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mondu1fv
PostPosted: Thu Jan 25, 2018 4:49 am    Post subject: bad part in main board

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
Guest
PostPosted: Sat Dec 16, 2017 5:06 am    Post subject:

That's an interesting informative article.













sbobet
kfc55
PostPosted: Thu Dec 14, 2017 4:47 am    Post subject:

Hi, I have the same problem with this.












ทางเข้า sbo
jtbeck
PostPosted: Tue Dec 05, 2017 7:57 pm    Post subject: pioneer x-hm20

Anonymous wrote:
Hi. Just found out that it is not actually the power supply that is faulty. Swapped it for another one from a working stereo and still it does the same. Tha fault is somewhere on the main PCB. Will look into it further.


did you fix this? mine is doing the same
Montales
PostPosted: Mon Jul 03, 2017 8:25 pm    Post subject: Greetings

Nice community, I'm so much excited...
Thanks.
Sokk221
PostPosted: Wed Mar 15, 2017 2:06 pm    Post subject:

Para tener un
holiday palace
novvac
PostPosted: Mon Mar 06, 2017 10:20 am    Post subject:

Hello I have the same problem with this.

Is there solition for this ?

THX
Vaclav
Guest
PostPosted: Fri Mar 22, 2013 9:10 am    Post subject: It's working

Just for info, remove the battery inside remote control unit and start X-HM20
by using the touch in front of device and not with remote control unit.
Guest
PostPosted: Sun Feb 24, 2013 4:28 pm    Post subject:

Hello do you find some thing new? Not in my side.
Regards
Luc
Guest
PostPosted: Sat Feb 09, 2013 2:48 pm    Post subject:

Hi. Just found out that it is not actually the power supply that is faulty. Swapped it for another one from a working stereo and still it does the same. Tha fault is somewhere on the main PCB. Will look into it further.

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