{Req} Looking for a English DataSheet for Yamaha YMW728B-F IC

PaulC

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{Req} Looking for a English DataSheet for Yamaha YMW728B-F IC

« on: April 25, 2013, 02:07:40 14:07 »

Repairing a Yamaha Keyboard for my grandson.
Tracing Analogue out from Main Amplifier to the YMW728B-F IC on scope is not giving any outgoing signals.
hence Looking for a English DataSheet for Yamaha YMW728B-F IC..
Tried usual searches & Google to no avail
many thanks


« Last Edit: April 25, 2013, 02:45:52 14:45 by PaulC »	Logged

find it , read it , share it .

GunMage

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Re: {Req} Looking for a English DataSheet for Yamaha YMW728B-F IC

« Reply #1 on: April 25, 2013, 03:15:25 15:15 »

Quote from: PaulC on April 25, 2013, 02:07:40 14:07

This is as close as I can get you....
YMW728-F (XU355A00) GEW12 (AWM Tone Generator)

which was found here:
http://dc492.4shared.com/doc/1HCkRN6J/preview.html#26


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bigtoy

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Re: {Req} Looking for a English DataSheet for Yamaha YMW728B-F IC

« Reply #2 on: April 26, 2013, 05:51:12 05:51 »

There's also this:

http://www.dtech.lv/files_ym/ymw728f_GEW12_generic_schematic_PSR160_PSR170_PSR270.png


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