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File name Service Bulletin - MB62 Sound IC Problem.pdf

Service Bulletin Model: Units with MB62 Main Board SUBJECT : Service Bulletin Priority ( )S. All products. ( )A. Items in Customer / Dealer stock / Service return goods. ( )B. Customer stock / Units returned for Service. (X )C. Sold items returned for Service. ( )D. Only Units returned to this bulletin. ( )E. Others Randomly, "No Sound" problem DATE: September,11, 2012 This bulletin is to define the matter in the subject and to inform method to solve this. Unit working and picture fine but sound does not work. Generally, sound goes after a few hours the TV set has turned on. This condition can observe randomly. The problem is related due to sensitivity the audio input level of the Sound IC. Therefore, below modification will solve this problem. OUT: C1075, C1076, C1077, C1078 : 30050557 CAP SMD 470NF 6.3V K X5R (0402) RoHS IN: C1075, C1076, C1077, C1078 : 30050554 CAP SMD 1UF 6.3V M X5R (0402) RoHS