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Rockford T2500 - 1BD
Rockford T2500 - 1BD
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Old 16th September 2019, 07:01 PM   #1
Albis2985 is offline Albis2985  Panama
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Default Rockford T2500 - 1BD

I have this amplifier in the workbench, the flashing protection LED flashes and that intermittent sound is heard in the horn without inserting the RCA, when the signal is connected the amplifier sounds however I want to determine where the damage comes from if someone has been found An equal problem I read your comments about it.


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Old 23rd September 2019, 10:31 PM   #2
Albis2985 is offline Albis2985  Panama
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Does anyone have the schematic for this amplifier or tell me how I can get it.

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Old 23rd September 2019, 10:33 PM   #3
Perry Babin is offline Perry Babin  United States
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You can check with Rockford but since the design is still in use, they probably won't release it.
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Old 23rd September 2019, 10:50 PM   #4
Albis2985 is offline Albis2985  Panama
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Ok, thanks Perry.

Get me out of a doubt the amplifier turns on but the yellow LED flashes intermittently without connecting rca. I removed the exits and stopped doing it and there are some mosfet from the source that heats up, the flickering is because of the heating?
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Old 23rd September 2019, 11:14 PM   #5
Perry Babin is offline Perry Babin  United States
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The flickering is not due to heating. The problem could be due to several faults.

The first thing you do on any repair is to check the power supply voltages. Are ALL power supply voltages present and within tolerance?
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Old 23rd September 2019, 11:46 PM   #6
Albis2985 is offline Albis2985  Panama
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I understand this is the first amplifier of the rockford brand that I see I have only tested the voltage in the rectifiers the wave in the mosfet of the source and stopped by the heating. I proceed with the verifications and I tell you.
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Old 25th September 2019, 01:19 AM   #7
Crazylogix is offline Crazylogix  United States
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If you do a search in this forum for the T1500-1BD and the T1000-1BD there are several great posts with lots of info for troubleshooting this amp family. Once you read through them and used the info, you should be able to narrow down your problem a lot.
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Old 25th September 2019, 07:31 PM   #8
Albis2985 is offline Albis2985  Panama
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Thanks Crazylogix I have been reading the forums and I have found valuable information for now I am focused on correcting the heating of the mosfet from the source on one side and I have some references of voltages I checked the gate resistors the voltage in the gate of those that heat up It is 6.78 and those that do not heat up are 6.70. Now at night I check the drive semiconductors and the driver card of the mosfet. I keep reading.

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Old 25th September 2019, 09:10 PM   #9
Perry Babin is offline Perry Babin  United States
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What does the waveform look like on the two drive circuits?

Does the drive on both sides of the gate resistors look similar from one power supply to the other?
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Old 25th September 2019, 09:17 PM   #10
Albis2985 is offline Albis2985  Panama
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If Perry equals the wave before and after the resistance
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