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STR-GX210/GX810/GX415
SERVICE MANUAL
AEP Model
STR-GX215/GX3 15/GX415
East European Model
STR-GX215/GX315
UK Model
STR-GX315
PHOTO: STR-GX415
SPECIFICATIONS
Amplifier section
AEP1, German,
90W+90W
70W+70W
East European,
(4ohms)
(4ohms)
UK model
80W+80W
50W+50W
DIN, IkHz
(80hms)
(80hms)
80W+80W
70W+70W
50W+50W
(80hms)
(80hms)
(80hms)
40Hz-20kHz
THD 0.3%
Harmonic distortion
Less than 0.8% at rated output
Frequency response
PHONO: RIAA equalization curve +0.5dB
CD
VIDEO | 10Hz-50kHz '3 dB
TAPE
Input
Sensitivity
Impedance
S/N (weighting network,
input level)
PHONO
2.5mV
50kilohms
75d B(A net)
75dB*(A net, 5.0 mV)
CD, VIDEO, — | 250mV
5O0kilohms
82dB (A net)
TAPE 1,2
82dB*(A net 500mV)
*78 THF
Outputs
REC OUT,
Voltage 250mV
VIDEO (AUDIO) OUT
Impedance 10kilohms
HEADPHONES
Accepts low and high impedance
head phones
Tone controls
BASS: £10dB at 100Hz
TREBLE: +10dB at 10kHz
Loudness
+6dB (100Hz)
MICROFILM
Tuner section
Tuning range
87.5-108MHz
531-1602kHz
Antenna
75ohms, unbalanced
Sensitivity at
18.3dBf, 2.2nV (mono)
41dB quieting
40d Bf, 24.5yV (stereo)
Usable sensitivity
11.2d Bf, 1pV (IHF)
Loop antenna:
300pV (at 999kHz)
Signal-to-noise ratio
70dB (mono) /66dB (stereo) | 54dB (at 50mV/m)
Harmonic distortion
0.3% (mono), 0.5%
0.5% (at 50mV/m,
(stereo) at 1kHz
400 Hz)
60dB at 400kHz
30dB at 10kHz
Frequency response
30Hz—15kHz "3° dB
|
—
General
System
Tuner section: PLL quartz-locked digital synthesizer system
Preamplifier section: low-noise NF type equalizer amp
Power amplifier section: pure complementary SEPP
Power requirements
220-230V AC, 50/60Hz
240V AC, 50/60Hz (U.K. model)
Power consumption
ara
STR-GX415
STR-GX315
STR-GX215
AEP1, German model | 230W
200W
160W
AEP2, East European, | 165W
130W
110W
UK model
—Continued on next page—
FM
Stepeo
FM-AM Receiver
SONY.
FM tuner section
AM tuner section
£
8
Ei
=z
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