DENON Схема DN-T645 & 625 free download

File name Схема DN-T645 & 625.PDF

For U.S.A., Canada & Europe model SERVICE MANUAL MODEL DN-T645/625 CD/CASSETTE COMBI-DECK (This illustration shows the DN-T645 model.) 1 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 Telephone: 03 (3837) 5321 X-0159 NC 0210 DN-T645/625 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. 2 DN-T645/625 3 DISASSEMBLY (To reassemble, reverse disassembly) 1. TOP COVER (1) Remove 6 screws on both sides, and 3 screws on the rear panel. (2) Pull the Top Cover as shown by the arrow direction. 2. FRONT PANEL (1) Turn the unit power on, and open Tray of the CD Mecha. (2) Remove the Loader panel, and switch off the power after closing the Tray. (3) Remove 2 screws at the top, and 3 screws at the bottom. (4) Remove 2 screws to free Earth Wire. (5) Remove the screw to free FFC. (6) Cut the Clamp band. (7) Disconnect 2 wire and 6 connectors from the Front Panel, then detach the Front Panel to the arrow direction about 50mm. (8) Disconnect 2 connectors and the FFC from the Front Panel, then detach the Front Panel to the arrow direction. 3 DN-T645/625 4 Method of opening the Tray when the power would not be turned on in trouble. (1) Please be sure to unplug the cord. (2) Push the lever indicated in the circled figure below with small bar like a pencil or a ball pointed pen, through the square opening on the left side of the main chassis. (3) Push the Tray out to the direction indicated in the figure below. (4) Detach the Loader Panel by lifting up to the direction indicated bellow. 4 DN-T645/625 5 3. DISPLAY & SW UNIT / KEY UNIT / SW UNIT / MIC UNIT / H/P UNIT / VO