Sony STR-DA777ES User Manual

STR-DA777ES/V777ES
US Model
Canadian Model
E Model
Australian Model
PX Model
STR-DA777ES
Chinese Model
STR-V777ES
SERVICE MANUAL
FM STEREO FM-AM RECEIVER
MICROFILM
— Continued on next page —
SPECIFICATIONS
Manufactured under license from Dolby Laboratories
Licensing Corporation.
Dolby, “DOLBY”, the double-D symbol ;, AC-3 and
“Pro Logic” are trademarks of Dolby Laboratories
Licensing Corporation.
Photo : STR-DA777ES
AUDIO POWER
SPECIFICATIONS
POWER OUTPUT AND
TOTAL HARMONIC
DISTORTION:
With 8 Ω 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
milliwatts to rated output.
(US model only)
Audio section
POWER OUTPUT
Stereo mode 8 Ω
120 W + 120 W
4 Ω
100 W + 100 W
(THD 0.05%,
20 Hz - 20 kHz)*
(DIN 1 kHz)
Surround mode
8 Ω
Front: 120W + 120W
Center
a)
: 120W
Rear
a)
:
120W + 120W
4 Ω
Front: 100W + 100W
Center
a)
: 100W
Rear
a)
:
100W + 100W
(THD 0.05%,
20 Hz - 20 kHz)*
(DIN 1 kHz)
* US/Canadian models only .
a) Depending on the sound field settings and
the source, there may be no sound output.
Frequency response
PHONO:
20 Hz ~ 20 kHz
RIAA ±0.5 dB
LINE (TUNER, CD,
MD/DAT, TAPE,
TV/SAT or TV/LD,
DVD/LD or DVD,
VIDEO 1, 2, and
VIDEO 3):
10 Hz ~ 100 kHz
+0.5/–2.0 dB
(ANALOG DIRECT)
Signal-to-noise ratio
DIGITAL: 100 dB
(A, 20 kHz LPF)
PHONO: 86 dB**
(A, 5 mV)
LINE: 100 dB**
(A, 20 kHz LPF)
** ANALOG DIRECT
Inputs (Analog)
PHONO:
Sensitivity: 4 mV
Impedance:
50 kΩ
LINE (TUNER, CD,
MD/DAT, TAPE,
TV/SAT or TV/LD,
DVD/LD or DVD,
VIDEO 1, 2, and
VIDEO 3):
Sensitivity: 200 mV
Impedance:
50 kΩ
Inputs (Digital)
Coaxial (DVD/LD or
DVD, CD) :
Sensitivity: –
Impedance: 75 Ω
Optical (DVD/LD or
DVD, TV/SAT or
TV/LD, MD/DAT) :
Sensitivity: –
Impedance: –
Outputs (Analog)
REC OUT
(MD/DAT, TAPE,
VIDEO 1, 2, 3):
Voltage: 200 mV,
Impedance:
1 kΩ
PRE OUT
(FRONT L/R,
CENTER,
REAR L/R,
SUB WOOFER):
Voltage: 2 V
Impedance:
1 kΩ
PHONES:
Accepts low- and
high-impedance
headphones
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Sony STR-DA777ES Specifications

General

Audio Channels	7.1
Frequency Response	10 Hz - 100 kHz
Digital inputs	3 (2 optical, 1 coaxial)
Weight	20 kg
Channel Separation	70 dB
Power Output (per channel)	100W
Power output	100 W (8 ohms)
Signal to noise ratio	> 100 dB
Speaker load impedance	8 ohms
Damping factor	100
Video Connections	Composite, S-Video
Dimensions	430 x 428 mm
Signal-to-Noise Ratio	> 100 dB
Audio Inputs	4 x analog, 1 x phono
Digital Outputs	1 coaxial
Video Inputs	Composite, S-Video
Video Outputs	Composite, S-Video
Tuning range	FM: 87.5 - 108 MHz, AM: 530 - 1710 kHz
Inputs	6 analog, 3 digital (2 optical, 1 coaxial)

Summary

Service Manual Introduction and Specifications

Audio Power Specifications

Details on power output and total harmonic distortion for the receiver.

General Receiver Specifications

Frequency response, signal-to-noise ratio, input/output details, and impedance.

Model Identification

Lists different models (US, Canadian, E, PX, etc.) and their part numbers.

Safety and Adjustments

Safety Check-out Procedures

Essential safety checks, AC leakage testing, and warnings for critical components.

Electrical Adjustment Procedures

Specific steps for adjusting circuit parameters like BIAS on the AMP board.

Diagrams and Schematics

Circuit Board Location Guide

Identifies the physical location of all circuit boards within the unit.

Block Diagrams Overview

Visual representation of signal paths in Main, Digital, Control, and Power sections.

Schematic Diagrams

Detailed circuit schematics for key sections like Audio, Video, Digital, and Amplifier.

IC Pin Function Reference

Detailed pin assignments and functions for integrated circuits used in the unit.

Component Information and Parts List

Exploded Views of Unit Sections

Visual guides showing how the case, chassis, front, and back panels are assembled.

Electrical Parts List

Comprehensive list of all components with part numbers, descriptions, and remarks.