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Author Topic: car stereo amplifier  (Read 10900 times)

Offline lightelectro

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car stereo amplifier
« on: August 19, 2008, 08:48:29 PM »
mga sir. gusto ko sanang gumawa nang low cost car stereo amplifier. meron ba kayong magandang circuit? ok ba na bumili ako nang low cost radio then convert ko para gawin car stereo? sana ok yung nakaka basa nang mp3 galing sa flash drive or sd. 8)
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car stereo amplifier
« on: August 19, 2008, 08:48:29 PM »

Offline j a y k e z

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Re: car stereo amplifier
« Reply #1 on: August 20, 2008, 09:24:10 AM »
visit this link papa
dami jan kaso konti instruction T__T
http://www.elecfree.com/circuit/car-power-amp/car-power-amp_Circuit-01.php

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Re: car stereo amplifier
« Reply #1 on: August 20, 2008, 09:24:10 AM »

Offline lightelectro

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Re: car stereo amplifier
« Reply #2 on: August 26, 2008, 10:11:40 AM »
ok ba yung stereo amp na tda2004 sa link above? sino na nakagawa nito?
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Re: car stereo amplifier
« Reply #2 on: August 26, 2008, 10:11:40 AM »

Offline lightelectro

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Re: car stereo amplifier
« Reply #3 on: August 26, 2008, 12:33:34 PM »
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Re: car stereo amplifier
« Reply #3 on: August 26, 2008, 12:33:34 PM »

Offline danny

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Re: car stereo amplifier
« Reply #4 on: August 26, 2008, 12:38:55 PM »
ok ba ito na amp? may nakagawa na nito? http://www.elecfree.com/circuit/car-power-amp/tda2004-amplifier-car-audio-stereo-otl-10w10w/

mukhang wala pang nakapag try niyan :)
pero sa tingin ok naman yan
follow mo na lang yung schematic
danny

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Re: car stereo amplifier
« Reply #4 on: August 26, 2008, 12:38:55 PM »

Offline lightelectro

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Re: car stereo amplifier
« Reply #5 on: August 26, 2008, 12:40:37 PM »
thanks, try ko.
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Offline danny

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Re: car stereo amplifier
« Reply #6 on: August 26, 2008, 12:48:15 PM »
thanks, try ko.

you can post your questions here just in case na nag ka problema
ka during assembly process. Maybe I can help. :) :)
danny

Offline lightelectro

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Re: car stereo amplifier
« Reply #7 on: August 30, 2008, 10:14:49 PM »
hello, na testing ko na po ang amp above using tda2004. sa breadboard pa lang. pero noisy sya. hindi pa naman battery nang car ang ginamit ko. yung adaptor na 13.6V, 500mA. ang ginamit ko na mga electrolytic ay 16V. kasi walang stocks nang 3 at 10 volts na caps. bakit kaya noisy. 8)
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Offline danny

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Re: car stereo amplifier
« Reply #8 on: August 31, 2008, 04:03:45 AM »
hello, na testing ko na po ang amp above using tda2004. sa breadboard pa lang. pero noisy sya. hindi pa naman battery nang car ang ginamit ko. yung adaptor na 13.6V, 500mA. ang ginamit ko na mga electrolytic ay 16V. kasi walang stocks nang 3 at 10 volts na caps. bakit kaya noisy. 8)

una yung power supply mo dapat magandang qualit,
2nd naka breadboard ka lang nde pa fix yugn mga layouts mo
puro mga naka draft ka lang kung baga.
pwede ka naman gumawa ng prototype. try to put it on pcb
meron ka bang working layout niyan.
anyway, madali lang yan once ma finalize mo design mo.
danny

Offline j a y k e z

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Re: car stereo amplifier
« Reply #9 on: August 31, 2008, 08:15:43 AM »
hello, na testing ko na po ang amp above using tda2004. sa breadboard pa lang. pero noisy sya. hindi pa naman battery nang car ang ginamit ko. yung adaptor na 13.6V, 500mA. ang ginamit ko na mga electrolytic ay 16V. kasi walang stocks nang 3 at 10 volts na caps. bakit kaya noisy. 8)

I think it is in the power supply and possibly a filter capacitor that has therefore no longer filtering.

Offline 0b00000111

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Re: car stereo amplifier
« Reply #10 on: August 31, 2008, 08:20:55 AM »
filtering nung supply or ground loop problems.
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Offline lightelectro

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Re: car stereo amplifier
« Reply #11 on: September 01, 2008, 09:21:32 PM »
na lagay ko na sa pcb ang amp. lalagyan ko pa nang heatsink ang tda2004. ginamitan ko nang 9.6V Drill battery. noisy parin. hindi pa naman fixed. try ko bukas sa car battery 12V. umuugong sya pero nawawala pag nilapit ko ang kamay ko. 8)
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Offline danny

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Re: car stereo amplifier
« Reply #12 on: September 02, 2008, 01:21:24 AM »
wiring pa din yan problem mo. Grounding loop like what sis 7string said hehehe. ;D ;D ;D
pwede ka din gumamit ng regulated power supply, also try mo din sa battery.
paano ba naka hookup? pwede ka ba gawa ng block diagram and post it here.
para madali ma analyze ng mga master iyang project mo.
thanks :)
danny

Offline mArKhAo

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Re: car stereo amplifier
« Reply #13 on: September 02, 2008, 01:26:14 AM »
dapat tlga maganda ang battery... hehe, ung battery namin, kaunti lng ang karga lage.. kya madaling ma discharge... :(

hnd ko man lng maaus... hehehe
cut my heart out, for a souvenir....

Offline ferdie444

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Re: car stereo amplifier
« Reply #14 on: September 02, 2008, 01:27:14 AM »
na lagay ko na sa pcb ang amp. lalagyan ko pa nang heatsink ang tda2004. ginamitan ko nang 9.6V Drill battery. noisy parin. hindi pa naman fixed. try ko bukas sa car battery 12V. umuugong sya pero nawawala pag nilapit ko ang kamay ko. 8)

bro,pls check the ground connection based on the diagram.maybe you need to use some shielded cables specially doon sa audio input section(vol.treble,bass and balance controls).last pls check the load current and use filtered/regulated power supply if possible.thanks and goodluck.

Offline danny

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Re: car stereo amplifier
« Reply #15 on: September 02, 2008, 01:28:52 AM »
dapat tlga maganda ang battery... hehe, ung battery namin, kaunti lng ang karga lage.. kya madaling ma discharge... :(

hnd ko man lng maaus... hehehe

fully charge mo na hehehe
:) :)  para tumagal
danny

Offline mArKhAo

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Re: car stereo amplifier
« Reply #16 on: September 02, 2008, 01:31:31 AM »
hehe.. bridge + 4 capaitors lng po ung nsa charger nya e... hehe, ok na ba po un?
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Offline danny

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Re: car stereo amplifier
« Reply #17 on: September 02, 2008, 01:32:52 AM »
ano bang klase charger mo?
binili mo ba iyan or DIY mo?
merong post c sir electron na battery charger
dito sa forum, na try mo na ba yun?
danny

Offline mArKhAo

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Re: car stereo amplifier
« Reply #18 on: September 02, 2008, 01:35:12 AM »
2sm lng po.. pang motor... :D ung sa ac ng diodes, sa dynamo nakakabit :D
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Offline danny

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Re: car stereo amplifier
« Reply #19 on: September 02, 2008, 01:43:46 AM »
so bale ikaw na ba nagkabit ng mga diode na un?
matanong ko lang, may charging system ba ang motor cycle?
danny

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Re: car stereo amplifier
« Reply #19 on: September 02, 2008, 01:43:46 AM »

 

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