Sony STR-GX315 Service Manual

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
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Sony STR-GX315 Specifications

General

Brand	Sony
Model	STR-GX315
Category	Stereo Receiver
Language	English