Sony TA-AV581 Service Manual

TA-AV581
AEP Model
E Model
Australian Model
SERVICE MANUAL
INTEGRATED AV AMPLIFIER
MICROFILM
Manufactured under license from Dolby Laboratories
Licensing Corporation.
“DOLBY” and the double-D symbol a and “Pro
Logic” are trademarks of Dolby Laboratories
Licensing Corporation.
SPECIFICATIONS
Amplifier section
European models:
(FRONT)
DIN power output
100 W + 100 W (at rear/center/
woofer off at 1 kHz, 8 Ω)
Continuous RMS power output
120 W + 120 W (at rear/center/
woofer off at 1 kHz, 10%
T.H.D., 8 Ω)
80 W/ch (at SURROUND ON
at 1 kHz, 10% T.H.D., 8 Ω)
(REAR) 50 W (at front/center/woofer
off at 1 kHz, 8 Ω)
(CENTER) 50 W (at front/rear/woofer off
at 1 kHz, 8 Ω)
(WOOFER) 80 W (at front/rear/center off
at 40 Hz, 4 Ω)
Other models:
Peak music power output
1900 W (total)
(FRONT)
Continuous RMS power output
100 W + 100 W (at rear/center/
woofer off at 1 kHz, 10%
T.H.D., 8 Ω)
(REAR) 50 W (at front/center/woofer
off at 1 kHz, 8 Ω)
(CENTER) 50 W (at front/rear/woofer off
at 1 kHz, 8Ω)
(WOOFER) 80 W (at front/rear/center off at
40 Hz, 4 Ω)
Inputs
PHONO (phono jacks):
sensitivity 2.5 mV,
impedance 50 kΩ
CD (phono jacks):
sensitivity 400 mV,
impedance 50 kΩ
TUNER, TAPE, VIDEO1,2 (phono jacks):
sensitivity 250 mV,
impedance 50 kΩ
Outputs
TAPE REC OUT, VIDEO 1 (phono jacks):
voltage 250 mV,
impedance 1 kΩ
PHONES (stereo phone jack):
accepts low and high
impedance headphones
TONE ± 10dB at 100 Hz and 10 kHz
General
Power requirements
European, Australian and Singaporean models:
230 V AC, 50/60 Hz
Other models: 110-120 V AC or
220-240 V AC, 50/60 Hz
(adjustable with the voltage
selector)
Power consumption
180 W
AC outlets 3 switched, total 100 W max.
Dimensions (w/h/d)
Approx. 430 × 160 × 355 mm
Mass Approx. 8.5 kg
Supplied accessories
Remote RM-U581 (1)
Sony SUM-3 (NS) batteries (2)
Design and specifications are subject to change
without notice.
• This set is the amplifier
section in SEN-T581.

Sony TA-AV581 Specifications

General

Speaker load impedance	4 - 16 ohms
Input Sensitivity	200 mV
Signal-to-Noise Ratio	100 dB
Output	Speaker Outputs
Video Connections	Composite
Dimensions	430 x 330 x 130 mm
Power Output	100 W per channel (8 ohms)

Summary

Technical Specifications

Amplifier Performance Details

Details amplifier section power outputs and performance metrics for European models.

General Operating Specifications

Covers power requirements, dimensions, mass, and supplied accessories for the unit.

Service and Test Modes

Service Test Mode Procedures

Instructions for entering and operating the unit's service test modes.

Indicator and Key Check Modes

Details on fluorescent tube, LED, AMP, and KEY check modes within the service test.

Controls and Connections

Front Panel Control Identification

Identifies and describes the function of each button and knob on the front panel.

Rear Panel Connection Terminals

Identifies speaker terminals, AC outlet, and input/output jacks on the rear panel.

Circuit Diagrams and Layouts

Circuit Board Location Overview

Map showing the physical placement of the main circuit boards within the unit.

Display Section Diagrams

Printed wiring board and schematic diagrams for the display section.

Power Section Diagrams

Printed wiring boards and schematic diagram for the power section.

Main Section Diagrams

Printed wiring board and schematic diagrams for the main section.

IC Pin Function Descriptions

Detailed pinout and function descriptions for key integrated circuits.

IC Block Diagrams

Functional block diagrams illustrating the internal operations of key integrated circuits.

Exploded Views and Parts Lists

Front Panel Assembly Exploded View

Visual breakdown of the front panel components for service and replacement.

Chassis Assembly Exploded View

Visual breakdown of the chassis and internal mechanical components for service.

Parts List: Display Components

List of electronic components for the display section, including part numbers.

Parts List: Main Board Components

List of electronic components for the main board, including part numbers.