DENON hfe denon dn-d4500 bu4500 service free download

File name hfe_denon_dn-d4500_bu4500_service.pdf

Ver. 3 Please refer to the MODIFICATION NOTICE. SERVICE MANUAL MODEL JP E3 E2 EK E2A E1C E2K EUT DN-D4500 DOUBLE CD/MP3 PLAYER MODEL JP E3 E2 EK E2A E1C E2K EUT BU4500 3 CD/MP3 DRIVE UNIT 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. TOKYO, JAPAN Professional Business Company, D&M Holdings Inc. X0233 V.03 DE/CDM 0703 DN-D4500 / BU4500 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. LASER RADIATION Do not stare into beam or view directly with optical instruments, class 3A laser product. 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 as Check that all screws, parts and wires removed or discon- the cabinet, parts, chassis, etc., have cautions indicated on nected for servicing have been put back in their original posi- labels or seals. Be sure to heed these cautions and the cau- tions, inspect that no parts around the area that has been tions indicated in the handling instructions. serviced have been negatively affected, conduct an insulation check on the external metal connectors and between the Caution concerning electric shock! blades of the power plug, and otherwise check that safety is ensured. (1) An AC