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Solex SX-10L guitar Amp. guitar was plugged into the headphone socket by mistake and it started to smoke.The 500ml amp fuse did not blow. can you help? I have replaced two resisters. 35v 2200uf and a 35v 100uf, it still smokes, it is too good to bin. Al

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The passive components are smoking because there is a short in the drive. Hence you will need to do a voltage check to see the point of power drain and change the transistor or IC which had failed in this wrong switch over. You dont have to panic as you can do it with a little bit of patience and logic. trace the low continutiy of the voltage in this section and isolate. Please see that the polarity of the capacitors replaced is correct. Try to trace the cirrcuit near to the smoking and disconnect the stages close to it to confirm and identify the fault. Hope my advice helps. Good day

Posted on Jul 24, 2010

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2 Answers

When I turn amp on there is a loud humming that does not stop.


try plugging into a different socket if that doesnt solve problem you may need to replace cord. sounds like a loose neutral in socket though.

Dec 01, 2012 | Fender Frontman 212R 100W 2x12 Guitar...

1 Answer

We are getting a buzzing from our sx ga1065 guitar amp. this set is brand new. help


A fuse is probably blown...or an element is out. Can you return it where you bought it? Try opening it and checking all of it's components.

Apr 21, 2011 | Sx Guitars SX GA1065 / STCAD 10 Watt...

1 Answer

My amp isn't producing any sound. It works when headphones are in but that's it. Please help


The headphones socket is on the preamp stage - it works so the problem must be after the pre-amp.
Do you get any sound at all from the speakers (hiss or perhaps a click) when you turn it on?
If yes it is an amplifier problem.
Here are some possible causes
  • A wire has come off the loudspeaker - easy to fix
  • Speaker protection fuse has blown - small glass fuse mounted on main amplifier chassis - replace with correct rated and type of fuse (note some of these are 'slow' blow type - important that you get the right one)
  • faulty component in the main amplifier stage - requires attention from qualified repairer
  • Loudspeaker burnt out - this can be tested by connecting another speaker across the terminals of the built in speaker.
  • The headphone jack socket automatically disconnects the loudspeaker when phones are plugged in - it could be that the contact in the headphone jack socket is bent and not re-making contact when the headphones are unplugged.

Feb 26, 2011 | Orange Crush 15r 15w Reverb Guitar...

1 Answer

When I turn on the amp, I get a loud hum. plugging into the jack doesn't change anything. turning the dials doesn't change anything. when I turn off the amp it makes a loud crack.


i) Disconnect one lead of loudspeaker & insert an open-ended guitar cable into headphone socket.

ii) Put a dc voltmeter across open end jack then turn Frontman ON for a few seconds.

iii) The reading should be about 0volts - if the voltage is high (27v), then it is likely that the PA chip TDA1514A has blown.

iv) If,however, the voltage is correct in iii) , then reconnect speaker & put guitar cable into the POWER AMP IN socket & connect other end to guitar...Turn on briefly, if there is still hum then fault is in the output stages & will require chassis removal to solve.

Feb 23, 2011 | Fender FrontmanTrade 25r Combo Guitar...

1 Answer

When i plug in a external drum machine or ipod to aux in, i cant hear it out the speaker and only through headphones


This is how it is designed to operate - the aux input is for practice use only and is only routed to the headphones socket and not the speaker. Your only options are to use a different amp for your IPOD or drum machine or to use a mini-mixer to input the combined signals of guitar and IPOD through the single input socket on the BG500

Jan 30, 2011 | TC Electronic BG500 - 115 Amp Combo Bass

1 Answer

I've plugged my SX RST guitar into the SX GA-1065 amp but I can't get sound to come from the amp. I've made sure everything is plugged in and adjusted, but it still won't work. Why can't I get it to play?


Test the amp cable by plugging in the guitar cable an touching the end of the cord and you should get hum from the amp if the volume controls are up.

Many guitars require a battery to operate the preamp inside them.. Verify if yours needs a battery and it is fresh and properly installed.

These batteries are turned on by plugging in the guitar cable into the guitar. Leaving the cable in will exhaaust the battery, often within a day.

Sep 01, 2010 | Sx Guitars SX SST SE CAR + GA1065 STCAD...

1 Answer

No sound


You would NOT use a stereo cable to plug in your guitar.

The stereo cable would carry the battery voltage back to the amp and MAYBE cause the fuse to blow.

You use a MONO instrument cable for your guitar.

The ring connection is use to complete the circuit to turn on the battery in most guitars.

Replace the fuse ONCE and get the proper instrument cable (NOT consumer audio cable) for your guitar.

If fuse blows again, take amp to shop for service.

May 30, 2010 | Peavey Valveking Head

4 Answers

Loud buzzing when amp connects to guitar


Is there a loose connection anywhere?

Jan 03, 2009 | Music

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