Sony SA-CT770 User Manual

SERVICE MANUAL
Sony Corporation
Published by Sony Techno Create Corporation
HT-CT770
SA-CT770
SPECIFICATIONS
HT-CT770
SOUND BAR
SA-CT770
ACTIVE SPEAKER SYSTEM
9-893-982-02
2014F33-1
©
2014.06
US Model
Canadian Model
AEP Model
UK Model
Australian Model
Chinese Model
Saudi Arabia Model
Singapore Model
Taiwan Model
Ver. 1.1 2014.06
• All of the units included in the HT-CT770 (SA-CT770/
SA-WCT770) are required to confi rming operation of SA-
CT770. Check in advance that you have all of the units.
COMPONENT MODEL NAME
HT-CT770
Bar Speaker (Active Speaker System) SA-CT770
Subwoofer (Active Subwoofer) SA-WCT770
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 - 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: 105 Watts (per channel at 4 ohms, 1 kHz)
Except US model:
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: 105 Watts (per channel at 4 ohms, 1 kHz)
Inputs
HDMI IN 1/2/3*
ANALOG IN
DIGITAL IN (OPT (TV))
* These 3 jacks are identical. Using any of them makes no difference.
Output
HDMI OUT (TV (ARC))
BLUETOOTH section
Communication system
BLUETOOTH Specification version 3.0
Output
BLUETOOTH Specification Power Class 2
Maximum communication range
Line of sight approx. 10 m (33 ft)
1)
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)
Compatible BLUETOOTH profiles
2)
A2DP (Advanced Audio Distribution Profile)
AVRCP 1.3 (Audio Video Remote Control Profile)
Supported Codecs
3)
SBC
4)
, AAC
5)
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
Front L/Front R speaker section
Speaker system
2-way speaker system, Acoustic suspension
Speaker
60 mm (2 3/8 in) cone type woofer
20 mm (13/16 in) balance drive tweeter
Rated impedance
4 ohms
General
Power requirements
120 V AC, 60 Hz (US and Canadian models)
220 V - 240 V AC, 50 Hz/60 Hz
(AEP, UK, Australian, Chinese and Singapore models)
110 V - 240 V AC, 50 Hz/60 Hz (Saudi Arabia model)
120 V AC, 50 Hz/60 Hz (Taiwan model)
Power consumption
On: 34 W
Standby mode (Control for HDMI is set to on): 0.5 W or less
Standby mode (Control for HDMI is set to off): 0.3 W or less
BLUETOOTH Standby mode: 0.5 W or less
Dimensions (approx.) (w/h/d)
1030 mm × 50 mm × 113 mm (40 5/8 in × 2 in × 4 1/2 in)
(without wall mountin
g brackets)
1030 mm × 113 mm × 72 mm (40 5/8 in × 4 1/2 in × 2 7/8 in)
(with wall mounting brackets)
Mass (approx.)
2.6 kg (5 Ib 11 3/4 oz)
Speaker system
Wireless Sound Specification version 2.0
Frequency band
2.4 GHz (2.4000 GHz - 2.4835 GHz)
Modulation method
Pi / 4 DQPSK
Digital audio input formats supported by the system
* It is possible to input these formats only with HDMI connection.
Wireless transmitter section
Dolby Digital DTS-HD Master Audio*
Dolby Digital Plus* DTS-HD High Resolution Audio*
Dolby TrueHD* DTS-HD Low Bit Rate*
DTS Linear PCM 2ch 48 kHz or less
DTS 96/24 Linear PCM Maximum 7.1ch 192 kHz or less*
– Continued on next page –

Sony SA-CT770 Specifications

General

Type	Sound Bar
Channels	2.1
Subwoofer	Wireless
Bluetooth	Yes
HDMI Inputs	3
NFC	Yes
DVD Player	No
USB Port	Yes
HDMI Output	1
Audio Formats Supported	Dolby Digital, DTS

Summary

Servicing Notes

Unleaded Solder

Characteristics and handling of unleaded solder for board repair.

Capacitor Electrical Discharge Processing

Safety procedure for discharging capacitors before checking boards.

Protect (Protect) Appears on Display

Troubleshooting step for the PROTECT indicator on the display.

Disassembly

2-1. Disassembly Flow

Step-by-step guide for disassembling the set.

2-2. Panel Top Block-1

Procedure for removing the first panel top block assembly.

2-3. Panel Top Block-2

Procedure for removing the second panel top block assembly.

Test Mode

Test Modes Other Than Test Mode Menu

Test modes executable without entering the main test mode menu.

Test Modes in the Test Mode Menu

Test modes accessible via the test mode menu.

2-1. Panel Test Mode

Verifies lighting, button operations, and display functions.

Troubleshooting

1. "PRTECT" Display After Power On

Diagnosing and resolving the PROTECT error display issue.

2. HDMI Video Not Displayed Normally

Troubleshooting steps for HDMI video output problems.

3. Sound Not Outputted

Procedures for diagnosing and fixing no sound output issues.

Diagrams

5-1. Block Diagram - HDMI Section

High-level overview of the HDMI signal path and components.

5-2. Block Diagram - MAIN Section

High-level overview of the main processing and audio signal flow.

5-4. Block Diagram - Panel/Power Supply Section

Block diagram showing panel interface and power supply functions.

Circuit Boards Location

For Printed Wiring Boards

Reference for printed wiring board diagrams.

For Schematic Diagrams

Reference for schematic diagrams of the circuitry.

IC Pin Function Description

HDMI Board IC3009 SI19535CTUC (HDMI Transceiver)

Pin details for the HDMI transceiver IC.

Main Board IC1002 R5F3650RDFB#30 (System Controller)

Pin details for the system controller IC.

Exploded Views

6-1. Overall Section

Exploded view of the entire unit showing major assemblies.

6-2. Top Panel Section

Exploded view detailing the top panel components and their disassembly.

Electrical Parts List

Capacitors

List of capacitors used in the system with their specifications.

Resistors

List of resistors used in the system with their specifications.

Connectors

List of connectors used in the system with their part numbers.

Accessories

Manuals

Details for various language instruction manuals.

Remote Commander

Information on the remote commander models included.

Revision History