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pioneer hi-fi problem, please help!
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omar2002



Joined: 01 Dec 2017
Posts: 10

PostPosted: Thu Dec 14, 2017 8:16 am    Post subject: Reply with quote

Hello do you find some thing new?


sbobet
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PostPosted: Sat Dec 16, 2017 5:06 am    Post subject: Reply with quote

That's an interesting informative article.













sbobet
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TONLOVE69



Joined: 01 Dec 2017
Posts: 7

PostPosted: Fri Jan 05, 2018 9:19 am    Post subject: Reply with quote

Hi, I have the same problem with this.


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ทางเข้า sbobet
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fangda



Joined: 25 Dec 2017
Posts: 4

PostPosted: Mon Jan 08, 2018 4:08 am    Post subject: Reply with quote

This may be what you need Embarassed
http://aooplay.com/
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mondu1fv
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PostPosted: Thu Jan 25, 2018 4:49 am    Post subject: bad part in main board Reply with quote

I just replace a bad output cap on the Ipod power supply located on the main board, not on the power supply board. It is a switching regulator and I found a bad looking output on this suppy using my old but trusty scope. The wafevorm looks as if the filter cap is not connected. I replaced the old cap (probably dried out) and the output became clean. this voltage along with other important supply voltages, is monitored by the CPU and anything other than DC will trigger a fault condition and the the whole thing shuts down and the red standby LED blinks. I just bought my XHM30 from a surplus shop and found the fault when I tested it at home. It has the same schematic as the X-HM20 but uses a slightly higher power IC, the STA350BW -Mon DU1FV
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