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Chip Amps Amplifiers based on integrated circuits

50W - what is the best configure for CAPs ??
50W - what is the best configure for CAPs ??
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Old 5th April 2004, 02:46 PM   #11
GregGC is offline GregGC  Canada
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Originally posted by Cro maniac
I have made power supply for my TDA7293 amp with 3x4700uF + 3x4700uF. And another 1000uF +1000uF near the chip. Is it too much ? When I turned it on the first time the master chip exploded. The PCB has no errors on it. Is it maybe because supply capacitors are too big ?

Check the polarity of the PS wires. You most likly connected them incorrectly.

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Old 5th April 2004, 08:35 PM   #12
Cro maniac is offline Cro maniac  Croatia
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50W - what is the best configure for CAPs ??
No, the polarity is correct. I checked everything more than 10 times and still can't find no errors . I didn't think 7293's are so tricky to build.
Maybe speaker shouldn't be connected to the output when I turn it on for the first time
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