Philips-AZ250-cd-sm 维修电路原理图.pdf
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1、Version 1.0 3141 785 37410CD SoundmachinePublished by LZ 1207 Subject to modificationCopyright 2012 Philips Consumer Electronics B.V. Eindhoven, The NetherlandsAll rights reserved. No part of this publication may be reproduced, stored in a retrievalsystem or transmitted, in any form or by any means,
2、 electronic, mechanical, photocopying,or otherwise without the prior permission of Philips.CONTENTSBlock diagram.3-1Wiring diagram .3-2Circuit Diagram Layout diagram MAIN BOARD Layout.5-1 5-2Technical Specification.1-1.1-4Safety Instruction.2-2AZ250/12KEY Layout.5-3Explode Drawing.6-1Version Variati
3、on.2-1Main + KEY board.4-1Main board.4-2 AMP BOARD Layout.5-4 5-5RadioFans.CN 收音机爱 好者资料库TECHNICAL SPECIFICATION1-1General description: 1LIFETIME : 5 YEARS (ACC. TO UAN-D1611) 2PERFORMANCE CLASSES : TUNER SUPPLY, AMPLIFIERSPEAKERBOXES RECORDER CLOCK CD DCC TELEPHONE REC. PLAYER Ix x 3 II x 4 III 5 SA
4、FETY REQUIREMENTS: EN 60065 (IEC 65) CE , UL approbation for version 37 6RADIATION, IMMUNITY REQUIREMENTS: (EMC/FCC) EN55013, EN55020 .FOR VERSION 05/12/79/98 FCC FOR /37 VERSION .7CLIMATIC REQUIREMENTS: (acc. to UAN-D1590) All climates: -10 ?C till +50 ?C (Functional); Set has to be pre-conditioned
5、 for 2 hour, except CD function 8For all measurements: 25 ?C9POWER SUPPLY: MAINS (AC) operation DC (int. or ext.) operation / Backup Buffer Voltage selection: See table below Battery type: AA, C-cell x 6; nom.: 9V minimum operating voltage : 6.3V for CD 10 Selection: See table below Lifetime: CD ?ho
6、urs (400mW, AA ? alkaline batteries) 11 Frequency: See table below External DC: No12 POWER CONSUMPTION: Standby: ?0.5W typ. 3 W (power off mode) Standby: 0nW (power off mode) 13 Maximum: 6 W Maximum: 14 General:Q and R according to production division rules : Q 1% (Major), Q 4% (Minor) Measured acco
7、rding to: R 3% (CE52) DERIVED VERSIONS: APPROBATION 15 VersionAC Voltage/ Frequency on typeplate SafetyTolerance 12 100-240VAC/ 50/60HZ+/-10% 05 100-240VAC/50/60HZ+/-10% 37 120VAC/ 60HZ+/-10% REMARKS: For operation and thermal stability test : AC/DC SWITCHIG ADAPTER INPUT:100-240VAC 16 RadioFans.CN
8、收音机爱 好者资料库1-2TECHNICAL SPECIFICATIONSUPPLY, AF-AMPLIFIER & LOUDSPEAKER PART:TECHNICAL description: Power supply Tone Control AF-Amplifier Loudspeaker Active components CD2822 1 Passive components 1 W, 8ohm 2 3 GENERAL part: Headphone type None 4 Loudspeaker filter, high pass None 5 Loudspeaker filte
9、r, low pass None 6 Power stage protection AC NO; DC - NO; Temperature YES; Short circuit NO 7 Public address No 8 INDICATORS: Output power or VU-meter No : digits: 9 Frequency response No : digits: 10 Low power (battery) No 11 ELECTRICAL DATA: TONE/EQUALIZER/DBB Balance control No 12 Mechanical nois
10、e (ISO 1996) 13 Noise overall (ISO) 14 Channel difference at 50mW 15 Hum (vol.max.-20dB to vol.min.) Limit: 250 nW 16 Residual noise (volume minimum) Limit: 100 nW 17 Input sens.: Nom. 500mV mV for 50mW Limit: mV Line outp.: Nom. mV voltage Limit: mV OUTPUT POWER: Mains operation: D=10% 1W ?Limit: -
11、 18 Battery operation: D=10% 1W ?Limit: - 19 Music power (MPO) / Peak-MPO (PMPO): (acc. to DIN45324) 20 Short term maximum output power: -1*1.2W (acc. to IEC 60268-15) 21 Long term maximum output power: - (acc. to IEC 60268-15) 22 Headphone output voltage/power: 23 Bandwidth FTC 1dB at: n.a. (acc. t
12、o FTC/16/1/D/432) 24 Bandwidth DIN 3dB at: - (acc. to IEC 60268-15) 25 Frequency response at Vol. max 20dB: typ. 60Hz to 16kHz (?3dB) 26 DBB raise level 4db at125hz vol max-20db Disc SBC429 Track 12 LOUDSPEAKER (output): Low pass crossover frequency: - kHz tolerance: Hz 27 High pass crossover freque
13、ncy: - kHz tolerance: Hz 28 Short term maximum output power: - W (acc. to IEC 60268-15) 29 Long term maximum output power: - W (acc. to IEC 60268-15) 30 Frequency response at: - Hz kHz 31 REMARKS: 27 : Measured in Tuner mode; 28: CD or LINE IN mode. 321-3TECHNICAL SPECIFICATIONCD-PART:(SANYO DA11VF
14、CD MECHANISM) (BALL type) Technical description: Input Output Motor/control Logic control 1 Active components TA2157F TC94A29FAG-018 2 Passive components 3 Signal processing D/A converter HF-preamplifier Servo processor 4 Active components CD: TC94A29FAG-018 CD: TC94A29FAG-018 D9258PH 5Passive compo
15、nents 6 Indicators/Display/Keys: Display: 7Keys: Slide switches & tact switches8Playability: (acc. to AHR-82-Gbu-00-4201) Limit Typical Testdisc 9 Wedge 600 ?m 900 ?mTNO 7,9 of SBC 444A (7104 099 24990) 10Eccentric 150 ?m 200 ?m TNO 1,24 of 200?m disc (7104 099 24960) 11FingerprintNo audible defect
16、TNO 11of Subchassis 8A 12 Black dot 500 ?m 600 ?mTNO 13, 14 of SBC 444A (7104 099 24990) 13Double black dot No failure TNO 9 of Subchassis 8A 14 Skew 0.6 deg, 8cm No audible defect TNO 1,6 of 0.6deg C, 8cm skew disc15Bad HF track No audible defect TNO 8 of Subchassis 8A 16 Heavy fingerprint No track
17、 jumps/plops TNO 10 of Subchassis 8A 17 Maximum diameter No audio effect Last TNO of Subchassis 8A 18 Thick disc No failure Thick test disc 19 Thin disc No failure Thin test disc 20 Vertical deviation disc No failure TNO 1,16 of ABEX TCD-732RA (VDD +/- 0.5mm) 21Playback position Horizontal, Normal p
18、osition (Set is located on a flat surface, floor) 22 - Playback of above mentioned tracks possible without track loss or audible defects. 23 - This unit can playback CD-R or CD-RW discs. Shock resistance: (acc. to AR 13-A6-CD-068) ? Z axis 5 G 24? X or Y axis 5 G 25Acoustical noise: Mode: Play/Pause
19、 35 dBA max. (45 dbA in Search mode) 26 Mode: Jump (Next) 45 dBA max. 27 Acoustic feedback: Acoustical feedback is not allowed. Test disc TNO 2,6,11,18,19,20 of SBC444 , 10% THD o/p , DBB on AUDIO part: (Measured with Audio Signals Disc-1, 7104 078 04911 on Speakers or Headphone socket with nom. loa
20、d) Typ. Limit Output level (TNO1) 3.1V 28 SNR unwtd. 60 dB 50 dB 29 SNR wtd. dBA 62 dBA 57 dBA 30 Crosstalk(1kHz) TNO 67, 71 35 dB 30 dB 31 Crosstalk(other range) TNO 66 73 (16 TO 16KhZ) 35 dB 30 dB 32Frequency response Vol.max.20dB(DBB on) -1.5dB -1dB ?2dB at 100Hz ?2dB at 10kHz 33Frequency respons
21、e (+/- 3dB) 10010k80 Hz 12.5 kHz 34THD(1kHz, 0 dB) 1% 1.5 % 35 THD(overall frequency response range, 0dB) 2 % 3 % 36 Channel difference 0 37 Frequency accuracy - +/-0.5 % 38 De-emphasis 15?s / 50?s Switchable via Subcode information 391-4TECHNICAL SPECIFICATIONREMARKS: - Amplification reserve for CD
22、 = +2dB (?2dB); Ref. Level for CD is a 1kHz, -6dB (Audio signal disc 1, track 35) -40 CD-RW Test discs : ( A ) Audio signal disc 1 ( N ) ( B ) SBC444A ( O ) ( G ) Burn-in SBC 442 ( P ) ( K ) Printed CD-RW ( Q ) ( L ) Low reflect CD-RW ( R ) ( M ) High reflected CD-RW ( S ) ( T ) Description conditio
23、n (test disc) Noraml limit CD-RW playability 1 Fingerprint “K” TNO 18 No audible disturbance 2 Black dot “K” 13, 17 um 800 400 3 Low reflection “L” No audible disturbance 4 High reflection “M” Startup VERSION VARIATION2 - 1Type /Versions:FeaturesBoard in used:AZ250Service policyMain BOARD* TIPS : C
24、- Component Lever Repair.M - Module Lever Repair- Used/12Feature diffrenceRDSVOLTAGE SELECTORECO STANDBY - DARKType /Versions:AZ250/12KEY BOARDM+CM+CAMP BOARDM+C2.0 SAFTETY INSTRUCTIONSGBWARNINGAll ICs and many other semi-conductors aresusceptible to electrostatic discharges (ESD).Careless handling
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