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 Investigations |
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| shlepakoff |
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 ilya   Зарегистрирован: 29.06.2009, 18:33 Местонахождение: Houston-Москва Сообщений: 3194 | Post your questions and findings here [ Редактирование 13.02.2011, 03:03 ] Ваше шило, наше мыло: [link] [link] | ||
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| Snapcase |
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| Гость | Hey, that's great. An English language section. Thanks so much, Shlepakoff. | ||
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| shlepakoff |
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ilya Зарегистрирован: 29.06.2009, 18:33 Местонахождение: Houston-Москва Сообщений: 3194 | Snapcase, great to hear form you! Believe it or not, but I was just going to invite you to rejoin now that sovieguitars officially speaks English. It would be fantastic to see you become a regular in this section. Feel free to promote this section on europeanguitars as well. Ваше шило, наше мыло: [link] [link] | ||
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| Snapcase |
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| Гость | Thanks Shlepakoff. I gave up because of the language difficulties. But I'm glad to be back. [ Редактирование 09.02.2011, 07:05 ] | ||
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| shlepakoff |
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ilya Зарегистрирован: 29.06.2009, 18:33 Местонахождение: Houston-Москва Сообщений: 3194 | That was exactly the idea! A lot of the folks who are regulars here were really excited when you first joined, so I believe continuing the attempt to bring our experience and expertise together can only be beneficial for everyone. Ваше шило, наше мыло: [link] [link] | ||
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| shlepakoff |
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ilya Зарегистрирован: 29.06.2009, 18:33 Местонахождение: Houston-Москва Сообщений: 3194 | Trying to dig up info on some rare Orfeus guitars here: [link] Ваше шило, наше мыло: [link] [link] | ||
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| hobo_nephew |
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| Гость | Hi! I was hoping to get some help. Just bought an old Elektronika 5-band equalizer but I can't get it to work. There were no battery connector so I soldered one to the power-connection on the side. I tried to check for bad soldering but since it's just dead silent I could really use some help..  | ||
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| Alex |
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| Гость | hobo nephew, this device can be powered on with the jumper in IN/OUT DIN-connector (in cable). And you can try to change all oxide capacitors and check polarity of battery. | ||
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| hobo_nephew |
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| Гость | Since I don't have any DIN-cables except the two DIN-to-6mm jack cables that came along with the effect I hooked the battery cable up to the same pins that would give it power through the cable (picture below). but I will doublecheck. As for the capacitors, are oxide the same as tantalum? Thanks for the fast answers, I really hope to get this cool pedal working soon, as I recently bought an elektronika/venta flanger that needs fixing as well. [ Редактирование 04.06.2011, 18:14 ] | ||
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| hobo_nephew |
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| Гость |  | ||
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| lordbizarre |
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  Зарегистрирован: 22.02.2011, 16:44 Местонахождение: Brussel, Belgium Сообщений: 43 | Ooh stop !! As I can see you connected the battery on pin 4 & 5 of the DIN-plug,that's wrong ! Those pins are usualy used to connect the pos. or neg. of the batt. to the circuit .If using the original DIN-cable you'll see that pin 4 & 5 are internally short circuited,thus making a connextion via 4 & 5 via that DIN-plug for the batt. If ,as here (but I can't see it 100% clearly) if you plug in the DIN-plug you just short-circuit the battery,who will be empty within a dozen of seconds !!! I don't know if the + or - of the battery is(was)connected to the "ground/housing"...that's now to find out to correct/connect the battery...a schematic would help a lot !!!!! ((with all reserve : usualy the + 9V is connected to the housing , the -9V goes to pin 4 , then pin 5 goes to the circuitry.This WITH ALL RESERVE !!!!!! ))) "lordbizarre's electric guitar and amp museum" repair & expertise guitars and amps Belgium , ?pe [link] | ||
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| hobo_nephew |
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| Гость | Yes you are correct I did connect the battery to pin 4 & 5. But as you can see in the photo these wires goes to +/- on the board, as well as to the housing, a previous owner also carved + & - to the outside of the housing. I actually tried the battery both ways but it did not make any difference, battery is still working. Yes a schematic would help a lot! but I cannot find it anywhere on the web..  | ||
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| hobo_nephew |
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| Гость | second image | ||
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| bay |
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 Зарегистрирован: 30.09.2008, 17:58 Местонахождение: Казань Сообщений: 1690 | I see +9V -9V on the board... so forget about DIN pins. Too be sure replace ALL electrolytic capasitors! K50-6 series the worst cap in all times! They can dry completely for 2-5 year (0mf capasity)! As i see your K50-6 caps made at 1982. ... and do not touch ceramic caps... green tantalum caps are the best ceramic caps from all the world! [ Редактирование 05.06.2011, 19:40 ] In your country, you play the guitar, in Soviet Russia, guitar plays you!! Мой Wish лист [link] Моя почта bayerfor(гав-гав)rambler.ru Обмен "раритетами" [link] | ||
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| hobo_nephew |
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| Гость | Ok thanks. I'll replace the electrolytic capacitors (there are 4 of them) and see if it helps! | ||
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| lordbizarre |
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Зарегистрирован: 22.02.2011, 16:44 Местонахождение: Brussel, Belgium Сообщений: 43 | yes , changing electrolytic cap's never harm !I also noticed + & - 9V on the pcb , so that's something to go on .Is that 100µF capacitor directly connected over the +/- 9V ? Only thing I don't like : " I actually tried the battery both ways ", so I hope there was no connection with the pcb because transistors don't like inverse power/tension and can be destroyed instantly with reversed tension .good luck and keep us posted!! "lordbizarre's electric guitar and amp museum" repair & expertise guitars and amps Belgium , ?pe [link] | ||
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| hobo_nephew |
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| Гость | It's working! Luckily I had all the values at home. Thanks a lot guys! Feel very lucky to have one of these  And yes one of the 100uF are connected to + and + for some strange reason. (???) And I might as well jump right on my next problem, the Elektronika Flanger I mentioned earlier. It works partially. First of all it takes about 30 min for it to start working (it comes gradually), and second, the flanging itself doesn't work. The other controls do work (depth, manual, color). Luckily I do have the schematics for this one, but I don't know what does what or where to start. Perhaps start by changing some capacitors? Pictures here: [link] [ Редактирование 05.06.2011, 21:22 ] | ||
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| bay |
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Зарегистрирован: 30.09.2008, 17:58 Местонахождение: Казань Сообщений: 1690 | hobo_nephew Цитата ... It's working! Luckily I had all the values at home. Thanks a lot guys! Feel very lucky to have one of these And yes one of the 100uF are connected to + and + for some strange reason. (???) And I might as well jump right on my next problem, the Elektronika Flanger I mentioned earlier. It works partially. First of all it takes about 30 min for it to start working (it comes gradually), and second, the flanging itself doesn't work. The other controls do work (depth, manual, color). Luckily I do have the schematics for this one, but I don't know what does what or where to start. Perhaps start by changing some capacitors? Pictures here: http://www.flickr.com/photos/hobonephew/5793212546/in/photostream Good Universal soviet electronics repairing rules: 1) Change all electrolytic caps. ...and if it still not works 2) Start thinking by schematics... [ Редактирование 06.06.2011, 08:23 ] In your country, you play the guitar, in Soviet Russia, guitar plays you!! Мой Wish лист [link] Моя почта bayerfor(гав-гав)rambler.ru Обмен "раритетами" [link] | ||
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| lordbizarre |
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Зарегистрирован: 22.02.2011, 16:44 Местонахождение: Brussel, Belgium Сообщений: 43 | when changing capacitors doesn't help : you've to measure all resistances and/or find someone who can do it for you...but also it's better to find someone with an oscilloscope who can check the waves on the 4 testpoints and also some indicated tensions...if they don't work then the're's a major problem :first determine the working of the IC's and if found a faulthy one you've to find a replacement !!! Another thing : the 100µF across the + & - is there to eliminate some voltage drops if using an external power supply , thus with a 9V battery it isn't nessesary succes ! [ Редактирование 06.06.2011, 07:45 ] "lordbizarre's electric guitar and amp museum" repair & expertise guitars and amps Belgium , ?pe [link] | ||
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| hobo_nephew |
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| Гость | Ok then I'll start by changing all electrolytic capacitors and report back after that! | ||
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| bay |
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Зарегистрирован: 30.09.2008, 17:58 Местонахождение: Казань Сообщений: 1690 | hobo_nephew Цитата ... Ok then I'll start by changing all electrolytic capacitors and report back after that! hobo_nephew it's an offtop, but can we (i think this want to know not just me) ask you, what the point of your interest of soviet stompboxes? [ Редактирование 07.06.2011, 08:24 ] In your country, you play the guitar, in Soviet Russia, guitar plays you!! Мой Wish лист [link] Моя почта bayerfor(гав-гав)rambler.ru Обмен "раритетами" [link] | ||
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| hobo_nephew |
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| Гость | Well, I've been building stompboxes for both friends and myself for a while, and always found my inspiration from old effects, especially the soviet ones, because I really like the robust look. And when I found the elektronika eq on Ebay I decided it was time I bought a real one And there will most likely be more in the future! | ||
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| hobo_nephew |
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| Гость | I finally got the capacitors I ordered, so I replaced all the electrolytic ones in my flanger, and it worked right away Thanks again for the great tip! | ||
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| bay |
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Зарегистрирован: 30.09.2008, 17:58 Местонахождение: Казань Сообщений: 1690 | hobo_nephew Цитата ... I finally got the capacitors I ordered, so I replaced all the electrolytic ones in my flanger, and it worked right away Thanks again for the great tip!U always welcome! USSR-stompboxes ...they weird & unusual, they have uniqe "undeclared sound" - that's why they COOL! In your country, you play the guitar, in Soviet Russia, guitar plays you!! Мой Wish лист [link] Моя почта bayerfor(гав-гав)rambler.ru Обмен "раритетами" [link] | ||
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| hobo_nephew |
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| Гость | Couldn't agree more with you, Soviet stompboxes are the coolest! | ||
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| Модераторы: violet, EjiK, Басист Кайф, Я-Ха, Izol, SPA, shlepakoff, byte_crow |
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Вы должны войти, чтобы отправлять комментарии на этот сайт - пожалуйста, либо войдите, либо - если вы еще не зарегистрированы - щелкните  Poligraf06.09. : 13:00 Продавец сказал, что ему уже несколько человек позвонило, но вроде как договорились. Poligraf06.09. : 12:59 Коллеги! По поводу "Электроники" из Новосибирска сейчас позвонил и договорился. Не могу никому запретить перебивать, но если кто боится, что уйдёт на сторону - бояться не надо. DoomID03.09. : 15:37 Я смотрю по авито, вроде бы бешеные цены по 15000 за пересылку опустились до 1500. Всё так же СДЭК. Ну это еще куда не шло. Austin02.09. : 07:22 Вчера был в офисе СДЭК. Мне пояснили, что изменились требования к перевозке хрупких грузов, к которым относятся гитары. Авито автоматически направляет такие товары в СДЭК, а у самой транспортной компании есть внутренний протокол по упаковке таких товаров, который заключается в изготовлении деревянной обрешётки. В случае повреждения такого груза без обрешётки, его стоимость возмещается тем оператором, который принял груз. Каждый операционист сам принимает на себя такой риск. Информация для справки. Sergey369023.08. : 15:54 Здравствуйте, подскажите,как крепится гриф у Мармы 1655," ласточкин хвост" или на гладкий конус и нет ли нагелей,через каблук Austin21.08. : 11:05 Добрый день, Yavvet. Разместите объявление о покупке в разделе "Запчасти". Что-то можно поискать тут [link] Yavvet21.08. : 08:39 Добрый день Всем! Преобрел я гитару Белорусского производство Соло 2 в критическом состоянии, после кривых ручек... подскажите можно ли преобрести у кого нибудь запчасти на данную модель? Спасибо!!! StariyDed16.08. : 13:04 С Юбилеем, коллеги! От всей души желаю крепкого здоровья, душевного спокойствия, долгих лет счастливой жизни, успехов в делах, благополучия - вам, вашим родным и близким! Посмотреть все сообщения (120054) |
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