Yamaha Portasound PS3 Service manual

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Pasrapide
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Yamaha Portasound PS3 Service manual

Post by Pasrapide » Thu Mar 09, 2017 9:02 pm

Hello,

I am new here, but old in the life.
I try to help in a repair cafe.
I am looking :shock: for the service manual or electronic drawings for Portasound Yamaha PS-3.

Best regards,
Richard
Electronic man in Paris :idea:

Pasrapide
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Re: Yamaha Portasound PS3 Service manual

Post by Pasrapide » Wed Mar 29, 2017 11:06 am

Pasrapide wrote: I am looking :shock: for the service manual or electronic drawings for Portasound Yamaha PS-3.
I got it,
Richard

Rasputin
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Re: Yamaha Portasound PS3 Service manual

Post by Rasputin » Fri Mar 31, 2017 5:40 pm

So... do you want to post it here for the next person looking for the same thing, or...??

Pasrapide
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Re: Yamaha Portasound PS3 Service manual

Post by Pasrapide » Sat Nov 18, 2017 12:59 pm

Rasputin wrote:So... do you want to post it here for the next person looking for the same thing, or...??
Yes and I can send this manual.
Regards,
Richard

EvilDraggie
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Re: Yamaha Portasound PS3 Service manual

Post by EvilDraggie » Sun Feb 04, 2018 4:44 pm

I've been looking for the service manual for ages, any chance you still have the files?

I'm in the process of repairing my PS-3 and could use some schematics...

sonrie69
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Re: Yamaha Portasound PS3 Service manual

Post by sonrie69 » Mon Mar 05, 2018 5:49 am

hi richard.. my broken ps3 also needs the service manual... i will be glad if you could share with us !! thanks !

Rasputin
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Re: Yamaha Portasound PS3 Service manual

Post by Rasputin » Tue Mar 13, 2018 10:03 pm

I have the Yamaha PortaSound PS-3 (and PS-1 / PS-2) service manual. I'll post it if anyone contributes another needed service manual. Or firmware. Or... you get the idea.

Edit: No? Sad. But I'll take pity on the next person in line and post it in the service manuals section anyway. :|

k-special
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Re: Yamaha Portasound PS3 Service manual

Post by k-special » Mon Jan 07, 2019 4:34 pm

Hello,

I am new to the forum and I would love to contribute. Unfortunately, I do not have anything of interest (service manual / firmware). Still, I would really appreciate the service manual for the PS3. Would you be so kind to post it?

Rasputin
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Re: Yamaha Portasound PS3 Service manual

Post by Rasputin » Tue Jan 08, 2019 4:52 pm

k-special wrote:Hello,

I am new to the forum and I would love to contribute. Unfortunately, I do not have anything of interest (service manual / firmware). Still, I would really appreciate the service manual for the PS3. Would you be so kind to post it?
Already posted:
viewtopic.php?f=5&t=31971&start=75

iansaurus
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I need help with my Yamaha PS-3: repairing N4 :(

Post by iansaurus » Wed Apr 03, 2019 3:55 pm

Hi Forum Synthers.

Im Ian, I recently got a yamaha ps-3 and there was a few problems but all lead to N4 on the circuit board.#
I checked the Service Manual,

problem
1. Clarinet, and Organ Sound mode both dont work -> (manual points to N4 on IC)
2. Latin rhythm sound mode doesnt trigger -> (manual points to N4)
3. The keys A and D# are both dead on all octaves-> (model points to N4)

I checked the transistor and resistor and resoldered it but it all seems fine, I started tracing the circuit and then I got lost. Could someone help me please. :evil:

hemantha
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Re: Yamaha Portasound PS3 Service manual

Post by hemantha » Sun May 05, 2019 9:33 am

I'm Hemantha, Firstly i would like thank you all. Because I could find a PS3 manual on this site.

I recently got a yamaha ps-3 and there was a some problems.There is no any sound.
I checked the circuit board according to the Service Manual, but I couldn't fix it.
Please anyone can help me to repair it?
I gave some negative pulses (about 1kHz frequency) to FO,Vo, IC3 pin 1,2,6,7,MO1,MO2 like this. At FO,VO point, Occurred loud sound. At IC3 pin 2,6 point, Occurred mid sound. At IC3 pin 1,7,MO1,MO2 point, Occurred too week sound. However, when I press any key doesn't occur any sound.
(I have some little knowledge about electronic. I haven't oscilloscope)

Thanks.
Hemantha.

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