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Jvc rx-r75 circuit board - JVC Audio Players & Recorders

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Posted on Jan 02, 2017

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SOURCE: JVC RX-6042S shuts down after 5 seconds

It will be one of the transistors that regulate the lower volatges (5V, 12V...)
I ffixed mine. the heatsinking on those transistors is pathetic, and its no wonder they dont last.
Mine was the 5V circuit, which also supplies the DSP board. so if you are getting a DSP NG, that could be that as well.
Check Q1434 and Q1404. if one is faulty, it drags the other one down with it.
Good luck.

Posted on Oct 29, 2011

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It will be one of the transistors that regulate the lower volatges (5V, 12V...)
I ffixed mine. the heatsinking on those transistors is pathetic, and its no wonder they dont last.
Mine was the 5V circuit, which also supplies the DSP board. so if you are getting a DSP NG, that could be that as well.
Check Q1434 and Q1404. if one is faulty, it drags the other one down with it.
Good luck.

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