Sony STR-D390 Service Manual

STR-D390/0590
SERVICE MANUAL
Photo : STR-D590 |
US Model
Canadian Model
UK Model
STR-D390/D590
E Model
STR-D390
SPECIFICATIONS
Audio Power Specifications
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
With 8-ohm load, both channels driven, from 40 - 20,000
Hz, rated 60(STR-D590)/40(STR-D390) watts per chan-
nel minimum RMS power, with less than 0.8% total har-
monic distortion from 250 milliwatts to rated output.
Other Specifications
Amplifier section
Continuous RMS power output (8 ohms, at 1kHz less than 0.8% total
harmonic distortion)
70W+70W(STR-D590 : US/Canadian model)
60W-++60W(STR-D590 : UK model)
50W+50W(STR-D390)
Dynamic power (at 1 kHz IHF)
75W+75W(8 ohms)(STR-D590 : US/Canadian model)
65W+65W(8 ohms)(STR-D590 : UK model)
55W-+55W(8 ohms)(STR-D390)
80W-+80W(4 ohms)(STR-D590 : US/Canadian model)
50W ++ 50W(4 ohms)(STR-D390)
Harmonid distortion
Less than 0.8% at rated output
Power output of surround amplifier (4 ohms, at 1 kHz less than 0.8% total
harmonic distortion)
10W
Frequency response
PHONO : RIAA equalization curve +0.5 dB
CD
wine | 10 Hz — 50 kHz *2 aB
TAPE
Inputs
Sensitivity | Impedance S/N (weighting
network, input level
74 dB
ONO 2.5 mV 50 kilohms
. 95 dB
CD/VIDEO 1,2/TAPE | 150mV_ | 50 kilohms
(STR-D590) , 80 dB* (A, 150 mV)
CD/VIDEO/TAPE 1,2 | 200 mV
(STR-D390)
Outputs
"78 IHF
Voltage : 150 mV (STR-D590)
: 200 mV (STR-D390)
Impedance 10 kilohms
REC OUT, VIDEO 1
(AUDIO) OUT
SPEAKER A, B Accepts speakers of
—16 ohms
HEADPHONES Accepts low and high
impedance headphones
Tone controls
BASS : £10 dB at 100 Hz
TREBLE : +10 dB at 10 kHz
Muting (STR-D590)
—20 dB
DBFB (STR-D590)
+10 dB at 70 Hz
Variable loudness control (STR-D390)
+6 dB at 100 Hz (MAX)
— Continued on next page —
FM STEREO/FM-AM RECEIVER
ONY.