Philips az 250 service manual
This is the 17 pages manual for philips az 250 service manual.
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Extracted text from philips az 250 service manual (Ocr-read)
Page 1
TECHNICAL SPECIFICATION 1-1 General description: 1 LIFETIME : 5 YEARS (ACC. TO UAN-D1611) 2 PERFORMANCE CLASSES : TUNER SUPPLY, AMPLIFIER SPEAKER BOXES RECORDER CLOCK CD DCC TELEPHONE REC. PLAYER I x x 3 II x 4 III 5 SAFETY REQUIREMENTS: EN 60065 (IEC 65) CE , UL approbation for version 37 6 RADIATION, IMMUNITY REQUIREMENTS: (EMC/FCC) EN55013, EN55020 .FOR VERSION 05/12/79/98 FCC FOR /37 VERSION . 7 CLIMATIC REQUIREMENTS: (acc. to UAN-D1590) All climates: -10 qC till +50 qC (Functional); Set has to be pre-c onditioned for 2 hour, except CD function 8 For all measurements: 25 qC 9 POWER 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 t³³³ÆÁ˳ hours (400mW, AA G¥M )_ alkaline batteries) 11 Frequency: See table below External DC: No 12 POWER CONSUMPTION: Standby: d0.5W 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 according to: R < 3% (CE52) DERIVED VERSIONS: APPROBATION 15 Version AC Voltage/ Frequency on typeplate Safety Tolerance 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
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1-2 TECHNICAL SPECIFICATION SUPPLY, 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 filter, 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 noise (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: - 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. to 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 ( r3dB) 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 frequency: - 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. 32