DENON Схема DRR-M31 free download

File name Схема DRR-M31.PDF

For Europe model SERVICE MANUAL MODEL DRR-M31 STEREO CASSETTE DECK 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 X0166V.02 DE/CDM 0302 DRR-M31 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 DRR-M31 3 DISASSEMBLY (Follow the procedure below in reverse order when reassembling) 1. TOP COVER (1) Remove 2 screws fixing from the both sides. (2) Remove 5 screws fixing to the Rear Plate, then detach the Top Cover in the arrow di- rection . 2. FRONT PANEL (1) Disconnect 1 HCU joiner coming from the front P.W.B. (2) Remove 4 screws fixing the Front Panel at the bottom. (3) Whil releasing 2 hooks, detach the Front Panel. 3. CASSETTE MECHA. ASS'Y (1) Remove 4 screws fixing the Cassette Mecha. Ass'y. (2) Disconnect 3 connectors, then detach the Cassette Mecha. Ass'y. 3 DRR-M31 4 4. REAR PLATE (1) Pull up the Power Cord together with the cord bush to disengage from the Rear Plate. (2) Remove 3 screws fixing the 4P pin jack and AC outlet respectively. (3) Remove 1 screw , and detach the Rear Plate. 5. MAIN P.W.B. (1) Remove 1 screw fixing the AMP P.W.B. (2) Pull up the AMP P.W.B. as shown in the arrow direction, and disconnect 2 connectors. Connector (3) Remove 4 screws fixing the Main P.W.B. (4) Release 3 pieces of P.W.B. spacers. (5) Disconnect the connector from the Trans Unit. (6) Take off the Main P.W.B. AMP 6. DISPLAY P.W.B. (1) Pull out the knob (E). (2) Remove the nut and washer for the rotary switch. (3)