Service Manuals, User Guides, Schematic Diagrams or docs for : DENON AV Surround Receiver AV Surround Receiver Denon - AVR-5700 Service Bulletin OST-576
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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 E3 9017300001 ~ 9037301900
______________________________________________________________________________________
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.
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