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Harman Kardon HK-380i left channel is out

A

anikarma

New Member
Hi guys,
My Harman Kardon HK-380i left channel is out. I checked the voltages at key points in the power amp and found all voltages are negative except for the output transistors on the left channel. Right channel sounds fine. Measured voltages are shown in the following figure. Any help is appreciated.
 

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