Philips-MCM-148-Service-Manual(1) 电路图 维修手册.pdf

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1、 MCM148/55/77 Copyright 2008 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 prior

2、 permission of Philips. Published by SL 0837 Service Audio Printed in The Netherlands Subject to modification Micro System Version 1.2 CLASS 1 LASER PRODUCT 3141 785 32032 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/MCU Board .6 Set Mechanical Exploded View & Parts List .7 Revision List .9 Electrical Parts List .8 RadioFans.CN 收音机爱 好者资料库 PCBS LOCATION FRONT BOARD MAIN BOARD 1-2 RadioF

4、ans.CN 收音机爱 好者资料库 1-3 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.530 1700 kHz Sensitivity

5、FM 26 dB sensitivity . 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. 110 127 / 220 240 V . 50/60 Hz, switchable Dimensions (w x h x d) .148 x 233 x 216 (mm) Weight (with/without

6、 speakers) . . approx. 3.65 / 1.53 kg Power consumption 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 BC8

7、47B 7878 BC847B 7876 4n7 2813 3896 100R 220u 2885 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 ISLIC

8、E LDON D1 D2 D3 D4 HFIN HFREF IREF CD_DA: 0V / 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 DBB & SKIP NEXT depressed SOFTWARE VERSION CHECKING Set on Standby. Y N Y N Button pressed? 9 Button pressed? DISPLAY TEST Disp

9、lay shows all patterns SKIP NEXT Display shows NEW SOFTWARE RESET VER refers to Version y.yy refers to Software version number of the uProcessor (counting up from 01 to 99) xx refers to date number of the production. Display shows the MCU software version VER y.yy MTP xx-xx-2007 3-13-1 SET BLOCK DIA

10、GRAM FRONT/MCU SET WIRING DIAGRAM 4-14-1 MAIN BOARD TABLE OF CONTENTS Layout Top View .5-2 Layout Bottom View .5-3 Circuit Diagram (AF&Amp Part) .5-4 Circuit Diagram (CD&MP3 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 (

11、BOTTOM VIEW) 5-4 5-4 CIRCUIT DIAGRAM - MAIN & POWER BOARD AF & AMP PART 5-5 5-5 CIRCUIT DIAGRAM - MAIN BOARD CD & MP3 PART 5-65-6 CIRCUIT DIAGRAM - MAIN BOARD TUNER PART FRONT/MCU 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/

12、MCU BOARD (TOP VIEW) 6-2 6-3 PCB LAYOUT - FRONT/MCU BOARD (BOTTOM VIEW) 6-3 6-4 CIRCUIT DIAGRAM - FRONT/MCU BOARD 6-4 104 108 115 101 115 111 117 113 130 116 131 114 112 103 106 80 T101 102 SET MECHANICAL EXPLODED VIEW 7 - 1 7 - 1 MECHANICAL & ACCESSORIES PARTS LIST 7-2 2996510014853SINGLE SPK BOX /

13、77/55 5996510006668REMOTE CONTROL 80994000005398CD MECHANISM DA11B3VF 101996510006654FRONT CABINET(ABS) 102996510006655REAR CABINET-343g 103996510006656CD TRAY103996510006656CD TRAY 104996510006659VOL COSMETIC COVER 105996510006667SPK GRILL 106996510006657CD DOOR 107994000004392LASER COVER (FOR SANY

14、O CD) 108996510006660VOL BUTTON COVER 109996510006658KEYS COVER 110994000001295DAMPER GEAR ASSY 111996510006661CASS DOOR BOGUS 112996510006662POWER BUTTON 113996510006663PRESET BUTTON 114996510006664MODE PROG BUTTON 115996510006665DISPLAY LENS (SAN) 116996510007596PLAY BUTTON COVER 117996510007595ST

15、OP BUTTON COVER 119996510000911CD DAMPER-BLACK 120996510000912CD DAMPER-GREY 125994000003674CD DOOR SPRING 130996510007570SOURCE BUTTON COVER /55 130996510014852SOURCE BUTTON COVER /77130996510014852SOURCE BUTTON COVER /77 131996510007571DBB BUTTON COVER J00199400000448716P FFC 1MM L=170MM J00299651

16、000860817P FLAT FLEXCBL 1.25mm L100mm J006!996510006653AC CORD VDE/BRAZIL APP 1.83M /55 J006!996510001471AC CORD IRAM PLUG VDE /77 J007996510000910FM ANT SMF-01T-1.3 L=1.1M J0089965100066527P FFC 1MM L=150MM (AB) J010!994000001478AC PLUG ADAPTOR S001994000003093CD DOOR SWITCH 1P1T DTS-03 S0029940000

17、04376SWITCH SL14-22AH-5AN T001!996510006651TRANSFORMER EI41 127/240V Note: Only these parts mentioned in the list are normal service parts. ELECTRICAL PARTS LIST - MAIN BOARD C220994000004351TRIMMER 20PF 6MM (RED)U11996510000881IC TB2132FNG C225994000004351TRIMMER 20PF 6MM (RED)U2994000004532IC KA78

18、08E C236994000000254TRIMMER 10PF 6MM (WH)U33996510000880IC LM78L08 CF2994000003642CER. FILTER LT10.7MA5-A REDU801996510006679IC (SANYO) LC786921W-UPHI-E CF5996510006680CER. FILTER SFU450BX6994000004352CRYSTAL 75KHZ 12.5PF DT-381 CF6994000004353DISC. FILTER JT10.7MG77-AX801994000004551CRYSTAL 16.9344

19、MHZ +-20PPM CON3996510005450SPK JACK PT-22V11A D52994000002836VARICAP DIODE 1SV-149 D53996510000879VARACTOR DIODE SVC201SPA D54996510000879VARACTOR DIODE SVC201SPA D55994000002836VARICAP DIODE 1SV-149Note: Only these parts mentioned in the list are D6994000003938RECTIFIER DIODE RL-202 normal service

20、 parts. D7994000003938RECTIFIER DIODE RL-202 D8994000003938RECTIFIER DIODE RL-202 D9994000003938RECTIFIER DIODE RL-202 F1994000000586GLASS FUSE W/LEAD 3.15A/250V FMANT1 996510002038FM ANT CONTACT PIN IC2996500039806IC ET2314 (SOP28) IC802994000004622IC LA6548NH JACK1994000004369PHONE JACK TC38-063-0

21、5-0 JACK2996510000889PHONE JACK TC38-060-01 RING L28996510000887FM COIL 3x19.5T L29996510000888FM COIL 5x3.5T L30994000003646AXIAL INDUCTOR 10UH 10% 500MA L31996500039350FM COIL 4.5x2.5T (0.8mm) L32996510000888FM COIL 5x3.5T L801996510000900AXIAL INDUCTOR 22UH +-10% Q10996500038609TRANSISTORS 2W 805

22、0C Q11994000001193TRANSISTORS KSB772YS Q12994000004338SMD TRANSISTORS PMBT3904 Q17994000004338SMD TRANSISTORS PMBT3904 Q18994000004338SMD TRANSISTORS PMBT3904 Q2994000004338SMD TRANSISTORS PMBT3904 Q22994000001193TRANSISTORS KSB772YS Q24996500038609TRANSISTORS 2W 8050C Q25994000004338SMD TRANSISTORS

23、 PMBT3904 Q3994000004338SMD TRANSISTORS PMBT3904 Q4994000004338SMD TRANSISTORS PMBT3904 Q5996500038609TRANSISTORS 2W 8050C Q7994000004338SMD TRANSISTORS PMBT3904 Q702994000001193TRANSISTORS KSB772YS T001996510006681AM COIL AD/M7 65:20T T2994000004356I.F.T 7MM 7AC-249S0 (YELLOW) T22994000004357I.F.T

24、7MM 7AL-272HM (RED) U101994000003636IC D8227 DIP 8-1 ELECTRICAL PARTS LIST - FRONT/MCU BOARD D001996510006683LCD DISPLAY D39996500042437CH-DIODE SS14 SMA/DO-214AC D5996500042438LED LAMP 2x5x7mm (WHITE) Q14994000003937SMD TRANSISTORS PMBT3906 Q15994000004338SMD TRANSISTORS PMBT3904 Q33994000004338SMD

25、 TRANSISTORS PMBT3904 REM2994000004367OPTIC SENSER FM-6038TM2-5AN SW1996500042444TACT SWITCH 6x6mm 4.3mm SW10996500042444TACT SWITCH 6x6mm 4.3mm SW11996500042444TACT SWITCH 6x6mm 4.3mm SW12996500042444TACT SWITCH 6x6mm 4.3mm SW13996500042444TACT SWITCH 6x6mm 4.3mm SW2996500042444TACT SWITCH 6x6mm 4.

26、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 U10996510006682MCU GY39

27、0 (FLASH) U8994000001236IC M24C01-WMN6 U9994000002839IC LM1117S-3.3 X3994000004615CRYSTAL 32.768KHZ 12.5PF X4996500039820CRYSTAL 10MHz 49/US Note: Only these parts mentioned in the list are normal service parts. 8-2 9-1 REVISION LIST 1.0 Manual 3141 785 32030 Initial Service Manual released. 1.1 Man

28、ual 3141 785 32031 In this version, version /77 added. 1) Page 7-2 Mechanical & Accessories Parts List updated. 1.1 Manual 3141 785 32032 In this version, combine /77 & /55 speaker box to one P/N. 1) Page 7-2 Mechanical & Accessories Parts List updated. delete: 2 996510006666 SPK BOX PART MCM148/55 keep: 2 996510014853 SINGLE SPK BOX /77/55