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2sd370

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    SX-737 power amp AWH-033 issue, blown transistors

    I need some help on the power amp on my SX-737 after an unsuccessful renewal attempt. What was done before! I changed caps and transistors on the power supply, protection circuit, equalizer assembly and as last one the power amp. All DC voltages have been good at the power supply and were even...
    • pa_200
    • Thread
    • 2sb530 2sd370 awm-025 protection sx-737 • awh-033
    • Replies: 148
    • Forum: Pioneer Audio
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