DENON Схема DCD-SA100 free download

File name Схема DCD-SA100.PDF

For Japan model Ver. 1 SERVICE MANUAL MODEL DCD-SA100 SUPER AUDIO CD PLAYER 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 S-1130V.01 DE/CDM 0307 DCD-SA100 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 DCD-SA100 3 3 DCD-SA100 4 4 DCD-SA100 5 DIAGNOSTICS OF OPTICAL PICKUP AND REPLACING TRAVERSE UNIT Make failure diagnostics of the Optical Pickup as follows. If the laser drive current (Iop) becomes more than 1.5 times of the initial value, the Optical Pickup should be replaced. The laser drive current is registered on the seal attached to the rear of the Mecha.Unit. In case of replacing the Pickup, change the whole part of the Traverse Unit. No mechanical adjustment is necessary after the replace- ment. Disc no read,unsteady playback, etc. Laser drive current (Iop) check HF wave form check (Refer to page 78) Present value exceeds the ini- tial value by 1.5 times Traverse Unit replacing (See page 8 for details) Laser current registering after replacement. Step: Disc playback Write the measured value on the seal attached to the Mecha. Unit *As to the measuring method, refer to page 6,7.