DENON Service Bulletin OST-794 free download

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100 Corporate Drive Mahwah, NJ 07430 Service Bulletin No. : OST-794 Date: April 27, 2007 _____________________________________________________________ Model: AVR-5803 Subject: Countermeasure for noise of the Digital Output. Symptom: The Digital Output (OPTICAL-5/6 OUT Terminal) produces continuous noise. Continuous random noise, or turns into a condition that noise and music overlapped. The condition: After setting the Input Source to the Digital Input, and when the REC OUT SELECT is set to the SOURCE, and the Surround Mode is set to either of DIRECT, PURE DIRECT, STEREO or DOLBY HEADPHONES Mode. (DENON Link input mode is not included in the condition.) Under any of the above conditions, Speaker Output, Headphones Output, Preamplifier Output and Analog Output operate properly. Solution: Rewrite the PLD (IC611 EPM3128ATC144-10) and the Sub- MICON (IC701 M30620FCMGP). Modification Procedure: PLD: Connect the Jig for the exclusive use (1U-3602-4) to the Parallel Port of PC, and connect the Jig's 7P wire to be connected to the CX402 to the CX975 on the 1U-3425. Then, transfer the data file for rewriting from the PC. (Please refer to the attached procedures.) * Data File Name for rewriting the PLD: 5803_PLD400.pof * Tool Name for rewriting the PLD: Quartus II Programmer 3.0 Sub-MICON: Use DENON Flash ROM Writer II and transfer the data from the PC. ______________________________________________________________________________________ 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. * Data File Name for rewriting Sub-MICON: 5803S254.bin * Tool Name for rewriting Sub-MICON: DENON Flash ROM Writer II Note: Regarding the set-up and operating procedures of the PC, please refer to the text attached to the Application recorded on the CD-ROM. (Refer to the item #8, the Contents of the CD-ROM.) After the completion of rewriting operation, confirm that each ROM's version is as follows: (Please refer to the chapter 5.11 in the DENON FlashWriter II Operating Manual for the Operating Procedures.) MAIN: 01.16 SUB : 02.53 DSP1 : 01.10 DSP2 : 00.79 (No part replacement is necessary.) Tools to be used for rewriting the data: PC (OS: Either of Windows NT4.0, 2000 or XP. The PC should be equipped