Orion HS 2.50 Help Please - diyAudio
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Old 19th June 2012, 12:15 AM   #1
pyredex is offline pyredex  United States
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Default Orion HS 2.50 Help Please

I acquired this amp cheap and got home to try it out, what I found was one side sounded distorted while the other sounded fine.

What I did next was opened it up and found 4 resistors burned. In my haste to fix it by myself I replaced the resistors. The amp now draws a high amount of current when remote is powered. (enough to light a 12v headlight when placed in series with B+) So I replaced the L7815cv, 2x 2N6488 & 2N6491 and the FEP16CT just because my simple troubleshooting showed that the "bad" side didnt match the good one when testing.

Now I have an amp that would no doubt keep blowing fuses. I am unsure what to check next.

Perry, I did order your guide. It is downloading as I type this.

Thanks for any support/suggestions.
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Old 28th June 2012, 01:43 AM   #2
ppia600 is offline ppia600  United States
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I've had a few of the hott set up versions and liked the board layout. One had a similar problem and it was caused by a bad driver. Very simple design, a couple of the ones that drove the outputs went bad. Check all of the outputs to see if any are shorted, then check their drivers. The power supply side should be ok if you were getting clean audio out of one channel.
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Old 28th June 2012, 03:01 AM   #3
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Email me with the address where you ordered the tutorial. I don't see any notifications.
babin_perry@yahoo.com

A driver is likely the problem (as was previously stated).
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Old 28th June 2012, 03:27 AM   #4
pyredex is offline pyredex  United States
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ppia600

Thanks for your reply, I will be looking into those drivers. Thanks for your reply. I will post with an update when I have results.

Perry.. Email sent.
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