Sony STR-W777 User Manual

STR-W777
AEP Model
UK Model
E Model
Australian Model
SERVICE MANUAL
FM STEREO/FM-AM RECEIVER
MICROFILM
SPECIFICATIONS
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
DIN power output (Rated) (FRONT)
95 + 95W (6 Ω at 1kHz DIN)
Continuous RMS power output (Reference)
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)
The following measured at AC 120, 220, 240V 50/60Hz
DIN power output (Rated) (FRONT)
100 + 100W (6 Ω at 1kHz DIN)
Continuous RMS power output (Reference)
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)
Peak music power output 2400W
(AEP, UK, East European, CIS)
DIN power output (Rated) (FRONT)
80 + 80W (6 Ω at 1kHz DIN)
Continuous RMS power output (Reference)
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)
Music power output (Reference)
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)
Inputs 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
— Continued on next page —

Sony STR-W777 Specifications

General

Frequency Response	10Hz to 50kHz
Weight	12.3kg
Type	Receiver
Outputs	Composite video, S-Video
Tuning range	FM

Summary

Specifications

Amplifier Section Specifications

Details power output, impedance, and THD for amplifier section.

Tuner Section Specifications

Covers FM/AM tuner frequency ranges, IF, and aerial specifications.

General Specifications

Includes power requirements, consumption, dimensions, and mass.

General

Front Panel Controls

Identifies and explains the functions of front panel buttons and dial.

Rear Panel Connections

Identifies and explains the functions of rear panel terminals and jacks.

Disassembly Procedures

Sliding Panel Assembly Disassembly

Step-by-step guide for disassembling the sliding panel.

Service Modes

Reset and Aging Modes

Details MC Cold/Hot Reset, CD Delivery, Sled Servo, and Aging modes.

Function and Tuner Step Changes

Explains changing function names and AM tuner step settings.

Electrical Adjustments

Indicator and Aging Mode Tests

Covers key check, CD/Tape aging, and panel aging modes.

Tuner Level and Polar Adjustments

Details AM/FM tuned level and FM polar adjustments.

Diagrams and Schematics

Circuit Boards Location

Visual guide to the placement of all circuit boards within the unit.

Block Diagrams

Signal flow block diagrams for sections like the tuner.

Schematic and Printed Wiring Diagrams

Detailed circuit schematics and component layouts for various sections.

IC Block Diagrams and Pin Functions

Diagrams for integrated circuits and their pin assignments.

Exploded Views

Case, Panel, and Slide Mechanism

Exploded views of the main exterior and sliding panel components.

Front Panel and Circuit Boards

Exploded views of the front panel, circuit boards, and back panel.

Electrical Parts List

Component Listings by Type

Comprehensive lists of capacitors, resistors, transistors, diodes, and ICs.

Connectors, Switches, and Filters

Lists of connectors, switches, filters, and other parts.