ONKYO hfe onkyo ht-r680 service en free download

File name hfe_onkyo_ht-r680_service_en.pdf

HT-R680 Ref. No. 4195 052010 SERVICE MANUAL AV RECIEVER MODEL HT-R680 (B) HT-R680(B) in HTiB "HT-S6300 and HT-S7300" RC-764M Black model BMDC 120 V AC, 60Hz SAFETY-RELATED COMPONENT WARNING!! COMPONENTS IDENTIFIED BY MARK ON THE SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK. REPLACE THESE COMPONENTS WITH ONKYO PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL. 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. TX-SR308/ /508/ 578/ 608 HT-R280/ 380/ 538/ 580/ 680/ 980/ C230/ C260 DTR-20.2/ 30.2 TROUBLE SHOOT-1 This is just for general reference and does not including every single case. No Power No Power BAETC-0376/0390 (Power supply) BADG-0364 (MPU Board) BADG-0364 (MPU Board) BAETC-0376/0390 (Power supply) YES NO TX-SR308/ /508/ 578/ 608 HT-R280/ 380/ 538/ 580/ 680/ 980/ C230/ C260 DTR-20.2/ 30.2 After Power on, Replace Q701 and also BADG-0364 (MPU Board) Voltage atJL901_1pin is changed repairits peripheral circuit. JL901 4pin +12V from +12V t o 0V? 2pin +10V NO YES BAETC-0376/0390 (Power supply) BAETC-0376/0390 Replace Power Supply Board orRepair (Power Supply) Sub Transformer T902 and itsperipheral F901 is blown out? circuit. YES NO After replacing F901 on BADG-0346 (MPU Board)