Hi Technosfab,
Welcome to Sony Community!
For further assistance regarding the availability and where you can purchase the replacement motherboard for your laptop, please contact the Sony offices/Sony representative offices nearest to your place of residence in Asia Pacific region http://www.sony-asia.com/countryselector.html?hpid=countryselector:AsiaPacific. Due to proximity, they are in a better position to respond to your questions or concerns.
Regards,
Jen
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