Technics ST-9031 Service Manual

ORDER NO. $D7808-1409
rvice Manu
FM/AM Stereo Tuner
> T-9031
(E), (EG), (X), (XA), (XE),
(XGF), (XGH)
ST- JOS1K
), (XGH)
* The models ST-9031 (E, EG) and ST-9031K (E, EG) are
available in Scandinavia and European only.
* The models ST-9031 (X) and ST-9031 (XA) are avai-
lable in Asia, Latin America, Middle East and Africa
only.
* The model ST-9031 (XE) is available in United King-
dom only.
* The model ST-9031 (XGF) is available in France only.
* The models ST-9031 (XGH) and ST-9031K (XGH) are
available in Holland only.
ST-9031K
TECHNICAL SPECIFICATIONS Specifications are subject to change without notice for further improvement.
[DIN 45 500]
FM TUNER SECTION Limiting point 1.5uV
Antenna terminals 3002 (balanced), 759 (unbalanced) FM demodulator 1000 kHz
Sensitivity (+40 kHz deviation) Chanhel balance (250 Hz 6300 tie) cee
S/N 30 dB 1.9uV (3000), 1.3uV (750)
S/N 26 dB 1.7pV (3002), 1.1hV (750) AM TUNER SECTION
S/N 20 dB 1.5uV (3009), 0.9 V (752) Frequency range 525 ~ 1605 kHz
IHF usable sensitivity 1.9uV (LHF '58) Sensitivity (S/N 20 dB) 30uV, 250uV/m
IHF S/N 46 dB stereo quieting sensitivity 22uV (75Q) Selectivity 40 dB
Total harmonic distortion MONO 0.08% Image rejection at 1000 kHz 45 dB
STEREO 0.1% IF rejection at 1000 kHz 40 dB
S/N (+40 kHz deviation) MONO 69 dB (IHF: 75 dB) |
STEREO 65 dB (IHF: 70dB) GENERAL
Frequency response 20 Hz ~ 15 kHz, +0.2 dB, —0.8 dB Output voltage — 0.6V
Power consumption 13W
Captiire ratio 10dB Power supply (50 Hz/60 Hz) 410V/120V/220V/240V
Image rejection at 98 MHz 75 dB Dimensions (W x H x D) : 430 x 98 x 300 mm
IF rejection at 98 MHz | 100 dB : GTEC INOTeHee. edt?)
Weight. 4.5 kg (9.9 Ib.)
Alternate channel! selectivity 75 dB
Spurious response rejection at 98 MHz 90 dB
AM suppression | | 55 dB
Stereo separation 1 kHz 50 dB, 10 kHz 40 dB
Leak carrier 19 kHz —58 dB (—60 dB, IHF)
38 kHz —63 dB (—60 dB, IHF)
Technics Matsushita Electric Trading Co., Ltd.
P.O. Box 288, Central Osaka Japan