ZEBRONICS-BTM9600RUCF, BT9500 Main Board most important information, tower home theatre
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ЁЯШ╣
FunTranscript
00:00Hello Friends
00:02Welcome to SK Electronics Work
00:04How are you? I hope you are doing well
00:06Today's video is very important
00:08for new mechanics
00:10who are learning electronics
00:12in this field
00:14You must have recognized this board
00:16If not, let me tell you
00:18This is Zebronics
00:20954
00:22This is very important board
00:24This is not our board
00:26This is Tower's board
00:28I got many questions
00:30I got many
00:32I uploaded a video
00:34Sir, all our resistors
00:36like MOSFET, transistor, etc
00:38are damaged
00:40How to find their number?
00:42Most important video is for this
00:44I will tell you
00:46which number to put
00:48and how to put
00:50If you don't find it, which number to put
00:52I will tell you many numbers
00:54which you have to note
00:56If you remember
00:58like this
01:00you can note it in your diary
01:02I want to tell you
01:04all these boards
01:06RCF 954
01:08which you are seeing
01:10always NPN and PNP
01:12transistors are used
01:14no MOSFET
01:16only transistors are used
01:18I want to tell you
01:20first transistor is
01:22PNP
01:24NPN
01:28PNP
01:30NPN
01:32NPN
01:34PNP
01:36NPN
01:38PNP
01:40NPN
01:42NPN
01:44PNP
01:46NPN
01:48NPN
01:50NPN
01:52PNP
01:54NPN
02:00PNP
02:02NPN
02:04PNP
02:06PNP
02:08NPN
02:10PNP
02:12NPN
02:14PNP
02:16PNP
02:18PNP
02:20If you understand this, then you will not give back to the customer, you will give it back after fixing it.
02:25Here it will be PNP, just next to it will also be PNP.
02:29The last one is NPN.
02:31The one in front of it is our PNP.
02:34This one drives it.
02:37Then this resistance comes up.
02:40So here from 70 ohms to 100 ohms can be applied.
02:44Half watt, quarter watt, one watt, no problem.
02:47Apply it, no problem.
02:48This is about ohms.
02:50If there are 3 or 4 faults, then this thing will be cleared.
02:54This is the big one and then the smaller one.
02:57Then here is the resistance.
02:58These 3 or 4 are the worst.
03:00This side is the worst.
03:01The output side is the worst.
03:04Now I will tell you its base emitter collector.
03:07Understand.
03:08Suppose our first transistor is installed here.
03:11Okay.
03:12This is it.
03:13We have installed this one.
03:15We have installed B688.
03:18Okay.
03:19Our B688 is PNP.
03:22Okay.
03:23Its base emitter collector.
03:27All the transistors that are installed in this board,
03:31in the same way,
03:32its base emitter collector is this one.
03:37Okay.
03:38Base emitter collector BCE.
03:41BCE.
03:42Okay.
03:43BCE.
03:44BCE.
03:45Base Collector Emitter.
03:46In all the cases,
03:47there is no such thing that put it upside down, put it straight.
03:50You always have to put it like this from the straight side.
03:52If you get someone else.
03:53Now let's talk about the numbers.
03:55I will tell you which numbers to put in it.
03:58So these are some numbers.
03:59You can see.
04:00I will try now.
04:02See.
04:03One here is 5198.
04:04Here is 2852.
04:06Here is D718.
04:08Okay.
04:09This is our total NPN.
04:11So these three can be used for this.
04:14The one in the middle.
04:16See this one.
04:17The middle one.
04:18I had put a code here.
04:19I don't want to teach the boy.
04:21So here is NPN and NPN.
04:23So you can use these three in NPN.
04:255198.
04:27Okay.
04:28And here is 2852.
04:30And D718.
04:31Which is the most popular.
04:32You can get it easily.
04:34After that, I told you to put any NPN among these three.
04:37That is, put any NPN on the middle side.
04:40NPN.
04:41Okay.
04:42Now comes PNP.
04:43Which is nearby.
04:44I will tell you that too.
04:45Which is in the last.
04:46Okay.
04:47NPN is nearby.
04:48NPN.
04:49Okay.
04:50The three I told you.
04:51You can put any of them.
04:52D718 in 5198.
04:53Or 2852.
04:54You can put any of these three.
04:55It will be straight.
04:56There is no such thing.
04:57Don't put it upside down.
04:58The emitted collector base is the same.
04:59Okay.
05:00Of all three.
05:01Now comes our PNP.
05:02See here.
05:03Here are some of our transistors.
05:05See.
05:06I will focus.
05:07See the video.
05:08One is 1941.
05:09One is 1947.
05:10One is B680.
05:11Okay friends.
05:12B680.
05:13These three are our PNP transistors.
05:14We call these three PNP transistors.
05:15One here.
05:16PNP.
05:17And in the last one.
05:18In any of these two.
05:19Put these three transistors.
05:20One of the three.
05:21Which is in the last.
05:22Which is in the middle.
05:23Which is in the middle.
05:24Which is in the middle.
05:25Which is in the middle.
05:26Which is in the middle.
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