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audison lrx 1.2k
audison lrx 1.2k
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Old 21st July 2021, 05:54 PM   #1
ultra is offline ultra
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Default audison lrx 1.2k

During installation a small piece of wire fell into the amp (the rca side). After that all 4 leds light, and consumption is 250mA at 12V.
A local technician tried to repair it and replaced R30 with a 2K2.
Then they send it to my shop.
I removed the transistor switch of the power supply driver board, injected 12V, and managed to turn on the power supply. The audio section has no rail to rail oscillation, probably muted.
Any help is highly appreciated as the amp seems quite complex.
I dont think the class D audio section is faulty, i believe its the turn circuitry.
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