Philips-MC-146-Service-Manual(1) 电路图 维修手册.pdf

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1、 MC146/05/12/96 Copyright 2007 Philips Consumer Electronics B.V. Eindhoven, The Netherlands All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise without the pri

2、or permission of Philips. Published by SL 0738 Service Audio Printed in The Netherlands Subject to modification Micro System Version 1.0 CLASS 1 LASER PRODUCT 3141 785 31800 TABLE OF CONTENTS Page Location of PCBs .1-2 Specifi cations .1-3 Measurement Setup .1-4 Service Aids, Safety Instruction, etc

3、 .1-5 CD Playability Check .1-6 to 1-8 Software Version Checking .2 Set Block Diagram .3 Set Wiring Diagram .4 Main Board .5 Front Board.6 Set Mechanical Exploded View & Parts List .7 Electrical Parts List .8 RadioFans.CN 收音机爱 好者资料库 PCBS LOCATION FRONT BOARD MAIN BOARD 1-2 RadioFans.CN 收音机爱 好者资料库 1-

4、3 AMPLIFIER Output power .2 x 2W RMS Signal-to-noise ratio. ? 60 dBA (IEC) Frequency response . 125 16000 Hz Impedance loudspeakers .8? CD PLAYER Frequency range . 125 16000 Hz Signal-to-noise ratio. 65 dBA TUNER FM wave range .87.5 108 MHz MW wave range.531 1602 kHz Sensitivity FM 26 dB sensitivity

5、 . 20 V MW 26 dB sensitivity .5 mV/m Total harmonic distortion. ? 5% SPEAKERS Bass reflex system Dimensions (w x h x d) .134 x 230 x 152 (mm) GENERAL INFORMATION AC Power.220 230 V / 50 Hz Dimensions (w x h x d) .148 x 233 x 216 (mm) Weight (with/without speakers) . . approx. 3.65 / 1.53 kg Power co

6、nsumption Active . 15 W Standby . 250mV -Laser damaged ! 4,6V 3V 3,3V 3,9V 2V 0,17V 0,17V Sanyo DA12T3 HF-Amplifier D3 D2 D1 Drive detection 680R 3905 3903 3K3 BC847B 7877 47n 2818 1K5 3902 5 7 4 2 1 6 3 64 8 9 10 11 470R 3893 +3.3V 2K2 3908 10K 3923 BC847B 7878 BC847B 7876 4n7 2813 3896 100R 220u 2

7、885 2881 560p 47n 2887 560R 3901 2883 470n 2817 4u7 3n3 2814 3898 220R 3895 27K 470n 2884 +3.3V 3909 820R 3907 100R 3920 33K 3897 2882 82p 3K3 3904 2K7 3899 3906 470R +5V_HF HFIN VrefCD10 100p 28152816 22n LDON to 3826,3827 VREF GE VDDA1 VRIN VSSA1 ISLICE LDON D1 D2 D3 D4 HFIN HFREF IREF CD_DA: 0V /

8、 CD_RW: 3V (A-D) 800mVpp TB = 0.5s/div EYE-PATTERN 1,8V 1,2V 2,4V 2,6V 0,65V INSTRUCTIONS ON CD PLAYABILITY 1-8 2-12-1 To hold REPEAT & PRESET+ depressed Display shows the ROM version U - XX U refers to Version XX refers to Software version number of the uProcessor (counting up from 01 to 99) SOFTWA

9、RE VERSION CHECKING Set on Standby. Y N Y N Button pressed? 9 Button pressed? DISPLAY TEST Display shows all patterns PRESET- Display shows NEW SOFTWARE RESET 3-13-1 SET BLOCK DIAGRAM FRONT BOARD MAIN BOARD SET WIRING DIAGRAM 4-14-1 MAIN BOARD TABLE OF CONTENTS Layout Top View .5-2 Layout Bottom Vie

10、w .5-3 Circuit Diagram (AF&Amp Part) .5-4 Circuit Diagram (CD Part) .5-5 Circuit Diagram (Tuner Part) .5-6 5-15-1 5-25-2 PCB LAYOUT - MAIN BOARD TOP VIEW 5-35-3 PCB LAYOUT - MAIN BOARD BOTTOM VIEW 5-4 5-4 CIRCUIT DIAGRAM - MAIN BOARD AF & AMP PART 5-5 5-5 CIRCUIT DIAGRAM - MAIN BOARD CD PART 5-6 5-6

11、 CIRCUIT DIAGRAM - MAIN BOARD TUNER PART FRONT BOARD TABLE OF CONTENTS Layout Top View .6-2 Layout Bottom View .6-3 Circuit Diagram .6-4 6-16-1 6-2 PCB LAYOUT - FRONT BOARD (TOP VIEW) 6-2 6-3 PCB LAYOUT - FRONT BOARD (BOTTOM VIEW) 6-3 6-4 CIRCUIT DIAGRAM - FRONT BOARD 6-4 211 215 220 219 208 209 207

12、 221 201 214215 213 81 203 205 212 T001 202 SET MECHANICAL EXPLODED VIEW 7 - 1 7 - 1 108 109 MECHANICAL & ACCESSORIES PARTS LIST 2996510008380SPK BOX PART 6996510006838REMOTE CONTROL 81994000005398CD MECHANISM DA11B3VF 105996510006667SPK GRILL 108996510000860SHOCK ABSORBER (658 TA 30C) 1099965100008

13、61SHOCK ABSORBER (658 TB 40C) 114994000003674CD DOOR SPRING 201 996510008373 FRONT CABINET 202996510008379REAR CABINET /05 202996510007996REAR CABINET /12/96 203996510006656CD TRAY 205996510008374CD DOOR 207996510008001SOURCE BUTTON COVER 208 996510006659VOL COSMETIC COVER 209996510006660VOL BUTTON

14、COVER 210 994000001295DAMPER GEAR ASSY 211996510008376CASS DOOR BOGUS 212996510006662POWER BUTTON 213996510006663PRESET BUTTON 214996510008375PROGRAM/REPEAT BUTTON 215996510008377DISPLAY LENS 219996510008002DBB BUTTON COVER 220996510008003PLAY BUTTON COVER 221996510008004 STOP BUTTON COVER J00199400

15、000448716P FFC 1MM L=170MM J00299651000091417P FLAT FLEX CABLE 1.25mm J00899651000684115P FFC 1mm L260mm J011! 996510000859AC CORD BS APP 2M /05 J011! 996510000909AC CORD VDE APP 2M /12 J011! 996510006948AC CORD CNS APP 1.8M /96 J012996510000910 FM ANT SMF-01T-1.3 L=1.1M S001994000003093CD DOOR SWIT

16、CH 1P1T DTS-03 T001! 996510006839TRANSFORMER EI48 230V /05/12 T001! 996510006651TRANSFORMER EI41 127V/240V /96 Note: Only these parts mentioned in the list are normal service parts. 7-2 7-2 ELECTRICAL PARTS LIST - MAIN BOARD C16996510006833E.CAP 3300UF 25V +-20%VD1994000002836VARICAP DIODE 1SV-149 C

17、F1996510006834DISCRI.FILTER CDA10.7MG46-AVD2994000002836VARICAP DIODE 1SV-149 CF2994000003642CER. FILTER LT10.7MA5-A REDVD3994000004342VARICAP DIODE V101 CF3994000002857CERAMIC FILTER SFU450BVD4994000004342VARICAP DIODE V101 CON3996510005450 SPK JACK PT-22V11AX1994000004551CRYSTAL 16.9344MHZ +-20PPM

18、 CT1994000000254TRIMMER 10PF 6MM (WH) CT2994000000254TRIMMER 10PF 6MM (WH) D6994000003938RECTIFIER DIODE RL-202 D7994000003938RECTIFIER DIODE RL-202 D8994000003938RECTIFIER DIODE RL-202 D9994000003938RECTIFIER DIODE RL-202Note: Only these parts mentioned in the list are F1! 994000000586GLASS FUSE W/

19、LEAD 3.15A/250V normal service parts. IC1996510006827IC (SANYO) LA6541NHL-TE-L-E IC2996500039806IC ET2314 (SOP28) IC3996510006828IC (SANYO) LA9242M-MPB-E IC4996510006829IC (SANYO) LC78602RE-8616 IC5996510006832IC (SANYO) LA1823 JACK1994000004369PHONE JACK TC38-063-05-0 JACK2996510000889PHONE JACK TC

20、38-060-01 RING L001996510006681AM COIL AD/M7 65:20T L1996500039350FM COIL 4.5x2.5T (0.8mm) L7994000003655FM COIL 4.5X3.5T L8994000003655FM COIL 4.5X3.5T Q10996500038609TRANSISTORS 2W 8050C Q11994000004145TRANSISTORS B772Y (160-320) Q12994000004338SMD TRANSISTORS PMBT3904 Q14996510003996TRANSISTORS K

21、TA1273 Q15996500038609TRANSISTORS 2W 8050C Q16996510006831TRANSISTORS 9018F Q17996510006831TRANSISTORS 9018F Q18996510006831TRANSISTORS 9018F Q2996510008369TRANSISTORS MMBT8050D (SOT23) Q20996500038609TRANSISTORS 2W 8050C Q21994000004338SMD TRANSISTORS PMBT3904 Q22994000004145TRANSISTORS B772Y (160-

22、320) Q25994000004338SMD TRANSISTORS PMBT3904 Q3996510008369TRANSISTORS MMBT8050D (SOT23) Q4996510008369TRANSISTORS MMBT8050D (SOT23) Q5996500038609TRANSISTORS 2W 8050C Q7994000004338SMD TRANSISTORS PMBT3904 T2996510006835I.F.T 7mm 660R (RED) T3994000002861I.F.T 7MM A049 (YELLOW) U101994000003636IC D

23、8227 DIP U2994000000253IC (SAMSUNG) KA7808 U33996510003984IC CYT78L05 (TO-92) 8-1 ELECTRICAL PARTS LIST - FRONT BOARD D41996500042438LED LAMP 2x5x7mm (WHITE) L1996510006837AXIAL INDUCTOR 10UH +-10% LCD1996510008371LCD DISPLAY SDH-DA1607-TN-1 Q21994000004338SMD TRANSISTORS PMBT3904 Q26994000004338SMD

24、 TRANSISTORS PMBT3904 Q27994000004338SMD TRANSISTORS PMBT3904 Q6994000003937SMD TRANSISTORS PMBT3906 RE1994000004367OPTIC SENSER FM-6038TM2-5AN SW1996500042444TACT SWITCH 6x6mm 4.3mm SW10996500042444TACT SWITCH 6x6mm 4.3mm SW11996500042444TACT SWITCH 6x6mm 4.3mm SW12996500042444TACT SWITCH 6x6mm 4.3

25、mm SW13996500042444TACT SWITCH 6x6mm 4.3mm SW2996500042444TACT SWITCH 6x6mm 4.3mm SW3996500042444TACT SWITCH 6x6mm 4.3mm SW4996500042444TACT SWITCH 6x6mm 4.3mm SW5996500042444TACT SWITCH 6x6mm 4.3mm SW6996500042444TACT SWITCH 6x6mm 4.3mm SW7996500042444TACT SWITCH 6x6mm 4.3mm SW8996500042444TACT SWITCH 6x6mm 4.3mm SW9996500042444TACT SWITCH 6x6mm 4.3mm U1994000004541IC M24C02-WMN6 U3996510006836MCU GY550 (OTP) XT1994000004616CRYSTAL 4.500MHZ XT2996500042441XTAL 32.768KHZ -20PPM Note: Only these parts mentioned in the list are normal service parts. 8-2