Sony ST-JX205L Service Manual

FM tuner section
Tuning range
Antenna terminals
Intermediate frequency
Sensitivity
Usable sensitivity
Signal-to-noise ratio
Harmonic distortion
at 1 kHz
'Separation at 1 kHz
Frequency response
Selectivity
Image response ratio.
IF rejection ratio
MICROFILM
AEP Model
UK Model
87.5 — 108 MHz
75 ohms unbalanced
300 ohms balanced
10.7 MHz .
ST-JX205L (Silver Type)
Note: ST-JX205L is an FM stereo LW/MW tuner unit in SEN-205.
ST-JX220L (Black Type)
SPECIFICATIONS
{at 40 kHz deviation)
at 46dB quieting 17.3dBf, 4uV (mono)
38.3 dBf, 45uV (stereo)
10.3 dBf, 1.8uV (1HF)
1.7nV (S/N = 26dB)
~ ST-JX205L:
74 dB (mono)
69 dB (stereo)
ST-JX220L:
76 dB (mono)
71 dB (stereo)
AEP, UK model __
G-AEP model
0.2% (mono)
0.4% (stereo)
0.3% (mono)
0.5% (stereo)
45 dB
AQ Hz — 12.5 kHz +0.5dB
30 Hz —15kHz 70 dB
-20
at 400 kHz
55 dB (AEP, UK model)
80 dB (G-AEP model)
50 dB (AEP, UK model)
80 dB (G-AEP model)
Capture ratio
AM suppression ratio
Spurious response ratio
RF intermodulation
Output level/impedance
at 75 kHz deviation
90 dB
1.0dB
54 dB
70dB
60 dB (IHF)
750 mV, 3.3 kilohms
AM (MW/LW) tuner section
a
Tuning range me | V.G02 Kriz 153 —344 kHz
(9 kHz step)
Layout-free AM antenna,
External antenna termina!
Antenna.
Intermediate frequency 450 kHz
Layout-free
Usable | AM antenna | 300#V/m (999 kHz) | 700uV/m (230 kHz)
sensi- —~ _
tivity
External
- 30uV (999 kHz) .
antenna
Harmonic distortion.
(50 mV/m, 400 Hz) ©
Selectivity
54dB
0.3%
35 dB (9 kHz)
— Continued on page 2 —
SAFETY-RE LATED COMPON ENT. WARNING!!
COMPONENTS IDENTIFIED BY SHADING AND MARK
A\ ON THE SCHEMATIC DIAGRAMS AND IN THE
PARTS LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS
WHOSE PART NUMBERS. APPEAR AS SHOWN IN THIS
MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.