Sony ST-JX661 Service Manual

SERVICE MANUAL
FM tuner section
Frequency range 87.5–108 MHz
Antenna terminals 75 ohms, unbalanced
Intermediate frequency 10.7 MHz
Sensitivity at 50 dB quieting (mono) 22.1 dBf, 7µV/75Ω
(stereo) 42.1dBf, 7µV/75Ω
Usable sensitivity (IHF) 19.5 dBf, 5µV/75Ω
at 75 kHz deviation
S/N 80 dB (mono), 75 dB (stereo)
Harmonic distortion at 1 kHz
0.3% (mono), 0.5% (stereo)
Frequency response 30 Hz–15 kHz
(+0.5/–2.0 dB)
Separation 35 dB at 1 kHz
Selectivity 55 dB at 400 kHz
Output at 75 kHz deviation
775 mV, 4.7 kilohms
AM tuner section
Frequency range US, Canadian model :
531–1,710 kHz (9 kHz)
530–1,710 kHz (10 kHz)
AEP, UK, German, Italian model :
522–1,611 kHz (9 kHz)
E, Singapore, Australian, Chinese, Malaysia,
Saudi Arabia model :
531–1,602 kHz (9 kHz)
530–1,710k Hz (10 kHz)
Intermediate frequency 450 kHz
Usable sensitivity (with AM loop antenna) AM : 500µV/m
Signal-to-noise ratio 54 dB (500mV/m, 999 kHz)
Harmonic distortion 0.5 % (50 mV/m, 400Hz)
Selectivity 50 dB
MICROFILM
ST-JX661/SE200
Photo : ST-JX661
SPECIFICATIONS
Australian Model
General
Power requirements US, Canadian model :
120 V AC, 60 Hz
AEP, German, Italian model :
220-230 V AC, 50/60Hz
UK, Australian model :
240 V AC, 50/60Hz
E, Singapore, Chinese, Malaysia,
Saudi Arabia model :
110-120 V/220-240 V AC,
50/60 Hz adjustable
Power consumption 7 W
Dimensions 430 x 82 x 279 mm (w/h/d) (17 x
3 1 / x 11 inches)
4
Mass Approx. 2.4 kg (5 lb 4 oz)
Supplied accessorise Audio cord (1)
AM loop antenna (1)
FM wire antenna (1)
Design and specifications are subject to change without notice.
FM STREO/FM-AM TUNER
US Model
Canadian Model
ST-JX661
AEP Model
UK Model
E Model
ST-JX661/SE200
Chinese Model
ST-SE200