Nawala ang echo ng Home karaoke

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Nawala ang echo ng Home karaoke

Post by dodongleo on Fri Oct 05, 2012 11:19 am

Ano kaya sira nitong karaoke sa bahay namin? Ito yong pangalan nya = Oclar Karaoke Audio Entertainment, Model= OA-J2800. Gawa yata ito ng Gillamacs. Ang kanyang digital echo IC ay M65844P (dalawang echo IC). Natingnan ko na ang Vcc ng ICs at meron itong 5 volts na supply. Meron itong Echo Level, Echo Repeat, at Echo Rating. Please help. TIA

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Re: Nawala ang echo ng Home karaoke

Post by ultrasonic™ on Fri Oct 05, 2012 3:52 pm


tumutunog ang microphone pero wlang echo?
my echo pot ba ang unit mu? paki check bka my putol
maaaring sira ang echo ic mismu. mas mainam
check muna rin lhat ng peripheral parts niya sa paligid lalo na ang capacitor at resistor bago palitan (^_^

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Re: Nawala ang echo ng Home karaoke

Post by triac on Sat Oct 06, 2012 9:29 am

mayroon po ba itong ic socket?kung mayroon try to pull out at ibalik baka loose contact..

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Re: Nawala ang echo ng Home karaoke

Post by dodongleo on Mon Oct 08, 2012 9:28 am

@ sis ultra:
uu sis merong tunog ang microphone pero walang echo,,
ano ba itong echo pot, di ko alam sis,,
ok sis try ko check lahat peripheral ng dalawang echo ic,,

@ sis triac:
wala itong ic socket sis, deretso itong naka sulda dun sa board,,

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Re: Nawala ang echo ng Home karaoke

Post by ultrasonic™ on Mon Oct 08, 2012 4:28 pm

ay sori. nsanay ako sa abbreviation. pot = potentiometer (^_^


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Re: Nawala ang echo ng Home karaoke

Post by triac on Mon Oct 08, 2012 6:26 pm

@sis dodongleo sundin mo lang si sir ultra..yung echo pot sis yung control mismo ng echo na tinatawag nating potentiometer...

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Re: Nawala ang echo ng Home karaoke

Post by dodongleo on Tue Oct 09, 2012 9:46 am

Ok mga sis

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Re: Nawala ang echo ng Home karaoke

Post by danny on Tue Oct 09, 2012 4:05 pm

ano na update dito

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Re: Nawala ang echo ng Home karaoke

Post by dodongleo on Tue Oct 09, 2012 5:07 pm

wala pa rin echo sis danny Sad

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Re: Nawala ang echo ng Home karaoke

Post by dodongleo on Mon Oct 15, 2012 10:18 am

update ko lang to,,na check ko na lahat peripherals near sa mga echo ICs,,replace lahat mga elect. capacitors pero wala pa rin siyang echo,,

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Re: Nawala ang echo ng Home karaoke

Post by triac on Tue Oct 16, 2012 9:42 am

@sis dodongleo na test nyo na po ba yung echo controls sa analog tester?

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Re: Nawala ang echo ng Home karaoke

Post by dodongleo on Tue Oct 16, 2012 2:02 pm

@sis triac

anu yong echo control sis? saan yon makikita? yon bang mga potentiometers (parang volume control) ?

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Re: Nawala ang echo ng Home karaoke

Post by triac on Tue Oct 16, 2012 6:31 pm

opo sis..

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Re: Nawala ang echo ng Home karaoke

Post by ultrasonic™ on Tue Oct 16, 2012 6:55 pm

lagyan ko ng image para makasunod ang iba (^_^



kng wla nmng analog/potentiometer for echo control.. mlamang digital type ang controls nito... dun ka nmn tumuon ts


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Re: Nawala ang echo ng Home karaoke

Post by triac on Wed Oct 17, 2012 9:39 am

ayan may picture na si sir ultra..

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Re: Nawala ang echo ng Home karaoke

Post by dodongleo on Wed Oct 17, 2012 10:28 am

ah ok mga sis,,tatlong analog potentiometers ang nandito,,echo repeat, echo rating at echo volume yata ito,,anu ba dapat kung gawin or ano dapat kong i-testing?

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Re: Nawala ang echo ng Home karaoke

Post by ultrasonic™ on Wed Oct 17, 2012 1:02 pm

test mu lhat using analog/digital ohmmeter


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Re: Nawala ang echo ng Home karaoke

Post by dodongleo on Wed Oct 17, 2012 2:07 pm

sis ultra, dapat ba i-removed ang potentiometer from the pcb board, or pede na on-board testing lang,,

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Re: Nawala ang echo ng Home karaoke

Post by Hertz on Mon Oct 22, 2012 4:38 pm

@dodongleo para macheck ng maigi. out of board mo


Last edited by Hertz on Mon Oct 22, 2012 4:40 pm; edited 1 time in total

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Re: Nawala ang echo ng Home karaoke

Post by dodongleo on Mon Oct 22, 2012 4:39 pm

ok sis gawin ko yan,,

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Re: Nawala ang echo ng Home karaoke

Post by arkin on Mon Oct 22, 2012 6:05 pm

kong my spare ka dyan plitan mo na lng muna[test mode lng]sa mga echo,repeat at echo volume,kunting problema lng malfunction na..

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Re: Nawala ang echo ng Home karaoke

Post by ultrasonic™ on Tue Oct 23, 2012 6:49 pm


^ tama mas mainam... para confirm agad

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Re: Nawala ang echo ng Home karaoke

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