Sony str d 990 service manual

Page 1

STR-D790/0990

SERVICE MANUAL us Model

Canadian Model
UK Model

STR-D790

U8 Model
Canadian Model

S TR-D990

Photo: STR-D990

SPECIFICATIONS

Audio Power Specifications Other Specifications

POWER OUTPUT AND TOTAL HARMONIC Dynamlc poweroutput sTR-D990: )
140w + moms ohms
DISTORTION 190w + 190W(4 ohms)
STR-D790:
105 W +105 W (8 ohms)
Stereo mode 140 w + 140 w (4 ohms)
WiIh 8-0hm load, bOth channels drlven, Harmonic distortion at rated Less than 0.05%
from 20 - 20,000 Hz, rated 100 watts (STR- output
D990) Ol 80 watts (STR-D790) Per Channel Intermodulation (lM)dislortion at Lessthan 0.05%
minimum RMS power, with no more than 3 WW
0.0570 total harmonic distortion from 250 Frequency PHONO RIAA equaiizanon curve :0 5
miIIiwatts to rated output. espmse B
CD. DAT. 10Hz-7O kHzfodB
TAPE 1,2
Surround mode vmeo1,2.3'
STR-DQQO STR-D790 Residuai noise Less than 70pv
f
FRONT 65 w + 65 W 30 w + 80 w gflmfififlz) 5°
CENTER 65 W 20 W Input sensitivity/ PHONO MM 2 5 mV, 50 kilohms
impedance
DATCD. 150 mV
REAR 25 W 20 W VIDEO 1,2.3~ 50 kilohms
TAPE 1.2
S/N PHONO MM 57 dB
79 dB" (A,2 SmV)
DAT CD was dB
VIDEO 123 as dB" (A.150mV)
TAPE 1,2

FM STEREfl/FM-AM RECEIVER

SONY")