Philips mc 230 235 service manual

This is the 31 pages manual for philips mc 230 235 service manual.
Read or download the pdf for free. If you want to contribute, please upload pdfs to audioservicemanuals.wetransfer.com.

Page: 1 / 31
philips mc 230 235 service manual

Extracted text from philips mc 230 235 service manual (Ocr-read)


Page 1

1-2 LOCATION OF PRINTED CIRCUIT BOARDS /21 /22 /25 /30 /37 Aux in / CDR in x x x x x Line Out Video Out Surround Out Subwoofer Out Power Booster Out Digital Out Digital in Matrix Surround RDS x x News x x Dolby Pro Logic (DPL) Incredible Surround Karaoke Features Voltage Selector x ECO Power Standby (LCD Display Off) x x ECO6 Tuner Board - Systems Non-Cenelec x x x ECO6 Tuner Board - Systems Cenelec x x USB PC LINK VERSION VARIATIONS: Type /Versions: MC230 MC235 Features & Board in used: SPEAKER BOARD POWER BOARD DISPLAY BOARD KEY_A BOARDMAIN BOARD KEY_B BO AR D HEADPHONE BOARD KEY_C BOARD FM/AM BOARD

Page 2

1-3 SPECIFICA TIONS GENERAL: Mains voltage : 120/240V ± 15% Switchable for /21 120V ± 10% for /37 230V ± 10% for /22/25 240V ± 10% for /30 Mains frequency : 50/60Hz Clock accuracy : < 4 seconds per day Dimension centre unit : 250 x 245 x 96 (mm) Power consumption Active : 15W for /21/22/25/37/30 Standby : < 6W (DEMO mode off) ECO Power Standby : < 1W for /22/25 TUNER: FM Tuning range : 87.5-108MHz Grid : 50kHz 100kHz for /21/37 IF frequency : 10.7MHz ± 20kHz Aerial input : 75 Ω coaxial 300 Ω for /37 Sensitivity at 26dB S/N : < 22dBf Selectivity at 300kHz bandwidth : > 33dB Image rejection : > 20dB [> 25dB] Distortion at RF=1mV, dev. 75kHz : < 3% -3dB Limiting point : < 23.5dB Crosstalk at RF=1mV, dev. 40kHz : > 26dB MW Tuning range : 531-1602kHz 530-1700kHz for /21/37 Grid : 9kHz 10kHz for /21/37 IF frequency : 450kHz ± 1kHz Aerial input : Frame aerial 18.1µH Sensitivity at 26dB S/N : < 4.0mV/M [> 3.25mV/M] Selectivity at 300kHz bandwidth : > 20dB IF rejection : > 24dB Image rejection : > 20dB [> 28 dB] Distortion at RF=50mV, M=80% : < 5% AMPLIFIER: Output power L & R : 2 x 5W FTC (4Ω, 1kHz, 10% THD) Frequency response within -3dB : 60Hz-14kHz Digital Sound Control (DSC) : Jazz / Rock / Pop / Classic Dynamic Bass Boost (DBB) : Jazz / Rock / Pop / ClassicInput sensitivity Aux in (at 1kHz) : 500mV at 600 Ω Output sensitivity Headphone output at 32 ohm : 15mW ± 2dB (Max. vol.) COMPACT DISC: Frequency response within ± 3dB : 63Hz - 14kHz Output level (in Vrms) : 500mV, Z out = 100Ω Signal/Noise ratio (A-weighted) : > 67dBA Distortion at 1kHz : < 0.02% Channel unbalance at 1kHz : < ±2dB Channel separation at 1kHz : > 30dB Emphasis : 15/50 µS (switched automatically by CD10) THD Noise(1kHz) : < 1.5% Outband Attenuation : > 35dB [....] Values indicated are for /22/25 only.