Have an inphase 4000d that went into protect when strapping, no blown fets and driver board still all good
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If there is a Q1 (a1266 could be Q226) that drives into R18 (4.7 ohm could be R269), remove the transistors. Does that allow the amp to power up?
If there is a Q1 (a1266 could be Q226) that drives into R18 (4.7 ohm could be R269), remove the transistors. Does that allow the amp to power up?
found it, had a different part number, its an A733 shorting, removed it and the amp turns on thanks perry
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