Philips mcd 300 305 service manual

This is the 36 pages manual for philips mcd 300 305 service manual.
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Extracted text from philips mcd 300 305 service manual (Ocr-read)

Page 1

1-2 SPECIFICATIONS GENERAL: Mains voltage :220V ± 10% Mains frequency : 50Hz Clock accuracy : < 4 seconds per day Dimension centre unit : 165(W) x 257(L) x 156(H) (mm) Power consumption Active : 28.6W /MCD300 55W /MCD300 Standby : < 4.4W (DEMO mode off)/MCD300 TUNER: FM T uning range : 87.5-108MHz Grid : 100kHz IF frequency : 10.7MHz ± 20kHz Aerial input : 75 Ω coaxial Sensitivity at 26dB S/N : < 22dBf Selectivity at 300kHz bandwidth : > 33dB Image rejection : > 20dB Distortion at RF=1mV, dev. 75kHz : < 3% -3dB Limiting point : < 23.5dB Crosstalk at RF=1mV, dev. 40kHz : > 26dB AM T uning range : 531-1602kHz Grid : 9kHz IF frequency : 450kHz ± 1kHz Aerial input : Frame aerial 18.1 µH Sensitivity at 26dB S/N : > 1.3mV/M Selectivity at 300kHz bandwidth : > 20dB IF rejection : > 24dB Image rejection : > 28dB Distortion at RF=50mV, M=80% : < 5% AMPLIFIER: Output power L & R : 2 x 22W (8 Ω, 1kHz, 10% THD) Frequency response within +0.5/-1.0dB :100Hz-15kHz S-Bass & Loudness : On / Off Input sensitivity Aux in (at 1kHz) : 500mV at 600 Ω Output sensitivity Headphone output at 32 k Ω:12mW ± 1dB (Max. vol.) COMPACT DISC: Frequency response within ± 3dB : 20Hz - 20kHz Output level (in Vrms) : 500mV, Z out = 100 Ω Signal/Noise ratio (A-weighted) : > 65dBA Distortion at 1kHz : < 0.02% Channel unbalance at 1kHz : < ±2dB Channel separation at 1kHz : > 40dB Emphasis : 15/50 µS (switched automatically by CD10) THD Noise(1kHz) : < 0.5% Outband Attenuation : 35dB MP3-CD Bit Rate : 8-320 kbps Sampling Rate : 8,11.025, 16, 22.05, 32,\ : ISO9660, Joliet Microphone in (at 1kHz) : 1mV rms at 600 Ω /21M Line output at 10 k Ω:2Vrms Subwoofer output at 10 k Ω:3Vrms (100Hz,Dist: 1%) Digital output (Coaxial SPDIF) : 0.5Vpp at 75 Ω Video Bandwidth : 6MHz(-5dB) S/N luminance : > 53dB S/N chroma : AM: >58dB/PM: >51dB Chrome/Luminance delay : < 80ns Burst/Chroma ratio : ± 5% VIDEO PART < 10W (DEMO mode off)/MCD305 : 22W x 2 + 15W x 3 (8 Ω, 1kHz, 10% THD) 80Hz-300Hz (Subwoofer) 44.1, 48 kHz Format Subwoofer : 50W (8 Ω, 1kHz, 10% THD)

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1-3 LF Generator e.g. PM5110 Recorder Use Universal Test Cassette CrO2SBC419 4822 397 30069 LEVEL METERe.g. Sennheiser UPM550 with FF-filter S/N and distortion meter e.g. Sound Technology ST1700B L R DUT or Universal Test Cassette FeSBC420 4822 397 30071 LEVEL METERe.g. Sennheiser UPM550 with FF-filter S/N and distortion metere.g. Sound Technology ST1700B L R DUT CD Use Audio Signal Disc (replaces testdisc 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 ST1700B Frame aeriale.g. 7122 707 89001 Tuner AM (MW,LW) To avoid atmospheric interference all AM-measurements have to be carried\ out in a Faraday´s cage. Use a bandpass filter (or at least a high pass filter with 250Hz) to e\ liminate hum (50Hz, 100Hz). RF Generator e.g. PM5326 Ri=50 Ω 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 f\ rom the pilottone (19kHz, 38kHz). Ri=50 Ω Tuner FM MEASUREMENT SETUP