Sony SA-WRT3 - Service Manual

UFOELK - 2/21/2018 5:23 PM
SERVICE MANUAL
Sony Video & Sound Products Inc.
HT-RT3
SA-WRT3
SPECIFICATIONS
HT-RT3
HOME THEATRE SYSTEM
SA-WRT3
ACTIVE SUBWOOFER
9-890-680-06
2017I33-1
©
2017.09
US Model
Canadian Model
AEP Model
UK Model
E Model
Australian Model
Ver. 1.5 2017.09
• All the units included in the HT-RT3 (SA-WRT3,
SS-RT3/SRT3, remote control) are required to
confi rm the operation of SA-WRT3. Check in
advance that you have all the units.
COMPONENT MODEL NAME
HT-RT3
Bar Speaker (Speaker System) SS-RT3
Surround Speaker (Speaker System) SS-SRT3
Subwoofer (Active Subwoofer) SA-WRT3
• The service manual for SS-RT3/SRT3 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
US models:
POWER OUTPUT AND TOTAL
HARMONIC DISTORTION:
(FTC)
Front L + Front R:
With 2.5 ohms loads, both channels
driven, from 200 Hz – 20,000 Hz;
rated
30 watts per channel minimum
RMS
power, with no more than
1% total harmonic distortion from
250 milliwatts to rated output.
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)
Except US models:
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 (82 ft)
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 (6
3
/
8
in) cone type
General
Power requirements
LA9 models only:
110 V - 240 V AC, 50/60 Hz
US, CND models only:
120 V AC, 60 Hz
EA models only:
127 V – 240 V AC, 50/60 Hz
Except LA9, US, CND, 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
(7
1
/
2
in × 15
1
/
2
in × 12
1
/
2
in)
Mass (approx.)
7.8 kg (17 Ib 4 oz)
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) (E12, LA9,
AR, AUS, SP, EA)
Optical digital cable (1) (US, CND,
AEP, UK)
AC plug adaptor (1) (LA9)
Design and specifi cations are subject to
change without notice.

Summary

Safety Procedures

Safety Check-out and Leakage Test

Outlines safety checks, including AC leakage testing procedures and limits.

Servicing Notes

Component Replacement Guidance

Notes on replacing main board components, Bluetooth module, and handling heat sinks.

Electrical Component Handling

Capacitor Discharge and Bond Fixation

Procedures for discharging capacitors and applying adhesive bonds to components.

Disassembly Procedures

Disassembly Flow and Jigs

Outlines the step-by-step disassembly process and necessary tools.

Front Panel and Loudspeaker Removal

Front Panel Section Disassembly

Instructions for removing the front panel section, including glue setting.

Speaker Board and Main Board Assembly Removal

Speaker CHUKEI PC Board Removal

Main Board Assembly Removal

Main, Connector, and Switching Regulator Removal

Instructions for removing the main board, connector board, and switching regulator.

Test Mode Operations

Cold Reset and Panel Test

Procedures for performing cold reset and panel segment tests.

Software Version and AMP Test

Demo and USB Update Modes

Troubleshooting Common Issues

PRTCT Error Message Troubleshooting

Steps to resolve the "PRTCT" display error on the subwoofer.

HDMI Video and USB Mode Issues

Troubleshooting guide for HDMI video display problems during USB mode.

Troubleshooting Audio and Power

No Sound Output Troubleshooting

Guide for diagnosing and resolving issues with no sound output.

Power and Voltage Troubleshooting

Power On and Voltage Issues

Steps to troubleshoot when the unit does not power on or has voltage problems.

USB and Display Troubleshooting

USB Detection Issues

Troubleshooting steps for when the USB device cannot be detected.

Display Panel Malfunction

Steps to diagnose and fix a non-functional display panel.

System Diagrams

Main Control Block Diagram

Audio System Diagrams

Audio Section Block Diagram

Power Supply Diagrams

Power Supply Block Diagram

Exploded Views

Overall and Chassis Section Exploded Views

Main Board Section Exploded View

Electrical Parts List

Parts List Conventions and Abbreviations

Sony SA-WRT3 Specifications

General

Brand	Sony
Model	SA-WRT3
Category	Home Theater System
Language	English