Model No. 55DA5550SERVICE MANUALLED TVMSD3393LU/6306 ChassisWARNINGThis service information is designed for experienced repair technicians only and is not designed for use by the general public.It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or repairthe product or products dealt with in this service information by anyone else could result in serious injury or death.©2013 Qingdao Haier Electronics Co., Ltd.All rights reserved. Unauthorized copying and distribution is a violation of law.