Question about Audio Players & Recorders
Have a technics amp se-hd560 when its turned up loud the sound seems to go off but it says the cd is still playing, think its a problem with the fan on the amp, it wasnt working but does seem to be now and sometimes still cuts out, do i need a better fan?thanks
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Posted on Jan 02, 2017
SOURCE: Technics SU-V2 keeps cutting out
An amp will cut out if the output protection circuit kicks in. This circuit compares output power against the preset level. Each channel has it's own, independent protector. There are calculations that can be done, but for a novice the rule of thumb is to "never use a speaker with a power rating less than the amp AND a lower impedance than stated". Typically using a 4 ohm load on a 8 ohm system is inviting disaster. Even if the system does not become a smoke generator, you might notice that though "louder", the sound quality is deteriorated. Many "audiophiles" often hook up some combinations of speakers to have "surround" without really understanding that the collective impedance actually changes (generally lowers).
Posted on Jan 21, 2008
SOURCE: amp cuts out
The fan is ageing and putting noise on the protect line. Replace it or put a 100 uf cap across the fan at the plug. Beware polarity is marked wrong on p.c.b.
Posted on Feb 23, 2008
SOURCE: My technics se hd 51
please bring a good contact cleaner from radio shack near you and apply the spray over the socket of the headphone(the place where you put your headphone jack)take headphone jack out and apply spray in and insert the jack in and out many times.-also check your system setup and confirm that all speaker are on- no mute button pressed-no cable is disconnected.
Posted on Jul 13, 2008
SOURCE: amp cutting out
You have one of two solutions.
One: you have the speaker ohm load lower or higher than the amplifier will support. You should check the ohms rating on your speakers vs. the amplifier. Make sure you match up the rates for proper operation. You can also try out a different set of speakers and see if they work properly.
Two: You have an electronics failure within the amplifier. You need to obtain the electronic knowledge and schematics for servicing your unit or bring it to a repair facility in your area.
Just as an FYI.... double check your speaker cables and make sure that neither the left or right is shorting together. Make sure the bare conductors are not touching anywhere. A pinched or damaged speakers wire can also cause the symptoms you are talking about.
Posted on Jan 21, 2009
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