Samsung Samsung PN43D450 X-main repair tips free download

File name Samsung_PN43D450_X-main_repair_tips.pdf

SERVICE BULLETIN PRODUCT: PDP BULLETIN NUMBER: ASC20110506002 BULLETIN DATE: May 6, 2011 MODELS: PN43D440A5D, PN43D450A2D, PN43D490A1D SUBJECT: Preventing the failure or repeated failure of the X Main board SYMPTOM: No "power on" or "no picture" REPAIR: Check the production range of the PDP. If it was manufactured in January or February of 2011 and the X main board has failed, restore the PDP to full operation, and then verify that the firmware on the main board is at/above the version listed in the chart. If not, upgrade the firmware. Model Firmware version PN43D440A1D PN43D450B1D PN43D490A1D Note: When servicing a Samsung TV, always check that the latest firmware is applied before completing the repair. PROCEDURE: Troubleshoot to determine the cause of the failure. Restore the PDP to full operation, and then, regardless of whether the symptom is caused by a defective X main or other board (or NDF), upgrade the firmware to the version listed above (or to the latest, whichever is the higher version) to prevent possible (repeat) failure of the X main board. Note: Consult the Samsung Service Website at (service.samsungportal.com) for the Service Manual and other information on this product. This information is published for experienced repair technicians only and is not intended for use by the public. It does not contain warnings to advise non-technical individuals of possible dangers in attempting to service a product. Only experienced professional technicians should repair products powered by electricity. Any attempt to service or repair the product or products dealt with in this information by anyone else could result in serious injury or death. Information provided in this bulletin is subject to change or update without notice.