DENON AVR1909 AVR789 E3E2 SM V04 free download

File name AVR1909_AVR789_E3E2_SM_V04.pdf

Ver. 4 Please refer to the MODIFICATION NOTICE. SERVICE MANUAL MODEL JP E3 E2 EK E2A E1C EA AVR-1909 AVR-789 AV SURROUND RECEIVER MODEL JP E3 E2 EK E2A E1C EA AVC-1909 AV SURROUND 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. D&M Holdings lnc. S0017-0V04DM/DG0912 Copyright 2009 D&M Holdings Inc. All rights reserved. WARNING: Violators will be prosecuted to the maximum extent possible. 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. CAUTION Please heed the points listed below during servicing and inspection. Heed the cautions! Inspect for safety after servicing! Spots requiring particular attention when servicing, such Check that all screws, parts and wires removed or discon- as the cabinet, parts, chassis, etc., have cautions indicated nected for servicing have been put back in their original po- on labels or seals. Be sure to heed these cautions and the sitions, inspect that no parts around the area that has been cautions indicated in the handling instructions. serviced have been negatively affected, conduct an insu- lation check on the external metal connectors and between Caution concerning electric shock! the blades of the power plug, and otherwise check that safety is ensured. (1) An AC voltage is impressed on this set, so touching in- ternal metal parts when the set is energized could (Insulation check proced