Onkyo tx-sr577 just some questions

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  • reassor
    Senior Member
    • Apr 2021
    • 176
    • Poland

    #1

    Onkyo tx-sr577 just some questions

    So i have HK avr 230 as backup (very good condition didnt even look at its bias)

    But my main is TX-sr577 im using it as stereo amp.
    Wierd thin when i looked inside i saw 2 main transistors had cut middle legs and when you set it to 6+ ohms its gets hot like crazy

    For me its ok i need stereo with 4ohms (cantons) yet im curious.

    Some while ago it started going into protect - debug said V so over voltage.

    Q1: do you set bias in 4 or 6 ohm mode (i guess thats 2 transformer modes for this biach)

    Q2: it was shutting donw as overvolt when i was using spdif as source (DSP?)

    Q3: does any 1 love me?
  • petehall347
    Badcaps Legend
    • Jan 2015
    • 4426
    • United Kingdom

    #2
    Re: Onkyo tx-sr577 just some questions

    what do the instructions say ?

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