The pots that sit by the audio driverboards are they to adjust the bias or the Dc offset ?
C caraudioguy2100 Member Joined 2010 2020-10-09 6:15 am #1 2020-10-09 6:15 am #1 The pots that sit by the audio driverboards are they to adjust the bias or the Dc offset ? Attachments DFDAA79D-DDA5-4021-8E55-745E274EDEB2.jpg 1 MB · Views: 66 ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-09 7:25 am #2 2020-10-09 7:25 am #2 Bias ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-09 7:34 am #3 2020-10-09 7:34 am #3 Ok I replaced the outputs in 1 channel since they were defective . The amps low ohm light is still on and the channel will not bias and the amp draws 20 amps of current ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-09 7:36 am #4 2020-10-09 7:36 am #4 Do all of the LEDs light up on the driver boards if you apply remote for a couple of seconds then remove it? ••• More options Share D DerSamoaner Member Joined 2020 2020-10-09 7:47 am #5 2020-10-09 7:47 am #5 JL Audio 300/4 BIAS This could be helpful. ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 8:02 am #6 2020-10-22 8:02 am #6 All of the leds light up on the audio driver board . I resoldered all of the connections on it and still have an issue . The outputs get to hot to touch within 3 secs of powering up . Any common problems besides the solder connections on the audio board. ? ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-22 8:34 am #7 2020-10-22 8:34 am #7 Do the outputs get hot with the bias set fully CCW? Last edited: 2020-10-22 8:53 am ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 8:52 am #8 2020-10-22 8:52 am #8 Yes ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-22 8:53 am #9 2020-10-22 8:53 am #9 All channels? ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 8:59 am #10 2020-10-22 8:59 am #10 Just 1 channel left front channel ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-22 9:01 am #11 2020-10-22 9:01 am #11 Is that the channel you repaired? Did you use exact replacement FETs? ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 9:10 am #12 2020-10-22 9:10 am #12 I used IRF540 just like all the other channels . This is the channel that has has issues since I received the amp . ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-22 9:16 am #13 2020-10-22 9:16 am #13 If you clamp the outputs to the heatsink, will the channel produce the same output (clip symmetrically at the rails) as the other channels? No load. ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 9:25 am #14 2020-10-22 9:25 am #14 I’m gonna have to remove the outputs out of all channels since now the low ohm led is lit and no channels will bias ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 9:30 am #15 2020-10-22 9:30 am #15 Something is still wrong with the driverboard or on the main board if I put that driverboard in the amp the low ohm light comes on ••• 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 JL Audio 300/4 Top Bottom
P Perry Babin Member Joined 2003 bcae1.com 2020-10-09 7:25 am #2 2020-10-09 7:25 am #2 Bias ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-09 7:34 am #3 2020-10-09 7:34 am #3 Ok I replaced the outputs in 1 channel since they were defective . The amps low ohm light is still on and the channel will not bias and the amp draws 20 amps of current ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-09 7:36 am #4 2020-10-09 7:36 am #4 Do all of the LEDs light up on the driver boards if you apply remote for a couple of seconds then remove it? ••• More options Share D DerSamoaner Member Joined 2020 2020-10-09 7:47 am #5 2020-10-09 7:47 am #5 JL Audio 300/4 BIAS This could be helpful. ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 8:02 am #6 2020-10-22 8:02 am #6 All of the leds light up on the audio driver board . I resoldered all of the connections on it and still have an issue . The outputs get to hot to touch within 3 secs of powering up . Any common problems besides the solder connections on the audio board. ? ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-22 8:34 am #7 2020-10-22 8:34 am #7 Do the outputs get hot with the bias set fully CCW? Last edited: 2020-10-22 8:53 am ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 8:52 am #8 2020-10-22 8:52 am #8 Yes ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-22 8:53 am #9 2020-10-22 8:53 am #9 All channels? ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 8:59 am #10 2020-10-22 8:59 am #10 Just 1 channel left front channel ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-22 9:01 am #11 2020-10-22 9:01 am #11 Is that the channel you repaired? Did you use exact replacement FETs? ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 9:10 am #12 2020-10-22 9:10 am #12 I used IRF540 just like all the other channels . This is the channel that has has issues since I received the amp . ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-22 9:16 am #13 2020-10-22 9:16 am #13 If you clamp the outputs to the heatsink, will the channel produce the same output (clip symmetrically at the rails) as the other channels? No load. ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 9:25 am #14 2020-10-22 9:25 am #14 I’m gonna have to remove the outputs out of all channels since now the low ohm led is lit and no channels will bias ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 9:30 am #15 2020-10-22 9:30 am #15 Something is still wrong with the driverboard or on the main board if I put that driverboard in the amp the low ohm light comes on ••• 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 JL Audio 300/4 Top Bottom
C caraudioguy2100 Member Joined 2010 2020-10-09 7:34 am #3 2020-10-09 7:34 am #3 Ok I replaced the outputs in 1 channel since they were defective . The amps low ohm light is still on and the channel will not bias and the amp draws 20 amps of current ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-09 7:36 am #4 2020-10-09 7:36 am #4 Do all of the LEDs light up on the driver boards if you apply remote for a couple of seconds then remove it? ••• More options Share D DerSamoaner Member Joined 2020 2020-10-09 7:47 am #5 2020-10-09 7:47 am #5 JL Audio 300/4 BIAS This could be helpful. ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 8:02 am #6 2020-10-22 8:02 am #6 All of the leds light up on the audio driver board . I resoldered all of the connections on it and still have an issue . The outputs get to hot to touch within 3 secs of powering up . Any common problems besides the solder connections on the audio board. ? ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-22 8:34 am #7 2020-10-22 8:34 am #7 Do the outputs get hot with the bias set fully CCW? Last edited: 2020-10-22 8:53 am ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 8:52 am #8 2020-10-22 8:52 am #8 Yes ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-22 8:53 am #9 2020-10-22 8:53 am #9 All channels? ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 8:59 am #10 2020-10-22 8:59 am #10 Just 1 channel left front channel ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-22 9:01 am #11 2020-10-22 9:01 am #11 Is that the channel you repaired? Did you use exact replacement FETs? ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 9:10 am #12 2020-10-22 9:10 am #12 I used IRF540 just like all the other channels . This is the channel that has has issues since I received the amp . ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-22 9:16 am #13 2020-10-22 9:16 am #13 If you clamp the outputs to the heatsink, will the channel produce the same output (clip symmetrically at the rails) as the other channels? No load. ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 9:25 am #14 2020-10-22 9:25 am #14 I’m gonna have to remove the outputs out of all channels since now the low ohm led is lit and no channels will bias ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 9:30 am #15 2020-10-22 9:30 am #15 Something is still wrong with the driverboard or on the main board if I put that driverboard in the amp the low ohm light comes on ••• 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 JL Audio 300/4 Top Bottom
Ok I replaced the outputs in 1 channel since they were defective . The amps low ohm light is still on and the channel will not bias and the amp draws 20 amps of current
P Perry Babin Member Joined 2003 bcae1.com 2020-10-09 7:36 am #4 2020-10-09 7:36 am #4 Do all of the LEDs light up on the driver boards if you apply remote for a couple of seconds then remove it? ••• More options Share D DerSamoaner Member Joined 2020 2020-10-09 7:47 am #5 2020-10-09 7:47 am #5 JL Audio 300/4 BIAS This could be helpful. ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 8:02 am #6 2020-10-22 8:02 am #6 All of the leds light up on the audio driver board . I resoldered all of the connections on it and still have an issue . The outputs get to hot to touch within 3 secs of powering up . Any common problems besides the solder connections on the audio board. ? ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-22 8:34 am #7 2020-10-22 8:34 am #7 Do the outputs get hot with the bias set fully CCW? Last edited: 2020-10-22 8:53 am ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 8:52 am #8 2020-10-22 8:52 am #8 Yes ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-22 8:53 am #9 2020-10-22 8:53 am #9 All channels? ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 8:59 am #10 2020-10-22 8:59 am #10 Just 1 channel left front channel ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-22 9:01 am #11 2020-10-22 9:01 am #11 Is that the channel you repaired? Did you use exact replacement FETs? ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 9:10 am #12 2020-10-22 9:10 am #12 I used IRF540 just like all the other channels . This is the channel that has has issues since I received the amp . ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-22 9:16 am #13 2020-10-22 9:16 am #13 If you clamp the outputs to the heatsink, will the channel produce the same output (clip symmetrically at the rails) as the other channels? No load. ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 9:25 am #14 2020-10-22 9:25 am #14 I’m gonna have to remove the outputs out of all channels since now the low ohm led is lit and no channels will bias ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 9:30 am #15 2020-10-22 9:30 am #15 Something is still wrong with the driverboard or on the main board if I put that driverboard in the amp the low ohm light comes on ••• 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 JL Audio 300/4 Top Bottom
Do all of the LEDs light up on the driver boards if you apply remote for a couple of seconds then remove it?
D DerSamoaner Member Joined 2020 2020-10-09 7:47 am #5 2020-10-09 7:47 am #5 JL Audio 300/4 BIAS This could be helpful. ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 8:02 am #6 2020-10-22 8:02 am #6 All of the leds light up on the audio driver board . I resoldered all of the connections on it and still have an issue . The outputs get to hot to touch within 3 secs of powering up . Any common problems besides the solder connections on the audio board. ? ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-22 8:34 am #7 2020-10-22 8:34 am #7 Do the outputs get hot with the bias set fully CCW? Last edited: 2020-10-22 8:53 am ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 8:52 am #8 2020-10-22 8:52 am #8 Yes ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-22 8:53 am #9 2020-10-22 8:53 am #9 All channels? ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 8:59 am #10 2020-10-22 8:59 am #10 Just 1 channel left front channel ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-22 9:01 am #11 2020-10-22 9:01 am #11 Is that the channel you repaired? Did you use exact replacement FETs? ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 9:10 am #12 2020-10-22 9:10 am #12 I used IRF540 just like all the other channels . This is the channel that has has issues since I received the amp . ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-22 9:16 am #13 2020-10-22 9:16 am #13 If you clamp the outputs to the heatsink, will the channel produce the same output (clip symmetrically at the rails) as the other channels? No load. ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 9:25 am #14 2020-10-22 9:25 am #14 I’m gonna have to remove the outputs out of all channels since now the low ohm led is lit and no channels will bias ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 9:30 am #15 2020-10-22 9:30 am #15 Something is still wrong with the driverboard or on the main board if I put that driverboard in the amp the low ohm light comes on ••• 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 JL Audio 300/4 Top Bottom
C caraudioguy2100 Member Joined 2010 2020-10-22 8:02 am #6 2020-10-22 8:02 am #6 All of the leds light up on the audio driver board . I resoldered all of the connections on it and still have an issue . The outputs get to hot to touch within 3 secs of powering up . Any common problems besides the solder connections on the audio board. ? ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-22 8:34 am #7 2020-10-22 8:34 am #7 Do the outputs get hot with the bias set fully CCW? Last edited: 2020-10-22 8:53 am ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 8:52 am #8 2020-10-22 8:52 am #8 Yes ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-22 8:53 am #9 2020-10-22 8:53 am #9 All channels? ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 8:59 am #10 2020-10-22 8:59 am #10 Just 1 channel left front channel ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-22 9:01 am #11 2020-10-22 9:01 am #11 Is that the channel you repaired? Did you use exact replacement FETs? ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 9:10 am #12 2020-10-22 9:10 am #12 I used IRF540 just like all the other channels . This is the channel that has has issues since I received the amp . ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-22 9:16 am #13 2020-10-22 9:16 am #13 If you clamp the outputs to the heatsink, will the channel produce the same output (clip symmetrically at the rails) as the other channels? No load. ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 9:25 am #14 2020-10-22 9:25 am #14 I’m gonna have to remove the outputs out of all channels since now the low ohm led is lit and no channels will bias ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 9:30 am #15 2020-10-22 9:30 am #15 Something is still wrong with the driverboard or on the main board if I put that driverboard in the amp the low ohm light comes on ••• 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 JL Audio 300/4 Top Bottom
All of the leds light up on the audio driver board . I resoldered all of the connections on it and still have an issue . The outputs get to hot to touch within 3 secs of powering up . Any common problems besides the solder connections on the audio board. ?
P Perry Babin Member Joined 2003 bcae1.com 2020-10-22 8:34 am #7 2020-10-22 8:34 am #7 Do the outputs get hot with the bias set fully CCW? Last edited: 2020-10-22 8:53 am ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 8:52 am #8 2020-10-22 8:52 am #8 Yes ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-22 8:53 am #9 2020-10-22 8:53 am #9 All channels? ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 8:59 am #10 2020-10-22 8:59 am #10 Just 1 channel left front channel ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-22 9:01 am #11 2020-10-22 9:01 am #11 Is that the channel you repaired? Did you use exact replacement FETs? ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 9:10 am #12 2020-10-22 9:10 am #12 I used IRF540 just like all the other channels . This is the channel that has has issues since I received the amp . ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-22 9:16 am #13 2020-10-22 9:16 am #13 If you clamp the outputs to the heatsink, will the channel produce the same output (clip symmetrically at the rails) as the other channels? No load. ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 9:25 am #14 2020-10-22 9:25 am #14 I’m gonna have to remove the outputs out of all channels since now the low ohm led is lit and no channels will bias ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 9:30 am #15 2020-10-22 9:30 am #15 Something is still wrong with the driverboard or on the main board if I put that driverboard in the amp the low ohm light comes on ••• 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 JL Audio 300/4 Top Bottom
C caraudioguy2100 Member Joined 2010 2020-10-22 8:52 am #8 2020-10-22 8:52 am #8 Yes ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-22 8:53 am #9 2020-10-22 8:53 am #9 All channels? ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 8:59 am #10 2020-10-22 8:59 am #10 Just 1 channel left front channel ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-22 9:01 am #11 2020-10-22 9:01 am #11 Is that the channel you repaired? Did you use exact replacement FETs? ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 9:10 am #12 2020-10-22 9:10 am #12 I used IRF540 just like all the other channels . This is the channel that has has issues since I received the amp . ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-22 9:16 am #13 2020-10-22 9:16 am #13 If you clamp the outputs to the heatsink, will the channel produce the same output (clip symmetrically at the rails) as the other channels? No load. ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 9:25 am #14 2020-10-22 9:25 am #14 I’m gonna have to remove the outputs out of all channels since now the low ohm led is lit and no channels will bias ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 9:30 am #15 2020-10-22 9:30 am #15 Something is still wrong with the driverboard or on the main board if I put that driverboard in the amp the low ohm light comes on ••• 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 JL Audio 300/4
P Perry Babin Member Joined 2003 bcae1.com 2020-10-22 8:53 am #9 2020-10-22 8:53 am #9 All channels? ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 8:59 am #10 2020-10-22 8:59 am #10 Just 1 channel left front channel ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-22 9:01 am #11 2020-10-22 9:01 am #11 Is that the channel you repaired? Did you use exact replacement FETs? ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 9:10 am #12 2020-10-22 9:10 am #12 I used IRF540 just like all the other channels . This is the channel that has has issues since I received the amp . ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-22 9:16 am #13 2020-10-22 9:16 am #13 If you clamp the outputs to the heatsink, will the channel produce the same output (clip symmetrically at the rails) as the other channels? No load. ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 9:25 am #14 2020-10-22 9:25 am #14 I’m gonna have to remove the outputs out of all channels since now the low ohm led is lit and no channels will bias ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 9:30 am #15 2020-10-22 9:30 am #15 Something is still wrong with the driverboard or on the main board if I put that driverboard in the amp the low ohm light comes on ••• 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 JL Audio 300/4
C caraudioguy2100 Member Joined 2010 2020-10-22 8:59 am #10 2020-10-22 8:59 am #10 Just 1 channel left front channel ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-22 9:01 am #11 2020-10-22 9:01 am #11 Is that the channel you repaired? Did you use exact replacement FETs? ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 9:10 am #12 2020-10-22 9:10 am #12 I used IRF540 just like all the other channels . This is the channel that has has issues since I received the amp . ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-22 9:16 am #13 2020-10-22 9:16 am #13 If you clamp the outputs to the heatsink, will the channel produce the same output (clip symmetrically at the rails) as the other channels? No load. ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 9:25 am #14 2020-10-22 9:25 am #14 I’m gonna have to remove the outputs out of all channels since now the low ohm led is lit and no channels will bias ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 9:30 am #15 2020-10-22 9:30 am #15 Something is still wrong with the driverboard or on the main board if I put that driverboard in the amp the low ohm light comes on ••• 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 2020-10-22 9:01 am #11 2020-10-22 9:01 am #11 Is that the channel you repaired? Did you use exact replacement FETs? ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 9:10 am #12 2020-10-22 9:10 am #12 I used IRF540 just like all the other channels . This is the channel that has has issues since I received the amp . ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-22 9:16 am #13 2020-10-22 9:16 am #13 If you clamp the outputs to the heatsink, will the channel produce the same output (clip symmetrically at the rails) as the other channels? No load. ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 9:25 am #14 2020-10-22 9:25 am #14 I’m gonna have to remove the outputs out of all channels since now the low ohm led is lit and no channels will bias ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 9:30 am #15 2020-10-22 9:30 am #15 Something is still wrong with the driverboard or on the main board if I put that driverboard in the amp the low ohm light comes on ••• 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
C caraudioguy2100 Member Joined 2010 2020-10-22 9:10 am #12 2020-10-22 9:10 am #12 I used IRF540 just like all the other channels . This is the channel that has has issues since I received the amp . ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2020-10-22 9:16 am #13 2020-10-22 9:16 am #13 If you clamp the outputs to the heatsink, will the channel produce the same output (clip symmetrically at the rails) as the other channels? No load. ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 9:25 am #14 2020-10-22 9:25 am #14 I’m gonna have to remove the outputs out of all channels since now the low ohm led is lit and no channels will bias ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 9:30 am #15 2020-10-22 9:30 am #15 Something is still wrong with the driverboard or on the main board if I put that driverboard in the amp the low ohm light comes on ••• 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
I used IRF540 just like all the other channels . This is the channel that has has issues since I received the amp .
P Perry Babin Member Joined 2003 bcae1.com 2020-10-22 9:16 am #13 2020-10-22 9:16 am #13 If you clamp the outputs to the heatsink, will the channel produce the same output (clip symmetrically at the rails) as the other channels? No load. ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 9:25 am #14 2020-10-22 9:25 am #14 I’m gonna have to remove the outputs out of all channels since now the low ohm led is lit and no channels will bias ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 9:30 am #15 2020-10-22 9:30 am #15 Something is still wrong with the driverboard or on the main board if I put that driverboard in the amp the low ohm light comes on ••• 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
If you clamp the outputs to the heatsink, will the channel produce the same output (clip symmetrically at the rails) as the other channels? No load.
C caraudioguy2100 Member Joined 2010 2020-10-22 9:25 am #14 2020-10-22 9:25 am #14 I’m gonna have to remove the outputs out of all channels since now the low ohm led is lit and no channels will bias ••• More options Share C caraudioguy2100 Member Joined 2010 2020-10-22 9:30 am #15 2020-10-22 9:30 am #15 Something is still wrong with the driverboard or on the main board if I put that driverboard in the amp the low ohm light comes on ••• 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.
I’m gonna have to remove the outputs out of all channels since now the low ohm led is lit and no channels will bias
C caraudioguy2100 Member Joined 2010 2020-10-22 9:30 am #15 2020-10-22 9:30 am #15 Something is still wrong with the driverboard or on the main board if I put that driverboard in the amp the low ohm light comes on ••• More options Share
Something is still wrong with the driverboard or on the main board if I put that driverboard in the amp the low ohm light comes on