Knight Audio Generator: Difference between revisions

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(Initial entry. Described disassembly and some original parts.)
 
(Filled in replacement parts, added kits.)
 
(2 intermediate revisions by 2 users not shown)
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Remove all screws from the front and rear of the device. While pulling the spring-loaded handle, slide the cover away from the front panel to reveal the inner assembly.
Remove all screws from the front and rear of the device. While pulling the spring-loaded handle, slide the cover away from the front panel to reveal the inner assembly.
== Original Parts ==
== Original Parts ==
=== Basic PCB Name ===
{| class="wikitable sortable"
{| class="wikitable sortable"
|+Capacitor [[Capacitor Specifications|Specifications]] and  [[Part Footprints|Footprint]] Information
|+Capacitor [[Capacitor Specifications|Specifications]] and  [[Part Footprints|Footprint]] Information
Line 41: Line 39:
!Series
!Series
|-
|-
|C5
|1
|.02 µF
|400 V
|
|
|
|
|
|
|Paper
|
|
|-
|C6
|1
|1
|100 µF
|20 µF
|150 V
|350 V
|
|
|
|
Line 50: Line 61:
|Axial
|Axial
|
|
|
|Condensor, Dry Electrolytic
|
|
|
|
|-
|-
|
|C7, C8
|2
|2
|20 µF
|20 µF
Line 63: Line 74:
|Axial
|Axial
|
|
|Electrolytic
|
|
|-
|C9 A, C12 A
|2
|50 µF
|450 V
|
|
|
|Dual radial
|
|
|Electrolytic, in same housing as B
|
|
|
|
|-
|-
|C9 B, C12 B
|2
|80 µF
|475 V
|
|
|1
|20 µF
|350 V
|
|
|
|
|Dual radial
|
|
|Axial
|Electrolytic, in same housing as B
|
|Condensor
Dry Electrolytic
|
|
|
|
|-
|-
|
|C10, C13
|2
|2
|25 µF
|0.25 µF
|400 V
|400 V
|
|
Line 90: Line 113:
|Axial
|Axial
|
|
|Paper
|
|
|-
|C14
|1
|100 µF
|150 V
|
|
|
|
|Axial
|
|Electrolytic
|
|
|
|
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==Replacement Parts==
==Replacement Parts==
===Basic PCB Name===
{| class="wikitable sortable"
{| class="wikitable sortable"
|+Capacitors
|+Capacitors
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! Order Links
! Order Links
|-
|-
|
|C5
|
|1
|
|ECW-HA3C203H / ECW-F6203HLB
|[https://www.digikey.com/ Digikey]
|[https://www.digikey.com/en/products/detail/panasonic-electronic-components/ECW-F6203HLB/2717089 Digikey] [https://www.mouser.com/ProductDetail/Panasonic/ECW-HA3C203H?qs=Qtr4Kn8gT9%2FYx1BoQ242VA%3D%3D Mouser]
|-
|C6
|1
|226TTA350M / MAL204216229E3
|[https://www.digikey.com/en/products/detail/cornell-dubilier-illinois-capacitor/226TTA350M/5411674 Digikey] [https://www.mouser.com/ProductDetail/Vishay-BC-Components/MAL204216229E3?qs=G99oyVYclWX66BSo1V415w%3D%3D Mouser]
|-
|C7, C8
|2
|226TTA250M / TVA1410
|[https://www.digikey.com/en/products/detail/vishay-sprague/TVA1410/5612923 Digikey] [https://www.mouser.com/ProductDetail/CDE-Illinois-Capacitor/226TTA250M?qs=3tP%252BN51vMXdtuTxFeE19YA%3D%3D Mouser]
|-
|C9 A, C12 A
|2
|EKXL451ELL470MU25S / EKHE451ELL470MJ451
|[https://www.digikey.com/en/products/detail/chemi-con/EKHE451ELL470MJ451/15283138 Digikey] [https://www.mouser.com/ProductDetail/Chemi-Con/EKXL451ELL470MU25S?qs=sGAEpiMZZMvwFf0viD3Y3fHxNcSaiftwpPwkMux1ymxlC9fvPHiulA%3D%3D Mouser]
|-
|C9 B, C12 B
|2
|500LXW82MEFR18X40 / 500HXW82MEFR16X45
|[https://www.digikey.com/en/products/detail/rubycon/500HXW82MEFR16X45/15667817 Digikey] [https://www.mouser.com/ProductDetail/Rubycon/500LXW82MEFR18X40?qs=T3oQrply3y8fumcxturVdQ%3D%3D Mouser]
|-
|C10, C13
|2
|418P25496MB3 / F861BG254M310Z
|[https://www.digikey.com/en/products/detail/kemet/F861BG254M310Z/12178273 Digikey] [https://www.mouser.com/ProductDetail/Cornell-Dubilier-CDE/418P25496MB3?qs=M5E3J2MuaV4mvv9V91NTMQ%3D%3D Mouser]
|-
|C14
|1
|107TTA160M
|[https://www.digikey.com/en/products/detail/cornell-dubilier-illinois-capacitor/107TTA160M/5410815 Digikey] [https://www.mouser.com/ProductDetail/CDE-Illinois-Capacitor/107TTA160M?qs=3tP%252BN51vMXfiZlF7ye38ew%3D%3D Mouser]
|}
|}
''If parts are not available or different selection is preferred, you can use the values in the [[#Original_Parts|Original Parts]] section to perform a parametric search.''
''If parts are not available or different selection is preferred, you can use the values in the [[#Original_Parts|Original Parts]] section to perform a parametric search.''
=== Kits ===
* [https://www.mouser.com/ProjectManager/ProjectDetail.aspx?AccessID=1259bd19ba Mouser Project]
* [https://www.digikey.com/en/mylists/list/0OUQKEN21N Digikey List]


== Related Links ==
== Related Links ==

Latest revision as of 21:08, 26 May 2024

Preliminary Information
Leak Risk Low
Batteries None
Destructive Entry No

The Knight Audio Generator is a waveform generator based on tubes and an air variable capacitor. Its electrolytic capacitors are likely to have dried out over time.

Known Issues

Symptom or Problem Encountered

Causes

Solutions

Disassembly Notes

Remove all screws from the front and rear of the device. While pulling the spring-loaded handle, slide the cover away from the front panel to reveal the inner assembly.

Original Parts

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Height Lead Spacing Temp Type Brand Series
C5 1 .02 µF 400 V Paper
C6 1 20 µF 350 V Axial Condensor, Dry Electrolytic
C7, C8 2 20 µF 150 V Axial Electrolytic
C9 A, C12 A 2 50 µF 450 V Dual radial Electrolytic, in same housing as B
C9 B, C12 B 2 80 µF 475 V Dual radial Electrolytic, in same housing as B
C10, C13 2 0.25 µF 400 V Axial Paper
C14 1 100 µF 150 V Axial Electrolytic

Replacement Parts

Capacitors
RefDes Qty Compatible Part Number Order Links
C5 1 ECW-HA3C203H / ECW-F6203HLB Digikey Mouser
C6 1 226TTA350M / MAL204216229E3 Digikey Mouser
C7, C8 2 226TTA250M / TVA1410 Digikey Mouser
C9 A, C12 A 2 EKXL451ELL470MU25S / EKHE451ELL470MJ451 Digikey Mouser
C9 B, C12 B 2 500LXW82MEFR18X40 / 500HXW82MEFR16X45 Digikey Mouser
C10, C13 2 418P25496MB3 / F861BG254M310Z Digikey Mouser
C14 1 107TTA160M Digikey Mouser

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

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