Technics Quartz ST-S4T DX Service Manual

ORDER NO. $D81071902C8
ST-S4T
[DX], [EG], [EF], [EH]
[EB], [DMI], [EK], [EW]
[XA]
ST-S4T(k)
[DX], [EG], [EF]
( * The cabinet and front panel are available in black color and silver | [E K], [EW], [XA]
* The black type model is provided with (K) in the Service Manual.
Areas
* [DX] is available in Scandinavia except European * [DM] is available in Denmark.
and Denmark. * [EK] is available in United Kingdom.
* [EG] is available in F.R. Germany. * [EW] is available in Switzerland.
* [EF] is available in France. * [XA] is available in Southeast Asia, Oceania, Africa,
* [EH] is available in Holland. 'Middle Near East and Central South America.
* [EB] is available in Belgium.
English
(DIN 45 500)
Channel balance (250 Hz~6,300 Hz) +1.0 dB
@ FM TUNER SECTION
Limiting point
1.9 Vv
Frequency range
Bandwidth
87.9~107.9 MHz (0.2 MHz step)
IF amplitier
180 kHz
87.50~108.00 MHz (0.05 MHz step)
FM demodulator
1000 kHz
Sensitivity
2.0 pV (IHF, usable)
Antenna terminals
3000 (balanced)
S/N 30 dB
2.0 uV (3009), 1.0 uV (75Q)
75Q (unbalanced)
S/N 26 dB 1.8 nV (3009), 0.9 wV (752)
S/N 20 dB
1.6 pV (3009), 0.8 uv (752)
| AM TUNER SECTION
IHF 46 dB stereo quieting sensitivity
24.5 pV/7T5Q
Total harmonic distortion
Frequency range
522 kHz~ 1611 kHz (9kHz step)
MONO (normal)
0.08%
530 kHz~1620 kHz (10kHz step)
STEREO (normal)
0.1%
Sensitivity (S/N 20 dB)
30 wV 250 wV/m
S/N
Selectivity (+9 kHz)
55 dB
MONO
70 dB (78 dB, IHF)
Image rejection at 999 kHz
45 dB
STEREO
65 dB (73 dB, IHF)
IF rejection at 999 kHz
40 dB
Frequency response
20 Hz~15 kHz, +0.5 dB~ —1.5 dB
Alternate channei selectivity
@ TIMER SECTION
normal +400 kHz 60 dB
super narrow +200 kHz 22 dB Clock Quartzloc k type
Caplure rate
ee
24-hourind ication
Image rejection at 98 MHz
70 dB
Precision
Within +10 sec. monthly(at
25°C)
IF rejection at 98 MHz
90 dB Functions
24-hour progamsmable;
Spurious response rejection at 98 MHz
90 dB
everyday(2 times),
AM suppression 55 dB once ony (4 time)
Stereo separation
Programmable content
On/off of progrm source
1 kHz
50 dB
(FMA, AM)
10 kHz
40 dB
Designation of preet station
Carrier leak
Setting intervals
1 minute~23 hours, 9 minutes
I 19 kHz —30 dB (-35 dB, IHF) (at 1-min intervals)
38 kHz ~45 dB (-50 dB, IHF)