orion 225r

rw2010 · 5th October 2010, 03:18 AM

i have a orion 225r wont power up when i hook B+ and Negative i have 14.5 volts but when hook up remote wire it drops in half any ideas would be helpful

Thanks

glasswolf · 5th October 2010, 12:39 PM

finals in the amp are probably blown. Orion never used to use internal fusing on their amplifiers unless it was the 2250SX or 2100HCCA. The smaller ones relied on external line fuses which you had to supply. If the speaker leads touched, there was nothing to prevent the finals from getting fried as I found out with a 280GX once on an install. No internal thermal protection at all.

rw2010 · 5th October 2010, 10:18 PM

i guess i dont know where the finals are located just started repairing stuff

Thanks

glasswolf · 6th October 2010, 05:08 AM

the MOSFETs attached to the rails along the heat sink.
you're in the wrong section for this.

rw2010 · 6th October 2010, 05:16 AM

thanks i replaced all 10 of those

Thanks

5th October 2010, 03:18 AM	#1
rw2010 diyAudio Member Join Date: Sep 2010	orion 225r i have a orion 225r wont power up when i hook B+ and Negative i have 14.5 volts but when hook up remote wire it drops in half any ideas would be helpful Thanks

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5th October 2010, 12:39 PM	#2
glasswolf diyAudio Member Join Date: Sep 2010 Location: South Carolina	finals in the amp are probably blown. Orion never used to use internal fusing on their amplifiers unless it was the 2250SX or 2100HCCA. The smaller ones relied on external line fuses which you had to supply. If the speaker leads touched, there was nothing to prevent the finals from getting fried as I found out with a 280GX once on an install. No internal thermal protection at all.

5th October 2010, 10:18 PM	#3
rw2010 diyAudio Member Join Date: Sep 2010	i guess i dont know where the finals are located just started repairing stuff Thanks

6th October 2010, 05:08 AM	#4
glasswolf diyAudio Member Join Date: Sep 2010 Location: South Carolina	the MOSFETs attached to the rails along the heat sink. you're in the wrong section for this.

6th October 2010, 05:16 AM	#5
rw2010 diyAudio Member Join Date: Sep 2010	thanks i replaced all 10 of those Thanks

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