Aelita 102 DIY repair

In detail: aelita 102 do-it-yourself repair from a real master for the site my.housecope.com.

Gena

Image - Aelita 102 do-it-yourself repair

Pilot405

Jenyok

Video (click to play).

Gena

I will sell the network power supply unit from the Aelita 102 radio tape recorder. Prevention was made, K50-6 was replaced in the reference voltage source, thermal paste was laid between the control transistor and the radiator. The axial electrolytic capacitor in the rectifier did not change, because with the capacity and esr he is all right. A stabilized voltage of 14 volts was tested with a load consuming more than 10 watts (750 milliamps), while the PSU output was 13.98 volts. The amplitude of the ripple is 25 millivolts at the same load.

There are scratches on the power supply case, and the mains plug is missing. Shipped from Saransk by Russian Post or TC "Business Lines", "PEK". Lot exhibited on other resources.

The price is 600 rubles, or I will exchange it for a measuring record "IZM 33s 0201-02" or "IZM 0281-2".

_________________
Could you play the nocturne on the drainpipe flute?

A little dusty, everything that can crack - P2K, pots, etc. cracks.
The background, the magician pulls - in principle, nothing serious.
The very first thing is a sink, the rest later.
Eh. I had them repaired under warranty!

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Last edited by GOGA Riga Feb 28, 2014 3:47 pm, edited 1 time in total.

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Here are the insides

I am also the second owner, the first was the father-in-law.

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Last edited by GOGA Riga on Feb 28, 2014 3:49 pm, edited 1 time in total.

GOGA Riga - Yeah, showed up.
I gave away 4 of these three years ago. Right now, there are already two - one for details + Aelita. also destroyed.
A very good receiver, a pleasant sound, an ugly tape recorder - you can kill a LPM.

I never made a TR generator.

_________________
About repair: viewtopic.php?f=3&t=93525&st=0&sk=t&sd=a
I want needles for GZM and UNITRA.

Last edited by the most! Oct 12, 2013 09:57 PM, edited 1 time in total.

_________________
About repair: viewtopic.php?f=3&t=93525&st=0&sk=t&sd=a
I want needles for GZM and UNITRA.

_________________
WhatsApp, Viber +37128820074
Please visit me on the site
And to my youtube channel

_________________
It seems that I understood the reason for the misunderstanding. Do you think what I think.

In those years, and Riga 110 was produced since 1980, these were very popular devices.
Import cost unimaginable thousand, and these 380 rubles. Lifting price.
No one really dragged them, except perhaps to the beach.
They were especially convenient for summer cottages or garden plots.

_________________
WhatsApp, Viber +37128820074
Please visit me on the site
And to my youtube channel

_________________
About repair: viewtopic.php?f=3&t=93525&st=0&sk=t&sd=a
I want needles for GZM and UNITRA.

_________________
If you didn’t have Yauza-5 (Aidas, Comets, Chaika, etc.) in your childhood, and now Akai (Technics), then you still didn’t have Yauza in childhood.

_________________
About repair: viewtopic.php?f=3&t=93525&st=0&sk=t&sd=a
I want needles for GZM and UNITRA.

Notes of the Soviet consumer.
At one time I used Riga-110, Aelita -111, VEF-260 sigma. (under seals). Riga and VEF with quality marks.
Riga 110 in a black case - a tape recorder of poor quality, does not hold the frequency in the VHF receiver due to varicaps. (The same problems with the VHF unit were in the Vladimir stereophonic Nerl). The receiver tuning scale is very narrow. - Actually, Mr.The price of 380 rubles is not adequate (the average salary is from 115 to 200 rubles per month.)

Aelita-111, (sorry 102) Riga's younger sister in an ugly brown case, even heavier than Riga, with a hitchhiking board in the entire case - but the tape recorder and receiver worked fine.

Last edited by MIKA-57 on Dec 28, 2014 02:05 am, edited 7 times in total.

A very unusual micro-assembly in an aluminum “case”:

Purpose - a transformerless DC voltage converter (capacitor multiplier) with stabilization for powering varicap matrices in electronic tuning units for electronic equipment of wide application.

The microassembly was developed for the radio tape recorder Riga-111 (ML-6102) in the Orbita Design Bureau of the Radio Engineering Production Association. The lead designer of the development is A. Goryunov. The microassembly replaced the PN-15 unit, which was used in previous equipment models (Riga-104, Salyut-001, Riga-110). It was first produced in the RRR microelectronics workshop, then, until the end of the production of the ML-6102 radio tape recorder (1991), at the Elmira plant (formerly the Riga Experimental Plant of Functional Microelectronics) of the Radio Engineering Production Association.

The microassembly was also used in a copy of the Riga radio, produced at the Kurganpribor plant under the name Aelita-102. Microassembly was also used in the Medeo-102 radio tape recorder manufactured by the Petropavlovsk Radio Plant named after. Kirov.

Here is a note about this microassembly from the Radio magazine, No. 7, 1984. :

As a power source for the varicap matrix in the electronic tuning unit of the radio receiver, the 04EM002 microassembly has a number of advantages compared to the PN-16 unit, which is currently widely used for this purpose. It is much smaller in size and weight, has a reduced level of electromagnetic radiation, no accompanying high-pitched sound, three times higher efficiency (70%), and extended supply voltage and operating temperature limits make it possible to use the microassembly in car radios.

Structurally, the microassembly is made in the form of a board with components manufactured using the technology of hybrid integrated circuits. The board is placed in an aluminum shielding casing and filled with a compound.

Functional diagram and a typical diagram of the inclusion of a microassembly:

The voltage converter consists of a multiplier containing a seven-link diode-capacitor circuit with a capacitor recharging control unit, and a negative feedback circuit for stabilizing the output voltage.

External capacitors serve to smooth out voltage ripples at the input and output of the microassembly.

The microassembly allows operation with the preservation of electrical parameters at temperatures from -25 to +55 °C (transportation and storage at temperatures from -50 to +60 °C), under conditions of vibration loads at frequencies up to 60 Hz with a maximum acceleration of up to 5 g and in conditions of high humidity up to 98%.

The electrical parameters of the microassembly are summarized in the table:

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Wiring diagrams and service manuals

Domestic tape recorders and radio tape recorders

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The following documentation may be available for the AELITA 102 tape recorder:

Schematic diagram of the tape recorder AELITA 102 (order) (download)

Repair and tuning manual for the tape recorder AELITA 102 (order) (download)

User manual for tape recorder AELITA 102 (order) (download)

You can always order a circuit diagram for the AELITA 102 tape recorder.

The possibility of ordering a repair and setup manual, as well as an operating manual for the AELITA 102 tape recorder, please specify additionally.

We recommend downloading from our Free Technical Library

Contact someone who understands, otherwise there will be more broken parts after your repair, not less.

But if there is an irresistible desire to delve into the guts of the tape recorder, check the power source, measure the voltage at the electrodes of the power amplifier transistors and analyze the measurement results, they will surely suggest a way to fix the problem.

Contact someone who understands, otherwise there will be more broken parts after your repair, not less.

Maybe all the same RM-204C? My uncle assembled an amplifier from this device according to the scheme from the Radio magazine, squeezed it into a Chinese radio tape recorder in place of the burned-out UMZCH. Still gathering dust somewhere on the mezzanine

According to the diagram: first of all, check the power supply, on the diagram I marked in red the points between which the voltage should be measured. The voltage should be between 12-14 volts.

Aelita-63 1968, petrol engine 1.6 l., 80 l. p., Rear drive, Manual — owner review

In 1963, Alma-Ata engineer-inventor Vladimir Vasilyevich Smirnov began to design his concept car.White Aelita-63 in a two-door convertible body drove with “PROBA” signs instead of license plates in accordance with the rules for operating vehicles of that time (this applies to prototypes and homemade products). The car was built on the basis of Moskvich 403, on its running platform.
In 1968, Smirnov successfully tested the second version of Aelita - 6302 - a fiberglass monocoque coupe body on a space frame with an all-metal non-removable roof. From the first version, in addition to the presence of a roof and a frame, it differed in a radiator grille, the shape of the rear wing fins, an engine, an interior solution, a running base - this time the coupe prototype was built on the basis of the Moskvich-408I car.

On June 3, 1974, Smirnov receives a special ATE certificate (ATE is an act of technical examination of a prototype of non-factory production), and on July 3 of the same year he passes an inspection at the traffic police and receives a state number 73-35ATL and an official registration certificate for his concept car.

The author of this amazing car is V.V. Smirnov was a legendary figure in his time. Having many medals and diplomas of VDNKh of the USSR, being an innovator, designer, head of the laboratory of general technical design at the Central Station of Young Technicians of the Republic of Kazakhstan, he was the ideologist and inspirer of the CSYUT. From his youth, he devoted his whole life to inventive and creative activities, and later to teaching work with young people. In the early 1980s, he was the deputy director of the CSYUT for educational work, and later became the director of the CSYUT of Kazakhstan, having worked in it until it was disbanded and closed in the 1990s. In the 1980s, Smirnov and his work at TsSYuT were repeatedly written in such legendary technical magazines as “Modelist Constructor”, “Young Technician”, “Technology of Youth”, “Science and Life”, “Inventor and Rationalizer” ...

Cassette recorder Radio engineering ML-6102 has been produced since 1988 by the Riga Radio Plant named after A.S. Popov.

The device was restored in 2015.

The radio tape recorder consists of a receiver of the first complexity group operating in the ranges of DV, SV, HF, VHF and a cassette tape recorder panel of the third complexity group. Designed for receiving radio stations and for recording phonograms from a receiver, microphone and external sources, with subsequent playback. It is possible to turn on one of the three fixed stations in the VHF, MW, LW bands. The model has: automatic frequency control and a silent tuning system in the VHF band, scale backlight, automatic shutdown of the tape recorder at the end of the tape, tape consumption counter, noise limiter, overdubbing system, ARUZ, the ability to detune from HS interference, battery recharging, treble tone control and bass, electret microphone.

Receiver sensitivity in the ranges: DV 2.0 mV / m, CB 1.5 mV / m, KB 0.35 mV / m, VHF 10 μV.

Selectivity in the ranges of LW, SV - 30 dB.

The range of reproducible frequencies in terms of sound pressure in the AM path is 125. 3350 Hz, FM and magnetic recording 125. 12500 Hz.

Power supply: network or battery of 6 elements 373.

Aelita 102 is a portable radio tape recorder of the 1st complexity group.
Release since 1984 by the Kurgan plant "Kurganpribor".

The radio tape recorder consists of a radio receiver that receives radio stations in 5 bands: LW, MW, HF, VHF and 4 HF; as well as a cassette recorder.
Universal power supply from 6 A-373 elements or AC 220V.
Has: three fixed settings; silent tuning and automatic tuning in VHF; built-in microphone; "noise reduction" system; noise cancellation switch when recording from the receiver; mixing system; tone controls; tape type switch; pointer indicators; hitch-hiking.
It is possible to connect an external antenna, acoustic systems, headphones and an external source of programs.

Specifications:

– Range of reproducible frequencies – 100-12500 Hz;
- Real sensitivity in the ranges of μV - DV 2.0; 1.5 SW; 0.35 KV; 0.01 VHF;
– Rated output power – 1 W;
– Signal to noise ratio – “-46 dB”
- Detonation coefficient - 0.35%

Size: 390x260x100 mm;
Weight: 5 kg.

We hope that this description will help you to get acquainted with this radio tape recorder and its technical characteristics in more detail.

Leonidich:
May 18, 2018 at 17:37

The first two prototypes of Kurgan radio tape recorders are on my conscience. Their initial name is “Orpheus-301”.
The first layout - a mixture of the Meridian receiver and the Vesna-306 tape recorder, we worked out together with Volodya Karpenko in September 1976, working around the clock. The first is for a month (total). Second -
in a couple of months, already in a more similar to "Hryundig" - in November-December. Further - according to the developments of Kruklis.

Leonidich:
May 18, 2018 at 17:41

there is no great reason to reject it, I am already 70 years old, and there is nothing left of Kurganpribor.

Leonidich:
May 18, 2018 at 18:05

Before “Aelita 101” (at the beginning “Aelita-201”) there were other variants of the 3rd class developed by the Riga designer
Kruklis, but the Riga design bureau "Orbita" and Rigas Radio Rupnitsa (RRR), insisted on a first-class apparatus - "Aelita" from Kurgan and "Riga" from them. "Aelita 209" their development with our modifications.
And the people of Kiev in those old years were leaders in the production of measuring magnetic tapes. We adopted something from them and set up our own similar one. But this is technology.

Administrator:
May 19, 2018 at 06:46

Good afternoon Leonidich. Can you tell us more about your developments and products? I am very interested in such a history of our Soviet factories. Email me right away

Cabbage Ivan Gennadievich:
06/07/2018 at 10:16 - Rejected

Hello, please tell me how much the VOLT unit from FELITA 102 produces?

Cabbage Ivan Gennadievich:
06/07/2018 at 10:24 - Rejected

PostcardsReborn catalog of postcards for all occasions
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Turn on your music84 streaming radio channels with themed music. Choose your music and listen
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Posted on Nov 6, 2017
I did not carry out prophylaxis, I only changed the belts in brown, and restored the preamplifier in black. Little reviewer.
music

Where can I buy a whole working one? brown aelita 102 childhood memory.

Pimkerton: Look on Avito, they happen quite often.

Super radio for that time. Made in Latvia. It had everything and at that time it was only possible to dream of such a thing!
It cost 330 rubles in 1986.

Murad Ramazanov: Thank you, Murad, I agree with you - a rather sophisticated unit. The only downside is that it's monophonic.

Aelita-101 looked more canonical, or something. But they are now even rarer. Pop VEF-260-2 looks more fun than Aelita-102 :).

excellent technique, it was so brown, by the way, I used batteries sparingly

2 such true Riga 110 receivers work, only in Moscow, they are silent in the countryside,,

I just wanted black, from my musical childhood!

I have already sold the black one))) I don’t want to sell the red one, unless someone offers a GOOD price!

Not up to first class. I mean the sound floats on the second tape recorder. All the chrome was probably turned into precious metals at the factory.

My friend had one like this at the beginning of the 80s (from 82-83 years old) she played very decently cassettes and caught the radio perfectly, only she had weight - mom don’t worry. My brother and I had a Sanio radio tape recorder, light, almost did not weigh, although it was not inferior in size, the Japanese played louder in sound, but there were few low ones, Aelita won here. A very successful model, if there was a stereo price, she would not have been.

I don’t know, of course, but, IMHO, it’s the 302nd “Olympic” Electronics in dark brown that looked festive, and this bandura looks like a huge pile of shit (((

John Prostov))) Figuratively! An interesting metaphor!))) I didn’t even think of such a comparison!))) They smiled!)

The radio tape recorder yells very loudly! Super! 🙂

Riga was a very pleasant machine.And pretty enough. With chrome elements on the front.

There was also exactly this Riga called.

It looks like this late version of the first one came with a lot of chrome overlays. The brown one certainly looks terrible. But this radio tape recorder played amazingly, it had a very soft and large imported speaker, I don’t remember, I can’t be wrong

sorry, I confused with Aelita 101

I won’t argue, but my friend, I already said, aelita was somewhat different and there was a GDR Evsky speaker like

discoman80 The speaker is really very successful - a large oval three-watt broadband speaker with a shielded magnetic system. But not imported, but domestic - this was used in top-class receivers "Leningrad-002", for example.

What a horror and not a radio tape recorder, I don’t know how the sound quality is in real life (although you can hear that it’s not very good from the video) and work, but the plastic is kind of shitty in appearance, like it’s molded from plasticine and the design seems to be made for use somewhere in a mine or in the workshop, so as not to be sorry to get it dirty, the battery cover seems to tell us “don’t even try to put batteries in me.” Although, of course, for the beginning of the 80s, such devices were quite normal, although the West, of course, produced much better and more beautiful radio tape recorders in these years.

Alex Sambo
You are wrong, this radio tape recorder "Aelita" 102 was of very good quality. It had a lot of operations that weren't in other radios! I bought it in 1986 in Kazakhstan, it cost 330 rubles. Then it was very expensive and not everyone could buy it. The sound quality was cancelled. I would still buy it if they were on sale!

And by the way, weight can turn out to be wealth. if, for example, you need to fight off hooligans!) In general, I also find pluses in the brutality of the device.

Normal design for the late 70s, foreign counterparts outwardly differed little. The sound quality is like any portable, no better and no worse. Of the shortcomings - weight (it can only be called wearable conditionally), reliability (they did not live long) and inadequate price.

Alex Sambo I agree, the design is brutal. ))) Perhaps, too brutal)). The weaving of the sblrka is blatant. But there are many interesting ideas
And here is the implementation, as always. ((

Sergey, sorry for the inappropriate question, you have a lot of interesting videos with an overview of electrophones, radiograms, tape recorders, etc., including photo and film equipment, my wife and I watch them with curiosity, and why do you always bypass film projection devices ? There are very few worthwhile videos on the Internet about such legendary devices as Russia, Raduga, Ukraine, etc. I think it would be nice for everyone to see your performance, it is possible to learn something new about our domestic film projectors and their operation in everyday life. So I know that, for example, an amateur film projector RUS was once produced in your city. Best regards from Tambov!

Vitaly, thanks for the comment and interesting question! I'm going to shoot some reviews on amateur film projection equipment. The collection includes eight-millimeter film projectors Luch, Volna, of course, and Rus too. I will definitely take a picture and put it on YouTube, stay in the channel, please! There will be a series of videos about cameras and projectors.

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Before looking for a breakdown, make sure that there is voltage, it may be absent and there is a reason that the fluorescent lamp does not light up. If this is not the reason, we are looking for it in that order.

turn on the light and nothing happens;

the bulb glows only at the edges;

the light bulb flashes with a strobe;

the starter is on, but the lamp does not turn on.

Please note that manufacturers recommend replacing fluorescent lamps and starters at the same time.

she flashes a strobe;

the edges of the flask are black;

it glows, but the brightness is not enough (weakly shines);

lamp does not work.

A typical breakdown of budget fixtures is the destruction of lamp holders and loss of contact. High temperature of a closed lamp, the cause of the destruction of plastic fasteners and connectors. If possible, replace them, bend the contacts in case of a satisfactory condition.A possible malfunction is a burnout of the throttle, often this breakdown is visible visually, a changed color, a melted terminal. Image - Aelita 102 do-it-yourself repair

If you really find a malfunction, you will have to replace the choke with a working one to repair the lamp. You can check the performance with a multimeter, the resistance is good, about 30-40 ohms. Before placing the lamp in a non-working lamp, make sure that the throttle is not closed. Otherwise, you will lose your worker too.

Sometimes there is a breakdown of the wires - the core near the lamp holder or choke breaks off from the vibration of the lamp. In this case, the repair of the fluorescent lamp comes down to restoring contact. Owners of old-style lamps have bypassed these malfunctions.

If you have a lamp with electronic ballast made in china and replacing the light bulb did not solve the problem, most likely the problem is in the electronic unit.In most cases, you can fix it yourself, having a soldering iron and a multimeter at your disposal. Below we will dwell on how to repair the electronic ballast of a fluorescent lamp with our own hands.

Now we will consider the main malfunctions that can be fixed without much investment. Let's start with the electronic ballast, because there are a lot of elements in its circuit that can fail, and besides, tubular fluorescent lamps with electronic ballasts are more common today.

The most common malfunction is a breakdown of transistors. This failure can only be determined by removing the transistors from the circuit and checking them with a tester. Overall transistor junction resistance

400-700 Ohm. When burning, the transistor pulls a resistor in the base circuit with a nominal value of 30 ohms.

Also on the board there is a fuse or a low-resistance resistor of 2-5 ohms, most likely it will have to be replaced, on which the repair will end. You may additionally have to change the diode bridge or its elements.

A breakdown of 47n film capacitors (half a microfarad) or a resonance capacitor in the filament circuit is rare. There have been cases when all of the above is whole and in good order, but the lamp does not work, the reason lies in the DB3 dinistor. If you have checked all the elements of the circuit, then try replacing the dinistor.

You may decide that it is cheaper to buy a new electronic ballast than to repair a broken one. Replacing the starting equipment should not be difficult, because the connection diagram is applied to the device itself. With careful study, it is easy to understand, L and N are terminals for connecting to a 220V network.

We also recommend watching a video that clearly shows how to repair the electronic ballast of a fluorescent lamp yourself:

We draw your attention to the fact that this technology can also be used to repair an energy-saving CFL light bulb. For example, if one glow burned out, repair is the following procedure:

If your old-style lamp does not light up and you are sure that the reason lies precisely in it, the first thing we recommend is checking the starter. The easiest way to perform the test is to have a working starter with the same characteristics on hand. However, if there is no suitable device for replacement, then a performance check can be carried out using an incandescent bulb with a cartridge. Everything is quite simple - we connect one wire from the cartridge directly to the outlet, and the second through the starter, as shown in the photo below:

If the light does not glow, then the reason is in it. Instructions for replacing a fluorescent lamp starter are clearly shown in the video:

The inductor can be checked with a multimeter by ringing its winding. If the choke is really out of order, then repairing a fluorescent lamp comes down to the fact that you just need to change the choke to a whole one.

Here are the main malfunctions that we personally encountered and successfully fixed. Following our algorithm, troubleshooting will take a little time and it will be a couple of trifles to return the lamp to work on its own. We hope our do-it-yourself fluorescent lamp repair manual was understandable and useful for you! Be sure to watch the video tutorials, because. they detail all the steps to fix a broken light bulb.

It will be interesting to read:

Since the beginning of 1984, the Aelita-102 portable cassette recorder has been produced by the Kurgan plant Kurganpribor.This is how my home cassette recorder museum looks now. For several years, with the idea of creating in St. Petersburg a full-fledged museum of cassette recorders of the 70-80s, I was sent by officials, business tycoons, bankers, etc. so many times that I already imagined myself to be a great envoy. Write, I will be grateful! - Briefly about what the issues are: 1) Reviews of optical technology (Telescopes and microscopes, binoculars and magnifiers, and everything in optics) 2) Reviews of retro technology. These are cameras and more (Soviet-made for example) 3) Overview of Nokia Siemens Motorola mobile phones. Retro phones from the 80s and 90s and younger.4) Collectibles Reviews! Numismatics, philately and much more! 5) Reviews of kinders and toys. Interesting reviews for children, as well as kinder lovers! NEW 6) My VLOGS, travels, interesting events! Including educational programs, help videos, discussions, COMPETITIONS and much more! Stay on the channel, subscribe and let's be friends! — Buy optical equipment -Telescope-Microscope-Binoculars-Magnifier In the most reliable and trusted online store: Enjoy your viewing!In this short series of videos, I'll try to put together all the information I've been able to gather about problems with tape drives. Perhaps my experience will be useful to someone.Overview - Olymp A-400 reel-to-reel tape recorder Russia 1994 Valery Eremin provided the device for filming. Link to Valery Eremin's personal block: Tape recorder page on our website:Soviet cash register "KIM-2". 1969 year. Soviet cash register KIM-2. More information - onIt's more clear here:HI-FI SISTEM SHARP 939 .Dream 80-90s. The tape recorder was gathering dust in the garage for 2 years, a friend brought it and says look, otherwise it does not turn on. A small repair of the Tape Recorder consisted in replacing the relay, whose contacts burned out due to the prescription of the service life.