Philips-MC-127-Service-Manual电路原理图.pdf

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1、Version 1.0MC1273141 785 36420CD playback Compact design Micro Hi-Fi System-/05/12Published by SW 1125 Service Audio Subject to modification Copyright 2011 Philips Consumer Electronics B.V. Eindhoven, The NetherlandsAll rights reserved. No part of this publication may be reproduced, stored in a retr

2、ievalsystem or transmitted, in any form or by any means, electronic, mechanical, photocopying,or otherwise without the prior permission of Philips.CONTENTSTechnical specification and disassembly diagrams.1Service and safety instructions.2Block diagram .3-1Wiring diagram .4-1 DISPLAY+ MAIN+ TUNER+ LI

3、NE IN boardCircuit diagram.5-1.5-3 Layout diagram .5-4Power boardCircuit diagram .6-1Layout diagram .6-2Exploded view diagram .7-1Revision list .8-1SET SPECIFICATION 2011-04-01 1 CDSM WITH2 MC1273 General description: MC127- PORTABLE CD SOUNDMACHINE TUNER 1LIFETIME : 5 YEARS (ACC. TO UAN-D1611) 2PER

4、FORMANCE CLASSES : TUNER SUPPLY, AMPLIFIER SPEAKER BOXES RECORDER CLOCK CD DCC TELEPHONE REC. PLAYER I x x x 3 II x 4 III 5 SAFETY REQUIREMENTS: IEC 60065:2001(SEVENTH EDITION)+AI:2005-SAFETY 6 RADIATION, IMMUNITY REQUIREMENTS: (EMC) EN55013:2001+A1:2003+A2:2006;EN55020:2007 EN61000-3-2:2006+A2:2009

5、;EN61000-3-3:2008 EN61000-4-5:2006; EN61000-4-11:2004 7 CLIMATIC REQUIREMENTS: (acc. to UAN-D1590) All climates: -10 C till +50 C (Functional); Set has to be pre-conditioned for 2 hour, except CD function 8 For all measurements: 25 C 9 POWER SUPPLY: MAINS (AC) operation DC (int. or ext.) operation /

6、 Backup Buffer Voltage selection: Battery type: 10Selection: See table below 11Frequency: External DC: No 12POWER CONSUMPTION: Standby: Less than 1W Standby: 13Maximum: 12W Maximum: 14General: Q and R according to production division rules : Q 1% (Major), Q 4% (Minor) Measured according to: R 3% (CE

7、52)DERIVED VERSIONS: APPROBATION 15Version Voltage on typeplate Tolerance Frequency Tuner 93 240V, 50Hz 10% (216V 264V); 50Hz FM, UK REMARKS: 16 TUNER PART TECHNICAL description: SET SPECIFICATION 2011-04-01 1 CDSM WITH2 MC1273 (circuitry) FM (active components) FM RF SI4704 SI4704 1 IF SI4704 SI470

8、4 2 Detector QD 3 Decoder SI4704 4 GENERAL part: WAVE RANGE TOLERANCES TUNING 5 FM 87.5MHz - 0.3 MHz 1MHz 6 108MHz + 0.5 MHz 1MHz 7 8 9 10AERIAL: FM telescope - 540 mm 12FM wire : N/A Execution - Rotational 180 13INDICATORS: Pointer stroke: Execution pointer: 14Knob indication over: Field Strength:

9、15ELECTRICAL DATA: AM: nom. limit FM: nom. limit 16-3dB limiting point 20 26 dBf 17Amplification reserve 0 -4 dB 18AFC holding range - 19Distortion (RF 1mV, f 67.5kHz) 1 7 % 20Stereo -46dB quieting 48 52 2122Cross-talk (RF 1mV, f 40kHz, 1kHz) 25 20 dB 23IF 24wave range Sensitivity for 50mW noise lim

10、ited sensitivity (26dB) Image rejection IF rejection large signal FM nom. 18 24 55 122dBf 25lim. 22 20 50 111dBf 262728293031unit V/m V dBf dBV/mdBf dB dB dB mV/m REMARKS: SUPPLY, AF-AMPLIFIER Short circuit YES 8 Public address No 9 INDICATORS: Output power or VU-meter No 11 Frequency response No 12

11、 Low power (battery) No 13 14 ELECTRICAL DATA: TONE/EQUALIZER/DBB DSC Balance control No 15 Mechanical noise (ISO 1996) 16 Noise overall (ISO) 17 Channel difference at -46dB Type: 3 dB 18 Hum (vol.max.-20dB to vol.min.) Limit: 2mV 19 Residual noise(volume min) Limit: 2mV 20 DBB on (Vol.max.-20dB): 1

12、00Hz, +6dB (2dB) w.r.t. 1kHz at DBB onDBB has no dynamic, fixed to 6dB 21 DBB off (Vol.max.-20dB): 100Hz, -2dB (2dB) w.r.t. 1kHz at DBB on 22 Input sens.:Nom. 500 mV 23 for 50mW Limit: 600 mV 24 Line outp.: Nom. mV 25 voltage Limit: mV 26 OUTPUT POWER: Mains operation: D=10% 2 X 1W 8 Limit: -1dB 27

13、28 Music power (MPO) / (PMPO): (acc. to DIN45324) 29 Short term maximum output power: - (acc. to IEC 60268-15) 30 Long term maximum output power: - (acc. to IEC 60268-15) 31 Headphone output voltage/power: n.a. 32 Bandwidth FTC 1dB at: n.a. (acc. to FTC/16/1/D/432) 33 Bandwidth DIN 3dB at: - (acc. t

14、o IEC 60268-15) 34 Frequency response at Vol. max 20dB: typ. 60Hz to 20kHz (3dB) 35 LOUDSPEAKER (output): Low pass crossover frequency: - kHz tolerance: Hz 36 High pass crossover frequency: - kHz tolerance: Hz 37 Short term maximum output power: - W (acc. to IEC 60268-15) 38 Long term maximum output

15、 power: - W (acc. to IEC 60268-15) 39 Frequency response at: - Hz kHz 41 REMARKS: 27 : Measured in Tuner mode; 28: CD or Tape mode. 42 SET SPECIFICATION 2011-04-01 1 CDSM WITH2 MC1273 TAPE function: (ECO-MTF-PA-SD-MS (FE) Module) General description: 1 2 3 4 5 6 7 8 Mechanical specification: 9 10 11

16、 12 13 14 15 16 17 18 19 20 Indicators: Recording level No 21 Play back level No 22 Tape counter No 23 Electrical data: Bias system FM/AM 24 RIF switch No 25 Erase system FM/AM 26 Erasing damping 27 Channel separation (IEC1) 28 Track separation (IEC1) 29 Frequency response (PB) 30 SNR 250nWb/m 31 Si

17、gnal/hiss 250nWb/m 32 Signal/hum 250nWb/m 33 Channel difference (PB) 34 Distortion 250nWb/m 35 ALC attack time 36 ALC release time 37 Crosstalk Between forward to reverse track 38 REMARKS: 31: * not according to PQR clause 18.5 class I 31: * Chromium performance not fulfilled Amplification Reserve f

18、or Tape = 1dB 2dB For details, please see specification SH-190 of ECO-MTF-PA-SD (3140 117 14890). 39 CD-PART: ( CD MECHAISM-DA11B3VF)(SANYO) 5 Technical description: Input Output Motor/control Logic control 1 SET SPECIFICATION 2011-04-01 1 CDSM WITH2 MC1273 Active components MMSA9258(Mitsumi) SC9640

19、 2 Passive components 3 Signal processing HF-preamplifier Servoprocessor 4 Active components SC9614 SC9614 SC9640 5 Passive components 6 Indicators/Display/Keys: Display: Digits LCD for Track No. display 7 Keys: one 4-position slider switch, 6 tact switches on unit, 6 for CD -: Play, Stop, Previous/

20、Search down, Next/Search up, Program/Program review, CD-modes (Repeat/Shuffle)8 Playability: (acc. To AR 30-05-239) Limit Typical Testdisc 9 Wedge 500 m 700 m TNO 7,9 of SBC 444A (7104 099 24990) 10 Eccentric 150 m 200 m TNO 1,24 of 200m disc (7104 099 24960)11 Fingerprint No audible defect TNO 11of

21、 Subchassis 8A 12 Black dot 500 m 600 m TNO 13 of SBC 444A (7104 099 24990) 13 Skew 0.6mm No audible defect TNO 1,6 of 0.6mm skew (7104 099 28260)14 Bad HF track No audible defect TNO 8 of Subchassis 8A 15 Heavy fingerprint No track jumps/plops TNO 10 of Subchassis 8A 16 Playback position Horizontal

22、, Normal position (Set is located on a flat surface, floor) 17 - Playback of above mentioned tracks possible without track loss or audible defects. 18 - Double black dot, max. diameter, thin/thick disk is according to PQR or AR 30-05-239) - This unit can playback (only) CD-R or CD-RW discs. For perf

23、ormance specification, please refer to module specification of CD99 (3103 308 52190) Shock resistance: (acc. to AR 13-A6-CD-068) Z axis 5 G 19 X or Y axis 5 G m 20 Acoustical noise: Mode: Play/Pause 35 dBA max. (45 dbA in Search mode) 21 Mode: Jump (Next) 45 dBA max. 22 AUDIO part: (Measured with Au

24、dio Signals Disc-1, 7104 078 04911 on Speakers or Headphone socket with nom. load) Typ. Limit 23 Output level (TNO1) 24 SNR unwtd. 60 dB 48 dB 25 SNR wtd. dBA 65 dBA 57 dBA 26 Crosstalk (1kHz) 40 dB 26 dB 27 Crosstalk (10kHz) 30 dB 16 dB 28 Frequency response Vol.max.20dB (DBB on) +9dB +3dB 2dB at 1

25、00Hz 2dB at 10kHz 29 THD (1kHz, -6 dB) 0.2 % 2 % 30 THD (10 kHz, -20 dB) 1 % 3 % 31 Channel difference 2 dB 3 dB 32 Frequency accuracy - +/-0.5 % 33 De-emphasis 15s / 50s Switchable via Subcode information 34 REMARKS: - Amplification reserve for CD = +2dB (2dB); Ref. Level for CD is a 0dB track inst

26、ead of a 6dB track. 35 Feature Specification of MP3 CD CODEC / COMPRESSION Format Compatibility SET SPECIFICATION 2011-04-01 1 CDSM WITH2 MC1273 MP3 X 35 MPEG 2.5 X 36 MP3 Pro X 37 WMA X 38 AAC X 39 Playback CAPACITY Maximum number of tracks per CD X 40 Maximum number of albums per CD X 41 DISC TYPE

27、 CD-RW 42 CD-R 43 8 cm 44 12 cm 45 DISC SIZE (MB) 185 46 225 47 650 48 680 49 700 50 ISO-9660 + Joliet X51 Joliet52 UDF (Direct CD from X53 ID3 X 54 Packet writing X55 Multi-session CDDA X56 Multi-session MP3 X57 Closed session 58 Open session 59 Finalized disc 60 Unfinalized disc 61 CDDA + MP3/WMA

28、X62 MP3/WMA + CDDA X63 MP3/WMA + CDDA + MP3/WMA X 64 CDDA + MP3/WMA + CDDA X 65 Video + CDDA X66 CDDA + Data X67 MP3/WMA + Data X68 SET SPECIFICATION 2011-04-01 1 CDSM WITH2 MC1273 BITRATE (kbps) 64 -192 X70 8 320 X71 Variable X72 Sampling RATE (kHz) 8 X73 11.025 X 74 12 X75 16 X76 22.05 X77 24 X78

29、32 X79 44.1 X80 48 X81 96 X82 UPGRADE ABILITY MP3 X83 MP3 Pro X84 WMA85 AAC X86 SOUND Single Channel 87 Dual Channel 88 Stereo & joint Stereo 89 Intensity Stereo 90 MS Stereo 91 LANGUAGE SUPPORT English X92 Chinese X93 Playlist Compatibility WinAmp94Realjukebox X95 MS Mediaplayer X96 MusicMatch X97

30、2-1LF Generator e.g. PM5110RecorderUse Universal Test Cassette CrO2 SBC419 4822 397 30069LEVEL METERe.g. Sennheiser UPM550with FF-filterS/N and distortion metee.g. Sound Technology ST170LRDUTor Universal Test Cassette Fe SBC420 4822 397 30071LEVEL METERe.g. Sennheiser UPM550with FF-filterS/N and dis

31、tortion metere.g. Sound Technology ST1700BLRDUTCDUse Audio Signal Disc(replaces test disc 3)SBC429 4822 397 30184Bandpass250Hz-15kHze.g. 7122 707 48001LF Voltmetere.g. PM2534DUTS/N and distortion metere.g. Sound Technology ST1700BFrame aeriale.g. 7122 707 89001Tuner AM (MW,LW)To avoid atmospheric in

32、terference 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. PM5326Ri=50:Bandpass250Hz-15kHze.g. 7122 707 48001LF Voltmetere.g. PM2534DUTRF Generator e.g. PM5326S/N and dist

33、ortion metere.g. Sound Technology ST1700BUse a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz).Ri=50:Tuner FMMEASUREMENT SETUPSet remains closed!NYPlay a CD for at least 10 minutesYplayabilityok ?Nplayabilityok ?add Info for customer“SET OK“check playabilityNYplayabilityok ?check playabilitycheck playabilityreturn setCustomer complaint“CD related problem“fast“ lens cleaning123For flap loaders (= access to CD drive possible)cleaning method 4 is recommendedINSTRUCTIONS ON CD PLAYABILITY2 - 2Exchange CDM1 - 4 For description - see following pages