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Post subject: Fender supersonic 60 issues PLEASE HELP
Posted: Fri Apr 20, 2012 11:02 am
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Hello was hoping someone could help me figure out what is going on. I was jammin with the volume on about 3 and all the sudden just cut out. No noise no smoke no burning smell just no sound. Tried different chords diff guitars nothing. Checked the fuse, speaker connection.Everything looks alright. Any thoughts? PLEASE HELP. P.S All the lights work can switch between channels just no sound not even a hum, nothin!


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Post subject: Re: Fender supersonic 60 issues PLEASE HELP
Posted: Fri Apr 20, 2012 12:13 pm
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Due to the fact that you switching is working correctly, the supply +/-16V is OK, then the primary also, then the main fuse is OK.

The issue can mainly come from 2 ways:
1. Filament unsupplied
2. Valves unsupplied
3. Others

1. Does the pilote lamp light ?
If not --> there is a 10A fuse for heater circuit.

2. If yes, there are a couple of big 2W resistors (R148,R150, R151) in the supply, check if their solder joints are OK.

BTW, check all solder joints, especially in the power section.

Take care with high votage that can be lethal for human, if you don't feel it contact a tech.

For the 3rd, later ...

8)

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Post subject: Re: Fender supersonic 60 issues PLEASE HELP
Posted: Sat Apr 21, 2012 9:05 am
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Hi Badvibes

Don`t know if this is the answer to your problem but it may help. Have a look at the topic below.

viewtopic.php?f=13&t=69539


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Post subject: Re: Fender supersonic 60 issues PLEASE HELP
Posted: Sat Apr 28, 2012 11:33 am
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Hello, And thanks for the suggestions.I have been out of town,Got back yesterday decided to check the tubes. One of the 12at7 tubes is not glowing at all. If that tube was bad would it cause the amp to have no sound at all? Thanks . Also it is the tube right next to the power tubes.


Last edited by badvibes on Sat Apr 28, 2012 12:32 pm, edited 1 time in total.

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Post subject: Re: Fender supersonic 60 issues PLEASE HELP
Posted: Sat Apr 28, 2012 12:28 pm
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If it is V6, it is possible because it is the PI stage just before the power stage.
8)

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Post subject: Re: Fender supersonic 60 issues PLEASE HELP
Posted: Sat Apr 28, 2012 1:28 pm
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YES Tis-san, It is V6. Man that would be sweet if that was the problem. I live in the country so no chance of getting one till Monday. But my buddy is coming over tonight with one for me. Finger's crossed. Thanks


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Post subject: Re: Fender supersonic 60 issues PLEASE HELP
Posted: Sat Apr 28, 2012 3:04 pm
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You can take V9 (reverb) instead for test. Ask to your friend for a balanced and matched one. It will be better.
crossfingering ...
:wink:

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Post subject: Re: Fender supersonic 60 issues PLEASE HELP
Posted: Sun Apr 29, 2012 9:58 am
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Thanks again Tis-san. But after thinking about it I have decided not to mess with it. I am pretty new to tube amps. It is not even 2 years old. I will take it to a tech and have someone who knows what they are doing look at it. But thanks anyways.


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