layout it is likely the same as the other tantalum caps and has been marked as such

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.

Kits

• Digikey BOM: https://www.digikey.com/

Related Links

• Videos or other things that might be helpful to check out