Amp will not power up its dead I have 0 volts on all pins of the 594 any suggestions?
S S Merlington Member Joined 2012 2012-07-15 6:22 am #1 2012-07-15 6:22 am #1 Amp will not power up its dead I have 0 volts on all pins of the 594 any suggestions? ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-07-16 12:09 am #2 2012-07-16 12:09 am #2 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). ••• More options Share S S Merlington Member Joined 2012 2012-07-16 12:55 am #3 2012-07-16 12:55 am #3 It goes to Q902 I have 0 volts on all 3 legs ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-07-16 1:35 am #4 2012-07-16 1:35 am #4 Are you sure that the fuse isn't blown? ••• More options Share S S Merlington Member Joined 2012 2012-07-16 1:38 am #5 2012-07-16 1:38 am #5 Both fuses looked fine but i replaced them and the amp powers up perfectly Thanks for the info ••• More options Share S S Merlington Member Joined 2012 2012-08-10 8:20 pm #6 2012-08-10 8:20 pm #6 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 ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-08-10 10:00 pm #7 2012-08-10 10:00 pm #7 Did you pull the board to look for bad solder connections or burned traces? ••• More options Share S S Merlington Member Joined 2012 2012-08-10 10:32 pm #8 2012-08-10 10:32 pm #8 Yes do see any.. I will heat up the solder and see if that does anything ••• More options Share Show hidden low quality content Status This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link Home General Interest Car Audio Sony XM-GTX6040
P Perry Babin Member Joined 2003 bcae1.com 2012-07-16 12:09 am #2 2012-07-16 12:09 am #2 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). ••• More options Share S S Merlington Member Joined 2012 2012-07-16 12:55 am #3 2012-07-16 12:55 am #3 It goes to Q902 I have 0 volts on all 3 legs ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-07-16 1:35 am #4 2012-07-16 1:35 am #4 Are you sure that the fuse isn't blown? ••• More options Share S S Merlington Member Joined 2012 2012-07-16 1:38 am #5 2012-07-16 1:38 am #5 Both fuses looked fine but i replaced them and the amp powers up perfectly Thanks for the info ••• More options Share S S Merlington Member Joined 2012 2012-08-10 8:20 pm #6 2012-08-10 8:20 pm #6 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 ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-08-10 10:00 pm #7 2012-08-10 10:00 pm #7 Did you pull the board to look for bad solder connections or burned traces? ••• More options Share S S Merlington Member Joined 2012 2012-08-10 10:32 pm #8 2012-08-10 10:32 pm #8 Yes do see any.. I will heat up the solder and see if that does anything ••• More options Share Show hidden low quality content Status This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link Home General Interest Car Audio Sony XM-GTX6040
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).
S S Merlington Member Joined 2012 2012-07-16 12:55 am #3 2012-07-16 12:55 am #3 It goes to Q902 I have 0 volts on all 3 legs ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-07-16 1:35 am #4 2012-07-16 1:35 am #4 Are you sure that the fuse isn't blown? ••• More options Share S S Merlington Member Joined 2012 2012-07-16 1:38 am #5 2012-07-16 1:38 am #5 Both fuses looked fine but i replaced them and the amp powers up perfectly Thanks for the info ••• More options Share S S Merlington Member Joined 2012 2012-08-10 8:20 pm #6 2012-08-10 8:20 pm #6 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 ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-08-10 10:00 pm #7 2012-08-10 10:00 pm #7 Did you pull the board to look for bad solder connections or burned traces? ••• More options Share S S Merlington Member Joined 2012 2012-08-10 10:32 pm #8 2012-08-10 10:32 pm #8 Yes do see any.. I will heat up the solder and see if that does anything ••• More options Share Show hidden low quality content Status This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link
P Perry Babin Member Joined 2003 bcae1.com 2012-07-16 1:35 am #4 2012-07-16 1:35 am #4 Are you sure that the fuse isn't blown? ••• More options Share S S Merlington Member Joined 2012 2012-07-16 1:38 am #5 2012-07-16 1:38 am #5 Both fuses looked fine but i replaced them and the amp powers up perfectly Thanks for the info ••• More options Share S S Merlington Member Joined 2012 2012-08-10 8:20 pm #6 2012-08-10 8:20 pm #6 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 ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-08-10 10:00 pm #7 2012-08-10 10:00 pm #7 Did you pull the board to look for bad solder connections or burned traces? ••• More options Share S S Merlington Member Joined 2012 2012-08-10 10:32 pm #8 2012-08-10 10:32 pm #8 Yes do see any.. I will heat up the solder and see if that does anything ••• More options Share Show hidden low quality content Status This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link
S S Merlington Member Joined 2012 2012-07-16 1:38 am #5 2012-07-16 1:38 am #5 Both fuses looked fine but i replaced them and the amp powers up perfectly Thanks for the info ••• More options Share S S Merlington Member Joined 2012 2012-08-10 8:20 pm #6 2012-08-10 8:20 pm #6 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 ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-08-10 10:00 pm #7 2012-08-10 10:00 pm #7 Did you pull the board to look for bad solder connections or burned traces? ••• More options Share S S Merlington Member Joined 2012 2012-08-10 10:32 pm #8 2012-08-10 10:32 pm #8 Yes do see any.. I will heat up the solder and see if that does anything ••• More options Share Show hidden low quality content Status This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link
S S Merlington Member Joined 2012 2012-08-10 8:20 pm #6 2012-08-10 8:20 pm #6 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 ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-08-10 10:00 pm #7 2012-08-10 10:00 pm #7 Did you pull the board to look for bad solder connections or burned traces? ••• More options Share S S Merlington Member Joined 2012 2012-08-10 10:32 pm #8 2012-08-10 10:32 pm #8 Yes do see any.. I will heat up the solder and see if that does anything ••• More options Share Show hidden low quality content Status This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link
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
P Perry Babin Member Joined 2003 bcae1.com 2012-08-10 10:00 pm #7 2012-08-10 10:00 pm #7 Did you pull the board to look for bad solder connections or burned traces? ••• More options Share S S Merlington Member Joined 2012 2012-08-10 10:32 pm #8 2012-08-10 10:32 pm #8 Yes do see any.. I will heat up the solder and see if that does anything ••• More options Share Show hidden low quality content Status This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button.
S S Merlington Member Joined 2012 2012-08-10 10:32 pm #8 2012-08-10 10:32 pm #8 Yes do see any.. I will heat up the solder and see if that does anything ••• More options Share