Sony SA-WRT4 - User Manual

SERVICE MANUAL
Sony Corporation
Published by Sony EMCS (Malaysia) PG Tec
HT-RT4/RT40
SA-WRT4/WRT40
SPECIFICATIONS
HT-RT4/RT40
HOME THEATRE SYSTEM
SA-WRT4/WRT40
ACTIVE SUBWOOFER
9-890-690-01
2017E81-1
©
2017.05
AEP Model
UK Model
HT-RT4
E Model
Australian Model
HT-RT40
Ver. 1.0 2017.05
• All the units included in the HT-RT4/RT40
(SA-WRT4/WRT40, SS-RT4/SRT4, remote
control) are required to confi rm the operation
of SA-WRT4/WRT40. Check in advance that
you have all the units.
COMPONENT MODEL NAME
HT-RT4 HT-RT40
Bar Speaker (Speaker System) SS-RT4 SS-RT4
Surround Speaker (Speaker System) SS-SRT4 SS-SRT4
Subwoofer (Active Subwoofer) SA-WRT4 SA-WRT40
• The service manual for SS-RT4/SRT4 has been issued separately.
Please refer to the service manual for information.
Note:
Be sure to keep your PC used for service and
checking of this unit always updated with the
latest version of your anti-virus software.
In case a virus affected unit was found during
service, contact your Service Headquarters.
Amplifi er section
POWER OUTPUT (rated)
Front L + Front R:
35 W + 35 W (at 2.5 ohms, 1 kHz,
1% THD)
POWER OUTPUT (reference)
Front L/Front R/Surround L/
Surround R:
65 W (per channel at 2.5 ohms,
1 kHz)
Center:
170 W (at 4 ohms, 1 kHz)
Subwoofer:
170 W (at 4 ohms, 1 kHz)
Inputs
USB
ANALOG IN
TV IN (OPTICAL)
Output
HDMI OUT (ARC)
HDMI section
Connector
Type A (19pin)
USB section
(USB) port
Type A
BLUETOOTH section
Communication system
BLUETOOTH Specifi cation
version 4.2
Output
BLUETOOTH Specifi cation
Power Class 1
Maximum communication range
Line of sight approx. 25 m
1)
Frequency band
2.4 GHz band (2.4000 GHz –
2.4835 GHz)
Modulation method
FHSS (Freq Hopping Spread
Spectrum)
Compatible BLUETOOTH profi les
2)
A2DP 1.2 (Advanced Audio
Distribution Profi le)
AVRCP 1.6 (Audio Video Remote
Control Profi le)
Supported Codecs
3)
SBC
4)
, AAC
5)
Transmission range (A2DP)
20 Hz – 20,000 Hz (Sampling
frequency 32 kHz, 44.1 kHz,
48 kHz)
1)
The actual range will vary depending
on factors such as obstacles between
devices, magnetic fi elds around a
microwave oven, static electricity,
cordless phone, reception sensitivity,
antenna’s performance, operating
system, software application, etc.
2)
BLUETOOTH standard profi les
indicate the purpose of BLUETOOTH
communication between devices.
3)
Codec: Audio signal compression and
conversion format
4)
Subband Codec
5)
Advanced Audio Coding
Speaker section
Speaker system
Subwoofer system, Bass refl ex
Speaker
160 mm cone type
General
Power requirements
LA9 models only:
110 V - 240 V AC, 50/60 Hz
EA models only:
127 V – 240 V AC, 50/60 Hz
Except LA9, EA models:
220 V – 240 V AC, 50/60 Hz
Power consumption
On: 85 W
Standby: 0.5 W or less (Power
saving mode)
(When “CTRL” in “HDMI>” and
“BTSTB” in “BT >” are set to
“OFF”)
Standby: 2.8 W or less
6)
(When “CTRL” in “HDMI>”
or “BTSTB” in “BT >” is set to
“ON”)
Dimensions (w/h/d) (approx.)
190 mm × 392 mm × 315 mm
Mass (approx.)
7.8 kg
6)
The system will automatically enter
Power saving mode when there is
no HDMI connection and no BLUE-
TOOTH pairing history, regardless
of the settings you have made for
“CTRL” in “HDMI>” and “BTSTB”
in “BT >”.
Supplied accessories
Remote control (1)
R03 (size AAA) batteries (2)
High Speed HDMI cable (1) (HT-RT40)
Optical digital cable (1) (HT-RT4)
Speaker bases (2)
Screws (8)
AC plug adaptor (1) (HT-RT40: LA9)
Design and specifi cations are subject to
change without notice.
Photo: HT-RT4

Summary

Specifications

System Specifications

Details amplifier, speaker, general, and accessory specifications for the HT-RT4/RT40 system.

Servicing Notes

Solder Handling and Preparation

Guidelines for working with unleaded solder and preparing for operation checks.

Component Replacement Notes

Important considerations for replacing specific components like ICs and Bluetooth modules.

Disassembly

Disassembly Flow

Outlines the step-by-step procedure for disassembling the unit.

Front Panel Removal

Instructions for removing the front panel sections.

Component Removal

Procedures for removing loudspeaker, chassis, Bluetooth module, and main boards.

Test Mode

Diagnostic Test Procedures

Covers Cold Reset, Panel Test, Amp Test, Demo, and USB Update modes.

Troubleshooting

PRTCT Display Error Diagnosis

Steps to diagnose and resolve the "PRTCT" error message.

HDMI and USB Connectivity Issues

Troubleshooting for problems with HDMI video display and USB detection.

Audio Output and Power Failures

Diagnosing and fixing issues with no sound output and power on failures.

Diagrams

Block Diagrams

System overview including Main Control, Audio, and Power Supply sections.

Circuit Board Diagrams

Printed wiring boards and schematics for Main, EG4 OLED, Touch, Speaker, Connector, and USB boards.

Exploded Views

Assembly and Component Views

Exploded views of the overall assembly and specific sections like chassis and main board.

Electrical Parts List

Component Parts Listing

Lists electrical parts including connectors, semiconductors, and transistors.

Sony SA-WRT4 Specifications

General

Brand	Sony
Model	SA-WRT4
Category	Home Theater System
Language	English