Philips-MCM-204-B-Service-Manual(1) 电路图 维修手册.pdf

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1、 MCM204/all version 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

2、 prior permission of Philips. Published by SL 0830 Service Audio Printed in The Netherlands Subject to modification Micro System Version 1.6 CLASS 1 LASER PRODUCT 3141 785 31326 TABLE OF CONTENTS Page Location of PCBs .1-2 Specifi cations .1-3 Measurement Setup .1-4 Service Aids, Safety Instruction,

3、 etc .1-5 CD Playability Check .1-6 to 1-7 Software Version Checking .2 Set Block Diagram .3 Set Wiring Diagram .4 Main & Power Board.5 Front/MCU Board .6 CD MP3 Board .7 Set Mechanical Exploded View & Parts List .8 Revision List .9 MCM204B/61 RadioFans.CN 收音机爱 好者资料库 CD MP3 Board CD Drive Main Board

4、 Front / MCU Board Power Board LOCATION OF PCBs 1-2 VERSION VARIATIONS Type /Versions: Board in used: MCM204 & MCM204B Service policy MAIN BOARD CD MP3 BOARD POWER BOARD * TIPS : C - Component Lever Repair. M - Module Lever Repair - Used C/M /05 /1296/61 FRONT/MCU BOARD C C x M /77 C/M C C M C/M C C

5、 M C/M C C M C/M C C M RadioFans.CN 收音机爱 好者资料库 1-3 AMPLIFIER Output power .2 x 4W RMS Signal-to-noise ratio. ? 60 dBA (IEC) Frequency response . 125 16000 Hz Impedance loudspeakers .4? CD PLAYER Frequency range . 125 16000 Hz Signal-to-noise ratio. 65 dBA TUNER FM wave range .87.5 108 MHz MW wave ra

6、nge.531 1602 kHz Sensitivity at 75 ? FM 26 dB sensitivity . 20 V MW 26 dB sensitivity .5 mV/m Total harmonic distortion. ? 5% TAPE DECK Frequency response Normal tape (type I).125 8000 Hz (8 dB) Signal-to-noise ratio Normal tape (type I). 40 dBA Wow and flutter. ? 0.4% JIS SPEAKERS Bass reflex syste

7、m Dimensions (w x h x d) .146 x 228 x 160 (mm) GENERAL INFORMATION AC Power.220 230 V / 50 Hz Dimensions (w x h x d) . 146 x 228 x 216(mm) Weight (with/without speakers) . .approx. 4.4 / 2.0 kg Power consumption Active . 30 W Standby . 5 W Eco Power Standby. 1 W Specifications and external appearanc

8、e are subject to change without notice. SPECIFICATIONS RadioFans.CN 收音机爱 好者资料库 LF Generator e.g. PM5110 Recorder Use Universal Test Cassette CrO2SBC419 4822 397 30069 LEVEL METER e.g. Sennheiser UPM550 with FF-filter S/N and distortion meter e.g. Sound Technology ST1700B L R DUT or Universal Test Ca

9、ssette FeSBC420 4822 397 30071 LEVEL METER e.g. Sennheiser UPM550 with FF-filter S/N and distortion meter e.g. Sound Technology ST1700B L R DUT CD Use Audio Signal Disc (replaces test disc 3) SBC429 4822 397 30184 Bandpass 250Hz-15kHz e.g. 7122 707 48001 LF Voltmeter e.g. PM2534 DUT S/N and distorti

10、on meter e.g. Sound Technology ST1700B Frame aerial e.g. 7122 707 89001 Tuner AM (MW,LW) To avoid atmospheric interference all AM-measurements have to be carried out in a Faradays cage. Use a bandpass filter (or at least a high pass filter with 250Hz) to eliminate hum (50Hz, 100Hz). RF Generator e.g

11、. PM5326 Ri=50 Bandpass 250Hz-15kHz e.g. 7122 707 48001 LF Voltmeter e.g. PM2534 DUT RF Generator e.g. PM5326 S/N and distortion meter e.g. Sound Technology ST1700B Use a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz). Ri=50 Tuner FM MEASUREMENT SETU

12、P 1-4 1-5 Service Tools: Universal Torx driver holder .4822 395 91019 Torx bit T10 150mm .4822 395 50456 Torx driver set T6-T20 .4822 395 50145 Torx driver T10 extended .4822 395 50423 Compact Disc: SBC426/426A Test disc 5 + 5A .4822 397 30096 SBC442 Audio Burn-in test disc 1kHz .4822 397 30155 SBC4

13、29 Audio Signals disc .4822 397 30184 Dolby Pro-logic Test Disc .4822 395 10216 SERVICE AIDS GBWARNING All ICs and many other semi-conductors are susceptible to electrostatic discharges (ESD). Careless handling during repair can reduce life drastically. When repairing, make sure that you are connect

14、ed with the same potential as the mass of the set via a wrist wrap with resistance. Keep components and tools also at this potential. ESD CLASS 1 LASER PRODUCT GB Safety regulations require that the set be restored to its original condition and that parts which are identical with those specified, be

15、 used Safety components are marked by the symbol !. Lead free Set remains closed! Standard repair procedure N Y Play a CD for at least 10 minutes Y playability ok ? N playability ok ? add Info for customer SET OK playability ok ? Y N check playability N Y playability ok ? check playability check pla

16、yability EYE-Pattern ok ? N Y check EYE-Pattern replace CD Drive Laser current ok ? N Y check Laser current CD Drive offsets ok ? NY check CD Drive offsets clean the lens check playability return set Customer complaint CD related problem return set return set replace CD Drive return set replace CD D

17、rive return set replace Signal Processor return set fast lens cleaning 1 2 3 4 5 6 7 For flap loaders (= access to CD drive possible) cleaning method 4 is recommended 1 - 7 For description - see following pages INSTRUCTIONS ON CD PLAYABILITY 1-6 1 PLAYABILITY CHECK For sets which are compatible with

18、 CD-RW discs use CD-RW Printed Audio Disc.7104 099 96611 TR 3 (Fingerprint) TR 8 (600 Black dot) maximum at 01:00 playback of these two tracks without audible disturbance playing time for: Fingerprint 10seconds Black dot from 00:50 to 01:10 jump forward/backward (search) within a reasonable time For

19、 all other sets use CD-DA SBC 444A.4822 397 30245 TR 14 (600 Black dot) maximum at 01:15 TR 19 (Fingerprint) TR 10 (1000 wedge) playback of all these tracks without audible disturbance playing time for: 1000 wedge 10seconds Fingerprint 10seconds Black dot from 01:05 to 01:25 jump forward/backward (s

20、earch) within a reasonable time 2 CUSTOMER INFORMATION It is proposed to add an addendum sheet to the set which informs the customer that the set has been checked carefully - but no fault was found. The problem was obviously caused by a scratched, dirty or copy-protected CD. In case problems remain,

21、 the customer is requested to contact the workshop directly. The lens cleaning (method 3) should be mentioned in the addendum sheet. The final wording in national language as well as the printing is under responsibility of the Regional Service Organizations. 3 FAST LENS CLEANING (dry brush) Use lens

22、 cleaning CD SBC AC300.9082 100 00043 Insert the lens cleaning CD, press PLAY and follow the voice guides instructions on the CD. 4 LIQUID LENS CLEANING Because the material of the lens is synthetic and coated with a special anti-reflectivity layer, cleaning must be done with a non-aggressive cleani

23、ng fluid. It is advised to use “Cleaning Solvent B4-No2”, available with codenumber 4822 389 10026. The actuator is a very precise mechanical component and may not be damaged in order to guarantee its full function. Clean the lens gently (dont press too hard) with a soft and clean cotton bud moisten

24、ed with the special lens cleaner. The direction of cleaning must be in the way as indicated in the picture below. Before touching the lens it is advised to clean the surface of the lens by blowing clean air over it. This to avoid that little particles make scratches on the lens. INSTRUCTIONS ON CD P

25、LAYABILITY 1-7 2-12-1 To hold DSC & SKIP NEXT depressed while set on standby Display shows the ROM version VER y.yy MTP xx-xx-2007 V 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. SOFTWARE VERSION CHE

26、CKING 3-13-1 SET BLOCK DIAGRAM SET WIRING DIAGRAM 4-14-1 MAIN & POWER BOARD TABLE OF CONTENTS Layout Top View .5-2 Layout Bottom View .5-3 Circuit Diagram (AF&Power Part).5-4 Circuit Diagram (Tape Part) .5-5 Circuit Diagram (Tuner Part) .5-6 5-15-1 5-25-2 PCB LAYOUT - MAIN & POWER BOARD (TOP VIEW) 5

27、-35-3 PCB LAYOUT - MAIN & POWER BOARD (BOTTOM VIEW) 5-4 5-4 CIRCUIT DIAGRAM - MAIN & POWER BOARD AF & POWER PART 5-5 5-5 CIRCUIT DIAGRAM - MAIN BOARD TAPE 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 Diagra

28、m .6-4 6-16-1 6-2 PCB LAYOUT - FRONT/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 CD MP3 BOARD TABLE OF CONTENTS CD MP3 PCB - Layout Top View .7-2 CD MP3 PCB - Layout Bottom View .7-3 CD MP3 PCB - Circuit Diagram .7-4 CD MP3 PC

29、B - USB Part Circuit Diagram.7-5 7-17-1 7-2 PCB LAYOUT - CD MP3 BOARD (TOP VIEW) 7-2 7-3 PCB LAYOUT - CD MP3 BOARD (BOTTOM VIEW) 7-3 7-4 PCB LAYOUT - CD MP3 BOARD 7-4 7-5 PCB LAYOUT - CD MP3 BOARD USB PART 7-5 8-18-1 37 34 38 37 42 41 25 40 30 31 9 12 21 25 26 27 10 16 11 22 35 43 39 20 SET MECHANIC

30、AL EXPLODED VIEW MECHANICAL & ACCESSORIES PARTS LIST 2996510000877SINGLE SPK BOX ASSY 9!996510000902TRANSFORMER 230V T08405A 10994000005398CD MECHANISM DA11B3VF 11994000002354CD DOOR SWITCH DLS-02-W-1 12996510000904RUBBER FOOT 16996510000905CD DOOR SPRING 20996510000906FRONT CABINET 20996510005454FR

31、ONT CABINET /77/96 21996510000907REAR CABINET 21996510006554REAR CABINET /77/96 22996510000908CD DOOR 23!996510000909AC CORD VDE APP 2M /12 23!996510001471AC CORD IRAM PLUG VDE /77/96 23!996510000859AC CORD BS APP 2M /05 J010996510000910FM ANT SMF-01T-1.3 L=1.1M J011994000001192AM LOOP ANTENNA LAN-0

32、31 25994000001295DAMPER GEAR ASSY 26996510000911CD DAMPER-BLACK 27996510000912CD DAMPER-GREY 2899651000091312P FFC CABLE 1mm L200mm 2999651000091417P FFC CABLE 1.25mm 30996510000915CASS DECK CS-21SC-820DTS 31996510000916RECORD ARM 32996510000917CASS SPRING 34996510000919CASSETTE DOOR 35996510000920C

33、D TRAY 37996510000921CASS KEY DOOR 38996510000922VOL KNOB 38996510005456VOL KNOB /77/96 39996510000923POWER BUTTON 40996510000924CONTROL KEYS 41996510000925CASS KEY WITH HOLDER 42996510000926DISPLAY LENS 42996510005457DISPLAY LENS /77/96 43996510000927STANDBY LIGHT GUIDE 43996510005458STANDBY LIGHT

34、GUIDE /77/96 44996510005452REMOTE CONTROL CN70199651000090316P FFC L=110mm S001994000002354CD DOOR SWITCH /77/96 Note: Only these parts mentioned in the list are normal service parts. 8-2A 45 996510001482 CD MP3 BOARD ASSY 46 996510001494 MAIN BOARD ASSY MECHANICAL & ACCESSORIES PARTS LIST (ONLY FOR

35、 MCM204/61 & MCM204B/61) 10994000005398CD MECHANISM DA11B3VF 11994000002354CD DOOR SWITCH DLS-02-W-1 12996510000904RUBBER FOOT 16996510000905CD DOOR SPRING 20996510005454FRONT CABINET 21996510005455REAR CABINET 22996510001010CD DOOR 23996510005453AC CORD KS APP 1.92M /MCM204/61 23996510007312AC CORD

36、 KS APP 1.92M /MCM204B/61 24996510000910FM ANT SMF-01T-1.3 L=1.1M 25994000001295DAMPER GEAR ASSY 26996510000911CD DAMPER-BLACK 27996510000912CD DAMPER-GREY 30996510000915CASS DECK CS-21SC-820DTS 31996510000916RECORD ARM 32996510000917CASS SPRING 34996510001002CASSETTE DOOR 35996510001009CD TRAY 3799

37、6510001003CASS KEY DOOR 38996510005456VOL KNOB 39996510001005POWER BUTTON 40996510001007CONTROL KEYS 41996510001008CASS KEY WITH HOLDER 42996510005457DISPLAY LENS /MCM204/61 42996510010342DISPLAY LENS /MCM204B/61 43996510005458STANDBY LIGHT GUIDE 44996510005452REMOTE CONTROL MCM204 J001996510005460S

38、PK CORD L1.5M #22UL2468 T001! 996510000902TRANSFORMER 230V T08405A CN70199651000090316P FFC L=110mm 99651000091312P FFC 1mm L200mm 99651000091417P FFC 1.25mm 996510000918CASSETTE KEY COVER SPRING 994000001192AM LOOP ANTENNA LAN-031 996510005459SINGLE SPK BOX MCM204/61 Note: Only these parts mentione

39、d in the list are normal service parts. 8-2B 45 996510001482 CD MP3 BOARD ASSY 46 996510001494 MAIN BOARD ASSY ELECTRICAL PARTS LIST - MAIN BOARD C16994000001205E.CAP 3300UF 35V +-20%Q22996510000878TRANSISTORS SPD09P06PL C220994000004351TRIMMER 20PF 6mm (RED)Q23994000005384TRANSISTOR KTK161GR C22599

40、4000004351TRIMMER 20PF 6mm (RED)Q24996500038609TRANSISTOR 2W 8050C C236994000000254TRIMMER 10PF 6mm (WH)Q25994000004338TRANSISTOR PMBT3904 CF2994000003642CERAMIC FILTER LT10.7MA5-A Q28994000004338TRANSISTOR PMBT3904 CF5994000002857CERAMIC FILTER SFU450BQ32994000004338TRANSISTOR PMBT3904 CF6996510000

41、343CER. DISCRIMINATOR JT10.7MG77Q5996500038609TRANSISTOR 2W 8050C CON3994000004547SPK JACK MSP-134V-05 LFQ511994000004338TRANSISTOR PMBT3904 D51994000004341DIODE BAV99LQ512996500038609TRANSISTOR 2W 8050C D52994000002836VARICAP DIODE 1SV-149Q7994000004338TRANSISTOR PMBT3904 D53996510000879VARACTOR DIODE SVC201SPAQ8994000001194TRANSISTOR KSD882Y D54996510000879VARACTOR DIODE SVC201SPAQ999650003860