User Profile

svipmt replied to Harman/Kardon Onyx Bluetooth Speaker - No Power

in Troubleshooting Audio Equipment

11-04-2017, 08:47 AM
Re: Harman/Kardon Onyx Bluetooth Speaker - No Power

Finally . I modding power charging battery by LM7805 and everything is OK . But charging battery near 8 hours when battery is very low,can't to start system :P . I'm no care because I alway using power apdater,sometime i go out to use on battery . Thank a lot ...

See more | Go to post

Last edited by svipmt; 11-04-2017, 08:56 AM.
Leave a comment:
svipmt replied to Harman/Kardon Onyx Bluetooth Speaker - No Power

in Troubleshooting Audio Equipment

11-01-2017, 03:17 AM
Re: Harman/Kardon Onyx Bluetooth Speaker - No Power

I no find replace U701 IC . You can help me new solution ? . I plan to mod a extend power stepdown module for charging battery

See more | Go to post
Leave a comment:
svipmt replied to Harman/Kardon Onyx Bluetooth Speaker - No Power

in Troubleshooting Audio Equipment

10-30-2017, 07:30 PM
Re: Harman/Kardon Onyx Bluetooth Speaker - No Power

I removed C306 and turned on ok but not charging battery . I connect apdator and remove battery and check Vbat pin is 0V

See more | Go to post
Leave a comment:
svipmt replied to Harman/Kardon Onyx Bluetooth Speaker - No Power

in Troubleshooting Audio Equipment

10-29-2017, 11:13 PM
Re: Harman/Kardon Onyx Bluetooth Speaker - No Power

I'm bad english . I have onyx studio no power . I checked board see D300 explosive and U700 short circuit . I have replace new D300,U700 and still not work ? Anybody help me fix this ? thank

See more | Go to post
Leave a comment:

No activity results to display

Announcement

Profile Sidebar

Leave a comment:

Leave a comment:

Leave a comment:

Leave a comment: