Harman Kardon AVR7000 Preliminary Service Manual

Also see for AVR 7000: Owner's manual Brochure Test report Owner's manual Specifications

Contents

TUNER SECTIONMeasuring methods in confirmity with IEC standard 315Measurements condition FM : Radio frequency = 98.1MHz, Audio frequency = 1kHzReference level = 1mV on ( 75ohms , 300ohms )Deviation : MONO = ?5kHz, Stereo = ?7.5kHz?.5kHzMONO = ?0kHz, Stereo = ?0kHz?.5kHzTest Point : TP 1 = 90.1MHz, TP 2 = 98.1MHz, TP 3 = 106.1MHzFilter = B.P.F at STEREOFM SECTIONNO DESCRIPTION UNIT LIMIT L/R NOMINAL L/R MEAS. NEEDED* 1 TUNING RANGE LOW ~ HIGH MHz 87.5~107.9MSTEP AUTO/Man. kHz 100* 2 USABLE SENSITIVITY TP 1 dBf > 17.2 > 14.2S/N = (26,30)dB TP 2 dBf > 17.2 > 14.2TP 3 dBf > 17.2 > 14.23 FULL LIMITING SENSE OUTPUT = -3dB dBf > 15.2 > 12.2* 4 AUTO STOP LEVEL dBf 33.2 +/- 6 33.2 +/- 5* 5 AUTO SCAN ERROR kHz +/- 15/20 +/- 20/25* 6 S/N RATIO MONO dB > 65 > 70IHF-A FILTER STEREO dB > 63 > 68* 7 TOTAL HARMONIC DISTORTION MONO % > 0.5 > 0.3STEREO % > 0.8 > 0.58 (50,46)dB QUIETING SENS. MONO dBf > 23.2 > 20.2STEREO dBf > 48.3 > 45.3* 9 CHANNEL SEPARATION 100Hz dB > 35 > 401kHz dB > 40 > 4510kHz dB > 30 > 3510 FREQUENCY RESPONSE AT ?1,-3dB Hz 20~15K 10~15.3K11 SPURIOUS RESPONSE dB > 80 > 9012 IF REJECTION TP 1 dB > 70 > 8013 IMAGE REJECTION TP 3 dB > 65 > 7014 AM REJECTION RATIO dB > 50 > 5515 RF INTERMODULATION dB16 CAPTURE RATIO dB > 25. > 217 ALTERNATIVE CH SELECTIVITY ?(400)kHz dB > 65 > 70* 19 OUPUT LEVEL MONO mV 500 +/- 150 500 +/- 100AM SECTIONMeasuring methods in confirmity with IEC standard 315Measurements condition AM - MW : Radio frequency = 1000/999kHz, Audio frequency = 400HzLW : Radio frequency = 207kHz, Audio frequency = 400HzReference level = 5mV/m,10mV/m on 50ohmsModulation = 30%Test Point : MW TP1 = (600)kHz TP2 = (1000)kHz TP3 = (1400)kHzLW TP1 = 162kHz, TP2 = 207kHz, TP3 = 252kHzNO DESCRIPTION UNIT LIMIT L/R NOMINAL L/R* 1 TUNING COVER RANGE LOW ~ HIGH MW kHz 520~1710LW kHzSTEP AUTO/Man. kHz 10* 2 USABLE SENSITIVITY MW TP 1 uV/m > 800 > 500TP 2 uV/m > 800 > 500S/N = 20dB TP 3 uV/m > 800 > 500LW TP 1 uV/mTP 2 uV/mTP 3 uV/m