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I have a problem with a kenwood hifi A -522L that the sound is getting last from pre amp to the power Amplifier the dry joints hasbeen refershed on both amps I suspeckt some electroletic capacitors in the pre amp,s output stage there for the identyfication of that part I have asked for service manual or if you can give me the id of suspecked parts please do that wr Nasim

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

robotek
  • 1512 Answers

SOURCE: Kenwood basic M2 Amp Lightning strike

you can check the output transistors for short circuits with the low ohms range or diode checker . If they have failed, then it is often a good idea to replace all as much stress can be placed on an output array in this type of failure. to repair reliable, all outputs on an offending channel should be replaced.

Make sure the fuse you replaced was the same type of fuse. check markings.... T stands for sloblo... a fast blo duse may let go at turn on. The power supply may have a shorted rectifier diode in it also.

be aware however, every time a fuse of that rating blows... more damage may be occurring to the amp.

Posted on Dec 15, 2007

  • 1 Answer

SOURCE: Technics SH-AC300 Connection to Power Amp & Pre-Amp

Hi!
The problem is, that your SH-AC300 needs an amp with 5.1 input (but no decoder). For this purpose technics delivered SA-AX710.
So if you'd like to use your current equipment it would be impossible.
The only option is for you to buy 2 more Power Amps (SE-A900S), so that each of 3 amps would take care for one part of music. (one for FL, FR; one for RL, RR; and one for sub and center).
Another option is for you to buy SA-AX710. Then all the problems would be solved with it.

Posted on Feb 24, 2008

petraman7
  • 1175 Answers

SOURCE: KRF-5030D i stand by mode

Does it go into standby when it's in another mode like : Cd or Video 1 or tape?

When you state that you checked the power amp IC's , how so did you do this?

Thanks n' let me know.

Posted on Mar 17, 2008

SOURCE: I have a kenwood KA-94

Unit may have any one of several problems: defective or shorted speaker(s), -- ICs work within certain circuit paremeters; B+&B- voltages from power supply also provide voltage to secondary drivers and biasing circuits. Any shorts and/or transistor leakage may cause failure under load. The entire circuit should have been tested before use

Posted on Aug 19, 2008

caroldon
  • 17129 Answers

SOURCE: My pioneer vsx-519V-k amp won't turn on. Just

Have you checked within the set, the fuse and if the standby circuit is working. thre could be a failure of this sub votage which is required for the switch on of the main power. If you do not have any standby indication you must check this section, however if you arre getting the standby you would have a failed output or a shorting that is triggering the error amp to swtich off. If you are familiar with the circuits you can check but I would suggest that since you will need more experience to look into the main board for tracing the fault. In such case check for the service centre nearest to the place you are in using a google search for Pioneer - Audio systems- sevice. Helpful I hope. Good day.

Posted on Jul 06, 2010

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1 Answer

What is the wattage output of the kenwood ka 728 integrated amp?


Specifications Power output: 130 watts per channel into 8? (stereo)
Frequency response: 20Hz to 20kHz
Total harmonic distortion: 0.007%
Input sensitivity: 0.2mV (MC), 2.5mV (MM), 150mV (line)
Signal to noise ratio: 69dB (MC), 87dB (MM), 107dB (line)
Output: 150mV (line)
Dimensions: 340 x 109 x 369mm
Weight: 9.2kg
Year: 1984
Kenwood KA 828 Manual Stereo Integrated Amplifier HiFi Engine

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Connect tv to hifi speakers


It doesn't lokk like your TV has an analog out for your Kenwood system. It might have an optical out but unless the Kenwood has optical in then you'll need to upgrade to a Home theater system with HDMI.

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SURROUND AND CENTER SPEAKERS WORK FINE BUT NO SOUND COMING FROM FRONT SPEAKERS. WHAT COULD BE THE PROBLEM?


Can you fill in something about the speakers and how you have them attached? Since this is a stereo amplifier one wonders how you have anything but the front speakers powered unless you're using THIS amp for just the one pair and driving it from an AV receiver pre-out.

http://www.hifi-pictures.net/amplifiers-home/Technics%20SU-V500/amp.htm

What else is missing from this problem description?

Feb 02, 2011 | Technics SUV500 2-Channel Amplifier

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My rowe ami cd100 plays but there is no bass only


Hi Easiest way to check if its the amp. Is to disconnect the internal speakers the connect a standard hifi speaker to it .If that plays fine its not your amp If it is your amp and your on a budget and the repair could be costly. Many times ive refitted a yamaha 250 watt hifi separate amp to just the cd out cable coming out of the cd player inside machines. Easy to do and only costs around £50 for a second hand one. Instead of £300 for the original. Worked for me many times and my customers have been very happy. Hope this helps.

Cheers Dandares

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1 Answer

Speakers are connected to pre-amp or power-amp? pls explain connections , what connects with what , between cd player + pre amp + power amp + speakers.


Do this, CD audio out jacks to the PRE-AMP INPUT jacks, then PRE-AMP OUT jacks to AMPLIFIER INPUTS then from AMPLIFIER to speakers, This will work similiar with any sound source unit ie. Radio Tuner, Tape deck, etc. Just think of it this way, a PRE-AMP is BEFORE the AMPLIFIER, all the AMPLIFIER is going to do is AMPLIFY the sound to your speakers, HOPE THIS HELPS!

Feb 03, 2009 | Audio Players & Recorders

1 Answer

Speaker distortion on high end


Sounds like classic dry joint on speaker terminal ROTELS are well known for it,if you can use a soldering iron or know someone who can resolder the pins where these terminals are connected,always make sure amp is unplugged from wall socket before ...

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1 Answer

Vintage Stereo Connection ???


Hi spanky

Where to start :) I am excited thinking about them :p You got 2 totally cool pieces of classic vintage gear there in the C2 and the Marantz. I have a C2 preamp myself (gathering dust but wont sell it cos its excellent) and the marantz would be totally cool to have(but then I am a little biased towards 70's vintage marantz). They ruled the roost in HiFi amps throughout that decade.

Because they are both integrated amps, you could use them as standalone systems with a pair of speakers, and just plug your favourite gear into them. If you just wanted to run up a nice sounding HiFi, I would sell the kenwood gear and just keep the Marantz. The Kenwood kr1100 has the edge in power, so if it is grunt you are looking for use that. Because vintage sound is all about stereo, you only really need an integrated amp to get great results.

the specs are
# Kenwood Model Eleven G (KR-11000G) Receiver
120W per channel min RMS, both channels driven, at 8 ohms from 20 to 20.000 Hz with no more than 0.03% total harmonic distortion.
Dynamic power output 440W at 4 ohms
Power bandwidth 5 Hz to 70.000 HZ
Frequency response 5 Hz to 100.000 HZ -1.5dB
Signal to noise ratio 115dB

The marantz is a little lower in power at 75rms a channel, but will have the sonic edge in vintage sound over the kr1100. Look them up on ebay and you will find that they do have some value to collectors and people seeking nice tone. There is an 1152 for sale here for AU$900

Best bet is to fire up the 2 integrated amps,and see how they are going. Run them for several hours to be sure there is no strange noises and crackles. Then decide if you want power or finesse.

You could also run both amps from the C2 preamp by connecting to the Amp in connections to the rear of the integrated amps.

happy to talk to you more about it, hit me with a Fixya if my advice was helpful to you. I would keep the marantz, use that and sell the rest and buy some nice speakers:)

regards
robotek

Jul 20, 2008 | Audio Players & Recorders

1 Answer

Kenwood stereo intergrated amplifier a-76


The only tricks to power up again are this:
Amp to Equalizer : Use the "Connector " of the Amplifier - IN and OUT and connect them to the Line IN and Line Out of the equalizer;
All modules: Use the system control cable like in serie, for example the lowest connects to the above and from thsi one to the other above and so on;
Regarding Power: both CD, Deck and Tunner have different colors to connect to the Amplifier power source, you can't miss it;
Audio Cables, just follow the IN and OUT with correct colors and you are done!

Good luck!
Rgds,
TrepaTrepa

Feb 21, 2008 | Audio Players & Recorders

2 Answers

Repairing a kenwood amp


With your multimeter set to DC volts, the black meter lead on the ground terminal of the amp and the head unit on (so the amp will have remote voltage applied), touch the red lead alternately to the B+ and remote terminals of the amp. If the voltage is below ~11 volts, you need to check the wiring feeding whichever line is too low.

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