DECtalk DTC01: Difference between revisions

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!Brand
!Brand
!Series
!Series
|-
|C1, C35
|2
|0.1 µF
|250V
|Through Hole Radial
|
|
|20mm
|
|X Line Filter
|Rifa
|
|-
|-
|C2
|C2
Line 45: Line 58:
|0.22 µF
|0.22 µF
|250V
|250V
|Through Hole
|Through Hole Radial
|
|
|
|
Line 54: Line 67:
|
|
|-
|-
|C1, C35
|C25
|
|100
|25 V
|Through Hole Radial
|
|
|
|
|Aluminum Electrolytic
|
|
|-
|
|
|470
|10 V
|Through Hole Radial
|
|
|
|
|Aluminum Electrolytic
|
|
|}
=== Main Board ===
RefDes according to schematic
{| 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
!Series
|-
|C12, C13, C35-C80, C101-C103, C105-C107
|54
|.047
|50 V
|Through Hole
|
|
|
|
|Ceramic
|
|
|-
|C14
|1
|.1
|50 V
|Through Hole
|
|
|
|
|Ceramic
|
|
|-
|C17
|1
|.01
|100
|Through Hole Axial
|
|
|
|
|Mylar
|
|
|-
|C81, C100, C104
|3
|100
|25 V
|Through Hole Axial
|
|
|
|85
|Aluminum Electrolytic
|Nichicon
|
|-
|C800, C801
|2
|190
|12 V
|Through Hole Axial
|
|
|
|85
|Aluminum Electrolytic
|Nichicon
|
|-
|C5, C703
|2
|2
|0.1 µF
|8
|250V
|25 V
|Through Hole
|Through Hole Axial
|
|
|
|
|85
|Aluminum Electrolytic
|Nichicon
|
|
|20mm
|}
== Replacement Parts ==
=== Main Board ===
RefDes according to schematic
[[File:Radial and Axial Capacitor in parallel.svg|alt=Parallel Caps Connection Diagram|thumb|169x169px|Parallel Caps Connection Diagram]]
{| class="wikitable sortable"
|+Capacitors
!RefDes
!Qty
!Compatible Part Number
!Order Links
!Notes
|-
|C81, C100, C104
|3
|107TTA025M
|[https://www.digikey.com/en/products/detail/cornell-dubilier-illinois-capacitor/107TTA025M/5343978 DigiKey]
|
|
|X Line Filter
|-
|Rifa
|C800, C801
|2
|You will need both 106TTA035M and 860020373009
|[https://www.digikey.com/en/products/detail/cornell-dubilier-illinois-capacitor/106TTA035M/5410705 106TTA035M (DigiKey)] [https://www.digikey.com/en/products/detail/w%C3%BCrth-elektronik/860020373009/5727033 860020373009 (DigiKey)] [https://www.mouser.com/ProductDetail/CDE-Illinois-Capacitor/106TTA035M?qs=3tP%252BN51vMXfV%2FQIgVrRM3w%3D%3D 106TTA035M (Mouser)] [https://www.mouser.com/ProductDetail/Wurth-Elektronik/860020373009?qs=0KOYDY2FL29jnF5P109veg%3D%3D 860020373009 (Mouser)]
|See picture to the right labelled "Parallel Caps Connection Diagram"
|-
|C5, C703
|2
|860160672008
|[https://www.digikey.com/en/products/detail/w%C3%BCrth-elektronik/860160672008/5727816 DigiKey]
|
|
|}
|}


== Additional Images ==
== Additional Images ==
Line 72: Line 232:
File:DTC01 Mainboard.jpg|Main logic board
File:DTC01 Mainboard.jpg|Main logic board
</gallery>
</gallery>
==Related Links==
*[https://archive.org/details/bitsavers_decdectalksNov83_3396122 Schematic]


==References==
==References==
<references />
<references />
[[Category:WorkNeeded:OriginalParts]]
[[Category:WorkNeeded:OriginalParts]]
[[Category:WorkNeeded:ReplacementParts]]
[[Category:1980s]]

Latest revision as of 01:22, 13 February 2024

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
DECtalk DTC01
Preliminary Information
Release Year 1984
Leak Risk High (Rifa)
Batteries Maybe?
Mounting Technology Through Hole, Sockets
Capacitor Types Aluminum Electrolytic, Paper, Ceramic
Destructive Entry No

DECtalk DTC01 is the first model of DECtalk available and has a large amount of components inside to make it work.

Known Issues

Made with Rifa Caps

Causes

  • It go boom

Solutions

  • Remove/Replace caps

Disassembly Notes

Needs philips and flat drives to get cases open but RF shield is tooless

Original Parts

Power Supply

AA12242

  • PSU Board

    PSU Board

  • Rifa caps

    Rifa caps

  • PSU pinout and rails

    PSU pinout and rails

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Height Lead Spacing Temp Type Brand Series
C1, C35 2 0.1 µF 250V Through Hole Radial 20mm X Line Filter Rifa
C2 1 0.22 µF 250V Through Hole Radial 20mm X Line Filter Rifa
C25 100 25 V Through Hole Radial Aluminum Electrolytic
470 10 V Through Hole Radial Aluminum Electrolytic

Main Board

RefDes according to schematic

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Height Lead Spacing Temp Type Brand Series
C12, C13, C35-C80, C101-C103, C105-C107 54 .047 50 V Through Hole Ceramic
C14 1 .1 50 V Through Hole Ceramic
C17 1 .01 100 Through Hole Axial Mylar
C81, C100, C104 3 100 25 V Through Hole Axial 85 Aluminum Electrolytic Nichicon
C800, C801 2 190 12 V Through Hole Axial 85 Aluminum Electrolytic Nichicon
C5, C703 2 8 25 V Through Hole Axial 85 Aluminum Electrolytic Nichicon

Replacement Parts

Main Board

RefDes according to schematic

Parallel Caps Connection Diagram
Parallel Caps Connection Diagram
Capacitors
RefDes Qty Compatible Part Number Order Links Notes
C81, C100, C104 3 107TTA025M DigiKey
C800, C801 2 You will need both 106TTA035M and 860020373009 106TTA035M (DigiKey) 860020373009 (DigiKey) 106TTA035M (Mouser) 860020373009 (Mouser) See picture to the right labelled "Parallel Caps Connection Diagram"
C5, C703 2 860160672008 DigiKey






Additional Images

  • Main logic board

    Main logic board

Related Links


References

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