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Download "Дешевый популярный мультиволновой радиоприемник KIPO KB-308AC"

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DIY
KIT
КИТ
Набор
Конструктор
Своими
руками
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Aliexpress
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  • ruRussian
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00:00:02
I welcome everyone to the channel today we have
00:00:05
a star of the flea market,
00:00:08
so to speak, a classic Chinese
00:00:11
radio receiver in all good and bad
00:00:15
senses. Well, of course, first of all, this is
00:00:18
the price, the
00:00:19
advantage of China is very cheap, so let’s
00:00:23
say the most I can say are the cheap
00:00:26
radio receivers that are on sale,
00:00:29
this is its main advantage and not its
00:00:34
disadvantages and other qualities we must
00:00:38
consider from this point of view, this means that
00:00:42
this is a lot of multi-range and here we have 5
00:00:45
indicated, in fact, 4 ranges are
00:00:48
just fm, the range is slightly expanded to
00:00:51
64 here, that is, it captures
00:00:54
television television,
00:00:57
now we have
00:01:00
the characteristics here on the side, well let's
00:01:02
just open it and see what we have in the
00:01:06
kit; the kit contains
00:01:09
instructions in Russian; it's all there,
00:01:14
but in this case it's so simple
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that probably the instructions aren't very
00:01:19
important, but the fact that it's in Russian is
00:01:22
good, both in English and Chinese
00:01:25
we take out our receiver from the pimples and here it is,
00:01:30
like the star of our velvet so by the way it is not a
00:01:36
light radio receiver fears of other
00:01:39
Chinese
00:01:40
design peculiar classics of China that
00:01:44
is, this shape is some kind of black all
00:01:47
garbage color here the scale is again
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ranges here supposedly even number 1 is indicated here
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speaker houses big
00:01:59
duster we have brilliant so the settings
00:02:03
here are smooth and this is very
00:02:05
good but inaccurate, that is, it’s a curve
00:02:08
here we have a switch with the
00:02:12
volume paired here we have riot
00:02:15
police headphones of course at the back we have a
00:02:19
carrying handle that’s not bad in
00:02:24
principle it’s not light therefore the handle
00:02:26
will come in handy here the
00:02:28
range switch the drawback is that it is located at the back
00:02:30
this is the principle of the handle which
00:02:32
is supposed to be used often so
00:02:36
one two three times two
00:02:42
four four positions
00:02:44
so
00:02:46
let's turn it on for this we need to
00:02:50
look at the batteries here what's bad
00:02:53
is that they are big 2 2 expensive batteries
00:02:56
here but there is power from the network,
00:02:59
let's connect it, so we turn on a
00:03:05
very loud sound,
00:03:09
the antenna is on, pull it out now, I
00:03:12
looked at the size from n 35 centimeters, we
00:03:16
pull it out and
00:03:19
catch the radio stations, there is no LED for
00:03:24
precise settings, this is a minus
00:03:28
[applause]
00:03:31
[laughter]
00:03:33
[applause]
00:03:46
[applause]
00:03:53
[music]
00:03:54
[applause]
00:03:56
[music]
00:04:02
s
00:04:05
but let's switch to the next band this is
00:04:09
our a m band
00:04:12
[applause]
00:04:15
reason of logic and let's try it looks like there is practically nothing on
00:04:19
short
00:04:35
waves and medium waves,
00:04:41
now let's hide it and see
00:04:44
what's inside radio receiver and we have
00:04:47
here that there is a socket for the power
00:04:50
cord of an
00:04:52
ordinary power transformer, but it is
00:04:55
so small, low-power, the drawback is
00:04:59
that it was poorly
00:05:00
understood just by the transformer, that it is
00:05:03
poorly packed with a core, so it will be here
00:05:07
next, we have payment here, the fee is
00:05:12
not
00:05:14
PCB in our end tenax get inox
00:05:18
this is the old method of
00:05:20
manufacturing printed circuit boards here is the inox bit
00:05:24
that's what we have here the magnetic antenna is
00:05:28
very short, small, as if
00:05:31
rigid new centrally wound, well, in
00:05:34
principle, because of economics and not weak
00:05:37
on the m band 32 kilohertz crystal here are the
00:05:41
usual capacitors
00:05:44
we have volume control a potentiometer with a
00:05:46
switch and adjustment of the setting,
00:05:48
we also have a potentiometer about such a typical
00:05:50
potentiometer on all such
00:05:53
receivers it is now available on this
00:05:57
side we have smd installation these idiots and
00:06:01
most likely rectifiers since
00:06:03
we have a transformer and usually a
00:06:07
smoothing filter made of capacitors
00:06:10
and here are the chips What is the most joyful thing we have here
00:06:14
is that tt 096 mp9 is a very popular
00:06:19
chip for
00:06:21
receivers on it, the wiring is minimal,
00:06:24
it turns out to be simple and you can build
00:06:27
many ranges just like this one, but
00:06:31
by simply switching
00:06:33
resistors, this is most likely
00:06:36
a transistor, and this is more than once a stabilizer
00:06:39
some
00:06:41
more, what do we have here on this side about the
00:06:44
low-frequency amplifier with the old starish
00:06:47
2822, it is also familiar, but in principle everything is
00:06:52
here and what else we have here on this side is that
00:06:55
we have a very good speaker by the way, it
00:06:58
has
00:07:01
this shiny boot that’s not bad
00:07:06
here we also have metal Grells, very
00:07:10
good, well, the scale has settings, too, plus the
00:07:13
setting scale, we have done it in this
00:07:16
way
00:07:17
with the help of this one, which rotates and
00:07:21
is wound around the tuning knob, well,
00:07:24
draw your conclusions, of course, you can’t expect
00:07:28
something supernatural there for that kind of
00:07:31
money, but in in principle, it’s a good thing
00:07:34
for a dacha, I especially like the volume
00:07:38
because, but elderly people mostly work in
00:07:41
dachas, and not with poor hearing, but also noise, that
00:07:46
is, for the sake of the tribe, let’s say on one
00:07:48
edge of the site
00:07:50
we work on the other edge, but it
00:07:53
will also work for construction, that is, I put on music without
00:07:55
letting you work, and there is also a
00:07:59
lot of noise there, for these purposes, if something breaks it,
00:08:03
well, someone breaks it, it falls, it
00:08:06
breaks, it’s a small problem because after
00:08:09
all, the price is low and that’s why everyone buys
00:08:13
such things at a low price, from the point of
00:08:17
view of disassembly, it’s very interesting to me
00:08:20
because first of all, the interesting chip is
00:08:23
in short supply, so let’s say it’s not bad, and
00:08:26
you can’t even buy it for money because they’re all counterfeits on
00:08:29
Aliexpress, they’re not the same kind of chips, but
00:08:32
there’s a scale, you’ll be able to take it away. The
00:08:35
metal grill is very
00:08:38
long;
00:08:44
the case will work, but I
00:08:48
’ll probably make a separate video on
00:08:50
disassembly, it’s for the sake of penta, restoring the
00:08:53
circuit, what kind of circuit, who on the Internet
00:08:56
didn’t find the circuit diagram, it’s just not right there for this
00:09:00
radio, thank you all for your attention,
00:09:03
subscribe to the channel, there will be a lot of
00:09:05
interesting things
00:09:06
for now

Description:

ПРЕИМУЩЕСТВА - всеволновый, дешевый, русская инструкция, громкий и неплохой звук, плавная легкая настройка крутилкой, крупная шкала настройки, ручка переноски, работа от сети, мощный динамик 3Вт с серебристым пыльником, длинная антенна. НЕДОСТАТКИ - больше габариты и вес, мусорный дизайн, гудит трансформатор даже если радиоприемник выключен, кривая шкала, моно на наушники, переключатель диапазонов сзади, дорогие батарейки типа D, нет светодиода точной настройки, короткая магнитная антенна. ЧИПЫ: KT0936MB9, TDA2822 ============================== СМОТРИТЕ ВИДЕО ПО ТЕМЕ: -Плейлист "Радиоприемники и радиопередатчики" https://www.youtube.com/playlist?list=PL0YaeMGURK-h2pBuKNWuztBa0OlsIGNAg ==============================

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