JBL BAR 5.1 subwoofer power supply Includes Service Manual

tomx2000
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Posts: 7

JBL BAR 5.1 subwoofer power supply Includes Service Manual Oct 19, 2022 22:32:01 GMT -5

Quote

Post by tomx2000 on Oct 19, 2022 22:32:01 GMT -5

Hi,

I have JBL BAR 5.1 subwoofer power supply problem. The standby power circuit smps controller ic is burn, and i can't identify the part number. IC is 7 pin, soic-7 package.
Pin1--Vcc
Pin4--GND
Pin5,6--FET output to transformer

partnumber partially readable(maybe first line) GR9 and next character 2 or3
second line: LH5

Schematic not found for this PSU
Power supply: LCP112730-0201

Someone have idea what type this smps controller?

Last Edit: Dec 1, 2022 18:27:45 GMT -5 by Admin

mastertech Global Moderator Posts: 3,538	JBL BAR 5.1 subwoofer power supply Includes Service Manual Oct 20, 2022 16:45:45 GMT -5 Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by mastertech on Oct 20, 2022 16:45:45 GMT -5 Did you hunt around inside the unit to see if the piece that was blown off is laying in there somewhere and maybe has the rest of the numbers on it?
	MT

cobba1231 New Member Posts: 12	JBL BAR 5.1 subwoofer power supply Includes Service Manual Dec 1, 2022 10:14:50 GMT -5 Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by cobba1231 on Dec 1, 2022 10:14:50 GMT -5 GR9230RLKAG Сервис мануал --- disk.yandex.ru/i/bK2Bbsya_z-byg i.postimg.cc/pyPvp2FB/11 .png[/img][/url] [/font][/font]
	Last Edit: Dec 1, 2022 10:20:15 GMT -5 by cobba1231

cobba1231 New Member Posts: 12	JBL BAR 5.1 subwoofer power supply Includes Service Manual Dec 1, 2022 10:20:54 GMT -5 Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by cobba1231 on Dec 1, 2022 10:20:54 GMT -5

Admin Administrator Please Tell All About This Site. Posts: 334	JBL BAR 5.1 subwoofer power supply Includes Service Manual Dec 1, 2022 18:24:52 GMT -5 Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by Admin on Dec 1, 2022 18:24:52 GMT -5 Thanks for the information. Here is a direct link to the service manual. Thanks. JBL BAR 5.1
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tomx2000 New Member Posts: 7	JBL BAR 5.1 subwoofer power supply Includes Service Manual Dec 5, 2022 12:13:22 GMT -5 via mobile cobba1231 likes this Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by tomx2000 on Dec 5, 2022 12:13:22 GMT -5 Thanks for the info! Successful repaired the power supply

albertto: Hi everyone. This is my first post here, so greetings to everyone. I hope to help and get helped in my diy prjects or other stuff. Thank you in advice!! Nov 2, 2024 12:45:30 GMT -5 *

zerolearner: Hi team members I'm new to the forum. I have denon X2000 firm issue I replaced the new ADSP IC but upload the firmware via USB port I got a error message connection failed 5A. FLAG0 present 0.84V is there any JTAG programmer for update the firmware. Sept 30, 2024 22:36:28 GMT -5

redpill: Would you able to provide more details in regards to your fix. Did you replace faulty unit or fixed yourself? I'm having similar problem and wonder how to approach it. Thanks. Lucas. Sept 8, 2024 1:10:29 GMT -5

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JBL BAR 5.1 subwoofer power supply Includes Service Manual

Post by tomx2000 on Oct 19, 2022 22:32:01 GMT -5

Post by mastertech on Oct 20, 2022 16:45:45 GMT -5

Post by cobba1231 on Dec 1, 2022 10:14:50 GMT -5

Post by cobba1231 on Dec 1, 2022 10:20:54 GMT -5

Post by Admin on Dec 1, 2022 18:24:52 GMT -5

Post by tomx2000 on Dec 5, 2022 12:13:22 GMT -5

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