Sony STR-DA90ESG Service Manual

SERVICE MANUAL
Manufactured under license from Dolby
Laboratories Licensing Corporation.
"Dolby," the double-D symbol a, "AC-3" and
"Pro Logic" are trademarks of Dolby Labo-
ratories Licensing Corporation.
Audio power specificaitons
POWER OUTPUT AND TOTAL
HARMONIC DISTORTION
With 8-ohm loads both channels
driven, from 20 - 20,000 Hz; rated 120
watts per channel minimum RMS
power, with no more than 0.05 % total
harmonic distortion from 250 miliwatts
to rated output (US model only).
Amplifier section
POWER OUTPUT
Stereo mode 8 ohms 20 Hz - 20 kHz,
THD 0.05 %,
120 W + 120 W
Surround mode (8 ohms at 1 kHz, THD
0.05 %)
Front: 120 W + 120 W
Center*: 120 W
Rear*: 120 W + 120 W
* No sound may be out-
put when using certain
sound sources and/or
sound mode settings.
MICROFILM
All manuals and user guides at all-guides.com
STR-DA90ESG
SPECIFICATIONS
Dynamic power
output (US,
Canadian model)
Harmonic
distortion at
rated output
Frequency
response
Input (ANALOG)
Sensitivity Impedance
PHONO 2.5 mV
CD, TAPE,
DAT/MD,
VIDEO, 200 mV
LD/DVD,
TV/DBS
165 W + 165 W, 8 ohms Input (DIGITAL)
280 W + 280 W, 4 ohms
LD/DVD
AC-3 RF
Less than 0.05 %
(Direct Pass)
LD/DVD
COAXIAL
LD/DVD,CD,
PHONO: RIAA
DAT/MD,
equalization curve
TV/DBS,
±0.5 dB
OPTICAL
CD, TAPE, DAT/MD,
LD, DVD, TV/DBS,
* '78 IHF
VIDEO: 10 Hz - 50
+0.5
kHz dB Outputs
–2
(Direct Pass)
S/N
50 75 dB*
kilohms (A, 2.5 mV)
50 82 dB*
kilohms (A, 200mV)
BASS BOOST
FM STEREO/FM-AM RECEIVER
US Model
Canadian Model
Australian Model
Sensitivity Impedance S/N
– 75 ohms 100 dB
(A, 20 kHz LPF)
– 75 ohms 100 dB
(A, 20 kHz LPF)
– – 100 dB
(A, 20 kHz LPF)
REC OUT:
DAT/MD, TAPE
Voltage: 200 mV
Impedance: 1 kilohms
AUDIO OUT:
VIDEO 1, 2
Voltage: 200mV
Impedance: 1 kilohms
PRE OUT
Voltage: 2V
Impedance: 1 kilohms
PHONES: Accepts low
and high impedance
headphones
+6 dB at 70 Hz
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