Technics ST-G470 Service Manual

ORDER NO. AD9005134C2
CYUARTZ Synthesizer
AM/FM Stereo Tuner
SPECIFICATIONS
(DIN 45 500)
MFM TUNER SECTION
87.50~ 108.00 MHz
87.525~108.00 MHz (+25 kHz shift)
Frequency range
Sensitivity 1.5 uV (IHF, usable)
SIN 30 dB 1.3 yV (75 Q)
SIN 26 dB 1.2 pV (75 Q)
SIN 20 dB 0.9 pV (75 Q)
IHF 46 dB stereo quieting sensitivity 28 pV/75 Q
Total harmonic distortion
MONO (normal) 0.05 %
STEREO (normal) 0.1%
SIN
MONO 72 dB (80 dB, IHF)
STEREO 65dB (73 dB, IHF)
Frequency response 4Hz~15 kHz, +0.5 dB~ —1.0 dB
Alternate channel selectivity
+400 kHz 65 dB
Capture ratio 1.0 dB
Image rejection at 98 MHz 100 dB
IF rejection at 98 MHz 100 dB
Spurious response rejection at 98 MHz 100 dB
AM suppression 55 dB
Stereo separation
1 kHz 50 dB
10 kHz 40 dB
Carrier leak
19 kHz —75 dB (--80 dB, IHF)
38 kHz —75 dB (—80 dB, IHF)
Channel balance (250 Hz~ 6,300 Hz) +1.0 dB
Limiting point 0.85 UV
Bandwidth
IF amplifier 180 kHz
FM demodulator 1000 kHz
Antenna terminals 75 Q (unbalanced)
Technics
Area
Tuner
ST-G470
Color
(K)sedvece es Black Type
Country
Code
(EG) F.R. Germany
(Ei)
Italy
WAM TUNER SECTION
Frequency range
AM
Sensitivity (S/N 20 dB)
AM
Selectivity (+9 kHz)
AM (at 999 kHz)
Image rejection
AM (at 999 kHz)
IF rejection
AM (at 999 kHz)
Mi GENERAL
Output voltage
Power consumption
Power supply
Dimensions (W x H x D)
Weight
Note:
522 kHz~1611 kHz (9 kKHz-steps)
530 kHz~1620 kHz (10 kHz-steps)
20 UV, 300 pV/m
50 dB
40 dB
60 dB
0.45 V (0.9 V IHF)
9W
AC 50 Hz/60Hz, 220 V
430 x 69 x 288 mm
(16-15/16" x 2-23/32" x 11-11/32")
2.5 kg (5.5 |b)
Specifications are subject to change without notice. Wei ght and
dimensions are approximate.
Matsushita Electric Industrial Co., Ltd.
Central P.O. Box 288, Osaka 530-91, Japan