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Old 22nd March 2004, 02:24 PM   #1
Haavard is offline Haavard  Norway
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Join Date: Mar 2004
Location: Lena
Default Change opamp in Rega Planet 2000

I have just seen inside my REGA planet 2000. Nothing much in there. I'm planning to do some modifications. First I wan't to change the opamp. As far as I can understand the opamp used in the REGA ia a LA 9216. Probably from Sanyo.

Anyone know the quality of this opamp ?
Is it possible to change it ?
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Old 29th April 2010, 12:08 PM   #2
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Join Date: Jul 2005
Location: D-55629 Schwarzerden
Default Rega Planet schematic and Sanyo LA9216 Datasheet wanted

The LA9216 isn't a typical op-amp (like quad op-amp TL074). There are additional several functions on board like logic section and voltage regulators. How great it is the similarity to the LA9215 ? - I don't know, because I don't find a datasheet online. Perhaps pin compatible, but an enhanced quality standart?
To understand the complete theory of this circuit operation, a full schematic so as original datasheet from Sanyo would be helpful. Who can help?

follow links I have found in this case:
Stereophile: Rega Planet CD player
Lecteur CD - Modifier un Rega Planet (1er génération) - Sources
hack the Planet!
Mod a Rega Planet
LA9215 datasheet pdf datenblatt - Sanyo Semicon Device - CD player output amplifier ::: ALLDATASHEET :::

Last edited by tiefbassuebertr; 29th April 2010 at 12:17 PM.
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Old 12th August 2011, 09:32 PM   #3
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Location: D-55629 Schwarzerden
any news concerning datasheet of LA9216?
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