Philips-MCM-169-Service-Manual(1) 电路图 维修手册.pdf

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1、Version 1.3 MCM169 3141 785 33803 Micro Hi-Fi System -/12/96 Published by LX 1047 Service Audio Subject to modification Copyright 2009 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 tran

2、smitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise without the prior permission of Philips. CONTENTS Technical specification .1-2 Version variation.1-2 Service measurement setup.1-3 Service aids .1-4 Instructions on CD playability .2-1. 2-2 Block diagram .3-1 Wi

3、ring diagram .4-1 Disassembly diagram. .5-1 Main board Circuit diagram .6-1.6-3 Layout diagram .6-4.6-5 MCU board Circuit diagram .7-1 Layout diagram .7-2.7-3 Front board Circuit diagram .8-1 Layout diagram .8-2.8-3 Exploded view diagram .9-1 Mechanical parts list .9-2 Electrical parts list.10-1.10-

4、3 RadioFans.CN 收音机爱 好者资料库 Amplifier Rated Output Power2X5W RMS Frequency Response60 - 16kHz, 3dB Signal to Noise Ratio65dB t u p n I xuA0.5V RMS 20kohm Disc epyTre s a LSemiconductor Disc Diameter12cm/8cm c s iDt roppuSCD-DA, CD-R, CD-RW, MP3-CD,WMA-CD CADo i duA24Bits / 44.1kHz Total Harmonic Disto

5、rtion65dBA Tuner egnaRgn i nuTFM: 87.5 - 108MHz; MW: 531 - 1602kHz d i r ggn i nuT50KHz (FM); 9KHz (MW) FM Sensitivity - Mono, 26dB S/N Ratio - Stereo, 46dB S/N Ratio 22 dBf 28dBf Total Harmonic Distortion55dB Speakers Speaker Impedance4ohm Speaker Driver3.5”woofer+0.8” tweeter y t i v i t i sneS82d

6、B/m/W General information rewopCA220 - 230V, 50Hz Operation Power Consumption20W Standby Power Consumption4W Eco Standby Power Consumption2W t ce r i DBSUVersion 2.0/1.1 Dimensions - Main Unit (W x H x D) - Speaker Box (W x H x D) 147 x231 x 209 mm 134 x 233 x 153 mm Weight -With Packing - Main Unit

7、 - Speaker Box 4.75 kg 1.95 kg 2 x 1.2 kg TECHNICAL SPECIFICATION 1 - 2 Type /Versions: Features Board in used: MCM169 Service policy FRONT BOARD MAIN BOARD * TIPS : C - Component Lever Repair. M - Module Lever Repair - Used /05/12/55 89/16/85/ Feature diffrence RDS & DAB VOLTAGE SELECTOR ECO STANDB

8、Y - DARK Type /Versions: MCM169 /05/12/55 89/16/85/ VERSION VARIATION 39/ 39/ C C MCU BOARDC RadioFans.CN 收音机爱 好者资料库 1-3 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 mete e.g. Sound Techno

9、logy ST170 L R DUT or Universal Test Cassette 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 Vol

10、tmeter e.g. PM2534 DUT S/N and distortion 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 elimin

11、ate hum (50Hz, 100Hz). RF Generator e.g. 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,

12、 38kHz). Ri=50? Tuner FM MEASUREMENT SETUP RadioFans.CN 收音机爱 好者资料库 1-4 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 connected with t

13、he 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 used Saf

14、ety components are marked by the symbol !. Lead free Set remains closed! N Y Play a CD for at least 10 minutes Y playability ok ? N playability ok ? add Info for customer SET OK check playability N Y playability ok ? check playability check playability return set Customer complaint CD related proble

15、m fast lens cleaning 1 2 3 For flap loaders (= access to CD drive possible) cleaning method 4 is recommended INSTRUCTIONS ON CD PLAYABILITY 2 - 1 Exchange CDM 1- 4 For description - see following pages 1 PLAYABILITY CHECK For sets which are compatible with CD-RW discs use CD-RW Printed Audio Disc.71

16、04 099 96611 TR 3 (Fingerprint) TR 8 (600 Black dot) maximum at 01:00 playback of these two tracks without audible disturbance playing time for: Fingerprint10seconds Black dot from 00:50 to 01:10 jump forward/backward (search) within a reasonable time For all other sets use CD-DA SBC 444A.4822 397 3

17、0245 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 wedge10seconds Fingerprint10seconds Black dot from 01:05 to 01:25 jump forward/backward (search) within a reasonable time 2 CUSTOMER INFO

18、RMATION 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, the customer is requested to contact the works

19、hop 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. 4 LIQUID LENS CLEANING Because the material of the lens is synthetic and coated with a s

20、pecial anti-reflectivity layer, cleaning must be done with a non-aggressive cleaning fluid. It is advised to use “Cleaning Solvent 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 so

21、ft and clean cotton bud moistened 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

22、 the lens. INSTRUCTIONS ON CD PLAYABILITY 2 - 2 1-3 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 mete e.g. Sound Technology ST170 L R DUT or Universal Test Cassette FeSBC420 4822 397 30071

23、 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 distortion meter e.g. Sound Technology

24、 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. PM5326 Ri=50? Bandpass 250Hz

25、-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 SETUP 1-4 SERVICE AIDS GBWARNING

26、 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 connected with the same potential as the mass of the set via a wrist wrap with resistance. Keep components an

27、d 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 used Safety components are marked by the symbol !. Lead free Set remains closed! N Y Play a CD for at

28、 least 10 minutes Y playability ok ? N playability ok ? add Info for customer SET OK check playability N Y playability ok ? check playability check playability return set Customer complaint CD related problem fast lens cleaning 1 2 3 For flap loaders (= access to CD drive possible) cleaning method 4

29、 is recommended INSTRUCTIONS ON CD PLAYABILITY 2 - 1 Exchange CDM 1- 4 For description - see following pages 1 PLAYABILITY CHECK For sets which are compatible with 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 t

30、racks without audible disturbance playing time for: Fingerprint10seconds Black dot from 00:50 to 01:10 jump forward/backward (search) within a reasonable time For 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 o

31、f all these tracks without audible disturbance playing time for: 1000 wedge10seconds Fingerprint10seconds Black dot from 01:05 to 01:25 jump forward/backward (search) within a reasonable time 2 CUSTOMER INFORMATION It is proposed to add an addendum sheet to the set which informs the customer that th

32、e 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, the customer is requested to contact the workshop directly. The lens cleaning (method 3) should be mentioned in the addendum sheet. The fin

33、al wording in national language as well as the printing is under responsibility of the Regional Service Organizations. 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 cleaning fluid. I

34、t is advised to use “Cleaning Solvent 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 moistened with the special lens cleaner. The direction of cleaning mu

35、st 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 PLAYABILITY 2 - 2 BLOCK DIAGRAM PICK-UP MECHA SANYO : DA-11B3VF

36、 4CH MOTOR DRIVER (BA5826) ROHM RF AMP+SSP+DSP (BU9543) Tuner IC TB2132 MCS LOGIC BX8805 MP3/WMA D/E + MCU +USB/CARD SOUND CONTROL SW+VOL+EQ (ET2314) POWER AMP TFA9842BJ 2x5W MP3 LINE KEY & REMOCON DISPLAY LCD NOR FLASH SST39VF800A SDRAM 16Mbit LCD DRIVER HT1622 OR ET8862 USB Socket RTC HT1381 4-1 W

37、IRING DIAGRAM 4-2 FRONT BOARD MCU BOARD MAIN BOARD ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? CIRCUIT DIAGRAM - MAIN BOARD AF/AMP PART 6-16-1 CIRCUIT DIAGRAM - MAIN BOARD CD PART 6-26-2 CIRCUIT DIAGRAM - MAIN BOARD TUNER PART 6-36-3 LAYOUT DIAGRAM - MAIN BOARD TOP SIDE 6-46-4 LAYOUT DIAGRAM - MAIN BOARD BOTTOM S

38、IDE 6-56-5 CIRCUIT DIAGRAM - MCU BOARD 7-17-1 7-27-2 LAYOUT DIAGRAM - MCU BOARD TOP SIDE LAYOUT DIAGRAM - MCU BOARD BOTTOM SIDE 7-37-3 8-18-1 CIRCUIT DIAGRAM - DISPLAY BOARD 8-28-2 LAYOUT DIAGRAM - DISPLAY BOARD TOP SIDE 8-38-3 LAYOUT DIAGRAM - DISPLAY BOARD BOTTOM SIDE SET EXPLODED VIEW DIAGRAM 9-1

39、9-1 9 - 2 MECHANICAL PARTSLIST (for -/12/96) 0080994000005398CD MECHANISM DA11B3VF 0104996510008651RUB FOOT DIA10mm T=4mm (GREY) (only for -/12) 0109994000003674CD DOOR SPRING (only for -/96) 0120996510020788FRONT CABINET 0121996510020785REAR CABINET (only for -/12) 0121996510024806REAR CABINET (onl

40、y for -/96) 0122996510020792CD TRAY 0123996510020762AC CORD BRACKET 0124996510018975LEFT KEY BRACKET 0125996510018976RIGHT KEY BRACKET 0126996510020789VOL ROTARY KNOB 0127996510020784CD DOOR 0128996510020776CAMOUFLAGE DOOR 0129996510020769USB DECORATE PLATE 0130996500039787LASER COVER (FOR SANYO CD)

41、 0131996510020777PLAY KEY 0132996510020782STOP KEY 0133996510020763REVIEW KEY 0134996510020768NEXT KEY 0135996510020781VOL ROTRAY COVER 0136994000001295DAMPER GEAR ASSY 0137996510020765STANDBY KAY 0138996510020766SOURCE KEY 0139996510020764PRESET - 0140996510020773PRESET +0140996510020773PRESET + 01

42、41996510020791ROTARY DECORATE RING 0142996510020767DISPLAY LENS 1111994000003673AC SOCKET TC08-115-02 1112994000001192AM LOOP ANTENNA LAN-031 1113! 994000003633AC CORD SET VDE APP 6FT (only for -/12) ACL! 994000003869AC CORD SET CNS APP 2M (only for -/96) J00199651002078714P FFC.1mm L=130mm J0029940

43、0000448716P FFC 1MM L=170MM J005996510018969FM ANT L=1.5M T001! 996510029556TRANSFORMER VDE 230V (only for -/12) T001! 996510024803TRANSFORMER VDE EI57 127/240V (only for -/96) ACCESSORIES J006996510002103CONN. CORD 3.5 ST/PLUGx2 500mm RC996510020786REMOTE CONTROL SK996510040164SINGLE SPEAKER BOX L/

44、R Note:Only these parts mentioned in the list are normal service parts. ELECTRICAL PARTSLIST (only for -/12) MAIN BOARD ASSEMBLY CON703996510005450SPK JACK PT-22V11A F401! 994000000586GLASS FUSE W/LEAD 3.15A/250V IC701996500039806IC ET2314 (SOP28) IC801996510012556IC XC6214P332 JACK1994000004369PHONE JACK TC38-063-05-0 Q17996510010292SMD TRANSISTORS MMBT3904 Q2996510005251MOSFET TRANSISTORS 2SK161-Y Q404996510000878TRANSISTORS SPD09P06PL Q871996510000319SMD TRANSISTORS FDN338P S