Sony STR-W777 Service Manual

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SERVICE MANUAL
STR-W777 is the tuner and amplifier
section in MHC-W777AV.
Amplifier section
(Saudi Arabia, Singapore, Malaysia,Thai, Australian)
The following measured at AC 230V 50/60 Hz
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L 13942296513
DIN power output (Rated) (FRONT)
Continuous RMS power output (Reference)
The following measured at AC 120, 220, 240V 50/60Hz
DIN power output (Rated) (FRONT)
Continuous RMS power output (Reference)
Peak music power output 2400W
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MICROFILM
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95 + 95W (6 Ω at 1kHz DIN)
FRONT SPEAKER: 110 + 110W
(6 Ω at 1kHz, 10% THD)
CENTER SPEAKER: 55W
(8 Ω at 1kHz, 10% THD)
REAR SPEAKER: 35 + 35W
(8 Ω at 1kHz, 10% THD)
100 + 100W (6 Ω at 1kHz DIN)
FRONT SPEAKER: 120 + 120 W
(6 Ω at 1kHz, 10% THD)
CENTER SPEAKER: 60W
(8 Ω at 1kHz, 10% THD)
REAR SPEAKER: 40 + 40W
(8 Ω at 1kHz 10% THD)
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STR-W777
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SPECIFICATIONS
(AEP, UK, East European, CIS)
DIN power output (Rated) (FRONT)
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3 6 7 1 3 1 5
Continuous RMS power output (Reference)
Music power output (Reference)
Inputs
FM STEREO/FM-AM RECEIVER
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9 4 2 8
AEP Model
UK Model
E Model
Australian Model
80 + 80W (6 Ω at 1kHz DIN)
0 5 8 2 9 9 4 2 8
FRONT SPEAKER: 100 + 100W
(6 Ω at 1kHz, 10% THD)
CENTER SPEAKER: 60W
(8 Ω at 1kHz, 10% THD)
REAR SPEAKER: 35 + 35W
(8 Ω at 1kHz, 10% THD)
FRONT SPEAKER: 190 + 190 W
(6 Ω at 1kHz, 10% THD)
CENTER SPEAKER: 90W
(8 Ω at 1kHz, 10% THD)
REAR SPEAKER: 55 + 55W
(8 Ω at 1kHz, 10% THD)
MD/VIDEO 1 IN (phone jacks): voltage
450/250mV, impedance 47kΩ
AV INPUT AUDIO (phone jacks): voltage
250mV, impedance 47kΩ
MIX MIC (phone jack): sensitivity 1mV,
impedance 10kΩ
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