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Alpine pdx-1.1000
Alpine pdx-1.1000
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Old 8th July 2018, 04:45 PM   #11
Perry Babin is offline Perry Babin  United States
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Sorry for the multiple posts. The RCA board has to be plugged in for the amp to power up.
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Old 8th July 2018, 04:52 PM   #12
rhempz01 is offline rhempz01  United States
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All good 11.10hms.
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Old 8th July 2018, 04:55 PM   #13
Perry Babin is offline Perry Babin  United States
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Are the 6.8 ohm groups OK? R404 and R414 groups.
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Old 8th July 2018, 05:07 PM   #14
rhempz01 is offline rhempz01  United States
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That's ok, I thought that as well. So even with plugged in and one 10amp fuse nothing. The 6R8; are all within tolerence as well. If I probe the positive and negitive post terminal I get open to short over and over.
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Old 8th July 2018, 05:22 PM   #15
Perry Babin is offline Perry Babin  United States
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Did all 4 outputs in one channel short? You generally see only 2 fail.

Do you have a replacement driver IC?
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Old 8th July 2018, 05:25 PM   #16
rhempz01 is offline rhempz01  United States
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Only two. No I do not I put the order in yesterday. And I need a part number for the diode SI20
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Old 8th July 2018, 05:28 PM   #17
Perry Babin is offline Perry Babin  United States
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email me
babin_perry@yahoo.com
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Old 8th July 2018, 05:55 PM   #18
rhempz01 is offline rhempz01  United States
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So the ribbon cable was damaged that's why it wouldn't power up at all. So I'm going to get some parts ordered for this. Thanks perry.
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Old 17th July 2018, 09:23 PM   #19
rhempz01 is offline rhempz01  United States
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Ok so perry I installed the new driver ic and four new irfb4227 in the bank. Installed the new diode. The same happens the, on then off.
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Old 18th July 2018, 02:31 PM   #20
Perry Babin is offline Perry Babin  United States
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Do you see rail-rail oscillation on all of the outputs (even intermittently)?
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