copy sony home theatre on off on off problem, होम थिएटर बंद चालू बंद चालू की समस्या को ठीक करना सीखे
copy sony home theatre on off on off problem, होम थिएटर बंद चालू बंद चालू की समस्या को ठीक करना सीखे
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00:00Hello friends, welcome to skelectron's work.
00:03How are you? I hope you are doing great.
00:05So friends, here I have a copy of Sonic Amplifier to repair.
00:08In this, the problem is that it stops as soon as I increase the volume.
00:11And it keeps on going on and on.
00:14If you play it in a low volume, then there is no problem.
00:16If you try to increase the volume, then it keeps on going on and on.
00:20Or sometimes it keeps on going on and on by itself.
00:23There is no humming and all.
00:24See, the voltage is all okay here.
00:27The voltage is 235.
00:29I have put it directly in the main.
00:32There is no such thing in the series.
00:34So now I am going to check and show you.
00:36Here I have connected a speaker.
00:38Right now it is 1.
00:39If we run 4 in this, then what will happen on 4.
00:41Now I will show you on 1.
00:43So friends, see here Bluetooth is going to be connected.
00:46It's done.
00:47So now I will show you by increasing the volume gradually.
00:50See, I am increasing it slightly.
00:52See, I am increasing it slightly.
00:54As soon as we turn it off a little before its full volume.
00:58Now see here, I will show you.
01:01A little.
01:02Increasing slowly.
01:03See, it is shutting down here.
01:05It is shut down here.
01:06Then it will start again.
01:07If I turn down the volume, then it will start properly.
01:10If the volume is full, then it will open and start.
01:14So before saying BT, before saying Bluetooth, it will shut down.
01:18Because the supply is not able to take the load.
01:20The reason for this is that the supply is weak.
01:23Either the transformer is broken.
01:25Or your big capacitors are weak.
01:27Or you have a problem with soldering.
01:29Or whatever it is, you will see what to check.
01:32Such conditions come in front of you.
01:34So friends, I hope you should watch the video till the end.
01:37If you don't understand well.
01:39Friends, if you are new to our channel, then you can subscribe.
01:41If you have done it, then it is a very good thing.
01:43Because you will get to learn something good related to electronics every day.
01:46So friends, see here, if I increase the base a little.
01:49I have reduced the base.
01:51As soon as I try to increase the volume.
01:53I try to increase a little.
01:56As you can see.
01:57The light below is not turning off.
01:59I felt the effect of the light.
02:02As soon as the sound increases.
02:04Along with the sound, the light also fluctuates.
02:08Means it is increasing.
02:10So let's see what happens when we open it.
02:12Fill the light.
02:16Let's open all the pages.
02:18Let's do a little fast forward.
02:26So guys, we have opened all the pages here.
02:29Let's open the open board.
02:31First of all, what to do in such conditions.
02:33Understand a little.
02:35If you have a little problem.
02:38If the soldering is loose.
02:40If the soldering is loose.
02:42I want to tell you one thing.
02:44Along with the sound, there is a very bad humming.
02:46This kind of noise comes.
02:48There is a kind of humming.
02:50There is a very fat humming.
02:52If there is a capacitor losing.
02:54This is not a simple thing.
02:55No wire of the transformer can be removed.
02:57In such conditions.
02:58If the wire of the transformer is loose from somewhere.
03:01Means there is cutting.
03:03So there is no cutting in it.
03:05So it doesn't mean anything.
03:07See guys, let's clean it a little.
03:09First let's track it here.
03:12Let's find the fault.
03:14What is the problem in this?
03:16Now see, I cleaned it a little.
03:18And turn on the system.
03:20After turning on the system.
03:22A little glue will fall here.
03:24The glue.
03:26The glue stick.
03:28A little glue has fallen on the capacitor.
03:30Let's clean it a little earlier.
03:32Because then we will measure its voltage.
03:35Then we will see how much voltage.
03:37How much voltage is on one capacitor.
03:39Like guys.
03:40I have told you in the first video.
03:42There are two main capacitors in it.
03:4425 to 35 volts.
03:46How much extra can you keep?
03:48I turned on the first set.
03:49And we get the same voltage on it.
03:51One and a half volts can go up and down.
03:53Because of the local transformer.
03:55But if the voltage is going up and down.
03:57Then it is the fault of the IC or diode.
03:59Okay.
04:01So guys, we set the meter at 20 volts DC range.
04:04And we set it on one capacitor first.
04:06Then on the second capacitor.
04:08At that time.
04:10Turn on the power.
04:12Turn on the power.
04:14See.
04:15So the voltage is around 14.666.
04:17Okay.
04:18Now let's go to the second.
04:20Let's see how much is it.
04:22Let's hold it.
04:24So see 15.666.
04:26That is one voltage up and down.
04:28Why is that?
04:29Because of the local transformer.
04:30In the local transformer, this is the case.
04:32In the company transformer, this does not happen.
04:34In general, I just play a song.
04:36So I played the song.
04:38Now we have to see.
04:39How much voltage is left on both the capacitors.
04:41When our full base is coming.
04:43Means there is a punch on it.
04:44Means the base is coming.
04:45We will keep the volume low until it is closed.
04:48Less than where it is closed.
04:50It should not be closed.
04:51See in that condition.
04:52How much voltage is dropping.
04:53If it is going below 9 or below 10.
04:55Then there is a problem.
04:57So guys see.
04:58Now here I am holding the wire completely.
05:00On this.
05:01See up to 8 points.
05:03It is going up to 8 volts.
05:05Like our base comes.
05:06Now let's look at the second capacitor.
05:08Look at this too guys.
05:10It is going up to 8.
05:11I have kept it completely stopped.
05:14It is going up to 8.
05:169.5
05:17Up to 8.
05:18But it is a little better on this.
05:19On this one.
05:20Too much.
05:21Too much.
05:22See.
05:237 is also going on this one.
05:24So what is in this condition guys.
05:26Our big capacitors are installed.
05:28See as soon as the base comes.
05:30Its voltage goes down a lot.
05:32And now the sound is very low.
05:34When you increase more.
05:35It will be even less.
05:36What is in this condition.
05:37One is transformer guys.
05:38We have installed a capacitor of less than 1 amp.
05:39That is no problem.
05:40Let it be.
05:41What we have to do.
05:42In this capacitor.
05:43Two.
05:4425 volts.
05:45They have to change new.
05:46Which new value to put.
05:47Which is not a problem.
05:48I will tell you now.
05:49First I want to show.
05:50Which capacitor.
05:51See guys.
05:52This one.
05:53These are our main power supply capacitors.
05:54Which is 12 0 12.
05:55By putting a rectifier.
05:56By converting 12 0 12.
05:57There is a plus voltage on one.
05:58There is a minus voltage on this.
05:59There is a ground.
06:00Where its minus and plus are connected.
06:01So understand it simply.
06:02The big capacitors in this.
06:03I am feeling a little weak.
06:04By the way.
06:05They swell.
06:06In most of the conditions.
06:07But when a lot of time passes.
06:08It swells a lot.
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