DENON Service Bulletin OST-576 free download

File name Service Bulletin OST-576.PDF

100 Corporate Drive Mahwah, NJ 07430 Service Bulletin No. : OST-576 Date: January 23, 2007 _____________________________________________________________ Model: AVR-5700 Subject: A change in the Transistors used in the Power Amplifier circuit. Symptom: A potential malfunction can occur caused by defective transistors. Please replace the following parts in the unit with the improved parts whenever the unit is in for service whether for a Power Amplifier repair or for any other reason. Solution: Replace the following transistors in the Power Amp section with the new parts. Parts: Ref # FORMER NEW Description Part Description Part Number Number TR705, 2SC3423 273 0333 RS14B3D153JNBST 244 2671 706,745, 746, (O/Y) 003 914 783 TR707, 2SA1360 271 0202 2SA1546(L) 271 0297 708,747, 748, (O/Y) 002 004 784 TR709, 2SC3423(O/Y) 273 0333 2SC4001(M/L) 273 0453 710,711, 712, 003 006 749,750, 751, 752,786, 785 TR703, 2SC1349(BL) 271 0294 2SA970(BL) 271 0094 704,743, 744, 007 919 782 ______________________________________________________________________________________ CONFIDENTIALITY NOTICE: The information contained in this document is intended for the exclusive use by DENON Authorized Service Centers and their employees. This document may contain information that is privileged, confidential and may be protected from disclosure under applicable laws and terms of the DENON Service Agreement. Any distribution, disclosure, dissemination or copying of this document and the information it contains is prohibited. No responsibility will be accepted by DENON for any damage, injury or loss resulting from the misuse of the information contained in this document. Serial Number Range: Model Serial Number AVR-5700K