Sony TVP0484 free download

File name TVP0484.pdf

S CONFIDENTIAL CSV-1 Sony Service Company National Technical Services Service Bulletin A Division of Sony Electronics Inc. Park Ridge, New Jersey 07656 TV Products Model: KP-53XBR300, KP-53HS10 No. 484R2 KP-61HS10, KP-61XBR300 Subject: AKB Error When First Turned ON Date: August 1, 2001 Symptom: (2311) When the unit is first turned on from cold start the LED flashes 5 times at first power- ON, and no picture is received. If turned OFF and then ON again picture is present. Unit will play the rest of the day without any problem. Solution: If the customer should complain of the symptom above please perform the following circuit changes to the BD Board. Note 1: Some BD boards had countermeasures applied at the factory. These boards do not need to be reworked in the field. See illustrations 1 through 3 for identifying the boards that have had countermeasures applied at the factory. Carefully peel up the coper tape on the side edge of the board. Lift up the shield from the board, using the long copper tape as a hinge. Illustration 1 Illustration 2 Factory-reworked boards have a 10K chip resistor mounted near R1924; no further rework is necessary. Illustration 3 Reference: SBR9912 PRINTED IN USA TV Products Service Bulletin No. 484R2 Note 2: The specific procedure depends on whether or not the original service bulletin had been performed previously.