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I have a konzert av 502a when i turn on the speaker protector dosent click,the rigth chanel im check the speaker ouput termi their is a high 20 volts dc, what is a common problem whith that case sir?

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  • Audio Player... Master
  • 15,478 Answers

Defective A1943 or defective C5198 power transistors.

Posted on Dec 16, 2016

  • 1 more comment 
  • joverson rana
    joverson rana Dec 16, 2016

    thanks for reply Yes thier is a defective both 1941 and 5198 but i replace alredy..but it a same thing, i try to volume up the left chanel is also cut off. And the rigth still have a high 20 volts dc

  • Brad Brown Dec 16, 2016

    Start checking capacitors

  • joverson rana
    joverson rana Dec 16, 2016

    Ok thank you

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1 Answer

Konzert model AV 502A


Disconnect the speakers, all of them. If the fuse continues blowing off, you have a short circuit in the final stage of the device, called the amplification circuit. If the does not blow , then the short circuit in is one or more speakers.

Jan 18, 2014 | Audio Players & Recorders

1 Answer

Black diagram of av-502a


front: 500 watts/channel
surround: 30 watts/channel
center: 30 watts

Jun 22, 2013 | Audio Players & Recorders

1 Answer

KONZERT AV-502A KARAOKE AMPLIFIER,POOR AUDIO,2-RESISTOR WORN OUT PLS. HELP ME


pls check burnt resistors, if ceramic it's value is .25 0hms 5 watts, if big carbon film resistor it's value is 10 ohms 3 watts. check also power transistors A1941 & C5198. also check driver transistor A940 & C2073

Jan 06, 2013 | Car Audio & Video

1 Answer

Can i hook-up the konzert 502A to AV Reciever


yes you can, just select the audio source to cd/dvd and use stereo rca cord.

Dec 03, 2012 | Audio Players & Recorders

1 Answer

Just asking for a right speakers for konzert 502a


What actually is Right is for you to decide:

These will be dependent to what you intend to use.

If these unit will be used for Karaoke , suggestion could be

using Single 15" Konzert Speakers for each channel or

Dual 12" Konzert Speakers for each channel.


But if you intend to use it in a small room , you can visit the

showroom in which speakers are connected to it, to have your

final decision.What may be best for others may not be the one

you choose.Listen and feel what you like .


Have a nice day!

Nov 03, 2012 | Audio Players & Recorders

3 Answers

How can i upgrade my av 302 to becomes best as konzert av-502


Hi,
upgrade your 302 to 502 need to replaced the toroid transformer, set of output amplifier, set of electrolytic capacitor.
Purchasing of these parts one-by-one is much expensive rather that you buy a brad new Konzert AV-502. Also upgrading the unit is quite tech and need a lot of experienced in electronics.
Hope that it may help you.
Have a nice day.
JDVillanueva

Jan 31, 2011 | Audio Players & Recorders

2 Answers

Amp lights up (display) and then fails to switch


You need to replace the power amp transistor or mosfet. Bring to electronic technician for repair.

Jul 24, 2009 | Sony STR-DE998 7.1 Channels Receiver

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