Classe-CDP3-cd-sm维修电路原理图.pdf

《Classe-CDP3-cd-sm维修电路原理图.pdf》由会员分享，可在线阅读，更多相关《Classe-CDP3-cd-sm维修电路原理图.pdf（25页珍藏版）》请在收音机爱好者资料库上搜索。

1、CDP-.3 Class INTEGRATED CD PLAYER SERVICE MANUAL v 1.0 RadioFans.CN 收音机爱 好者资料库 Index Mechanical Assembly3 PC Boards17 Testing Procedures30 Diagrams33 RadioFans.CN 收音机爱 好者资料库 CDP .3 MECHANICAL ASSEMBLY 1 MS-2347 PHILIPS 2 L1C2XR02 3 L1C3XR03 CDP .3 FACE PLATE ASSEMBLY Class - 1 1 MODEL CDP.3 PLAY/PAU

2、SE STOP LOAD POWER HDCD 2 3 FACE PLATE ASSEMBLY Class - 2 CDP .3 1 L1C2XR02 2 2 1 TOP VIEW SIDE VIEW CHASSIS REAR VIEW) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 14 13 11 12 Class - 3 9 10 CDP .3 1 2 3 4 5 8 6 7 CHASSIS 1 PLA CAPFR1 2 HDW #8 FLAT WASHER 3 BZO 8-32x3/4” BHCS 4 L161XR07 Class - 6 1 2 3 CDP .3

3、4 TOP VIEW Class - 8 PARTIAL ASSY 1 AVR BO51XR02 2 AVR BO50XR03 3 AVR BO1CXR00 4 TRANSFORMER CDP .3 TOP VIEW SHIPPING AREA - FINAL ASSY Class - 9 CDP .3 1 L162XR00-B 2 2 1 MODEL CDP.3 PLAY/PAUSE STOP POWER HDCD LOAD CDP .3 PC BOARDS 820083 INPUT Class - 10 CDP .3 Class - 13 B161XR00 POWER SUPPLY CDP

4、 .3 Class - 13 B1C2XR02 PANNEL CDP .3 Class - 13 B1C5XR00 DISPLAY CDP .3 Class - 13 B1C3XR00 SWITCH CDP .3 CDP .3 TESTING PROCEDURES Class - 14 INPUT PCB A. INSPECTION -visually check all parts for: solder bridges or splashes, backwards or missing component orientation. B. POWER SUPPLY VOLTAGES 1. C

5、R105-21V 2. CR102+21 3. CR302-5V 4. CR301+5V 5. CR104-12V 6. CR103+12V 7. R305-12V 8. R301+12V 9. C202+5V C. DAC OFFSETS CALIBRATION -maximum 6mV 1. Measure DC voltage of J404A to J404B LGND. Divide 5127 by this number choose the closest factory select resistor value in K OHMS for 311 (if neg.) on R

6、 313 (if pos.). 2. Measure DC voltage of J403A to J403B RGND. Divide 5127 by this number and choose the closest factory select resistor value in K OHMS for R 306 (if neg.) or R 308 (if pos.). D. CHECK ANALOG AUDIO OUTPUT SIGNAL CDP .3 CDP .3 DISPLAY PCB Class - 15 A. INSPECTION -visually check all p

7、arts for: solder bridges or splashes, backwards or missing components, component orientation. B. FUNCTION 1. Switch on unit. 2. Insert HDCD disk. 3. Press switch buttons if all are working according to their functions. 4. LED must light during play. 5. Check remote control. CDP .3 DIAGRAMS POWER SUPPLY - 79007001 (1) Class - 16 CDP .3 Class - 17 CDP .3 HDCD - 79007001 (2) Class - 18 CDP .3 DAC - 79007001 (3) Class - 19 CDP .3 OUTPUT - 79007001 (4) cdp03_ps.sch-1 - Thu May 29 15:40:57 2003