DENON Схема AVR-1804 & 884 & AVC-1880 free download

File name Схема AVR-1804 & 884 & AVC-1880.PDF

For U.S.A., Canada, Europe, U.K., Asia, China,Taiwan R.O.C., Korea & Japan model SERVICE MANUAL MODEL AVR-1804/884 AVC-1880 AV SURROUND RECEIVER / AMPLIFIER 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, BUNKYOU-KU, TOKYO 113-0034 JAPAN X0173V.01 DE/CDM 0307 AVR1804/884 / AVC-1880 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-1804/884 / AVC-1880 3 LEVEL DIAGRAMS FRONT/CENTR/SURROUND/SURROUND BACK INPUT D/A OUT A/D IN A/D IN SW SUM ELECTRIC BUFFER LPF REV AMP PRE AMP TONE POWER AMP REV AMP REV AMP