FCC regulations - Revision history

FrankRahman: /* A note about Filter Caps */

2026-01-18T00:24:07Z

A note about Filter Caps

← Older revision		Revision as of 00:24, 18 January 2026
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	They can be replaced with brand new RIFA caps or hard outer plastic filter caps of the type removed (X2 or Y2) except as noted on my [[Power Supplies]] webpage. Both should be replaced in another 20 years.		They can be replaced with brand new RIFA caps or hard outer plastic filter caps of the type removed (X2 or Y2) except as noted on my [[Power Supplies]] webpage. Both should be replaced in another 20 years.


			Mr Carlson's Lab did a very good video showing an example of needing filter capacitors on switch mode power supplies like the ones used in the Kaypro machines. You can find it [https://www.youtube.com/watch?v=bRi6_-iikvg here].

	==Case mounted RFI filters==		==Case mounted RFI filters==

FrankRahman: /* FCC Compliance */

2025-10-05T16:55:42Z

FCC Compliance

← Older revision		Revision as of 16:55, 5 October 2025
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	\| CUL7XL81-015 \|\| K4 (81-015) \|\| June 28, 1984		\| CUL7XL81-015 \|\| K4 (81-015) \|\| June 28, 1984
	\|-		\|-
	\| CUL7XLKP2 \|\| All K2, K2X and [[Kaypro 1]]\|\| July 18, 1984		\| CUL7XLKP2 \|\| All K2, K2X, New 2, and [[Kaypro 1]]\|\| July 18, 1984
	\|-		\|-
	\| CUL7XLROBIE \|\| [[Robie]] \|\| July 18, 1984		\| CUL7XLROBIE \|\| [[Robie]] \|\| July 18, 1984

FrankRahman: /* FCC Compliance */

2025-06-16T00:13:28Z

FCC Compliance

← Older revision		Revision as of 00:13, 16 June 2025
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	[[File:K4 fcc label.jpg]]		[[File:K4 fcc label.jpg]]
	\|\|		\|\|
			\|-
			\|
			[[File:286 fcc label.jpg\|400px]]
	\|}		\|}
	I have not seen an FCC sticker on a Kaypro 10 or 2000.		I have not seen an FCC sticker on a Kaypro 10 or 2000.

	I have not been able to find on the FCC website the ID CUL7XLPC10. These appear on some [[Kaypro PC\| Kaypro PCs]].		I have not been able to find on the FCC website the ID CUL7XLPC10. These appear on some [[Kaypro PC\| Kaypro PCs]].

FrankRahman: /* FCC Compliance */

2025-06-15T23:20:02Z

FCC Compliance

← Older revision		Revision as of 23:20, 15 June 2025
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	\| CUL7XLKP1A \|\| [[Kaypro Micro 1]] \|\| Apr 18, 1988		\| CUL7XLKP1A \|\| [[Kaypro Micro 1]] \|\| Apr 18, 1988
	\|-		\|-
	\| CUL7XL286-16 \|\| 286 ~~16?~~ \|\| Jul 25, 1988		\| CUL7XL286-16 \|\| 286 (81-068) \|\| Jul 25, 1988
	\|-		\|-
	\| CUL7XL286I-16 \|\| 286i 16? \|\| Jul 26, 1988		\| CUL7XL286I-16 \|\| 286i 16? \|\| Jul 26, 1988

FrankRahman: /* FCC Compliance */

2025-06-14T13:00:42Z

FCC Compliance

← Older revision		Revision as of 13:00, 14 June 2025
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	I would suspect that in September they began putting them on in the factory.		I would suspect that in September they began putting them on in the factory.

			The FCC ID registry shows that R Johnson is the contact at Kaypro for all of the FCC IDs. It is likely that this is Roland Johnson.

	{\| class="wikitable"		{\| class="wikitable"

FrankRahman: /* FCC Compliance */

2025-06-14T12:56:27Z

FCC Compliance

← Older revision		Revision as of 12:56, 14 June 2025
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	! ID !! Product !! Date Issued		! ID !! Product !! Date Issued
	\|-		\|-
	\| CUL7XL81-003 \|\| ~~KII~~ (81-003) \|\| Dec 13, 1983		\| CUL7XL81-003 \|\| [[Kaypro II (81-003)]] \|\| Dec 13, 1983
	\|-		\|-
	\| CUL7XL81-004 \|\| K4 (81-004) \|\| Jan 4, 1984		\| CUL7XL81-004 \|\| [[Kaypro 4 (81-004)]] \|\| Jan 4, 1984
	\|-		\|-
	\| CUL7XL81-015 \|\| K4 (81-015) \|\| June 28, 1984		\| CUL7XL81-015 \|\| K4 (81-015) \|\| June 28, 1984
	\|-		\|-
	\| CUL7XLKP2 \|\| All K2, K2X and K1\|\| July 18, 1984		\| CUL7XLKP2 \|\| All K2, K2X and [[Kaypro 1]]\|\| July 18, 1984
	\|-		\|-
	\| CUL7XLROBIE \|\| Robie \|\| July 18, 1984		\| CUL7XLROBIE \|\| [[Robie]] \|\| July 18, 1984
	\|-		\|-
	\| CUL7XLKP4 \|\| K4? \|\| Aug 1, 1984		\| CUL7XLKP4 \|\| K4? \|\| Aug 1, 1984
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	\| CUL7XLK286 \|\| 286? \|\| July 2, 1985		\| CUL7XLK286 \|\| 286? \|\| July 2, 1985
	\|-		\|-
	\| CUL7XLK10 \|\| ~~K10~~ \|\| July 7, 1985		\| CUL7XLK10 \|\| [[Kaypro 10]] \|\| July 7, 1985
	\|-		\|-
	\| CUL7XLK16 \|\| ~~K16~~ \|\| Jan 13, 1986		\| CUL7XLK16 \|\| [[Kaypro 16]] \|\| Jan 13, 1986
	\|-		\|-
	\| CUL7XLKMD \|\| ? \|\| March 19, 1986		\| CUL7XLKMD \|\| ? \|\| March 19, 1986
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	\| CUL7XLK386 \|\| 386? \|\| Sep 2, 1987		\| CUL7XLK386 \|\| 386? \|\| Sep 2, 1987
	\|-		\|-
	\| CUL7XLK2000PLUS \|\| 2000+ \|\| Sep 25, 1987		\| CUL7XLK2000PLUS \|\| [[Kaypro 2000#Kaypro_2000+\|Kaypro_2000+]] \|\| Sep 25, 1987
	\|-		\|-
	\| CUL7XLEXT5.25 \|\| External 5 1/4 Drive? \|\| Oct 8, 1987		\| CUL7XLEXT5.25 \|\| External 5 1/4 Drive? \|\| Oct 8, 1987
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	\| CUL7XLK286I \|\| 286i? \|\| Dec 18, 1987		\| CUL7XLK286I \|\| 286i? \|\| Dec 18, 1987
	\|-		\|-
	\| CUL7XLKP1A \|\| Micro 1 \|\| Apr 18, 1988		\| CUL7XLKP1A \|\| [[Kaypro Micro 1]] \|\| Apr 18, 1988
	\|-		\|-
	\| CUL7XL286-16 \|\| 286 16? \|\| Jul 25, 1988		\| CUL7XL286-16 \|\| 286 16? \|\| Jul 25, 1988
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	\| CUL7XLKC2 \|\| KC2 \|\| Oct 24, 1989		\| CUL7XLKC2 \|\| KC2 \|\| Oct 24, 1989
	\|-		\|-
	\| CUL7XLKC1 \|\| KC1 \|\| Dec 13, 1989		\| CUL7XLKC1 \|\| [[Kaypro KC1]] \|\| Dec 13, 1989
	\|-		\|-
	\| CUL7XLKPHF \|\| ? \|\| Dec 13, 1989		\| CUL7XLKPHF \|\| ? \|\| Dec 13, 1989
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	\|}		\|}
	I have not seen an FCC sticker on a Kaypro 10 or 2000.		I have not seen an FCC sticker on a Kaypro 10 or 2000.

			I have not been able to find on the FCC website the ID CUL7XLPC10. These appear on some [[Kaypro PC\| Kaypro PCs]].

FrankRahman: /* FCC Compliance */

2025-06-14T00:10:24Z

FCC Compliance

← Older revision		Revision as of 00:10, 14 June 2025
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	I would suspect that in September they began putting them on in the factory.		I would suspect that in September they began putting them on in the factory.

	~~They would get FCC compliance and the II, 2, 2X, and 4 would bear these stickers.~~
	{\| class="wikitable"		{\| class="wikitable"
	\|+ FCC IDs Issued to Kaypro		\|+ FCC IDs Issued to Kaypro
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	\| CUL7XLKPHF \|\| ? \|\| Dec 13, 1989		\| CUL7XLKPHF \|\| ? \|\| Dec 13, 1989
	\|}		\|}

			They would get FCC compliance and the II, 2, 2X, and 4 would bear these stickers.

	{\|		{\|
	\|-		\|-
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	\|\|		\|\|
	\|}		\|}
	I have not seen an FCC sticker on a Kaypro 10.		I have not seen an FCC sticker on a Kaypro 10 or 2000.

FrankRahman: /* FCC Compliance */

2025-06-14T00:08:43Z

FCC Compliance

@@ Line 50: / Line 50: @@
 I would suspect that in September they began putting them on in the factory.
-Later they would get FCC compliance and the II, 2, 2X, and 4 would bear these stickers.
+They would get FCC compliance and the II, 2, 2X, and 4 would bear these stickers.
 {|
 |-
@@ Line 62: / Line 125: @@
   ||
 |}
-I have not seen an FCC sticker on a Kaypro 10 so they may not have done the required tesing.
+I have not seen an FCC sticker on a Kaypro 10.

FrankRahman: /* Case mounted RFI filters */

2025-06-13T22:08:54Z

Case mounted RFI filters

← Older revision		Revision as of 22:08, 13 June 2025
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	\|}		\|}

	If you still have interference with other devices after replacing the Filter Caps on the power the filter plug is the next item to replace.		If you still have interference with other devices after replacing the Filter Caps on the power supply the filter plug is the next item to replace.

	==FCC Compliance==		==FCC Compliance==

FrankRahman: /* A note about Filter Caps */

2025-06-13T22:02:37Z

A note about Filter Caps

← Older revision		Revision as of 22:02, 13 June 2025
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	allowing the electrolyte inside to go from a liquid to a gas and escape from the capacitor.		allowing the electrolyte inside to go from a liquid to a gas and escape from the capacitor.

	This causes the famous "blue smoke" of the machine to be released when the RIFA cap blows itself apart. While removal of the broken cap will allow the machine to run again it can be problematic and reduce the signals/bandwidth of TV, Radio wireless devices, and Wifi.		This causes the famous "blue smoke" of the machine to be released when the RIFA cap blows itself apart. While removal of the broken cap will allow the machine to run again it can be problematic and reduce the signals/bandwidth of TV, Radio, wireless devices, and Wifi.

	They can be replaced with brand new RIFA caps or hard outer plastic filter caps of the type removed (X2 or Y2) except as noted on my [[Power Supplies]] webpage. Both should be replaced in another 20 years.		They can be replaced with brand new RIFA caps or hard outer plastic filter caps of the type removed (X2 or Y2) except as noted on my [[Power Supplies]] webpage. Both should be replaced in another 20 years.