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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 con

fi

 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 

(19pin)

USB section

 (USB) port

 Type 

A

BLUETOOTH section

Communication system

 BLUETOOTH 

Speci

fi

 cation 

 

version 4.2

Output

 BLUETOOTH 

Speci

fi

 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 pro

fi

 les

2)

 

A2DP 1.2 (Advanced Audio 

 Distribution 

Pro

fi

 le)

 

AVRCP 1.6 (Audio Video Remote 

 Control 

Pro

fi

 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 pro

fi

 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 re

fl

 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 

 

 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 speci

fi

 cations are subject to 

change without notice.

Photo: HT-RT4

Summary of Contents for HT-RT4

Page 1: ...5 m1 Frequency band 2 4 GHz band 2 4000 GHz 2 4835 GHz Modulation method FHSS Freq Hopping Spread Spectrum Compatible BLUETOOTH profiles2 A2DP 1 2 Advanced Audio Distribution Profile AVRCP 1 6 Audio Video Remote Control Profile Supported Codecs3 SBC4 AAC5 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 obst...

Page 2: ...Inc and any use of such marks by Sony Corporation is under license Other trademarks and trade names are those of their respective owners This system incorporates High Definition Multimedia Interface HDMI technology The terms HDMI and HDMI High Definition Multimedia Interface and the HDMI Logo are trademarks or registered trademarks of HDMI Licensing LLC in the United States and other countries The...

Page 3: ...r RCA WT 540A Follow the manufacturers instructions to use these instruments 2 A battery operated AC milliammeter The Data Precision 245 digital multimeter is suitable for this job 3 Measuring the voltage drop across a resistor by means of a VOM or battery operated AC voltmeter The limit indication is 0 75 V so analog meters must have an accurate low voltage scale The Simpson 250 and Sanwa SH 63Tr...

Page 4: ...BLE OF CONTENTS 5 4 Printed Wiring Boards MAIN Board RT4 EG4 MAIN Board RT40 25 5 5 Printed Wiring Boards EG4 OLED CHUKEI PC Board 26 5 6 Schematic Diagram EG4 OLED CHUKEI PC Board 26 5 7 Printed Wiring Board TOUCH Board 27 5 8 Schematic Diagram TOUCH Board 27 5 9 Printed Wiring Board SPEAKER CHUKEI PC BOAR Board 28 5 10 Schematic Diagram SPEAKER CHUKEI PC BOAR Board 28 5 11 Printed Wiring Board C...

Page 5: ...he units NOTE OF PERFORMING THE OPERATION CHECK IN THE STATE THAT HEAT SINK WAS REMOVED When performing the operation check in the state that this unit was disassembled it is possible to perform the operation check in the state that heat sink was removed But don t perform the operation check in the long time and perform the operation check in the volume state as low as possible IF PRTCT APPEARS IN...

Page 6: ...ect boards 1 REGULATOR SWITCHING 3L405W 4 board Except E12 2 REGULATOR SWITCHING 3L405W 5 board E12 3 MAIN board RT4 or EG4 MAIN board RT40 Use bond Part No Description 7 600 020 70 ADHESIVE SC608Z2 180ML Parts position 1 REGULATOR SWITCHING 3L405W 4 board Except E12 page 6 2 REGULATOR SWITCHING 3L405W 5 board E12 page 6 3 MAIN board RT4 or EG4 MAIN board RT40 page 7 1 REGULATOR SWITCHING 3L405W 4...

Page 7: ...Part No AEP 4 693 264 1 UK 4 693 264 2 E12 4 693 264 3 AUS 4 693 264 4 SP 4 693 264 5 LA9 4 693 264 6 AR 4 693 264 7 EA 4 693 264 8 E3 4 693 265 1 Abbreviation AR Argentina model AUS Australian model E3 240 V AC area in E model E12 220 240 V AC area in E model EA Saudi Arabia model LA9 Latin American model SP Singapore model 3 MAIN board RT4 or EG4 MAIN board RT40 C1008 C1043 C1040 C1009 CN3400 Th...

Page 8: ... jig for speaker removal Part No Description J 2501 238 A JIG FOR SPEAKER REMOVAL 2 4 LOUDSPEAKER 16CM Page 11 2 5 CHASSIS SECTION Page 12 2 2 FRONT PANEL SECTION 1 Page 9 2 6 BLUETOOTH MODULE Page 12 2 3 FRONT PANEL SECTION 2 Page 10 2 7 SPEAKER CHUKEI PC BOAR BOARD Page 13 2 8 MAIN BOARD RT4 EG4 MAIN BOARD RT40 CONNECTOR BOARD SWITCHING REGULATOR Page 14 SET ...

Page 9: ... front panel section is removed 3 All bosses are removed while moving jig in the direction of the arrow and front panel section is removed Please spread a sheet under a unit not to injure cabinet 2 Insert the jig into a space and raise front panel section Note 2 When using a jig please work so as not to injure front panel section and cabinet 2 Insert the jig into a space and raise front panel sect...

Page 10: ...remove the used glue and use a new glue to fix the front panel section 2 CN3000 5P 3 wire flat type 20 core CN5009 4 front panel section Note 3 Front view a b c d e f g h Note 1 colored line Insert is straight to the interior wire flat type connector OK colored line Insert is incline connector NG When installing the wire flat type ensure that the colored line is not slanted after insertion wire fl...

Page 11: ...m loudspeaker 16cm terminal position QVWDOODWLRQ GLUHFWLRQ IRU WKH ORXGVSHDNHU FP terminal wide side LUH VHWWLQJ front side terminal narrow side Note When you install the connector please install them correctly There is a possibility that this machine damages when not correctly installing it Insert is shallow Insert is straight to the interior connector Insert is incline connector connector connec...

Page 12: ...Rear view 5 holder BT 2 one screw BVTP 3 X 8 TYPE2 IT 3 3 BLUETOOTH module 4 two screws BVTP 3 X 8 TYPE2 IT 3 1 wire flat type 18 core CN2002 Rear view Note When installing the wire flat type ensure that the colored line is not slanted after insertion colored line colored line Insert is straight to the interior Insert is incline wire flat type wire flat type connector connector OK NG ...

Page 13: ...flat type 18 core top side Note 2 When you install the connector please install them correctly There is a possibility that this machine damages when not correctly installing it Insert is shallow Insert is straight to the interior connector Insert is incline connector connector connector connector connector OK NG NG Note 1 When installing the wire flat type ensure that the colored line is not slant...

Page 14: ...N board RT40 7 heat sink EL SW Note When installing the heat sink EL SW spread the compound referring to NOTE OF REPLACING THE IC1000 AND IC1002 ON THE MAIN BOARD RT4 OR EG4 MAIN BOARD RT40 AND THE COMPLETE MAIN BOARD RT4 OR COMPLETE EG4 MAIN BOARD RT40 on page 5 Rear view Note 1 When installing the wire flat type ensure that the colored line is not slanted after insertion colored line colored lin...

Page 15: ...een display panel 3 In the state of step 2 press DIMMER button on the remote commander Each time the DIMMER button is pressed the message will appear in order of the THRU F2S F2CW FULL on the screen display panel 4 In the state of step 3 press button on the remote com mander Each time the button is pressed the message will appear in order of the V N V MSM on the screen dis play panel 5 In the stat...

Page 16: ...AIN board RT40 PRTCT is displayed on the OLED display after turning the power ON Yes PRTCT is displayed after removing Bar speaker FRONT L FRONT R CENTER speakers and Surround speaker SUR L SUR R speakers and turning the power ON Yes Remove CN1001 from MAIN board RT4 EG4 MAIN board RT40 and check PRTCT is displayed Yes Replace MAIN board RT4 EG4 MAIN board RT40 IC1000 and IC1002 and check PRTCT is...

Page 17: ...R speaker pin 45 SUR R speaker pin 47 SUR L speaker pin 48 49 Subwoofer Yes Yes Check that the signal is outputted from MAIN board RT4 EG4 MAIN board RT40 IC1002 pin 27 28 32 Subwoofer pin 35 SUR R speaker pin 39 40 SUR L speaker Yes Reprogram MAIN board RT4 EG4 MAIN board RT40 IC2000 serial flash and check the signal again No Check the Subwoofer Bar speaker FRONT L FRONT R CENTER speakers and Sur...

Page 18: ...N board RT40 Yes No Reprogram serial flash IC2000 and check power on Yes The voltage of the following is 20V 32V SWITCHING REGULATOR Connector CN101 pin 2 to 4 and 8 Check MAIN board RT4 EG4 MAIN board RT40 IC3205 pin 1 is 12V No Replace the SWITCHING REGULATOR No Replace IC3201 on MAIN board RT4 EG4 MAIN board RT40 No Replace transistor Q3208 on MAIN board RT4 EG4 MAIN board RT40 ...

Page 19: ...C3000 pin 4 is 3 3V Yes Yes Check IC3000 pin 5 is 5 1V Refer to Power is not turned on on page 18 Replace complete MAIN board RT4 EG4 MAIN board RT40 Replace complete MAIN board RT4 EG4 MAIN board RT40 Replace IC3000 on MAIN board RT4 EG4 MAIN board RT40 No No No No Check that there is no abnormality on USB board connector CN7000 Replace connector CN7000 on USB board ...

Page 20: ...HT RT4 RT40 20 MEMO ...

Page 21: ... 5 B 6 6B 5 6 18 5 6B 40 15 40 8 40 40 7 1 7 3 7 3 7 1 7 3 7 1 7 3 88 7 1 0 B6 0 B6 3 84 86 B 3 11 86 B 0 1 1 5 7 7 7 7 7 7 2 2 6 6 27 3 8 7 9 32 5 806 9 9 1 9287 217 3 217B0 1B6 67 0 001B AUDIO SECTION Page 22 5 4 1 5 8 5 1 14 1 4 15 18 0 287 5 ź 8 57B5 8 57B7 63 B287 7B5 7B 17 7B 17 7B63 B 1 18 7B7 1 B5 7 1 B 54 1 BL 3B6 1 BL 3B76B6 8 7227 02 8 7B 227 7B 227 087 7B087 5 B63 B 1 7 B6 B65 7 B B6 1...

Page 22: ...22 MCLK 11 SDIN4 27 L1002 L1001 RESET 4 PWM P 4 45 DIGITAL POWER AMP IC1000 INPUT B OUT B 6 INPUT A 5 INPUT D 15 INPUT C 14 35 OUT A 39 OUT A 40 OUT D 28 OUT D 27 OUT C 32 PWM P 7 47 VALID 37 PWM M 8 48 PWM P 8 49 L1003 RESET 4 FRONT L TB6000 TB6001 L1004 Q2001 6LJQDO SDWK AUDIO DIGITAL AUDIO ANALOG MTK I2S OUT MCK MTK I2S OUT LRCK MTK I2S OUT BCK DATA L R SDIN2 25 DATA SL SR DATA C SW OUT A 40 OU...

Page 23: ... VIN VOUT CONT 4 5 1 15 7V REG IC3202 FAN 7V VDD FB EN 2 VO 4 8 5 5V REG IC3207 OLED 12V VDD VOUT CE A 5V 3 4 1 1 2V REG IC3204 VCC VO EN CORE1 2V 1 6 4 12V REG Q3207 Q3208 GVDD 12V 12V REG Q3212 Q3213 BT 3 3V 3 3V REG Q3209 Q3210 3 3V SWITCHING Q2003 Q2004 D 3 3V 3 3V REG Q3203 Q3204 FAN MOTOR DRIVE Q3211 UNSW3 3V UNSW3 3V UNSW3 3V SW5 1V 5 1V 3 3V REG IC3205 USB VSUS IC3000 3 1 SW1 14 SW2 VIN1 5...

Page 24: ...r Side Parts face side Component Side Parts on the pattern face side seen from the pattern face are indicated Parts on the parts face side seen from the parts face are indicated MAIN board RT4 or EG4 MAIN board RT40 is multi layer printed board However the patterns of intermediate layers have not been included in diagrams Abbreviation AR Argentina model AUS Australian model E3 240 V AC area in E m...

Page 25: ...0 C3200 C3201 C3203 C3012 C3013 Q3203 Q3204 C2074 C3015 C2075 C3400 R2055 C3212 R2058 Q3211 C2083 C2084 C2085 C2086 R2060 C2088 R2061 R2062 C3220 R2065 C3222 R2066 R2067 R2068 R2069 1 4 8 5 IC3001 C2091 D3205 R3202 R3203 R3204 R2070 R3205 R2071 C2099 R2072 R3207 R2073 C3230 R2074 1 4 5 8 9 IC3201 R3015 R3016 5 8 1 4 9 IC3202 R3017 R3018 C3234 1 8 16 9 17 IC3205 C3235 R3019 C3238 C3239 R3214 R2080 ...

Page 26: ...7 8 9 10 EG4 OLED CHUKEI PC BOARD 1 C5014 1 C5000 1 C5010 100P C5015 100P C5018 0 1 C5007 10 C5008 0 1 C5001 0 1 C5011 CL5025 6P CN5005 1 UNSW3 3V 2 NFC_CLK 3 NFC_GND 4 NFC_DATA 5 NFC_IRQ 6 NFC_RFDET 6P CN5003 1 UNSW3 3V 2 TS_CLK 3 TS_INT 4 TS_DATA 5 BT_LED 6 GND CL 194S HB8SP SD T D5000 47 R5000 47 R5001 0 R5005 39K R5007 0 R5002 22 R5008 0 R5006 0 R5003 0 R5004 20P CN5004 11P CN5002 1 O LED_IXS ...

Page 27: ... CONDUCTOR SIDE 004P EG4 OLED CHUKEI PC BOARD CN5003 Page 26 1 A B C D E F G 2 3 4 5 6 7 8 9 10 11 12 13 TOUCH BOARD 0 0022 C4000 1 C4002 0 1 C4003 0 1 C4001 6P CN4001 1 GND 2 BT_LED 3 TS_DATA 4 TS_INT 5 TS_CLK 6 UNSW3 3V JL4003 JL4002 JL4001 JL4004 0 R4003 22 R4002 22 R4001 22 R4000 560 R4009 560 R4008 560 R4007 560 R4005 CS0 PS0 1 CS1 PS1 2 CMOD 3 VCC 4 CS4 GPO0 8 CS5 GPO1 9 CS3 13 I2C_SDA 14 I2...

Page 28: ...AKERS ONLY FOR SS RT4 003P MAIN BOARD RT4 EG4 MAIN BOARD RT40 CN1002 Page 25 CHASSIS R6001 R6002 R6003 R6004 1 A B C D E F G 2 3 4 5 6 7 8 10 9 SPEAKER CHUKEI PC BOAR BOARD JL6000 0 001 C6003 0 001 C6000 0 01 C6002 0 01 C6001 RED WHT GRY BLU TB6000 0 001 C6006 0 001 C6007 0 01 C6008 0 01 C6005 0 047 C6033 0 001 C6010 0 001 C6011 0 01 C6012 0 01 C6009 1000 C6014 0 001 C6018 0 001 C6015 0 01 C6017 0...

Page 29: ... C7000 1 6 CN7001 C7002 C7004 C7003 C7001 1 4 7 5 6 CN7000 1 980 598 11 11 1 980 598 11 11 USB BOARD COMPONENT SIDE USB BOARD CONDUCTOR SIDE 001P MAIN BOARD RT4 EG4 MAIN BOARD RT40 CN3000 Page 25 1 A B C D 2 3 4 5 20P CN5008 1 SIRCS 2 TS_DATA 3 GND GND GND 4 TS_CLK 5 6 TS_INT 7 8 OLED_CLK 9 UNSW3 3V 10 OLED_DOUT 11 OLED_DC 12 OLED_CSB 13 OLED_RST 14 VCC12V 15 NFC_RFDET 16 NFC_IRQ 17 NFC_DATA 18 GN...

Page 30: ...HT RT4 RT40 HT RT4 RT40 30 30 MEMO ...

Page 31: ...minal 8 CS4 GPO0 I O Touch key input output terminal Not used 9 CS5 GPO1 I VOL touch key input terminal 10 CS6 GPO2 I VOL touch key input terminal 11 CS7 GPO3 SH I PAIRING touch key input terminal 12 CS2 GUARD I INPUT touch key input terminal 13 CS3 I Power touch key input terminal 14 I2C_SDA I O Two way I2C serial data bus with system controller 15 I2C_SCL I O Two way I2C serial data transfer clo...

Page 32: ...PLETE 3 8 989 602 00 RC S730 WW 4 1 828 156 51 WIRE FLAT TYPE 6 CORE 5 4 459 006 01 DOUBLE ADHESIVE TAPE NFC 6 1 828 230 51 WIRE FLAT TYPE 20 CORE 7 1 812 049 11 ELEMENT ORGANIC EL INDICATOR 8 4 586 705 11 DOUBLE ADHESIVE TAPE 9 4 238 407 12 SCREW 1 4X20 BV TAPPING 10 1 859 169 21 LOUDSPEAKER 16CM 11 2 682 469 11 FOOT SW 1 7 685 646 71 SCREW BVTP 3X8 TYPE2 IT 3 ns not supplied A A 1 1 9 10 8 6 4 7...

Page 33: ...RE FLAT TYPE 18 CORE 55 1 493 097 11 BLUETOOTH MODULE 1 7 685 646 71 SCREW BVTP 3X8 TYPE2 IT 3 2 7 685 650 79 SCREW BVTP 3X16 TYPE2 IT 3 ns not supplied 1 1 1 2 2 52 53 53 55 54 ns MAIN board section 51 ns ns ns ns Note 2 If wire flat type is replaced install it after bending it in the same form as that before replacement Note 1 When the BLUETOOTH MODULE is replaced refer to NOTE OF REPLACING BLUE...

Page 34: ...06 1 837 312 11 CORD POWER SUPPLY AR 0 106 1 839 999 22 POWER SUPPLY CORD UK EA 0 106 1 848 053 12 POWER SUPPLY CORD E12 0 107 1 474 638 31 REGULATOR SWITCHING 3L405W 4 EXCEPT E12 0 107 1 474 638 41 REGULATOR SWITCHING 3L405W 5 E12 1 7 685 646 71 SCREW BVTP 3X8 TYPE2 IT 3 3 7 682 546 09 SCREW B 3X5 ns not supplied Note 3 If wire flat type is replaced install it after bending it in the same form as...

Page 35: ...S 9 A 2180 203 A EG4 MAIN BOARD COMPLETE for SERVICE RT40 SP 9 A 2180 265 A EG4 MAIN BOARD COMPLETE for SERVICE RT40 LA9 9 A 2180 281 A EG4 MAIN BOARD COMPLETE for SERVICE RT40 AR 9 A 2180 482 A EG4 MAIN BOARD COMPLETE for SERVICE RT40 EA 9 A 2180 494 A EG4 MAIN BOARD COMPLETE for SERVICE RT40 E3 DIODE D3200 6 503 735 01 DI BZT52H C4V3 IC IC1000 6 723 248 01 IC TAS5614LA S IC1001 6 723 249 01 IC T...

Page 36: ...Speaker Bases 502 1 493 155 11 REMOTE COMMANDER RMT AH200U Remote Control 0 503 1 785 504 21 ADAPTOR CONVERSION AC plug adaptor LA9 504 1 848 225 21 CABLE LIGHT PLUG Optical digital cable HT RT4 505 1 849 353 11 HDMI CABLE High Speed HDMI cable HT RT40 Note 1 If wire flat type is replaced install it after bending it in the same form as that before replacement Note 2 When the REGULATOR SWITCHING 3L...

Page 37: ...MEMO HT RT4 RT40 37 ...

Page 38: ...RING BOARD or SCHEMATIC DIAGRAM is shown in a different page use the PDF file search function to find one e g If a contact point is shown as follow the procedure below Procedure 1 Press the F key while pressing the Ctrl key 2 Input 001Z in the search box and press the Enter key 3 The relevant part page where the contact point is shown appears Note If you still see the original page press the Enter...

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