ONKYO onkyo tx-sr602-e 8260 sm free download

File name onkyo_tx-sr602-e_8260_sm.pdf

TX-SR602/E Ref. No. 3825 092004 SERVICE MANUAL AV RECEIVER MODEL TX-SR602/E/8260 TX-SR602 Black, Golden and Silver models BMDD,BMDC,SMDC 120V AC, 60Hz BMPP,SMPP,BMPA,SMPA,GMPT 230-240V AC, 50Hz BMWT,GMWT 120/220-230V AC, 50/60Hz GMGK,GMGQ,GMGR 220-230V AC, 50Hz RC-590M or RC-591M SAFETY-RELATED COMPONENT WARNING!! THE MARK FOUND ON SOME COMPONENT PARTS INDICATES THE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK. WHEN REPLACING, BE SURE TO USE PARTS OF IDENTICAL DESIGNATION. MAKE LEAKAGE-CURRENT OR RESISTANCE MEASUREMENTS TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT BEFORE RETURNING THE APPLIANCE TO THE CUSTOMER. Basic check out on receive you work on before submit PCB Auth Request. Please give us Voltage info on each DSP ICs and where you lost audio signal ? CONFIDENTIAL Technical Tip 18 Park Way, Upper Saddle River, NJ 07458 Date: May 25, 2006 _____________________________________________________________ Model: HTR-330/530, TX-SR303/SR503 HTR520,TXSR502.. Subject: General troubleshooting for Protect problem. Use scope to check at power on before unit go protection --> Replace all driver transistors at the def.channel at the same time --> ______________________________________________________________________________________ CONFIDENTIALITY NOTICE: This document and the information it contains is intended for the exclusive use of Authorized ONKYO Service Centers and their employees. This document may contain information that is privileged, confidential and exempt from disclosure under applicable law and terms of the ONKYO Service Agreement. Any dissemination, distribution or copying of this document and the information it contains is strictly prohibited. HTR520,TXSR502.. Dsp board no audio signal output 1 . Normal audio using analog inputs. Do you have all Dolby surround sound ? 2 . All DSP voltages are normal ? Did all supply voltage go to all ICs ?+5vDSP, 2.5V,+3.3V... +7v,-7V.. 3 .Input sel IC. Use CD analog input audio signal (ADRT+,ADRT- and ADLT+,ADLT-) out to DAC IC ? Surround analog signal out (DAC L,DAC R,DAC C,DAC SW,DAC LS, DAC RS ,DAC SB* back t