yes
P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 7:13 pm #21 2016-01-31 7:13 pm #21 yes ••• More options Share Y yoppi Member Joined 2016 2016-01-31 7:14 pm #22 2016-01-31 7:14 pm #22 1,2v and -1,2v ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 7:15 pm #23 2016-01-31 7:15 pm #23 Do you have an oscilloscope? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 7:16 pm #24 2016-01-31 7:16 pm #24 Yes ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 7:21 pm #25 2016-01-31 7:21 pm #25 With nothing connected to the amp, what is the resistance between the shields of the two sets of RCA jacks? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 7:28 pm #26 2016-01-31 7:28 pm #26 RCA connector infinite resistance between red and white RCA connector ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 7:30 pm #27 2016-01-31 7:30 pm #27 Are D198, D199 and the large resistor between them in the circuit? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 7:44 pm #28 2016-01-31 7:44 pm #28 if they are. I have checked and are correct. ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:12 pm #29 2016-01-31 8:12 pm #29 Measure the resistance between the point shown. Attachments P4200026x.jpg 82 KB · Views: 101 ••• More options Share Y yoppi Member Joined 2016 2016-01-31 8:14 pm #30 2016-01-31 8:14 pm #30 Continutity ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:18 pm #31 2016-01-31 8:18 pm #31 Any resistance less than infinity can be considered continuity. Do you mean that you read 0 ohms? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 8:26 pm #32 2016-01-31 8:26 pm #32 ok now I understand. the resistance is 1,5ohm ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:30 pm #33 2016-01-31 8:30 pm #33 If I understood correctly, you stated that you replaced the two 0.22 ohm resistors for the low voltage supply. Is that correct? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 8:45 pm #34 2016-01-31 8:45 pm #34 if 2 SMD resistors are replaced. ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:50 pm #35 2016-01-31 8:50 pm #35 Did you re-check them after applying power to see if they opened again? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 9:01 pm #36 2016-01-31 9:01 pm #36 if, now have their correct value ... ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 9:09 pm #37 2016-01-31 9:09 pm #37 There is a language barrier. Please take the time to more clearly answer the questions. ••• More options Share Y yoppi Member Joined 2016 2016-01-31 9:13 pm #38 2016-01-31 9:13 pm #38 Sorry, resistors 0,22ohm work well ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 9:18 pm #39 2016-01-31 9:18 pm #39 What signal do you see on the center leg of Q471 (with your scope)? It should be a square wave. ••• More options Share Y yoppi Member Joined 2016 2016-02-01 10:17 am #40 2016-02-01 10:17 am #40 Good morning from Spain Do you refer to FET 471? Regards. ••• More options Share Prev 1 2 3 4 Next First Prev 2 of 4 Go to page Go Next Last 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 MTX 1501D problem power supply Top Bottom
Y yoppi Member Joined 2016 2016-01-31 7:14 pm #22 2016-01-31 7:14 pm #22 1,2v and -1,2v ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 7:15 pm #23 2016-01-31 7:15 pm #23 Do you have an oscilloscope? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 7:16 pm #24 2016-01-31 7:16 pm #24 Yes ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 7:21 pm #25 2016-01-31 7:21 pm #25 With nothing connected to the amp, what is the resistance between the shields of the two sets of RCA jacks? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 7:28 pm #26 2016-01-31 7:28 pm #26 RCA connector infinite resistance between red and white RCA connector ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 7:30 pm #27 2016-01-31 7:30 pm #27 Are D198, D199 and the large resistor between them in the circuit? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 7:44 pm #28 2016-01-31 7:44 pm #28 if they are. I have checked and are correct. ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:12 pm #29 2016-01-31 8:12 pm #29 Measure the resistance between the point shown. Attachments P4200026x.jpg 82 KB · Views: 101 ••• More options Share Y yoppi Member Joined 2016 2016-01-31 8:14 pm #30 2016-01-31 8:14 pm #30 Continutity ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:18 pm #31 2016-01-31 8:18 pm #31 Any resistance less than infinity can be considered continuity. Do you mean that you read 0 ohms? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 8:26 pm #32 2016-01-31 8:26 pm #32 ok now I understand. the resistance is 1,5ohm ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:30 pm #33 2016-01-31 8:30 pm #33 If I understood correctly, you stated that you replaced the two 0.22 ohm resistors for the low voltage supply. Is that correct? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 8:45 pm #34 2016-01-31 8:45 pm #34 if 2 SMD resistors are replaced. ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:50 pm #35 2016-01-31 8:50 pm #35 Did you re-check them after applying power to see if they opened again? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 9:01 pm #36 2016-01-31 9:01 pm #36 if, now have their correct value ... ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 9:09 pm #37 2016-01-31 9:09 pm #37 There is a language barrier. Please take the time to more clearly answer the questions. ••• More options Share Y yoppi Member Joined 2016 2016-01-31 9:13 pm #38 2016-01-31 9:13 pm #38 Sorry, resistors 0,22ohm work well ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 9:18 pm #39 2016-01-31 9:18 pm #39 What signal do you see on the center leg of Q471 (with your scope)? It should be a square wave. ••• More options Share Y yoppi Member Joined 2016 2016-02-01 10:17 am #40 2016-02-01 10:17 am #40 Good morning from Spain Do you refer to FET 471? Regards. ••• More options Share Prev 1 2 3 4 Next First Prev 2 of 4 Go to page Go Next Last 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 MTX 1501D problem power supply Top Bottom
P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 7:15 pm #23 2016-01-31 7:15 pm #23 Do you have an oscilloscope? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 7:16 pm #24 2016-01-31 7:16 pm #24 Yes ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 7:21 pm #25 2016-01-31 7:21 pm #25 With nothing connected to the amp, what is the resistance between the shields of the two sets of RCA jacks? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 7:28 pm #26 2016-01-31 7:28 pm #26 RCA connector infinite resistance between red and white RCA connector ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 7:30 pm #27 2016-01-31 7:30 pm #27 Are D198, D199 and the large resistor between them in the circuit? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 7:44 pm #28 2016-01-31 7:44 pm #28 if they are. I have checked and are correct. ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:12 pm #29 2016-01-31 8:12 pm #29 Measure the resistance between the point shown. Attachments P4200026x.jpg 82 KB · Views: 101 ••• More options Share Y yoppi Member Joined 2016 2016-01-31 8:14 pm #30 2016-01-31 8:14 pm #30 Continutity ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:18 pm #31 2016-01-31 8:18 pm #31 Any resistance less than infinity can be considered continuity. Do you mean that you read 0 ohms? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 8:26 pm #32 2016-01-31 8:26 pm #32 ok now I understand. the resistance is 1,5ohm ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:30 pm #33 2016-01-31 8:30 pm #33 If I understood correctly, you stated that you replaced the two 0.22 ohm resistors for the low voltage supply. Is that correct? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 8:45 pm #34 2016-01-31 8:45 pm #34 if 2 SMD resistors are replaced. ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:50 pm #35 2016-01-31 8:50 pm #35 Did you re-check them after applying power to see if they opened again? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 9:01 pm #36 2016-01-31 9:01 pm #36 if, now have their correct value ... ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 9:09 pm #37 2016-01-31 9:09 pm #37 There is a language barrier. Please take the time to more clearly answer the questions. ••• More options Share Y yoppi Member Joined 2016 2016-01-31 9:13 pm #38 2016-01-31 9:13 pm #38 Sorry, resistors 0,22ohm work well ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 9:18 pm #39 2016-01-31 9:18 pm #39 What signal do you see on the center leg of Q471 (with your scope)? It should be a square wave. ••• More options Share Y yoppi Member Joined 2016 2016-02-01 10:17 am #40 2016-02-01 10:17 am #40 Good morning from Spain Do you refer to FET 471? Regards. ••• More options Share Prev 1 2 3 4 Next First Prev 2 of 4 Go to page Go Next Last 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 MTX 1501D problem power supply Top Bottom
Y yoppi Member Joined 2016 2016-01-31 7:16 pm #24 2016-01-31 7:16 pm #24 Yes ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 7:21 pm #25 2016-01-31 7:21 pm #25 With nothing connected to the amp, what is the resistance between the shields of the two sets of RCA jacks? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 7:28 pm #26 2016-01-31 7:28 pm #26 RCA connector infinite resistance between red and white RCA connector ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 7:30 pm #27 2016-01-31 7:30 pm #27 Are D198, D199 and the large resistor between them in the circuit? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 7:44 pm #28 2016-01-31 7:44 pm #28 if they are. I have checked and are correct. ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:12 pm #29 2016-01-31 8:12 pm #29 Measure the resistance between the point shown. Attachments P4200026x.jpg 82 KB · Views: 101 ••• More options Share Y yoppi Member Joined 2016 2016-01-31 8:14 pm #30 2016-01-31 8:14 pm #30 Continutity ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:18 pm #31 2016-01-31 8:18 pm #31 Any resistance less than infinity can be considered continuity. Do you mean that you read 0 ohms? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 8:26 pm #32 2016-01-31 8:26 pm #32 ok now I understand. the resistance is 1,5ohm ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:30 pm #33 2016-01-31 8:30 pm #33 If I understood correctly, you stated that you replaced the two 0.22 ohm resistors for the low voltage supply. Is that correct? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 8:45 pm #34 2016-01-31 8:45 pm #34 if 2 SMD resistors are replaced. ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:50 pm #35 2016-01-31 8:50 pm #35 Did you re-check them after applying power to see if they opened again? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 9:01 pm #36 2016-01-31 9:01 pm #36 if, now have their correct value ... ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 9:09 pm #37 2016-01-31 9:09 pm #37 There is a language barrier. Please take the time to more clearly answer the questions. ••• More options Share Y yoppi Member Joined 2016 2016-01-31 9:13 pm #38 2016-01-31 9:13 pm #38 Sorry, resistors 0,22ohm work well ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 9:18 pm #39 2016-01-31 9:18 pm #39 What signal do you see on the center leg of Q471 (with your scope)? It should be a square wave. ••• More options Share Y yoppi Member Joined 2016 2016-02-01 10:17 am #40 2016-02-01 10:17 am #40 Good morning from Spain Do you refer to FET 471? Regards. ••• More options Share Prev 1 2 3 4 Next First Prev 2 of 4 Go to page Go Next Last 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 MTX 1501D problem power supply Top Bottom
P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 7:21 pm #25 2016-01-31 7:21 pm #25 With nothing connected to the amp, what is the resistance between the shields of the two sets of RCA jacks? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 7:28 pm #26 2016-01-31 7:28 pm #26 RCA connector infinite resistance between red and white RCA connector ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 7:30 pm #27 2016-01-31 7:30 pm #27 Are D198, D199 and the large resistor between them in the circuit? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 7:44 pm #28 2016-01-31 7:44 pm #28 if they are. I have checked and are correct. ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:12 pm #29 2016-01-31 8:12 pm #29 Measure the resistance between the point shown. Attachments P4200026x.jpg 82 KB · Views: 101 ••• More options Share Y yoppi Member Joined 2016 2016-01-31 8:14 pm #30 2016-01-31 8:14 pm #30 Continutity ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:18 pm #31 2016-01-31 8:18 pm #31 Any resistance less than infinity can be considered continuity. Do you mean that you read 0 ohms? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 8:26 pm #32 2016-01-31 8:26 pm #32 ok now I understand. the resistance is 1,5ohm ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:30 pm #33 2016-01-31 8:30 pm #33 If I understood correctly, you stated that you replaced the two 0.22 ohm resistors for the low voltage supply. Is that correct? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 8:45 pm #34 2016-01-31 8:45 pm #34 if 2 SMD resistors are replaced. ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:50 pm #35 2016-01-31 8:50 pm #35 Did you re-check them after applying power to see if they opened again? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 9:01 pm #36 2016-01-31 9:01 pm #36 if, now have their correct value ... ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 9:09 pm #37 2016-01-31 9:09 pm #37 There is a language barrier. Please take the time to more clearly answer the questions. ••• More options Share Y yoppi Member Joined 2016 2016-01-31 9:13 pm #38 2016-01-31 9:13 pm #38 Sorry, resistors 0,22ohm work well ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 9:18 pm #39 2016-01-31 9:18 pm #39 What signal do you see on the center leg of Q471 (with your scope)? It should be a square wave. ••• More options Share Y yoppi Member Joined 2016 2016-02-01 10:17 am #40 2016-02-01 10:17 am #40 Good morning from Spain Do you refer to FET 471? Regards. ••• More options Share Prev 1 2 3 4 Next First Prev 2 of 4 Go to page Go Next Last 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 MTX 1501D problem power supply Top Bottom
With nothing connected to the amp, what is the resistance between the shields of the two sets of RCA jacks?
Y yoppi Member Joined 2016 2016-01-31 7:28 pm #26 2016-01-31 7:28 pm #26 RCA connector infinite resistance between red and white RCA connector ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 7:30 pm #27 2016-01-31 7:30 pm #27 Are D198, D199 and the large resistor between them in the circuit? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 7:44 pm #28 2016-01-31 7:44 pm #28 if they are. I have checked and are correct. ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:12 pm #29 2016-01-31 8:12 pm #29 Measure the resistance between the point shown. Attachments P4200026x.jpg 82 KB · Views: 101 ••• More options Share Y yoppi Member Joined 2016 2016-01-31 8:14 pm #30 2016-01-31 8:14 pm #30 Continutity ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:18 pm #31 2016-01-31 8:18 pm #31 Any resistance less than infinity can be considered continuity. Do you mean that you read 0 ohms? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 8:26 pm #32 2016-01-31 8:26 pm #32 ok now I understand. the resistance is 1,5ohm ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:30 pm #33 2016-01-31 8:30 pm #33 If I understood correctly, you stated that you replaced the two 0.22 ohm resistors for the low voltage supply. Is that correct? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 8:45 pm #34 2016-01-31 8:45 pm #34 if 2 SMD resistors are replaced. ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:50 pm #35 2016-01-31 8:50 pm #35 Did you re-check them after applying power to see if they opened again? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 9:01 pm #36 2016-01-31 9:01 pm #36 if, now have their correct value ... ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 9:09 pm #37 2016-01-31 9:09 pm #37 There is a language barrier. Please take the time to more clearly answer the questions. ••• More options Share Y yoppi Member Joined 2016 2016-01-31 9:13 pm #38 2016-01-31 9:13 pm #38 Sorry, resistors 0,22ohm work well ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 9:18 pm #39 2016-01-31 9:18 pm #39 What signal do you see on the center leg of Q471 (with your scope)? It should be a square wave. ••• More options Share Y yoppi Member Joined 2016 2016-02-01 10:17 am #40 2016-02-01 10:17 am #40 Good morning from Spain Do you refer to FET 471? Regards. ••• More options Share Prev 1 2 3 4 Next First Prev 2 of 4 Go to page Go Next Last 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 MTX 1501D problem power supply Top Bottom
P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 7:30 pm #27 2016-01-31 7:30 pm #27 Are D198, D199 and the large resistor between them in the circuit? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 7:44 pm #28 2016-01-31 7:44 pm #28 if they are. I have checked and are correct. ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:12 pm #29 2016-01-31 8:12 pm #29 Measure the resistance between the point shown. Attachments P4200026x.jpg 82 KB · Views: 101 ••• More options Share Y yoppi Member Joined 2016 2016-01-31 8:14 pm #30 2016-01-31 8:14 pm #30 Continutity ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:18 pm #31 2016-01-31 8:18 pm #31 Any resistance less than infinity can be considered continuity. Do you mean that you read 0 ohms? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 8:26 pm #32 2016-01-31 8:26 pm #32 ok now I understand. the resistance is 1,5ohm ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:30 pm #33 2016-01-31 8:30 pm #33 If I understood correctly, you stated that you replaced the two 0.22 ohm resistors for the low voltage supply. Is that correct? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 8:45 pm #34 2016-01-31 8:45 pm #34 if 2 SMD resistors are replaced. ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:50 pm #35 2016-01-31 8:50 pm #35 Did you re-check them after applying power to see if they opened again? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 9:01 pm #36 2016-01-31 9:01 pm #36 if, now have their correct value ... ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 9:09 pm #37 2016-01-31 9:09 pm #37 There is a language barrier. Please take the time to more clearly answer the questions. ••• More options Share Y yoppi Member Joined 2016 2016-01-31 9:13 pm #38 2016-01-31 9:13 pm #38 Sorry, resistors 0,22ohm work well ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 9:18 pm #39 2016-01-31 9:18 pm #39 What signal do you see on the center leg of Q471 (with your scope)? It should be a square wave. ••• More options Share Y yoppi Member Joined 2016 2016-02-01 10:17 am #40 2016-02-01 10:17 am #40 Good morning from Spain Do you refer to FET 471? Regards. ••• More options Share Prev 1 2 3 4 Next First Prev 2 of 4 Go to page Go Next Last 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 MTX 1501D problem power supply Top Bottom
Y yoppi Member Joined 2016 2016-01-31 7:44 pm #28 2016-01-31 7:44 pm #28 if they are. I have checked and are correct. ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:12 pm #29 2016-01-31 8:12 pm #29 Measure the resistance between the point shown. Attachments P4200026x.jpg 82 KB · Views: 101 ••• More options Share Y yoppi Member Joined 2016 2016-01-31 8:14 pm #30 2016-01-31 8:14 pm #30 Continutity ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:18 pm #31 2016-01-31 8:18 pm #31 Any resistance less than infinity can be considered continuity. Do you mean that you read 0 ohms? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 8:26 pm #32 2016-01-31 8:26 pm #32 ok now I understand. the resistance is 1,5ohm ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:30 pm #33 2016-01-31 8:30 pm #33 If I understood correctly, you stated that you replaced the two 0.22 ohm resistors for the low voltage supply. Is that correct? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 8:45 pm #34 2016-01-31 8:45 pm #34 if 2 SMD resistors are replaced. ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:50 pm #35 2016-01-31 8:50 pm #35 Did you re-check them after applying power to see if they opened again? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 9:01 pm #36 2016-01-31 9:01 pm #36 if, now have their correct value ... ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 9:09 pm #37 2016-01-31 9:09 pm #37 There is a language barrier. Please take the time to more clearly answer the questions. ••• More options Share Y yoppi Member Joined 2016 2016-01-31 9:13 pm #38 2016-01-31 9:13 pm #38 Sorry, resistors 0,22ohm work well ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 9:18 pm #39 2016-01-31 9:18 pm #39 What signal do you see on the center leg of Q471 (with your scope)? It should be a square wave. ••• More options Share Y yoppi Member Joined 2016 2016-02-01 10:17 am #40 2016-02-01 10:17 am #40 Good morning from Spain Do you refer to FET 471? Regards. ••• More options Share Prev 1 2 3 4 Next First Prev 2 of 4 Go to page Go Next Last 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 MTX 1501D problem power supply Top Bottom
P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:12 pm #29 2016-01-31 8:12 pm #29 Measure the resistance between the point shown. Attachments P4200026x.jpg 82 KB · Views: 101 ••• More options Share Y yoppi Member Joined 2016 2016-01-31 8:14 pm #30 2016-01-31 8:14 pm #30 Continutity ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:18 pm #31 2016-01-31 8:18 pm #31 Any resistance less than infinity can be considered continuity. Do you mean that you read 0 ohms? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 8:26 pm #32 2016-01-31 8:26 pm #32 ok now I understand. the resistance is 1,5ohm ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:30 pm #33 2016-01-31 8:30 pm #33 If I understood correctly, you stated that you replaced the two 0.22 ohm resistors for the low voltage supply. Is that correct? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 8:45 pm #34 2016-01-31 8:45 pm #34 if 2 SMD resistors are replaced. ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:50 pm #35 2016-01-31 8:50 pm #35 Did you re-check them after applying power to see if they opened again? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 9:01 pm #36 2016-01-31 9:01 pm #36 if, now have their correct value ... ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 9:09 pm #37 2016-01-31 9:09 pm #37 There is a language barrier. Please take the time to more clearly answer the questions. ••• More options Share Y yoppi Member Joined 2016 2016-01-31 9:13 pm #38 2016-01-31 9:13 pm #38 Sorry, resistors 0,22ohm work well ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 9:18 pm #39 2016-01-31 9:18 pm #39 What signal do you see on the center leg of Q471 (with your scope)? It should be a square wave. ••• More options Share Y yoppi Member Joined 2016 2016-02-01 10:17 am #40 2016-02-01 10:17 am #40 Good morning from Spain Do you refer to FET 471? Regards. ••• More options Share Prev 1 2 3 4 Next First Prev 2 of 4 Go to page Go Next Last 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 MTX 1501D problem power supply Top Bottom
Y yoppi Member Joined 2016 2016-01-31 8:14 pm #30 2016-01-31 8:14 pm #30 Continutity ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:18 pm #31 2016-01-31 8:18 pm #31 Any resistance less than infinity can be considered continuity. Do you mean that you read 0 ohms? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 8:26 pm #32 2016-01-31 8:26 pm #32 ok now I understand. the resistance is 1,5ohm ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:30 pm #33 2016-01-31 8:30 pm #33 If I understood correctly, you stated that you replaced the two 0.22 ohm resistors for the low voltage supply. Is that correct? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 8:45 pm #34 2016-01-31 8:45 pm #34 if 2 SMD resistors are replaced. ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:50 pm #35 2016-01-31 8:50 pm #35 Did you re-check them after applying power to see if they opened again? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 9:01 pm #36 2016-01-31 9:01 pm #36 if, now have their correct value ... ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 9:09 pm #37 2016-01-31 9:09 pm #37 There is a language barrier. Please take the time to more clearly answer the questions. ••• More options Share Y yoppi Member Joined 2016 2016-01-31 9:13 pm #38 2016-01-31 9:13 pm #38 Sorry, resistors 0,22ohm work well ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 9:18 pm #39 2016-01-31 9:18 pm #39 What signal do you see on the center leg of Q471 (with your scope)? It should be a square wave. ••• More options Share Y yoppi Member Joined 2016 2016-02-01 10:17 am #40 2016-02-01 10:17 am #40 Good morning from Spain Do you refer to FET 471? Regards. ••• More options Share Prev 1 2 3 4 Next First Prev 2 of 4 Go to page Go Next Last 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 MTX 1501D problem power supply Top Bottom
P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:18 pm #31 2016-01-31 8:18 pm #31 Any resistance less than infinity can be considered continuity. Do you mean that you read 0 ohms? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 8:26 pm #32 2016-01-31 8:26 pm #32 ok now I understand. the resistance is 1,5ohm ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:30 pm #33 2016-01-31 8:30 pm #33 If I understood correctly, you stated that you replaced the two 0.22 ohm resistors for the low voltage supply. Is that correct? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 8:45 pm #34 2016-01-31 8:45 pm #34 if 2 SMD resistors are replaced. ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:50 pm #35 2016-01-31 8:50 pm #35 Did you re-check them after applying power to see if they opened again? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 9:01 pm #36 2016-01-31 9:01 pm #36 if, now have their correct value ... ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 9:09 pm #37 2016-01-31 9:09 pm #37 There is a language barrier. Please take the time to more clearly answer the questions. ••• More options Share Y yoppi Member Joined 2016 2016-01-31 9:13 pm #38 2016-01-31 9:13 pm #38 Sorry, resistors 0,22ohm work well ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 9:18 pm #39 2016-01-31 9:18 pm #39 What signal do you see on the center leg of Q471 (with your scope)? It should be a square wave. ••• More options Share Y yoppi Member Joined 2016 2016-02-01 10:17 am #40 2016-02-01 10:17 am #40 Good morning from Spain Do you refer to FET 471? Regards. ••• More options Share Prev 1 2 3 4 Next First Prev 2 of 4 Go to page Go Next Last 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 MTX 1501D problem power supply Top Bottom
Y yoppi Member Joined 2016 2016-01-31 8:26 pm #32 2016-01-31 8:26 pm #32 ok now I understand. the resistance is 1,5ohm ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:30 pm #33 2016-01-31 8:30 pm #33 If I understood correctly, you stated that you replaced the two 0.22 ohm resistors for the low voltage supply. Is that correct? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 8:45 pm #34 2016-01-31 8:45 pm #34 if 2 SMD resistors are replaced. ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:50 pm #35 2016-01-31 8:50 pm #35 Did you re-check them after applying power to see if they opened again? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 9:01 pm #36 2016-01-31 9:01 pm #36 if, now have their correct value ... ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 9:09 pm #37 2016-01-31 9:09 pm #37 There is a language barrier. Please take the time to more clearly answer the questions. ••• More options Share Y yoppi Member Joined 2016 2016-01-31 9:13 pm #38 2016-01-31 9:13 pm #38 Sorry, resistors 0,22ohm work well ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 9:18 pm #39 2016-01-31 9:18 pm #39 What signal do you see on the center leg of Q471 (with your scope)? It should be a square wave. ••• More options Share Y yoppi Member Joined 2016 2016-02-01 10:17 am #40 2016-02-01 10:17 am #40 Good morning from Spain Do you refer to FET 471? Regards. ••• More options Share Prev 1 2 3 4 Next First Prev 2 of 4 Go to page Go Next Last 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 MTX 1501D problem power supply Top Bottom
P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:30 pm #33 2016-01-31 8:30 pm #33 If I understood correctly, you stated that you replaced the two 0.22 ohm resistors for the low voltage supply. Is that correct? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 8:45 pm #34 2016-01-31 8:45 pm #34 if 2 SMD resistors are replaced. ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:50 pm #35 2016-01-31 8:50 pm #35 Did you re-check them after applying power to see if they opened again? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 9:01 pm #36 2016-01-31 9:01 pm #36 if, now have their correct value ... ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 9:09 pm #37 2016-01-31 9:09 pm #37 There is a language barrier. Please take the time to more clearly answer the questions. ••• More options Share Y yoppi Member Joined 2016 2016-01-31 9:13 pm #38 2016-01-31 9:13 pm #38 Sorry, resistors 0,22ohm work well ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 9:18 pm #39 2016-01-31 9:18 pm #39 What signal do you see on the center leg of Q471 (with your scope)? It should be a square wave. ••• More options Share Y yoppi Member Joined 2016 2016-02-01 10:17 am #40 2016-02-01 10:17 am #40 Good morning from Spain Do you refer to FET 471? Regards. ••• More options Share Prev 1 2 3 4 Next First Prev 2 of 4 Go to page Go Next Last 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 MTX 1501D problem power supply
If I understood correctly, you stated that you replaced the two 0.22 ohm resistors for the low voltage supply. Is that correct?
Y yoppi Member Joined 2016 2016-01-31 8:45 pm #34 2016-01-31 8:45 pm #34 if 2 SMD resistors are replaced. ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:50 pm #35 2016-01-31 8:50 pm #35 Did you re-check them after applying power to see if they opened again? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 9:01 pm #36 2016-01-31 9:01 pm #36 if, now have their correct value ... ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 9:09 pm #37 2016-01-31 9:09 pm #37 There is a language barrier. Please take the time to more clearly answer the questions. ••• More options Share Y yoppi Member Joined 2016 2016-01-31 9:13 pm #38 2016-01-31 9:13 pm #38 Sorry, resistors 0,22ohm work well ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 9:18 pm #39 2016-01-31 9:18 pm #39 What signal do you see on the center leg of Q471 (with your scope)? It should be a square wave. ••• More options Share Y yoppi Member Joined 2016 2016-02-01 10:17 am #40 2016-02-01 10:17 am #40 Good morning from Spain Do you refer to FET 471? Regards. ••• More options Share Prev 1 2 3 4 Next First Prev 2 of 4 Go to page Go Next Last 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 MTX 1501D problem power supply
P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 8:50 pm #35 2016-01-31 8:50 pm #35 Did you re-check them after applying power to see if they opened again? ••• More options Share Y yoppi Member Joined 2016 2016-01-31 9:01 pm #36 2016-01-31 9:01 pm #36 if, now have their correct value ... ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 9:09 pm #37 2016-01-31 9:09 pm #37 There is a language barrier. Please take the time to more clearly answer the questions. ••• More options Share Y yoppi Member Joined 2016 2016-01-31 9:13 pm #38 2016-01-31 9:13 pm #38 Sorry, resistors 0,22ohm work well ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 9:18 pm #39 2016-01-31 9:18 pm #39 What signal do you see on the center leg of Q471 (with your scope)? It should be a square wave. ••• More options Share Y yoppi Member Joined 2016 2016-02-01 10:17 am #40 2016-02-01 10:17 am #40 Good morning from Spain Do you refer to FET 471? Regards. ••• More options Share Prev 1 2 3 4 Next First Prev 2 of 4 Go to page Go Next Last 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
Y yoppi Member Joined 2016 2016-01-31 9:01 pm #36 2016-01-31 9:01 pm #36 if, now have their correct value ... ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 9:09 pm #37 2016-01-31 9:09 pm #37 There is a language barrier. Please take the time to more clearly answer the questions. ••• More options Share Y yoppi Member Joined 2016 2016-01-31 9:13 pm #38 2016-01-31 9:13 pm #38 Sorry, resistors 0,22ohm work well ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 9:18 pm #39 2016-01-31 9:18 pm #39 What signal do you see on the center leg of Q471 (with your scope)? It should be a square wave. ••• More options Share Y yoppi Member Joined 2016 2016-02-01 10:17 am #40 2016-02-01 10:17 am #40 Good morning from Spain Do you refer to FET 471? Regards. ••• More options Share Prev 1 2 3 4 Next First Prev 2 of 4 Go to page Go Next Last 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 2016-01-31 9:09 pm #37 2016-01-31 9:09 pm #37 There is a language barrier. Please take the time to more clearly answer the questions. ••• More options Share Y yoppi Member Joined 2016 2016-01-31 9:13 pm #38 2016-01-31 9:13 pm #38 Sorry, resistors 0,22ohm work well ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 9:18 pm #39 2016-01-31 9:18 pm #39 What signal do you see on the center leg of Q471 (with your scope)? It should be a square wave. ••• More options Share Y yoppi Member Joined 2016 2016-02-01 10:17 am #40 2016-02-01 10:17 am #40 Good morning from Spain Do you refer to FET 471? Regards. ••• More options Share Prev 1 2 3 4 Next First Prev 2 of 4 Go to page Go Next Last 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
Y yoppi Member Joined 2016 2016-01-31 9:13 pm #38 2016-01-31 9:13 pm #38 Sorry, resistors 0,22ohm work well ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2016-01-31 9:18 pm #39 2016-01-31 9:18 pm #39 What signal do you see on the center leg of Q471 (with your scope)? It should be a square wave. ••• More options Share Y yoppi Member Joined 2016 2016-02-01 10:17 am #40 2016-02-01 10:17 am #40 Good morning from Spain Do you refer to FET 471? Regards. ••• More options Share Prev 1 2 3 4 Next First Prev 2 of 4 Go to page Go Next Last 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 2016-01-31 9:18 pm #39 2016-01-31 9:18 pm #39 What signal do you see on the center leg of Q471 (with your scope)? It should be a square wave. ••• More options Share Y yoppi Member Joined 2016 2016-02-01 10:17 am #40 2016-02-01 10:17 am #40 Good morning from Spain Do you refer to FET 471? Regards. ••• More options Share Prev 1 2 3 4 Next First Prev 2 of 4 Go to page Go Next Last 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.
Y yoppi Member Joined 2016 2016-02-01 10:17 am #40 2016-02-01 10:17 am #40 Good morning from Spain Do you refer to FET 471? Regards. ••• More options Share
