Hi Softarno,
Thank you for considering Sony Community!
Kindly follow the guidelines here and isolate the issue: https://us.en.kb.sony.com/app/answers/detail/a_id/35540/. If none of the steps resolve the issue, service will be required. Contact the nearest Sony Authorized Service Center in your area.
For further assistance, we kindly recommend visiting our Sony Global Website for information on contacting the Sony Support Center in your region at http://www.sony.net/SonyInfo/Support/. Due to proximity, they are in a better position to respond to your questions or concerns.
Regards,
Vincent
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