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SERVICE MANUAL
Ver. 1.1 2015.04
• All of the units included in the HT-
CT380/CT381 (SA-CT380/CT381,
SA-WCT380/WCT381, Remote con-
trol) are required to confi rming opera-
tion of SA-CT380/CT381. Check in
advance that you have all of the units.
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.
COMPONENT MODEL NAME
Bar Speaker (Active Speaker System)
Subwoofer (Active Subwoofer)
• Please refer to service manual separately issued for Subwoofer.
Amplifier section
U.S. models:
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION:
(FTC)
Front L + Front R:
With 4 ohms loads, both channels
driven, from 200 Hz - 20,000 Hz; rated
35 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: 100 Watts (per
channel at 4 ohms, 1 kHz)
Other models:
POWER OUTPUT (rated)
Front L + Front R:
50 W + 50 W (at 4 ohms, 1 kHz, 1%
THD)
POWER OUTPUT (reference)
Front L/Front R: 100 Watts (per
channel at 4 ohms, 1 kHz)
Inputs
HDMI IN* 1/2/3
ANALOG IN
DIGITAL IN (TV)
Outputs
HDMI OUT (ARC)
* The 1, 2, and 3 jacks are
identical. Using any of them makes no
difference.
HDMI Section
Connector
Type A (19pin)
9-896-145-02
Sony Corporation
2015D33-1
©
2015.04
Published by Sony Techno Create Corporation
HT-CT380/CT381
HT-CT380
HT-CT381
SA-CT380
SA-CT381
SA-WCT380
SA-WCT381

SPECIFICATIONS

BLUETOOTH section
Communication system
BLUETOOTH Specification version 3.0
Output
BLUETOOTH Specification Power Class
2
Maximum communication range
1)
Line of sight approx. 10 m (33 ft)
Maximum number of devices to be
registered
9 devices
Frequency band
2.4 GHz band (2.4000 GHz -
2.4835 GHz)
Modulation method
FHSS (Freq Hopping Spread Spectrum)
2)
Compatible BLUETOOTH profiles
A2DP 1.2 (Advanced Audio Distribution
Profile)
AVRCP 1.3 (Audio Video Remote
Control Profile)
3)
Supported Codecs
4)
5)
SBC
, AAC
Transmission range (A2DP)
20 Hz - 20,000 Hz (Sampling frequency
44.1 kHz)
1)
The actual range will vary depending on
factors such as obstacles between
devices, magnetic fields around a
microwave oven, static electricity,
cordless phone, reception sensitivity,
operating system, software application,
etc.
2)
BLUETOOTH standard profiles indicate
the purpose of BLUETOOTH
communication between devices.
3)
Codec: Audio signal compression and
conversion format
4)
Subband Codec
5)
Advanced Audio Coding
Photo: SA-CT380
Front L/Front R speaker section
Speaker system
Full range speaker system,
Acoustic suspension
Speaker
3
60 mm (2
/
in) cone type
8
General
Power requirements
120 V AC, 60 Hz (US and Canadian models)
110 V - 240 V AC, 50 Hz/60 Hz (PX model)
220 V - 240 V AC, 50 Hz/60 Hz (Other models)
Power consumption
On: 37 W
Standby: 0.3 W or less
(at the Power saving mode)
Standby: 0.5 W or less
(When [S. THRU] is [ON]: 6 W or less)
Dimensions (approx.) (w/h/d)
1
900 mm × 51 mm × 117 mm (35
/
in ×
2
1
5
2
/
in × 4
/
in) (without wall
8
8
mounting brackets)
1
900 mm × 120 mm × 72 mm (35
/
in ×
2
3
7
4
/
in × 2
/
in) (with wall mounting
4
8
brackets)
Mass (approx.)
5
2.4 kg (5 lb 4
/
oz)
8
ACTIVE SPEAKER SYSTEM
SA-CT380/CT381
US Model
Canadian Model
E Model
Australian Model
PX Model
HT-CT380/SA-CT380
AEP Model
UK Model
HT-CT380/CT381/SA-CT380/CT381
Wireless transmitter section
Speaker system
Wireless Sound Specification version
2.0
Frequency band
2.4 GHz (2.4000 GHz - 2.4835 GHz)
Modulation method
Pi / 4 DQPSK
Supplied accessories
Remote control (1)
R03 (size AAA) batteries (2)
Optical digital cable (1)
Wall mounting brackets (2) and screws (2)
Speaker pads for the subwoofer (4)
Startup Guide (1)
Operating Instructions (1)
Design and specifications are subject to
change without notice.
HT-CT380/CT381

SOUND BAR

SA-CT380/CT381

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Summarization of Contents

Servicing Notes
Unleaded Solder
Information on handling lead-free solder and its characteristics.
Capacitor Electrical Discharge Processing
Procedure for safely discharging capacitors before servicing.
Model Identification
How to identify different model variations based on labels.
Disassembly
Disassembly Flow
Sequential steps for disassembling the unit.
Top and Front Assembly Disassembly
Procedures for removing top cabinet, speakers, NFC, and display.
Internal Component Disassembly
Steps for removing power board, cables, key board, RF module, and main board.
Chassis and Service Position
Removing chassis and preparing for service.
Test Mode
Standalone Test Modes
Includes Cold Reset.
Test Mode Menu Operations
Accessing and performing tests via the Test Mode Menu.
Troubleshooting
"PRTECT" Display Error
Troubleshooting steps for the "PRTECT" error message.
No Sound Output
Diagnosing and fixing issues with no audio output.
Power Not Turned On
Steps to resolve problems with the unit not powering on.
HDMI Video/Audio Output Issue
Diagnosing and fixing HDMI signal problems.
Diagrams
Block Diagrams
High-level overview of system sections like HDMI, Main, AMP.
Printed Wiring Boards
Component layout diagrams for Main, Display, and Power boards.
Schematic Diagrams
Detailed electrical circuit diagrams for system sections.
IC Block Diagrams
Block diagrams of key integrated circuits.
IC Pin Function Description
Detailed pin assignments and functions for main ICs.
Exploded Views
Overall Section
Exploded view of the entire unit's main assemblies.
Top Cabinet Section
Exploded view of the top part of the unit's cabinet.
Bottom Cabinet Section
Exploded view of the bottom part of the unit's cabinet.
Main Board Section
Exploded view focusing on the main board and its mounting.
Electrical Parts List
Display Board Parts
List of electronic components for the display board.
Main Board Parts
List of electronic components for the main board.
Power Board Parts
List of electronic components for the power board.
Accessories
List of included accessories like cables and manuals.

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