It heats up in just 5 seconds, reaching temperatures that will burn your hands. It heats up very quickly. I changed the TL 494 four twice and it's still the same.
Remove the FETs and send me the DCV on all terminals of the 494. Copy and paste the following list and fill in the blanks. If there is no blank space after the colon, add one between the colon and the numbers you enter. It makes it much easier to read.
Pin 1:
Pin 2:
Pin 3:
Pin 4:
Pin 5:
Pin 6:
Pin 7:
Pin 8:
Pin 9:
Pin 10:
Pin 11:
Pin 12:
Pin 13:
Pin 14:
Pin 15:
Pin 16:
Pin 1:
Pin 2:
Pin 3:
Pin 4:
Pin 5:
Pin 6:
Pin 7:
Pin 8:
Pin 9:
Pin 10:
Pin 11:
Pin 12:
Pin 13:
Pin 14:
Pin 15:
Pin 16:
The translation is very bad, my master, our translation is very bad, it is on par with the masters in Turkey. He took measurements. Legs 9 and 10 were giving 4.2 volts last time. My humble request to you is, can we find the same amplifier or can we find photos of its internal structure? Can we find the same one to see its internal parts? Regards, because it may be a replaced part.
Your request is practically impossible to meet.
It would be very nice to find somebody with exactly the same amplifier, who had exact same problem as you, who replaced "X Y Z" parts so you replace exact same ones and solve your problem, but that never happens, period.
Practical solution is to troubleshoot it, meaning you take measurements and based on that you guess bad parts to replace.
We can help you with that, but you must do your part.
This includes:
If you insist on seeing the original version of the amp, you may never repair this amp. Why not do some proper troubleshooting to see if it can be repaired?
I'm willing to try to help but you need to provide very specific details and answer ALL questions asked.
So answer post#22 in full.
There is no other way, sorry.
As of translation, at some points it looks like you are trying to write in English all by yourself.
Please do not, I suggest you write your original text in grammatically correct Turkish and let Google Translator do its job, you will get better results.
Use as standard words as possible to help Translator.
For example, in English we should write "amplifier , transformer, capacitor, integrated circuit", etc. instead of "amp, tranny, xformer, iron, cap, chip, IC"
Write as standard as possible.
I am adding below a Google Translator conversion to Turkish, do you find it readable?
________________________
Talebinizin karşılanması neredeyse imkansız. Tamamen aynı amplifikatöre sahip, sizinle tamamen aynı sorunu yaşayan, "X Y Z" parçalarını değiştiren, böylece tamamen aynı olanları değiştirip sorununuzu çözen birini bulmak çok güzel olurdu, ama bu asla olmaz, nokta. Pratik çözüm, sorunu gidermektir, yani ölçümler yaparsınız ve buna dayanarak kötü parçaları değiştireceğinizi tahmin edersiniz. Bu konuda size yardımcı olabiliriz, ancak siz de üzerinize düşeni yapmalısınız. Bu şunları içerir: Amplifikatörün orijinal versiyonunu görmekte ısrar ederseniz, bu amplifikatörü asla tamir edemeyebilirsiniz. Tamir edilip edilemeyeceğini görmek için neden uygun sorun giderme işlemleri yapmıyorsunuz? Yardım etmeye hazırım ama çok spesifik ayrıntılar vermeniz ve sorulan TÜM soruları yanıtlamanız gerekiyor. 22. mesaja tam olarak cevap verin. Başka yolu yok, üzgünüm. Çeviri itibariyle bazı noktalarda kendi başınıza İngilizce yazmaya çalışıyormuşsunuz gibi görünüyor. Lütfen yapmayın, orijinal metninizi gramer kurallarına uygun Türkçe yazmanızı ve Google Translator'ın işini yapmasına izin vermenizi öneririm, daha iyi sonuçlar alırsınız. Çevirmene yardımcı olmak için mümkün olduğunca standart kelimeler kullanın. Örneğin İngilizce'de "amp, tranny, xformer, iron, cap, chip, IC" yerine "amplifier, transformatör, kapasitör, entegre devre" vb. yazmalıyız. Mümkün olduğunca standart olarak yazın. Aşağıya bir Google Translator dönüşümünü Türkçeye ekliyorum, okunabilir buluyor musunuz?
Notice some words in English were NOT translated, simply because they are not "standard" or "dictionary" words so I suggest you try to simplify its job.
Good luck.
It would be very nice to find somebody with exactly the same amplifier, who had exact same problem as you, who replaced "X Y Z" parts so you replace exact same ones and solve your problem, but that never happens, period.
Practical solution is to troubleshoot it, meaning you take measurements and based on that you guess bad parts to replace.
We can help you with that, but you must do your part.
This includes:
If you insist on seeing the original version of the amp, you may never repair this amp. Why not do some proper troubleshooting to see if it can be repaired?
I'm willing to try to help but you need to provide very specific details and answer ALL questions asked.
So answer post#22 in full.
There is no other way, sorry.
As of translation, at some points it looks like you are trying to write in English all by yourself.
Please do not, I suggest you write your original text in grammatically correct Turkish and let Google Translator do its job, you will get better results.
Use as standard words as possible to help Translator.
For example, in English we should write "amplifier , transformer, capacitor, integrated circuit", etc. instead of "amp, tranny, xformer, iron, cap, chip, IC"
Write as standard as possible.
I am adding below a Google Translator conversion to Turkish, do you find it readable?
________________________
Talebinizin karşılanması neredeyse imkansız. Tamamen aynı amplifikatöre sahip, sizinle tamamen aynı sorunu yaşayan, "X Y Z" parçalarını değiştiren, böylece tamamen aynı olanları değiştirip sorununuzu çözen birini bulmak çok güzel olurdu, ama bu asla olmaz, nokta. Pratik çözüm, sorunu gidermektir, yani ölçümler yaparsınız ve buna dayanarak kötü parçaları değiştireceğinizi tahmin edersiniz. Bu konuda size yardımcı olabiliriz, ancak siz de üzerinize düşeni yapmalısınız. Bu şunları içerir: Amplifikatörün orijinal versiyonunu görmekte ısrar ederseniz, bu amplifikatörü asla tamir edemeyebilirsiniz. Tamir edilip edilemeyeceğini görmek için neden uygun sorun giderme işlemleri yapmıyorsunuz? Yardım etmeye hazırım ama çok spesifik ayrıntılar vermeniz ve sorulan TÜM soruları yanıtlamanız gerekiyor. 22. mesaja tam olarak cevap verin. Başka yolu yok, üzgünüm. Çeviri itibariyle bazı noktalarda kendi başınıza İngilizce yazmaya çalışıyormuşsunuz gibi görünüyor. Lütfen yapmayın, orijinal metninizi gramer kurallarına uygun Türkçe yazmanızı ve Google Translator'ın işini yapmasına izin vermenizi öneririm, daha iyi sonuçlar alırsınız. Çevirmene yardımcı olmak için mümkün olduğunca standart kelimeler kullanın. Örneğin İngilizce'de "amp, tranny, xformer, iron, cap, chip, IC" yerine "amplifier, transformatör, kapasitör, entegre devre" vb. yazmalıyız. Mümkün olduğunca standart olarak yazın. Aşağıya bir Google Translator dönüşümünü Türkçeye ekliyorum, okunabilir buluyor musunuz?
Notice some words in English were NOT translated, simply because they are not "standard" or "dictionary" words so I suggest you try to simplify its job.
Good luck.
Thank you very much, for your interest and interest, yes, I left the translation to Google Translate. He's doing it himself now. You have written a very careful and high-quality article. As you say, I pay attention and try to pay attention. Consultations with masters. I'm trying to progress by asking the masters in Turkey, but right now I left it to someone doing repairs here. He is better and more experienced than me. He said, "This amplifier is full of worms." The capacitors installed upside down were called zener, I replaced them correctly. To answer your question number 22, I could only see the texts here and enter here.
To question number 22. I will review and try to answer. I'm looking and examining it now.Also, thank you very much for your Turkish translation.
So answer post#22 in full.
As for message number 22 here. You sent messages number one and number 2, you asked me to reply to the message number two, I didn't quite understand. Or in the rankings. 22 people sent messages, you meant ten, I couldn't find the number 22, you 1)
You separated it as 2)
By seeing the visual inside of the amplifier. I thought we would find the location of the parts. Because we don't know who did what right now and what changed inside. Because 3 people looked at the amphitheatre before us. Let's say 3 masters now. In other words, since we do not know who did what, it would be very beneficial for us visually if there was the same photo of the inside of the same amplifier.
As for message number 22 here. You sent messages number one and number 2, you asked me to reply to the message number two, I didn't quite understand. Or in the rankings. 22 people sent messages, you meant ten, I couldn't find the number 22, you 1)
You separated it as 2)
By seeing the visual inside of the amplifier. I thought we would find the location of the parts. Because we don't know who did what right now and what changed inside. Because 3 people looked at the amphitheatre before us. Let's say 3 masters now. In other words, since we do not know who did what, it would be very beneficial for us visually if there was the same photo of the inside of the same amplifier.
Ok now I understand. Normally, all of the voltages were normal, when we measured them and checked them with another expert, we passed them all as normal. There were 4.2 volts on legs 9 10.
I changed the TL494 integrated circuit twice, the legs going to the MOSFETs are legs 9 and 10, my master. So, when we measure the integrated circuit, everything seems stable. Somewhere on the card. There is a short circuit and. That's why we couldn't find it. There is something else that we don't know or can't see.
I have now delivered the card to another location. I gave it to a master who is more knowledgeable and experienced than me. It is also played a lot and has a lot of cards. He said they eliminated it. He's going to look there right now, is he looking or? When it arrives, I will measure it one by one and make a note for you here, master. We measured all of them before when the mosfets were removed. This time it is plugged into the legs of the mosfets. It does not have built-in opening, so it does not fit into the legs of the models. It wasn't opening last time. The last 9 or 10 legs remained stable.