AST-3G Plus II: Difference between revisions

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{{InfoboxDevice
{{InfoboxDevice
|Title = AST-3G Plus II
|Title = AST-3G Plus II
|Picture =  
|Picture =AST-3G Plus II - 1.jpg
|Release Year = 1987
|Release Year = 1987
|Mounting Technology = Through Hole
|Mounting Technology = Through Hole
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PCB Mark: 202161-303A
PCB Mark: 202161-303A
Silkscreen: 202161-003
Silkscreen: 202161-003
[[File:AST-3G Plus II - 1.jpg|thumb]]
[[File:AST-3G Plus II - 2.jpg|thumb]]
[[File:AST-3G Plus II - 2.jpg|thumb]]
[[File:AST-3G Plus II - 3.jpg|thumb]]
[[File:AST-3G Plus II - 3.jpg|thumb]]

Revision as of 18:48, 17 October 2022

For more information, see this article's corresponding Wikipedia page: Device.
This device is in the WorkNeeded:OriginalParts category because it was flagged as missing information on the original parts. It may have replacement parts listed but those cannot be assumed to be identical to the originals. If you have a list of the original parts, please feel free to add them by copying the relevant table from EditorsToolbox:Tables
This device is in the WorkNeeded:General category because it was flagged as missing general information about the device. The information may be incomplete, using default text, or inaccurate and should be verified with external sources if possible. If you can add or correct information on this page, please feel free to edit it and do so.
AST-3G Plus II
Preliminary Information
Release Year 1987
Leak Risk Medium
Batteries None
Mounting Technology Through Hole
Capacitor Types Aluminum Electrolytic, MLCC
Destructive Entry No

This is a template page for creating new pages for devices, troubleshooting them, part lists, and other repair info.

Known Issues

Three electrolytic capacitors are leaking, try to replace

Causes

  • Produced in 1987, electrolytic capacitors are prone to leakage

Solutions

  • Recapping

Disassembly Notes

The leaked electrolyte corrodes and causes solder oxidation, which makes it difficult to desolder. Be careful to avoid high temperature damage to the pad

Original Parts

AST-3G Plus II (C)AST 1987, FCC ID: DJK 68Y AST3G

PCB Mark: 202161-303A Silkscreen: 202161-003

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Height Lead Spacing Temp Type Brand Series
Others 23 100 pF Through Hole 2.0 mm MLCC 104
C35 1 2.2 pF Through Hole 2.0 mm MLCC 222
C26, C27, C28, C29, C30, C31, C32, C33 8 47 nF Through Hole 2.0 mm MLCC 47K
C1, C2, C3 3 22 µF 16 V Through Hole 5 mm 5 mm 2.0 mm 85 °C Aluminum electrolytic ELNA 018 H

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

Related Links

References