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Now downloading free:DENON Service Bulletin OST-638

DENON Service Bulletin OST-638 free download

Various electronics service manuals

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File name:Service Bulletin OST-638.PDF
[preview Service Bulletin OST-638]
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Model:Service Bulletin OST-638 🔎
Original:Service Bulletin OST-638 🔎
Descr: DENON AV Surround Receiver & Amplifier AV Surround Receiver & Amplifier Denon - AVR-5800 & AVC-A1SE Service Bulletin OST-638.PDF
Group:Electronics > Other
Uploaded:08-08-2022
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File name Service Bulletin OST-638.PDF

100 Corporate Drive Mahwah, NJ 07430 Service Bulletin No. : OST-638 Date: April 26, 2007 _____________________________________________________________ Model: AVR-5800 Subject: Countermeasure for Pop Noise on the PRE Output. Symptom: The unit produces the Pop Noise when switching functions. Solution: Please apply the following modification (upon claim only). On the EXT IN VOL Unit (1U-3295): 1) Replace "2SC3326" muting transistors, TR805, 806, 809, 810,813, 814, 817 and 818 with new KTC2875 Transistors. (Eight transistors) 2) Replace 10-ohm resistors R827, 828, 843, 844, 859, 860, 875 and 876 with new 220-ohm resistors. (Eight resistors) Parts: Ref # FORMER NEW Description Part Number Description Part Number TR805, 806, 2SC3326 273 0414 906 KTC2875 273 0460 905 809, 810,813, 814, 817, 818 R827, 828, RM73B--100J 247 2002 964 RM73B--211J 247 2005 987 843, 844, 859, 860, 875, 876 ______________________________________________________________________________________ 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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