Cant find what smd code Y0DVA.
sitting in Harman kardon onyx studio 7. Appreciate any help.
sitting in Harman kardon onyx studio 7. Appreciate any help.
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A Harman/Kardon AVR 645 repair has been a hobby of mine for the past several years. My latest attempt involved the purchase of a DOA unit for part swapping and testing. The original AVR would power up then shut down after a few seconds. I completely tore down both units, found a couple of bad components and reassembled one of them. Same issue, no speakers connected. After extensive research I found a repair document from Harman/Kardon that explains the protection circuit in fantastic detail and provides specific test points for each fault (power, DC detection, overload & power) and the voltage...06-17-2024, 11:43 AM -
Hi
Long story short, Harman Kardon Aura Studio 2 speaker, no power.
Disassembled, found burned IC, maybe the 5V regulator? not sure
No schematics
IC marking: 225S2 (see pic)
Board ref: 40-KS320U-PSK2G
Thanks for any help!... -
Hi all ,
i am new on this forum and hope you can help me to solve my problem .
My harman kardon wirless stereo power on only with the power adapter , using the battery it not power on . i decide to replace original battery by three 18650 battery in serie . when i try to power on nothing happend . somebody know what is the problem of my stereo , i have 11.V on the battery connector , the three fuse near the battery connector are ok .
best regards -
I have this speaker that won't turn on.
The BC57E687C Bluetooth chip gets warm after about 1 minute with the wall charger connected.
I hope you can help me please.
I attached a very similar schematic.
Mi altavoz tiene micrófono incorporado y entrada auxiliar. El diagrama del altavoz en el esquema no....05-05-2022, 08:48 PM -
Would I be able to swap a 0.27 Ohm Kx2 5W resistor for a 0.22 Ohm Jx2 5W resistor in a Harman/Kardon AVR? Cement type.
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