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Author Topic: psp 1000 lm386 mod  (Read 1713 times)

Offline mario_99

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psp 1000 lm386 mod
« on: May 16, 2011, 11:20:38 AM »
i recently made this mod with 8 0603 blue leds but my leds don't react to the sound that much anybody know whats wrong thanks.https://www.acidmods.com/forum/index.php/topic,28600.0.html
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Offline mario_99

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Re: psp 1000 lm386 mod
« Reply #1 on: May 18, 2011, 10:17:12 PM »
any help anybody out there
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Offline nEoVaLoR

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Re: psp 1000 lm386 mod
« Reply #2 on: May 18, 2011, 10:27:09 PM »
Take resistance off the output voltage... the voltage is too low for the leds you are using
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Offline mario_99

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Re: psp 1000 lm386 mod
« Reply #3 on: May 18, 2011, 10:29:08 PM »
you mean use smaller resistors ?
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Offline nEoVaLoR

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Re: psp 1000 lm386 mod
« Reply #4 on: May 18, 2011, 10:38:47 PM »
If you're using a 100ohm resistor use a 50 ohm, or 120k ohm 100k, idk it just depends. I'm pretty sure for this mod you are left with a positive rated at 5v. You add resistance to step that down for your leds. So If you added resistance, you're using too much which is limiting reactivity.
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Offline mario_99

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Re: psp 1000 lm386 mod
« Reply #5 on: May 19, 2011, 11:02:47 AM »
i used what it said on the tut a 191k ohm and a 30k ohm resistor
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Offline nEoVaLoR

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Re: psp 1000 lm386 mod
« Reply #6 on: May 19, 2011, 01:48:20 PM »
never mind...
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Offline mario_99

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Re: psp 1000 lm386 mod
« Reply #7 on: May 19, 2011, 01:59:25 PM »
never mind what ?
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