Sony TA-WR4 User Manual

SERVICE MANUAL
Sony Corporation
Home Audio Division
Published by Sony Techno Create Corporation
US Model
Canadian Model
AEP Model
UK Model
E Model
Australian Model
SURROUND AMPLIFIER
9-887-226-03
2006I16-1
© 2006.09
Ver. 1.2 2006.09
SPECIFICATIONS
TA-WR4
TA-WR4 is the surround amplifier section
in DAV-DZ810W/DZ820KW/FX900W/
FX900KW.
POWER OUTPUT AND
TOTAL HARMONIC
D
US and Canadian models
US and Canadian models
ISTORTION
(FTC Output Power)
:
:
SL/SR: 84 W/ch 3 ohms at
160 - 20,000 Hz,
0.7 % THD
Surround mode (reference) RMS output power, 10 %
THD
Latin American models: 130 W + 130 W
(with SS-TS55,
SS-TS56W)
Argentine and other models:
140 W + 140 W
(with SS-TS55,
SS-TS56W)
Power requirements
Latin American models: 110 - 240 V AC, 50/60 Hz
120 V AC, 60 Hz
120 V AC, 50/60 Hz
Other models: 220 - 240 V AC, 50/60 Hz
Taiwan model :
Power consumption 50 W
Dimensions (approx.) 280 60 280 mm (w/h/d)
Mass (approx.) 1.6 kg
Design and specifications are subject to change
without notice.

Sony TA-WR4 Specifications

General

Power output	55 watts per channel into 8Ω (stereo)
Frequency response	10Hz to 50kHz
Total harmonic distortion	0.08%
Input sensitivity	2.5mV (MM), 200mV (line)
Dimensions	430 x 135 x 310mm
Weight	7.2kg
Impedance	8 ohms
Speaker load impedance	8Ω to 16Ω

Summary

SPECIFICATIONS

POWER OUTPUT AND TOTAL HARMONIC DISTORTION

Details power output and harmonic distortion specifications.

Power requirements

Lists voltage and frequency requirements for different regions.

Power consumption

Specifies the unit's power consumption.

Dimensions (approx.)

Provides physical dimensions of the unit.

Mass (approx.)

States the unit's approximate weight.

SAFETY CHECK-OUT

LEAKAGE TEST

Procedure to test for AC leakage current from exposed metal parts.

SECTION 1 GENERAL

Surround amplifier

Overview of the surround amplifier unit with front and rear panel indicators and jacks.

SECTION 2 DIAGRAMS

Note for Printed Wiring Boards and Schematic Diagrams

Explains symbols and conventions used in diagrams.

Waveforms

Illustrates signal waveforms for the RX AMP Board.

2-1. BLOCK DIAGRAM

Shows the overall block diagram of the TA-WR4, detailing signal flow.

2-2. PRINTED WIRING BOARD — RX AMP BOARD —

Illustrates the printed wiring board layout for the RX AMP Board.

2-3. SCHEMATIC DIAGRAM — RX AMP BOARD (1/4) —

Provides the first part of the schematic diagram for the RX AMP Board.

2-4. SCHEMATIC DIAGRAM — RX AMP BOARD (2/4) —

Presents the second part of the schematic diagram for the RX AMP Board.

2-5. SCHEMATIC DIAGRAM — RX AMP BOARD (3/4) —

Shows the third part of the schematic diagram for the RX AMP Board.

2-6. SCHEMATIC DIAGRAM — RX AMP BOARD (4/4) —

Displays the fourth part of the schematic diagram for the RX AMP Board.

2-7. PRINTED WIRING BOARD — POWER SECTION —

Illustrates the printed wiring board layout for the Power Section.

2-8. SCHEMATIC DIAGRAM — POWER SECTION —

Provides the schematic diagram for the Power Section.

SECTION 3 EXPLODED VIEWS

3-1. OVERALL SECTION

Exploded view of the entire unit, showing major assemblies and parts.

3-2. AMP SECTION

Exploded view of the amplifier section, showing component parts.

IC Block Diagrams

IC101 XC62HR1502MR

Block diagram for IC101 XC62HR1502MR.

IC102 CXD4017R

Block diagram for IC102 CXD4017R.

IC104 TK11225CMCL-G

Block diagram for IC104 TK11225CMCL-G.

IC105 PST3629NR

Block diagram for IC105 PST3629NR.

DIAT POWER Board (IC901)

Block diagram for IC901 STR-W6735N/STR-W6765N.

IC Pin Function Description

RX AMP BOARD IC100, IC200 CXD9883M

Pin function details for IC100 and IC200 on the RX AMP Board.

RX AMP BOARD IC107 MB89537APFM-G-1018E1 (SYSTEM CONTROLLER)

Pin function description for IC107, the System Controller.

SECTION 4 ELECTRICAL PARTS LIST

DIAT POWER Components

List of electrical parts for the DIAT POWER board.

POWER SWITCH Components

List of electrical parts for the POWER SWITCH board.

RX AMP Components

List of electrical parts for the RX AMP board.

REVISION HISTORY

Ver. 1.0

Initial release of the service manual.

Ver. 1.1

Added support for multiple region models.

Ver. 1.2

Added Taiwan model and updated power cord information.