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TEAC AG-V3020 power on problem

Hello, my amplifier Teac AG-V3020 has power problem, most of the time I’m not able to power it on, even if sometimes it goes ON. Any idea about the reason?

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zsugori
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Kari
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Clay
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Yes, but is not easy to detect which elements are involved switching from stand-by status to power-on status

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Clay
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Problem solved. Transistor Q901 in front PCB (so hard to reach) was defective, its HFE value was one third of nominal.
Now everything is working good.

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