Sony ST JX22LB Service Manual

Page 1

STJXZZL: SILVER TYPE

AE P Model
UK Model

STJXZZ LB: BLACK TYPE

AEP Model
UK Model

For Service Manuais Contact
MAURITRON TECHNICAL SEFMCES
8 Cherry Tree Rd, Chinnor
Oxon OX9 4OY
Tel:- 01844-351694 Faxz- 01844-352554
Enaiit- enquiries@matriizon.oo.dt

FM tuner sectIon
Tuning range
Antenna terminals

875 MHZ 7 I08 MHZ
300 ohms, balanced
75 ohms, unbalanced
intermediate frequency

10.7 MHz

(at 40 kHz deviation)

Sensitivity at 46 dB quieting
17.3 dBI,
4 V (mono) ;
383 dBI,
45 V (stereo)

10.3 oar.

1.8 ,v (IHF)
L7 ,v

(S/N = 26 as)

Usable sensitivity

76 dB (mono)
71 dB (stereo)

Signai-tunolse ratio

0.15% (mono!
03% (stereo)

Harmonic distortion
(at 1 kHz)

0,15% (mono)
03% (stereo)

IM distortion

I
I.-
MICROFILM

Photo: ST'JXZZL

FM STEREO/FM-AM TUNER

SPECIFICATIONS
Separation Spurious response ratio 70 dB
I Hi 45 dB
(at 2) HF intermoduiation 60 dB (ii-IF)
Frequency response 40 Hz- 125 kHz 4
:05 d8 Mutmg threshold approx. 252 am. to V
a + 0.5
30 Hz 15 kHz - 2 dB Output level/ at 75 kHz deviation
Selectivity at 300 kHz impedance 750 mv, 2,7 k ohms
70 dB
Capture ratio 1,0 63
AM suppressuon ratio 54 as
image response ratio 50 dB
IF response ratto 90 dB _ Continued on page 2 _

SAFETY-RELATED COMPONENT WARNING

COMPONENTS IDENTIFIED BY SHADING AND MARK
A ON THE SCHEMATIC DIAGRAMS, EXPLODED
VIEWS 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.

ON Y;
SERVICE MANUAL