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Marantz => Techniek => Topic gestart door: HAL9000 op februari 16, 2021, 10:56:22

Titel: Marantz sc7 sm7 revisie.
Bericht door: HAL9000 op februari 16, 2021, 10:56:22
Ik heb weer eens een set SC7 & SM7 op de tafel gehad. Opzich werkend. Helaas was wel de phono van deze sc7 defect geraakt. Ook zaten er er slechte kwaliteit elkos in die nu al minder waren geworden. 

Ik heb alle elkos vervangen, alle schakelaars in de ultrasoon gedaan. En alle 9mm transistoren  vervangen met een zwaarder model. Phono hersteld.

De sm7 had een dc fout. Is zwaar gemodificeerd. Heb de fout eruit gehaald. En alles gereviseerd.

Werkt weer fantastisch.(https://uploads.tapatalk-cdn.com/20210216/ff9b4e77ac535db7073e13b87ced6a93.jpg)(https://uploads.tapatalk-cdn.com/20210216/0f222af1515fb5295b6ad77df14a0677.jpg)(https://uploads.tapatalk-cdn.com/20210216/49ad911cfa242c70b4c540f75aa4313f.jpg)(https://uploads.tapatalk-cdn.com/20210216/80c8a4fe2fc4254b1d855e34102a9c71.jpg)(https://uploads.tapatalk-cdn.com/20210216/890ab19b7b94e4958c31d010e87dff61.jpg)(https://uploads.tapatalk-cdn.com/20210216/c1a48fb5e1a1c04203da9aef71ae7bd3.jpg)(https://uploads.tapatalk-cdn.com/20210216/d67109862713507df27ee0b047a5c861.jpg)(https://uploads.tapatalk-cdn.com/20210216/75634939f849d9903f778fab7a283920.jpg)(https://uploads.tapatalk-cdn.com/20210216/1ed0b7d94edb52f14c1331203319decc.jpg)(https://uploads.tapatalk-cdn.com/20210216/749e9361b222fd70c6958723c5953f1c.jpg)(https://uploads.tapatalk-cdn.com/20210216/2b39a64ee3cd292d660a92c12cabb9a1.jpg)(https://uploads.tapatalk-cdn.com/20210216/d74ca9405badc0604f262e1a2f558787.jpg)(https://uploads.tapatalk-cdn.com/20210216/17bc9ee9f235d9af2aca3942449fd518.jpg)(https://uploads.tapatalk-cdn.com/20210216/488fb78cdc3f641e8c786c53c72cc2c3.jpg)(https://uploads.tapatalk-cdn.com/20210216/c6a05484832417e0714688729f5b47da.jpg)(https://uploads.tapatalk-cdn.com/20210216/1a6f2348fb0d0351da86f88e0cfc0850.jpg)(https://uploads.tapatalk-cdn.com/20210216/90f1207f8823b66e8f03741fda66d3ec.jpg)(https://uploads.tapatalk-cdn.com/20210216/ac6c3fe5b0c8a7059a7ab9ffa0800c84.jpg)(https://uploads.tapatalk-cdn.com/20210216/56430441b78238085ccc0f348a32f0bc.jpg)(https://uploads.tapatalk-cdn.com/20210216/57a5e4b8912d4904df07ccd124658c85.jpg)(https://uploads.tapatalk-cdn.com/20210216/cf70f8a41555b6ff6a299159ea10a25f.jpg)(https://uploads.tapatalk-cdn.com/20210216/d6b3348ea79414fad2ac0100ee0e4c40.jpg)(https://uploads.tapatalk-cdn.com/20210216/9aea1e5c59a864cc2adb9aed13088f00.jpg)(https://uploads.tapatalk-cdn.com/20210216/fe2edadff71750a11fc605f604d65988.jpg)(https://uploads.tapatalk-cdn.com/20210216/5d133a8e5760776c85743691667dcc66.jpg)(https://uploads.tapatalk-cdn.com/20210216/b77b6a1a1abb45c21b0a8f267df56386.jpg)(https://uploads.tapatalk-cdn.com/20210216/3c28313575dd0a9ae14358182d7d405a.jpg)(https://uploads.tapatalk-cdn.com/20210216/340ed223f9e81da0bcbf16f54691e0ff.jpg)(https://uploads.tapatalk-cdn.com/20210216/d5742b18c1f2016354f1776cfe822d3f.jpg)(https://uploads.tapatalk-cdn.com/20210216/8e8aa55a8b6a8e2d8474d1fd93cb3037.jpg)(https://uploads.tapatalk-cdn.com/20210216/8ec3bec33c3d02c44c1a9109bb9419f1.jpg)(https://uploads.tapatalk-cdn.com/20210216/5954ac3de5841cac38ef2c72b357e62d.jpg)(https://uploads.tapatalk-cdn.com/20210216/a5a0f60736056268937f313fdc25a20a.jpg)

Verstuurd vanaf mijn SM-G770F met Tapatalk

Titel: Re: Marantz sc7 sm7 revisie.
Bericht door: Ohm Ivo op april 04, 2021, 11:28:09
Waarom weet ik niet, maar ik zie dit topic nu pas. Blijft altijd een feest om  dit soort herstelprojecten te zien. Super!

Groet van Evert
Titel: Re: Marantz sc7 sm7 revisie.
Bericht door: MarkII op mei 22, 2021, 09:49:00
Inderdaad, wat een bewonderenswaardige reparatie weer. Petje af!
(en mooie machinery by the way)
Titel: Re: Marantz sc7 sm7 revisie.
Bericht door: htsui2012 op juni 03, 2021, 12:57:35
Citaat van: HAL9000 op februari 16, 2021, 10:56:22
Ik heb weer eens een set SC7 & SM7 op de tafel gehad. Opzich werkend. Helaas was wel de phono van deze sc7 defect geraakt. Ook zaten er er slechte kwaliteit elkos in die nu al minder waren geworden. 

Ik heb alle elkos vervangen, alle schakelaars in de ultrasoon gedaan. En alle 9mm transistoren  vervangen met een zwaarder model. Phono hersteld.

De sm7 had een dc fout. Is zwaar gemodificeerd. Heb de fout eruit gehaald. En alles gereviseerd.

Werkt weer fantastisch.(https://uploads.tapatalk-cdn.com/20210216/ff9b4e77ac535db7073e13b87ced6a93.jpg)(https://uploads.tapatalk-cdn.com/20210216/0f222af1515fb5295b6ad77df14a0677.jpg)(https://uploads.tapatalk-cdn.com/20210216/49ad911cfa242c70b4c540f75aa4313f.jpg)(https://uploads.tapatalk-cdn.com/20210216/80c8a4fe2fc4254b1d855e34102a9c71.jpg)(https://uploads.tapatalk-cdn.com/20210216/890ab19b7b94e4958c31d010e87dff61.jpg)(https://uploads.tapatalk-cdn.com/20210216/c1a48fb5e1a1c04203da9aef71ae7bd3.jpg)(https://uploads.tapatalk-cdn.com/20210216/d67109862713507df27ee0b047a5c861.jpg)(https://uploads.tapatalk-cdn.com/20210216/75634939f849d9903f778fab7a283920.jpg)(https://uploads.tapatalk-cdn.com/20210216/1ed0b7d94edb52f14c1331203319decc.jpg)(https://uploads.tapatalk-cdn.com/20210216/749e9361b222fd70c6958723c5953f1c.jpg)(https://uploads.tapatalk-cdn.com/20210216/2b39a64ee3cd292d660a92c12cabb9a1.jpg)(https://uploads.tapatalk-cdn.com/20210216/d74ca9405badc0604f262e1a2f558787.jpg)(https://uploads.tapatalk-cdn.com/20210216/17bc9ee9f235d9af2aca3942449fd518.jpg)(https://uploads.tapatalk-cdn.com/20210216/488fb78cdc3f641e8c786c53c72cc2c3.jpg)(https://uploads.tapatalk-cdn.com/20210216/c6a05484832417e0714688729f5b47da.jpg)(https://uploads.tapatalk-cdn.com/20210216/1a6f2348fb0d0351da86f88e0cfc0850.jpg)(https://uploads.tapatalk-cdn.com/20210216/90f1207f8823b66e8f03741fda66d3ec.jpg)(https://uploads.tapatalk-cdn.com/20210216/ac6c3fe5b0c8a7059a7ab9ffa0800c84.jpg)(https://uploads.tapatalk-cdn.com/20210216/56430441b78238085ccc0f348a32f0bc.jpg)(https://uploads.tapatalk-cdn.com/20210216/57a5e4b8912d4904df07ccd124658c85.jpg)(https://uploads.tapatalk-cdn.com/20210216/cf70f8a41555b6ff6a299159ea10a25f.jpg)(https://uploads.tapatalk-cdn.com/20210216/d6b3348ea79414fad2ac0100ee0e4c40.jpg)(https://uploads.tapatalk-cdn.com/20210216/9aea1e5c59a864cc2adb9aed13088f00.jpg)(https://uploads.tapatalk-cdn.com/20210216/fe2edadff71750a11fc605f604d65988.jpg)(https://uploads.tapatalk-cdn.com/20210216/5d133a8e5760776c85743691667dcc66.jpg)(https://uploads.tapatalk-cdn.com/20210216/b77b6a1a1abb45c21b0a8f267df56386.jpg)(https://uploads.tapatalk-cdn.com/20210216/3c28313575dd0a9ae14358182d7d405a.jpg)(https://uploads.tapatalk-cdn.com/20210216/340ed223f9e81da0bcbf16f54691e0ff.jpg)(https://uploads.tapatalk-cdn.com/20210216/d5742b18c1f2016354f1776cfe822d3f.jpg)(https://uploads.tapatalk-cdn.com/20210216/8e8aa55a8b6a8e2d8474d1fd93cb3037.jpg)(https://uploads.tapatalk-cdn.com/20210216/8ec3bec33c3d02c44c1a9109bb9419f1.jpg)(https://uploads.tapatalk-cdn.com/20210216/5954ac3de5841cac38ef2c72b357e62d.jpg)(https://uploads.tapatalk-cdn.com/20210216/a5a0f60736056268937f313fdc25a20a.jpg)

Verstuurd vanaf mijn SM-G770F met Tapatalk
hoe maak je de schakelaar schoon?  alleen water gebruiken?


Sent from my iPad using Tapatalk
Titel: Re: Marantz sc7 sm7 revisie.
Bericht door: HAL9000 op juni 03, 2021, 13:15:31
Eerst water.met contact cleaner. Dan weer maar dan alleen water. Daarna behandelen met silicone olie om alles gangbaar en soepel te krijgen.


Verstuurd vanaf mijn SM-G770F met Tapatalk

Titel: Re: Marantz sc7 sm7 revisie.
Bericht door: htsui2012 op juni 03, 2021, 14:41:32
Citaat van: HAL9000 op juni 03, 2021, 13:15:31
Eerst water.met contact cleaner. Dan weer maar dan alleen water. Daarna behandelen met silicone olie om alles gangbaar en soepel te krijgen.


Verstuurd vanaf mijn SM-G770F met Tapatalk
Dank je.

Sent from my BBF100-6 using Tapatalk

Titel: Re: Marantz sc7 sm7 revisie.
Bericht door: Vinyl_Fuchs op juni 03, 2021, 16:43:07
Mooie set.
Titel: Re: Marantz sc7 sm7 revisie.
Bericht door: MarkII op juni 07, 2021, 19:55:42
Mooie set, mooi stukje herstelwerk, mooi om te lezen.  hello