Denon AVR-5700 Service Bulletin

100 Corporate Drive Mahwah, NJ 07430

Service Bulletin

No. : OST-576 Date:

January 23, 2007

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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:

FORMER NEW Ref #

Description Part

Number

TR705,

706,745, 746,

2SC3423

(O/Y)

273 0333

003

783

TR707,

708,747, 748,

2SA1360

(O/Y)

271 0202

002

784

TR709,

710,711, 712,

2SC3423(O/Y) 273 0333

003

749,750, 751,

752,786, 785

TR703,

704,743, 744,

2SC1349(BL) 271 0294

007

782

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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.

CONFIDENTIALITY NOTICE:

Description Part

Number

RS14B3D153JNBST 244 2671

914

2SA1546(L) 271 0297

004

2SC4001(M/L) 273 0453

006

2SA970(BL) 271 0094

919

Serial Number Range:

Model Serial Number

AVR-5700K E3 9017300001 ~ 9037301900

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CONFIDENTIALITY NOTICE: