STR-W777
STR-W777 is FM STEREO/FM-AM RECEIVER SERVICE MANUAL manufactured by Sony Semiconductor Solutions.
SERVICE MANUAL
AEP Model UK Model E Model Australian Model
STR-W777 is the tuner and amplifier section in MHC-W777AV.
SPECIFICATIONS
Amplifier section
(Saudi Arabia, Singapore, Malaysia,Thai, Australian) The following measured at AC 230V 50/60 Hz DIN power output (Rated) (FRONT) 95 + 95W (6 Ω at 1k Hz DIN) Continuous RMS power output (Reference) FRONT SPEAKER: 110 + 110W (6 Ω at 1k Hz, 10% THD) CENTER SPEAKER: 55W (8 Ω at 1k Hz, 10% THD) REAR SPEAKER: 35 + 35W (8 Ω at 1k Hz, 10% THD) The following measured at AC 120, 220, 240V 50/60Hz DIN power output (Rated) (FRONT) 100 + 100W (6 Ω at 1k Hz DIN) Continuous RMS power output (Reference) FRONT SPEAKER: 120 + 120 W (6 Ω at 1k Hz, 10% THD) CENTER SPEAKER: 60W (8 Ω at 1k Hz, 10% THD) REAR SPEAKER: 40 + 40W (8 Ω at 1k Hz 10% THD) Peak music power output 2400W
(AEP, UK, East European, CIS) DIN power output (Rated) (FRONT) 80 + 80W (6 Ω at 1k Hz DIN) Continuous RMS power output (Reference) FRONT SPEAKER: 100 + 100W (6 Ω at 1k Hz, 10% THD) CENTER SPEAKER: 60W (8 Ω at 1k Hz, 10% THD) REAR SPEAKER: 35 + 35W (8 Ω at 1k Hz, 10% THD) Music power output (Reference) FRONT SPEAKER: 190 + 190 W (6 Ω at 1k Hz, 10% THD) CENTER SPEAKER: 90W (8 Ω at 1k Hz, 10% THD) REAR SPEAKER: 55 + 55W (8 Ω at 1k Hz, 10% THD)
Inputs MD/VIDEO 1 IN (phone jacks): voltage 450/250m V, impedance 47kΩ AV INPUT AUDIO (phone jacks): voltage 250m V, impedance 47k Ω MIX MIC (phone jack): sensitivity 1m V, impedance 10k Ω
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- FM STEREO/FM-AM RECEIVER
MICROFILM
Output
MD/VIDEO 1 OUT (phono jacks): voltage 450/250m V, impedance 1kΩ PHONES (stereo phone jack): accepts headphones of 8Ω or more. FRONT SPEAKER: accepts impedance of 6 to 16Ω CENTER SPEAKER: accepts impedance of 8 to 16Ω REAR SPEAKER: accepts impedance of 8 to 16Ω SUPER WOOFER: Voltage 1V, impedance 1k Ω AV INPUT VIDEO (phone jack): 1Vp-p, 75 Ω MONITOR OUT (phone jack): 1Vp-p, 75Ω
AM tuner section
Tuning range Australian model: 531
- 1,602k Hz (with the AM tuning interval set at 9k...
