Скачать или смотреть Harman/Kardon HK6300 No Sound On Both Outputs FIX REPAIR (valid also HK6100 HK6200 HK6350R see note)

Note:: I don't have the HK6100 or HK6200 or HK6350 but they have the same awful system and MAY have the same problem after all those years, but you have to find the correct schematic because the voltages you are supposed to find are different and also i don't know where those transistors and components are and if they are labeled with the same numbers... try on "elektrotanya", a nice website with a lot of service manuals (type like:: "elektrotanya HK6100" on google... no sponsoring LOL)

Anyways i found another defect in my amplifier, it seems that the right channel behaves like the bass and treble knobs are all turned counterclockwise and have no effect turning em, the left channel is ok and the knobs have effect... it's surely another electrolytic capacitor leaking or shorted, it seems that these amplifiers suffer of those capacitors failing, i'm not the only one reporting this, if i find the patience to fix it i'll report the outcome in this description (todo)