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Thread Tools | Search this Thread |
15th July 2012, 05:22 AM
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#1 |
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diyAudio Member
Join Date: Jun 2012
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Sony XM-GTX6040
Amp will not power up its dead I have 0 volts on all pins of the 594 any suggestions?
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15th July 2012, 11:09 PM
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#2 |
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diyAudio Member
Join Date: Nov 2003
Location: Louisiana
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Follow the trace back from pin 12. IT likely goes to a Q901. Post the voltage on all 3 legs of Q901 (or whatever transistor it goes to).
__________________
Links >> Basic Car Audio Amp Repair * Basic Car Audio Electronics * New Site * Basic Switching Power Supply Design * Basic Computer Skills << Links |
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15th July 2012, 11:55 PM
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#3 |
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diyAudio Member
Join Date: Jun 2012
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It goes to Q902
I have 0 volts on all 3 legs |
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16th July 2012, 12:35 AM
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#4 |
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diyAudio Member
Join Date: Nov 2003
Location: Louisiana
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Are you sure that the fuse isn't blown?
__________________
Links >> Basic Car Audio Amp Repair * Basic Car Audio Electronics * New Site * Basic Switching Power Supply Design * Basic Computer Skills << Links |
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16th July 2012, 12:38 AM
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#5 |
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diyAudio Member
Join Date: Jun 2012
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Both fuses looked fine but i replaced them and the amp powers up perfectly Thanks for the info
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10th August 2012, 07:20 PM
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#6 |
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diyAudio Member
Join Date: Jun 2012
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Amp worked for about a week and came back to me and it wont power up again..
I replaced both fuse's with new and the amp still wont power up.. I have 0 0.00 volts on all 3 legs of Q902 I also have 00.00 volts on all pins of the 594 |
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10th August 2012, 09:00 PM
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#7 |
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diyAudio Member
Join Date: Nov 2003
Location: Louisiana
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Did you pull the board to look for bad solder connections or burned traces?
__________________
Links >> Basic Car Audio Amp Repair * Basic Car Audio Electronics * New Site * Basic Switching Power Supply Design * Basic Computer Skills << Links |
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10th August 2012, 09:32 PM
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#8 |
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diyAudio Member
Join Date: Jun 2012
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Yes do see any.. I will heat up the solder and see if that does anything
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