DENON hfe denon avr-684 1604 avc-1580 service free download

File name hfe_denon_avr-684_1604_avc-1580_service.pdf

For U.S.A., Canada, Europe, U.K., Asia, China,Taiwan R.O.C., Korea & Japan model SERVICE MANUAL MODEL AVR-1604/684 AVC-1580 AV SURROUND RECEIVER / AMPLIFIER For purposes of improvement, specifications and design are subject to change without notice. Please use this service manual with referring to the operating instructions without fail. Some illustrations using in this service manual are slightly different from the actual set. 16-11, YUSHIMA 3-CHOME, BUNKYO-KU, TOKYO 113-0034 JAPAN X0174V.02 DE/CDM 0311 AVR1604/684 / AVC-1580 2 SAFETY PRECAUTIONS The following check should be performed for the continued protection of the customer and service technician. LEAKAGE CURRENT CHECK Before returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to chassis resistance check. If the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to either side of the power cord is less than 460 kohms, the unit is defective. 500V 1M (1) (2) (1) (2) 2 AVR-1604/684 / AVC-1580 3 - 3 AVR-1604/684 / AVC-1580 4 LEVEL DIAGRAMS FRONT/CENTR/SURROUND/SURROUND BACK INPUT A/D IN A/D IN D/A OUT SW SUM ELECTRIC BUFFER REV AMP TONE PRE AMP POWER AMP REV AMP REV AMP LPF REV AMP VOLUME AMP