Top 20 Technics SUV500 2-Channel Amplifier Questions & Answers

That should be answerable but first read the instructions they contain some amazing information. I can not help you because I have no idea of what you want to know.

You most likely need an alternator, usually in day it will run due to not using lights,etc,

Sll I can think of is that a belt or something else out of alighnment

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Possible failure of the FILTER capacitor to the power supply, fault in the power supply , DRY solder joints in the power supply or a regulator failure.You need to check this out with a Voltage check on the board, attempt only if you are versed with this section.

If this unit was brand new the remote should have been included, but if this is second hand the only place to try is www.technics.com contact customer support and the technical department.

technics amplifier su-d5000 service manual

Fault is not clear , if you meant there is no volume then the amplification of the different stages must be checked using a audio signal generator to confirm the stages and drop of volume.can be related to the AF pre-amp stage.Check for dry solder joints.

Generally speaking, an amp attempts to protect itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on; or it may turn on but produce no audio to the speakers. Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up. You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it. If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good. If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'nekkid'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech. Check for loose speaker connections at the speaker as another possible root cause for intermittent shutdown.

HI, I have the User manual of Technics SU-600 in pdf format. If you can sent your email address the i will sent you the manual.Its not possible to sent the manual through this site as it is a pdf file. OK

The fact you have output from the headphones is a good sign. It shows the main amp is working fine. However water has clearly got inside something and affected it. The best course of action is to trace back the wires from the headphone socket and see if there is a relay or anything that could get water in it. If you do find something, try applying warm air from a hairdryer. The alternative is to apply a soldering iron to the solder conections of the device. This should get rid of any water inside. If all else fails you might have to replace the relay. But I would try a spray of Servisol first. Just in case some dust has got inside or mineral salt from the water.

Being a 500W amplifier, you need to connect speakers with 300W each. The correct method to connect speakers is red terminal of speaker should be connected to red terminal of amplifier & black to black. The left side to left side speaker & right to right speaker. There may be main & remote terminals. Main speakers are the speakers at local place of the amplifier & remote for remotely placed speakers. I do have Technics SU-V85A which is somewhat similar. Enjoy! A nice piece to listen.

I reckon this could be an older type of volume control, which if it is a spray of Servisol Video 40 on the workings of the control (inside the unit if you can) should correct it. Otherwise it's an IC that controls it and needs to be replaced.

Check for dry solder joints especially on the main power output transistor.A blown power transistor will stop the 'Current Drive' from engaging so if the problem you have is intermittent then it is most likely dry solder joints.Hope this helps.

Well it sounds like your amplifier IC's are working correctly since you are hearing that pop. I have the same amplifier and every 10db increment it pops. Have you tried every input? Possibly try starting at a low volume, plug an RCA plug into CD or any other input, and touch the center prong of the other end of the cable. You should get a 60hz hum if your in the USA, otherwise it will be 50-55hz. Regardless it should make noise.

HI, The out put ic number of Technics SU Z2 is SVITK2038. If you can sent your email address the i will sent the schematic diagram OK

Let's establish which is the IN and which is the OUT here. The PC is a Line Level source so its OUTPUT would feed one of the amp's Line Level INPUTs.

What's the second amp going to do in your scenario? Something other than the normal stereo channels; something multichannel (if your PC supports it); or just more speakers supported for the PC to feed?

An RCA Y-connector pair would share the stereo output of the PC with multiple Line Level destinations.

If a second amp with its own volume control is intended to share the same two channels with the SU-V500 it could also be slaved off the back of the SU-V500 wih an RCA patch pair exiting the Tape 1 or 2 REC(OUT) jacks. The second amp would receive full-volume audio from whatever source the SU-V500 is playing. Just don't activate the selected Tape monitor on the SU-V500 or you will cut off the source to both amps.

you will have to cleac dust or debris from fan exhaust and filter, can cause it to go into shutdown. Amps will do this to protect them from damage. Regards, meder's tv service

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It DOES use a remote.

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Hi.
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good luck