Philips fw r 7 service manual

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1-2 Location of Printed Circuit Boards DESIGN FRONT BOARD LED BOARDDIG. SWITCH BOARD FRONT BOARD CDC KEY BOARD AF7 BOARD TUNER HEADPHONE BOARD Location of PCB R7 2000 02 14

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2-1 General: Mains voltage: 120 / 240V switchable (for /21) : 230V (for /22) : 120V (for /37) Mains frequency : 50 ~ 60Hz Power consumption : 76W at 1/8 P RATED : 175W at max output : ²15W at Stand by : ²2W at ECO Stand by Tuner: FM Tuning range : 87.5MHz - 108MHz Grid : 100kHz IF : 10.7MHz Aerial input : 75½ Sensitivity Mono : < 7µV (26dB S/N) d (RF=1mV,D f=75kHz) : 3% - typ. 2% IF rejection : > 60dB Image rejection : > 25dB -3dB Limiting Point : < 23.5dBf MW Tuning range : 531kHz - 1062kHz Grid : 9kHz IF : 450kHz ±1kHz Sensitivity at 26dB S/N : < 4.0mV/m d (RF=50mV,m=80%) : < 5% - typ. 3% IF rejection : > 45dB Image rejection : > 28dB Amplifier: Output power : 2 x 50W at 6½ Headphone : 3.5mm stereo jack Frequency response : 20Hz - 20kHz (-3dB) Limit Equalizer : Digital Sound Control Input sensitivity Aux/Line : 500mV ±2dB CDC unit: Frequency response within : 20Hz - 20kHz at ±3dB Signal/Noise ratio : > 94dB (A-weighted) Distortion at 1kHz,0dB : -90dB Channel unbalance : < 0.3dB Channel crosstalk at 1kHz : -60dB De-emphasis : 0 or 15/50 µS Laser Output power : ²500µW Wave length : 780nm ±20nm CDR unit: CD Playback: Frequency response within : 20Hz - 20kHz at ±3dB Signal/Noise ratio : > 90dB (A-weighted) Distortion at 1kHz,0dB : -80dB Channel unbalance : < 1dB Channel crosstalk at 1kHz : -60dB De-emphasis : 0 or 15/50 µS Analog recording - digital playback: Frequency response within : 20Hz - 20kHz at ±3dB Signal/Noise ratio : > 84dB (A-weighted) Distortion at 1kHz,0dB : -77dB Channel unbalance : < 1dB Channel crosstalk at 1kHz : -60dB De-emphasis : 0 or 15/50 µS Laser Output power : ²1mW during reading : ²20mW during writing Laser class 3B Wave length : 780nm ±20nm Technical Specification