DENON hfe denon dn-c680 service supp en free download

File name hfe_denon_dn-c680_service_supp_en.pdf

For U.S.A., Canada & Europe model SU PP LE SERVICE MANUAL ME NT MODEL DN-C680 Ver. 1 CD PLAYER We have two version of DN-C680. The new version of DN-C680 is replaced discontinued parts of the old ver- sion. (CD mechanism, microprocessor and D/A conver- ter etc.) Serial number of new version are renumbered from *****50001. This service manual is supplement for new version of DN-C680 and only mentioned difference between old and new version. So, please refer to previously issued service manual of DN-C680 when servicing. 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, BUNKYOU-KU, TOKYO 113-0034 JAPAN X0179V.01 DE/CDM 0308 DN-C680 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. LASER RADIATION Do not stare into beam or view directly with optical instruments, class 3A laser product. 500V 1M (1) (2) (1) (2) 2 DN-C680 3 BLOCK DIAGRAM