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SERVICE MANUAL
Ver. 1.1 2015.04
• All of the units included in
the HT-CT780 (SA-CT780/
SA-WCT780/Remote con-
trol) are required to confi rm-
ing operation of SA-CT780.
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: 105 Watts (per
channel at 4 ohms, 1 kHz)
Chinese model:
POWER OUTPUT (rated)
Front L + Front R:
35 W + 35 W (at 4 ohms, 1 kHz, 1%
THD)
Brazilian model:
The following values were measured at
127 V AC 60 Hz
RMS POWER OUTPUT:
Front L + Front R:
70 W (35 W per channel × 2, at 4
ohms, 1 kHz, 10% THD*)
* Total harmonic distortion
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: 105 Watts (per
channel at 4 ohms, 1 kHz)
Inputs
HDMI IN* 1/2/3
ANALOG IN
DIGITAL IN (TV)
Outputs
HDMI OUT** (ARC)
9-896-146-02
Sony Corporation
2015D33-1
©
2015.04
Published by Sony Techno Create Corporation
Photo: SA-CT780
HT-CT780
SA-CT780
SA-WCT780

SPECIFICATIONS

* The 1 jack supports HDCP 2.2
protocol. HDCP 2.2 is newly enhanced
copyright protection technology that is
used to protect content such as 4K
movies. The 2 and 3 jacks are identical.
Using any of them makes no difference.
** The HDMI OUT jack supports
HDCP 2.2 protocol. HDCP 2.2 is newly
enhanced copyright protection
technology that is used to protect
content such as 4K movies.
HDMI Section
Connector
Type A (19pin)
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)
HT-CT780
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
3
Woofer: 60 mm (2
/
in)
8
cone type
3
Tweeter: 19 mm (
/
in)
4
soft dome type
General
Power requirements
120 V AC, 60 Hz (US, CND)
120 V AC, 50 Hz/60 Hz (TW)
110 V - 240 V AC, 50 Hz/60 Hz (PX, EA3, BR)
220 V - 240 V AC, 50 Hz/60 Hz (Other models)
Power consumption
On: 40 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)
ACTIVE SPEAKER SYSTEM
SA-CT780
US Model
Canadian Model
AEP Model
UK Model
E Model
Australian Model
Chinese Model
PX Model
Dimensions (approx.) (w/h/d)
5
1,030 mm × 55 mm × 117 mm (40
/
in
8
1
5
× 2
/
in × 4
/
in) (without wall
4
8
mounting brackets)
5
1,030 mm × 120 mm × 74 mm (40
/
in
8
3
× 4
/
in × 3 in) (with wall mounting
4
brackets)
Mass (approx.)
3
2.8 kg (6 lb 2
/
oz)
4
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)
Startup Guide (1)
Operating Instructions (1)
Design and specifications are subject to
change without notice.
HT-CT780

SOUND BAR

SA-CT780

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Table of Contents
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Summary of Contents for Sony SA-CT780

  • Page 1: Specifications

    HDMI IN* 1/2/3 Transmission range (A2DP) ANALOG IN 20 Hz - 20,000 Hz (Sampling frequency DIGITAL IN (TV) SA-CT780 44.1 kHz) Outputs HDMI OUT** (ARC) ACTIVE SPEAKER SYSTEM 9-896-146-02 Sony Corporation 2015D33-1 © 2015.04 Published by Sony Techno Create Corporation...
  • Page 2 PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONC- “x.v.Color” and “x.v.Color” logo are TIONNEMENT. NE REMPLACER CES COMPOSANTS QUE trademarks of Sony Corporation. PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DON- “PlayStation ” is a registered trademark ® NÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS of Sony Computer Entertainment Inc.
  • Page 3: Table Of Contents

    HT-CT780 TABLE OF CONTENTS SERVICING NOTES 5-3. Block Diagram - AMP Section - ........33 ..........5-4. Block Diagram - PANEL/POWER SUPPLY Section - ......34 DISASSEMBLY 5-5. Printed Wiring Boards - MAIN Section (1/2) - ....36 2-1. Disassembly Flow ............5-6.
  • Page 4: Servicing Notes

    HT-CT780 Ver. 1.1 SECTION 1 SERVICING NOTES The SERVICING NOTES contains important information for servicing. Be sure to read this section before repairing the unit. UNLEADED SOLDER CAPACITOR ELECTRICAL DISCHARGE PROCESSING Boards requiring use of unleaded solder are printed with the lead- When checking the board, for the electric shock prevention, con- free mark (LF) indicating the solder contains no lead.
  • Page 5 • RF modulator (SWA12-4V TX) (Ref. No. RF1) WCT780/Remote control) are required to confi rming operation of SA-CT780. Check in advance that you have all of the units. Linking the system (Link to the Subwoofer) Set up the wireless subwoofer NOTE OF REPLACING THE KEY BOARD connection again.
  • Page 6 HT-CT780 Ver. 1.1 BOND FIXATION OF ELECTRIC PARTS When complete POWER board or the following parts are replaced, it is necessary to fi x the parts by using the bond (SC608Z2) (Refer to the fi gure below). • POWER board: C902, C903, C905, C914 or C915, C941, C967, C970, C977, C978, C980, C988, D901, F931, LF901, R934, TH901, VDR901 (C978, C980: Except US, Canadian and Taiwan models only) –...
  • Page 7: Disassembly

    HT-CT780 SECTION 2 DISASSEMBLY • This set can be disassembled in the order shown below. 2-1. DISASSEMBLY FLOW 2-15. SERVICE POSITION 2-2. TOP PANEL BLOCK 2-3. HOW TO INSTALL THE CONNECTION (Page 21) (Page 8) CABLE WITH SPEAKER (L-CH, R-CH) (SPC1, SPC2) (Page 9) 2-4.
  • Page 8: Top Panel Block

    HT-CT780 Note: Follow the disassembly procedure in the numerical order given. 2-2. TOP PANEL BLOCK • For the speaker cable setting, see page 9. 1 eight screws (BVTP3 Note: Please spread a sheet under a 1 nine screws unit not to injure top panel. (BVTP3 1 eight screws 5 cushion top...
  • Page 9: How To Install The Connection Cable With Speaker (L-Ch, R-Ch) (Spc1, Spc2)

    HT-CT780 2-3. HOW TO INSTALL THE CONNECTION CABLE WITH SPEAKER (L-CH, R-CH) (SPC1, SPC2) 1 Connect the terminal 3 Pass the cable underneath catcher. 2 Push the cable [gray] (wide side). into the slots. 4 Pass the cable along the rib. 0 Pass the cable underneath catcher.
  • Page 10: Speaker (60 Mm) (L-Ch, R-Ch) (Sp1, Sp2), Speaker (19 Mm) (L-Ch, R-Ch) (Sp3, Sp4)

    HT-CT780 2-4. SPEAKER (60 mm) (L-CH, R-CH) (SP1, SP2), SPEAKER (19 mm) (L-CH, R-CH) (SP3, SP4) setting [black] wide terminal side red line right side [blue] left side front side setting speaker (19 mm) speaker (60 mm) (R-ch) (SP4) speaker (19 mm) (L-ch) (SP1) wide terminal side narrow terminal side...
  • Page 11: Nfc Module (Nfc1)

    HT-CT780 2-5. NFC MODULE (NFC1) double adhesive tape (NFC) guide line NFC module (NFC1) – NFC module bottom view – right side 4 NFC module 3 Peel off the double (NFC1) adhesive tape (NFC). NFC module 2 flexible flat cable (NFC1) (6 core) (FFC4) 1 cushion (QV, A)
  • Page 12: Fl Board

    HT-CT780 2-6. FL BOARD FL board block FL board block FL board terminal side cushion (QV, A) terminal side flexible flat cable (6 core) (FFC4) flexible flat cable (18 core) (FFC3) 3 flexible flat cable 4 cushion (QV, A) 7 holder FL (18 core) (FFC3) (CN803) 5 flexible flat cable (6 core) (FFC4) (CN804)
  • Page 13: Power Board

    HT-CT780 2-7. POWER BOARD Note: When the complete POWER board is replaced, refer to “BOND FIXATION OF ELECTRIC PARTS” on page 6. Wire setting Twist the wire. bottom block 1 connector (CN601) CN601 boss boss CN902 2 power cord connector (CN901) 4 connector 3 four screws...
  • Page 14: Rf Modulator (Rf1)

    HT-CT780 2-8. RF MODULATOR (RF1) Note: When the RF modulator (Ref. No. RF1) is replaced, refer to “NOTES ON THE WIRELESS CONNECTION (LINK) AFTER REPAIRS ARE COMPLETE” on page 5. cushion (QV, A) RF modulator (RF1) 7 RF modulator RF modulator terminal face (RF1) (RF1)
  • Page 15: Connection Cable With Speaker (L-Ch, R-Ch) (Spc1, Spc2)

    HT-CT780 2-9. CONNECTION CABLE WITH SPEAKER (L-CH, R-CH) (SPC1, SPC2) Push Push Push Push Push CN502 Push Push Push Push Push 3 connection cable with speaker (L-ch) (SPC1) CN501 1 connector (CN105) 3 connection cable with speaker (R-ch) (SPC2) 2 connector (CN501) 2 connector (CN502)
  • Page 16: Key Board, Key

    HT-CT780 2-10. KEY BOARD, KEY cushion (CZ) 3 connector (CN871) 4 four screws 6 cushion (CZ) (BVTP3 boss 8 key hole 7 cushion key 9 KEY board 5 bracket key KEY board 2 two screws (BVTP3 bottom block bottom block cushion key top –...
  • Page 17: Main Board

    HT-CT780 2-11. MAIN BOARD Note 1: When removing the MAIN board, you need the full length is Note 2: When the complete MAIN board is replaced, refer to “NOTE short screwdriver. OF REPLACING THE IC503 ON THE MAIN BOARD AND If that has not been available a short screwdriver, remove the THE COMPLETE MAIN BOARD”...
  • Page 18: Power Cord (Ac1)

    HT-CT780 2-12. POWER CORD (AC1) Note: When installing the power cord (AC1), check the direction of claw of cord bushing (FBS001) and install correctly. claw cord bushing (FBS001) power cord 80 +5, -0 mm (AC1) claw power cord cord bushing to POWER board (FBS001) 5 cord bushing...
  • Page 19: Bluetooth Module (Bt1)

    HT-CT780 2-13. BLUETOOTH MODULE (BT1) When installing the flexible flat cable, ensure that cushion (CZ) the colored line is parallel to the connector after insertion. guide line Insert at a slant. Insert straight into the interior. flexible flat flexible flat cable cable bluetooth module...
  • Page 20: Bottom Chassis Block

    HT-CT780 2-14. BOTTOM CHASSIS BLOCK How to install the flexible flat cable When installing the flexible flat cable, 3 flexible flat cable ensure that the colored line is parallel 1 cushion (CZ) (24 core) (FFC2) to the connector after insertion. Insert straight into the interior.
  • Page 21: Service Position

    HT-CT780 2-15. SERVICE POSITION MAIN board POWER board...
  • Page 22: Test Mode

    HT-CT780 SECTION 3 TEST MODE 1. TEST MODES OTHER THAN THE TEST MODE MENU 2-1. Panel Test Mode These are executable test mode even if not entering the test mode It can check the lighting of fl uorescent indicator tube and LED, menu.
  • Page 23 HT-CT780 Ver. 1.1 6. In the state of step 4, press the [INPUT] button and model 7. When [INPUT] button is pressed while the each version is dis- name “CT780” is displayed on the fl uorescent indicator tube. played on the fl uorescent indicator tube, year, month and day of the software creation is displayed on the fl...
  • Page 24 2. Press the [VOLUME +]/[VOLUME –] buttons to select the It can check the test tone output from each speaker. “MC.X.XXX” (X.XXX: MC (-com) version). Preparation: Connect the Bar Speaker (SA-CT780) and the Subwoofer (SA- WCT780) by wireless. Procedure: (Displayed values in the above fi gure are example) 1.
  • Page 25 Press the [ ] button if having entered this mode. • Connect the Bar Speaker (SA-CT780) and the Subwoofer (SA- WCT780) by wireless. 2-16. NFC Test Mode (It is displayed “NFC.TST” on the fl uorescent indicator tube) Procedure: Not used for the servicing.
  • Page 26 2-20. Wireless Sound Cold Reset It can initialize various backup information of Subwoofer (SA- WCT780). Preparation: Connect the Bar Speaker (SA-CT780) and the Subwoofer (SA- WCT780) by wireless. Procedure: 1. Enter the test mode menu. (Refer to “Setting method of the test mode menu” on page 22) 2.
  • Page 27: Troubleshooting

    HT-CT780 Ver. 1.1 SECTION 4 TROUBLESHOOTING 1. “PRTECT” is displayed on the fl uorescent indicator tube after turning the power on “PRTECT” is displayed on the fluorescent indicator tube after turning the power on. IC503 on the MAIN board is burned Replace the IC503 on the MAIN board.
  • Page 28 HT-CT780 2. The video and audio of HDMI is not outputted The video and audio of HDMI is not outputted. The voltage of the following is 6.0 V. The voltage of the following is about 3.3 V. MAIN board: IC601 pin 3 MAIN board: IC601 pin 7 The voltage of the following is 1.0 V.
  • Page 29 HT-CT780 – From page 28 – Check the mounted state of The voltage of the following is about 3.3 V. The voltage of the following is about 3.3 V. connector (CN1004), diode (D1002), MAIN board: CN1004 pin 13 (CEC) MAIN board: IC102 pin 140 IC102 and resistor (R116) on the MAIN board.
  • Page 30 HT-CT780 3. The sound is not outputted Check and repair the signal path for After entering to the tone test mode (Refer being inputted to the DSP (IC308) on to 2-9. Tone test mode on the SECTION 3 The sound is not outputted. the MAIN board.
  • Page 31: Diagrams

    HT-CT780 SECTION 5 DIAGRAMS 5-1. BLOCK DIAGRAM - HDMI Section - HDMI RECEIVER HDMI TRANSCEIVER IC1002 IC1501 HDMI_D0 – HDMI_D3, SP_SPDIF, HDMI_MCK, HDMI_BCK, HDMI_LRCK, RX_MUTE, ARC_SPDIF HDMI_D0 (Page 32) >001B DATA0+ 12 RX0P TX1P 45 50 R4X0+ SD0_0 124 HDMI_D1 DATA0–...
  • Page 32: Block Diagram - Main Section

    HT-CT780 5-2. BLOCK DIAGRAM - MAIN Section - A/D CONVERTER, DIGITAL AUDIO INTERFACE RECEIVER IC303 IC308 AMP_D1FLFR, AMP_D3CSW, MCK, DSP_BCK, DSP_LRCK OPTICAL AMP_D1FLFR >002B RECEIVER RXIN4 DOUT 17 L/R_IN L/R OUT 48 DIGITAL IN IC1801 DIR_IN (Page 33) D302 A/D_2CH MPIO_B1 12 SL/SR_IN AMP_D3CSW...
  • Page 33: Block Diagram - Amp Section

    HT-CT780 Ver. 1.1 5-3. BLOCK DIAGRAM - AMP Section - STREAM PROCESSOR DIGITAL POWER AMP IC501 IC503 AMP_D1FLFR, AMP_D3CSW, L505 MCK, DSP_BCK, DSP_LRCK AMP_D1FLFR >002B SDIN1 PWM_P_2 41 INPUT_C OUT_C 32 DSP_BCK WOOFER SCLK (Page 32) (L-CH) DSP_LRCK L506 LRCLK MCLK PWM_M_2 40 INPUT_D...
  • Page 34: Block Diagram - Panel/Power Supply Section

    HT-CT780 5-4. BLOCK DIAGRAM - PANEL/POWER SUPPLY Section - E_12V NFC1 NFC MODULE SYSTEM CONTROLLER D1801 VBUS SWITCH (RC-S730 (WW)) IC102 (4/4) VBUS_5V IC1802 NFC_SDA 39 NFC DATA PCONT_USB NFC_SCL 40 NFC SCL USB_FAULT NFC_IRQ 35 NFC IRQ DC/DC CONVERTER NFC_RF_DET 38 NFC_RFDET IC603...
  • Page 35 HT-CT780 Ver. 1.1 THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. • Waveforms (In addition to this, the necessary note is printed in each block.) – MAIN Board – For Printed Wiring Boards. For Schematic Diagrams. Note: Note: IC1501 <zzc (XTALOUT) IC308 y;...
  • Page 36: Printed Wiring Boards - Main Section (1/2)

    HT-CT780 Ver. 1.1 5-5. PRINTED WIRING BOARDS - MAIN Section (1/2) - • : Uses unleaded solder. BOARD MAIN BOARD (SIDE A) (CHASSIS) FB1001 R1022 CN001 (CHASSIS) (CHASSIS) R1012 R1004 R1005 R1009 UPDATE C1001 R1003 LN1002 LN1801 C1010 R1023 C1029 C1009 C1021 R1026...
  • Page 37: Printed Wiring Board - Main Section (2/2)

    HT-CT780 5-6. PRINTED WIRING BOARD - MAIN Section (2/2) - • : Uses unleaded solder. MAIN BOARD (SIDE B) JL1020 CL128 CL126 CL124 CL123 CL129 CL125 CL127 CL109 CL108 JL508 JL106 JL105 JL104 JL102 (NC) JL145 R536 C546 JL101 R1105 C1038 CN106 D1801...
  • Page 38: Schematic Diagram - Main Section (1/8)

    HT-CT780 5-7. SCHEMATIC DIAGRAM - MAIN Section (1/8) - MAIN BOARD (1/8) C1019 R1020 R1026 C1021 C1029 C1031 C1037 BUS1 C1024 >001S IN4_5VP MAIN BOARD (2/8) R1023 (Page 39) BUS2 HDMI_SCL R1018 R1019 R1006 R1022 HDMI_SDA IC1001 R1002 SERIAL FLASH IC1001 W25X20CLSNIG C1011...
  • Page 39: Schematic Diagram - Main Section (2/8)

    HT-CT780 5-8. SCHEMATIC DIAGRAM - MAIN Section (2/8) - • See page 35 for Waveforms. • See page 54 for IC Pin Function Description. MAIN BOARD (2/8) >003S BUS3 MAIN BOARD C1531 C1521 C1507 C1502 C1514 C1515 C1528 C1530 C1512 C1524 C1527 (7/8)
  • Page 40: Schematic Diagram - Main Section (3/8)

    HT-CT780 5-9. SCHEMATIC DIAGRAM - MAIN Section (3/8) - • See page 50 for IC Block Diagrams. MAIN BOARD (3/8) C1064 R1076 C1061 C1069 C1071 C1050 C1041 C1059 R1104 C1045 R1108 R1071 C1044 2.2k RGT0_SPMI R1107 R1070 2.2k R1072 C1051 R1073 R1077 RGT0_SPMO...
  • Page 41: Schematic Diagram - Main Section (4/8)

    HT-CT780 5-10. SCHEMATIC DIAGRAM - MAIN Section (4/8) - • See page 35 for Waveforms. • See page 50 for IC Block Diagrams. MAIN BOARD (4/8) >006S BUS6 JL318 >011S MAIN BOARD C313 (2/8) R301 MAIN (Page 39) SP_SD0 HDMI_D0 BOARD (5/8) R302...
  • Page 42: Schematic Diagram - Main Section (5/8)

    HT-CT780 5-11. SCHEMATIC DIAGRAM - MAIN Section (5/8) - • See page 35 for Waveforms. • See page 50 for IC Block Diagrams. • See page 54 for IC Pin Function Description. MAIN BOARD (5/8) R399 >015S FB304 >011S E_12V MAIN D_GND BOARD...
  • Page 43: Schematic Diagram - Main Section (6/8)

    HT-CT780 5-12. SCHEMATIC DIAGRAM - MAIN Section (6/8) - • See page 50 for IC Block Diagrams. MAIN BOARD (6/8) JL508 JL509 JL510 ET501 R511 DC_PRT R512 (CHASSIS) OVF1 CL501 ET502 Q501 >019S R513 C501 C502 LSCR523UBFS8TL NS_INIT 0.01 0.0047 BUFFER (CHASSIS) D502...
  • Page 44: Schematic Diagram - Main Section (7/8)

    PCONT_BT R131 100k DIR_DI A_SENSOR_SCL C146 MAIN DIR_CLK CL152 NO USE (USB_EXT_PULLUP) CP_CLK D105 R129 10k BOARD DIR_CLK D102 CP_DATA CRH02(T5R,SONY,XM) R132 DIR_CE RB108 RB751S40,115 FLASH WRITE SEL CP_DATA (4/8) DIR_CE CP_RESET DIR_RST CEC_TX_RX CP_RESET (Page 41) R199 2.2k DIR_RST...
  • Page 45: Schematic Diagram - Main Section (8/8)

    HT-CT780 5-14. SCHEMATIC DIAGRAM - MAIN Section (8/8) - • See page 35 for Waveforms. • See page 50 for IC Block Diagrams. >009S MAIN BOARD (8/8) MAIN DD_6V (Page 40) >021S BOARD PVDD_GND (3/8) MAIN PVDD_28V BOARD >013S (6/8) JL610 (Page 43) E_4V...
  • Page 46: Printed Wiring Board - Fl Board

    HT-CT780 5-15. PRINTED WIRING BOARD - FL Board - • : Uses unleaded solder. MAIN >01P (Page 36) BOARD FL BOARD (COMPONENT SIDE) CN104 FFC3 CN803 R820 R812 R811 FFC4 CN804 C810 C801 NFC1 NFC MODULE RB801 C817 C816 R810 C822 C825 (RC-S730 (WW))
  • Page 47: Schematic Diagram - Fl Board

    HT-CT780 5-16. SCHEMATIC DIAGRAM - FL Board - • See page 35 for Waveforms. • See page 50 for IC Block Diagrams. FL BOARD ND801 FLUORESCENT INDICATOR TUBE Q801 LTC023JUBFS8TL LED DRIVE R809 C822 D801 CL-194S-HB8SP-SD-T BLUETOOTH INDICATOR D804 C823 CES520 220p C824...
  • Page 48: Printed Wiring Board - Power Board

    HT-CT780 Ver. 1.1 5-17. PRINTED WIRING BOARD - POWER Board - • : Uses unleaded solder. POWER BOARD R945 R978 R971 TH901 R977 C932 C933 Q931 C971 D941 R938 D972 C931 IC931 JL936 D934 C936 JW905 C980 C978 R935 R976 R987 D942 D930...
  • Page 49: Schematic Diagram - Power Board

    HT-CT780 Ver. 1.1 5-18. SCHEMATIC DIAGRAM - POWER Board - • See page 50 for IC Block Diagrams. POWER BOARD ET931 JL904 C905 C902 C903 C902, 903 0.22 310V (US, CND, TW) 0.001 250V (US, CND, TW) (CHASSIS) 0.33 310V (Except US, CND, TW) 0.0033 250V (Except US, CND, TW) CN901 F901...
  • Page 50 HT-CT780 • IC Block Diagrams IC303 PCM9211PTR – MAIN Board – IC105 BD00IC0WEFJ-E2 IC106 PST8429UL 33 32 31 30 29 28 GND 1 RXIN0 37 MD1/SDA MD0/ADR0 VREF OVER CURRENT RESET & SPI/I2C PROTECT MODE SETTING INTERFACE POWER SOFT SUPPLY START DVDD –...
  • Page 51 HT-CT780 IC310 74LVC1G79GW-125 IC313, 601, 602 RT8295ALZSP 2.7V 1.2V 0.8V 0.4V INTERNAL REGULATOR OSCILLATOR SLOPE COMP IC502 BD00C0AWFP-E2 FOLDBACK CONTROL CURRENT SENSE AMPLIFIER VREF – DRIVER IC501 TAS5534DGGR PWM_HPM_L 1 PWM_HPP_L 2 PWM_HPM_R 3 PWM_HPP_R 4 AVSS 5 PLL_FLTM 6 PLL_FLTP 7 VR_ANA 8 AVDD 9...
  • Page 52 HT-CT780 IC503 TAS5624ADDVR GVDD_AB 1 BST_A BST_B VDD 2 OC_ADJ 3 RESET 4 OUT_A ANALOG PWM & TIMING GATE- INPUT_A 5 LOOP FILTER – CONTROL DRIVE OUT_A RECEIVER PVDD_AB PVDD_AB PVDD_AB INPUT_B 6 ANALOG PWM & TIMING GATE- RECEIVER OUT_B C_START 7 LOOP FILTER –...
  • Page 53 HT-CT780 Ver. 1.1 IC604 MM3411A50NRE IC605 BD00IC0WHFV-GTR VDD 1 GND 2 VOUT CURRENT LIMIT SOFT START VOLTAGE REFERENCE CE 3 BIAS IC1802 TPS2065CDBVR – FL Board – IC803 MM3411A33URE CURRENT SENSE 5 IN DISABLED CE 1 BIAS CURRENT CHARGE +UVLO UVLO LIMIT PUMP...
  • Page 54 HT-CT780 • IC Pin Function Description MAIN BOARD IC102 MB9BF328SPMC-GE1 (SYSTEM CONTROLLER) Pin No. Pin Name Description Power supply terminal (+3.3V) USB_FAULT USB VBUS power over current detection signal input terminal DIR_XSTATE Source clock selection monitor input from the digital audio interface receiver DIR_RST Reset signal output to the digital audio interface receiver “L”: reset...
  • Page 55 HT-CT780 Pin No. Pin Name Description DAMP_SDAO Two-way data bus with the stream processor DRIVE_OCP (DIAG) Shut down signal input from the digital power amplifi er “L”: shut down AMP_OVF1 Overfl ow detection signal input from the digital power amplifi er HDMI_IN1_INT Interrupt signal input from the HDMI receiver HDMI_IN1_RESET...
  • Page 56 HT-CT780 Ver. 1.1 Pin No. Pin Name Description Test data output terminal (for JTAG) Not used FAN_CONT Fan motor control signal output terminal Not used EEPROM data in/out Two-way data bus with the EEPROM EEPROM clock Serial data transfer clock signal output to the EEPROM FAN_ON Fan motor on/off control signal output terminal Not used...
  • Page 57 HT-CT780 MAIN BOARD IC308 ADSST-AVR-3045 (DSP) Pin No. Pin Name Description VDD_INT Power supply terminal (+1.1V) (for core) Core instruction rate to CLKIN (pin 12) ratio selection signal input terminal CLK_CFG1 Fixed at “L” in this unit BOOT_CFG0 Boot mode selection signal input terminal Fixed at “H”...
  • Page 58 HT-CT780 Pin No. Pin Name Description LRCLK_OUT L/R sampling clock signal output to the stream processor and RF modulator SBL/SBR_IN Audio signal (for surround back L-ch/R-ch) input from the digital audio interface receiver L/R_IN Audio signal (for front L-ch/R-ch) input from the digital audio interface receiver VDD_INT Power supply terminal (+1.1V) (for core) DIR_IN...
  • Page 59 HT-CT780 MAIN BOARD IC1501 SII9573CTUC (HDMI TRANSCEIVER) Pin No. Pin Name Description 1 to 6 D14 to D19 Digital video signal input terminal Not used Data enable signal input terminal Not used VSYNC Vertical sync signal input terminal Not used HSYNC Horizontal sync signal input terminal Not used...
  • Page 60 HT-CT780 Pin No. Pin Name Description R5X2+ TMDS data (positive) input from the HDMI IN 2 connector CVCC12 Power supply terminal (+1.3V) CSCL Serial data transfer clock signal input from the system controller CSDA Two-way data bus with the system controller and HDMI receiver Interrupt signal output to the system controller RESET Reset signal input from the system controller...
  • Page 61 HT-CT780 Pin No. Pin Name Description SD0_0 Digital audio signal output to the digital audio interface receiver MCLK Master clock signal output to the digital audio interface receiver 126 to 128 SD0_1 to SD0_3 Digital audio signal output to the digital audio interface receiver MUTEOUT HDMI muting on/off control signal output terminal “H”: muting on...
  • Page 62: Exploded Views

    HT-CT780 Ver. 1.1 SECTION 6 EXPLODED VIEWS Note: • -XX and -X mean standardized parts, so The components identifi ed by mark 0 The components identifi ed by mark 9 con- they may have some difference from the or dotted line with mark 0 are critical for tain confi...
  • Page 63: Top Panel Section

    HT-CT780 Ver. 1.1 6-2. TOP PANEL SECTION • Bottom view NFC1 not supplied FFC3 FFC4 not supplied 52 52 51 51 not supplied not supplied supplied (FL board) supplied right side supplied supplied not supplied supplied 51 51 not supplied rear side front side left side...
  • Page 64: Bottom Panel Section

    HT-CT780 Ver. 1.1 6-3. BOTTOM PANEL SECTION not supplied not supplied not supplied SPC1 FFC2 not supplied not supplied not supplied not supplied (CZ3-FFC #1 #1 HOLDER board) SPC2 not supplied MAIN board section FFC1 not supplied ACP1 (PX) not supplied ACP2 (SP for Hong Kong) not supplied...
  • Page 65: Main Board Section

    HT-CT780 Ver. 1.1 6-4. MAIN BOARD SECTION not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied Note 1: When the complete MAIN board is replaced, refer to “NOTE Note 2: When the complete POWER board is replaced, refer to “BOND OF REPLACING THE IC503 ON THE MAIN BOARD AND...
  • Page 66: Electrical Parts List

    HT-CT780 Ver. 1.1 SECTION 7 ELECTRICAL PARTS LIST Note: • Due to standardization, replacements in • COILS The components identifi ed by mark 9 con- uH: μH the parts list may be different from the tain confi dential information. parts specifi ed in the diagrams or the com- •...
  • Page 67 HT-CT780 Ver. 1.1 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C304 1-118-386-11 CERAMIC CHIP 0.1uF A-2073-958-A MAIN BOARD, COMPLETE (SV) (US, CND) C305 1-116-737-11 CERAMIC CHIP 1uF (See Note) * C306 1-116-720-11 CERAMIC CHIP 10uF 6.3V A-2073-960-A MAIN BOARD, COMPLETE (SV) (PX) (See Note)
  • Page 68 HT-CT780 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C377 1-118-386-11 CERAMIC CHIP 0.1uF C550 1-100-158-91 CERAMIC CHIP 1000PF 100V C378 1-118-386-11 CERAMIC CHIP 0.1uF C551 1-100-158-91 CERAMIC CHIP 1000PF 100V C379 1-118-386-11 CERAMIC CHIP 0.1uF C552 1-100-158-91 CERAMIC CHIP 1000PF...
  • Page 69 HT-CT780 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * C1019 1-118-035-11 CERAMIC CHIP 0.1uF C1090 1-118-386-11 CERAMIC CHIP 0.1uF * C1020 1-118-035-11 CERAMIC CHIP 0.1uF * C1092 1-116-720-11 CERAMIC CHIP 10uF 6.3V * C1021 1-118-035-11 CERAMIC CHIP 0.1uF * C1501...
  • Page 70 D103 6-503-737-01 DIODE CES520 IC302 8-759-278-58 IC NJM4558V-TE2 D104 6-503-737-01 DIODE CES520 IC303 6-716-745-01 IC PCM9211PTR D105 6-503-775-01 DIODE CRH02 (T5R, SONY, XM) IC304 6-718-999-01 IC MM1839A50NRE D106 6-502-961-01 DIODE DA2J10100L IC306 6-719-198-01 IC MM3411A33URE D107 6-502-961-01 DIODE DA2J10100L IC307...
  • Page 71 HT-CT780 Ver. 1.1 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark L504 1-482-182-11 CHOKE COIL (SMD 10uH) R160 1-218-941-81 METAL CHIP 1/16W L505 1-482-182-11 CHOKE COIL (SMD 10uH) R161 1-218-937-11 METAL CHIP 1/16W L506 1-482-182-11 CHOKE COIL (SMD 10uH) R162 1-218-965-11...
  • Page 72 HT-CT780 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R241 1-218-957-11 METAL CHIP 2.2K 1/16W R361 1-218-941-81 METAL CHIP 1/16W R255 1-218-941-81 METAL CHIP 1/16W R362 1-218-961-11 METAL CHIP 4.7K 1/16W R301 1-218-941-81 METAL CHIP 1/16W R363 1-218-961-11...
  • Page 73 HT-CT780 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R425 1-218-965-11 METAL CHIP 1/16W R612 1-216-864-11 SHORT CHIP R426 1-218-965-11 METAL CHIP 1/16W R613 1-216-864-11 SHORT CHIP R428 1-218-965-11 METAL CHIP 1/16W R614 1-208-883-81 METAL CHIP 0.5% 1/16W R429...
  • Page 74 HT-CT780 Ver. 1.1 MAIN POWER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R1075 1-218-941-81 METAL CHIP 1/16W R1541 1-220-208-81 METAL CHIP 130K 1/16W R1076 1-218-965-11 METAL CHIP 1/16W R1543 1-218-937-11 METAL CHIP 1/16W R1077 1-218-941-81 METAL CHIP 1/16W R1544...
  • Page 75 (Except US, CND, TW) (See Note) 0 D941 8-719-083-71 DIODE UDZSUSTE-1730B 0 C905 1-114-594-21 FILM 0.22uF 310V 0 D942 6-503-775-01 DIODE CRH02 (T5R, SONY, XM) (US, CND, TW) (See Note) D965 6-501-849-01 DIODE FMX-22SL D967 6-503-978-01 DIODE RB068L100TE25 0 C905 1-116-397-21 FILM 0.33uF...
  • Page 76 HT-CT780 Ver. 1.1 POWER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R951 1-216-849-11 METAL CHIP 220K 1/10W ACCESSORIES (Except US, CND, TW) ************ R952 1-216-821-11 METAL CHIP 1/10W 4-565-123-12 MANUAL, INSTRUCTION (Except US, CND, TW) (ENGLISH, SPANISH, FRENCH) (US, CND) 0 R953 1-216-793-91...
  • Page 77 HT-CT780 MEMO...
  • Page 78: Revision History

    HT-CT780 REVISION HISTORY Ver. Date Description of Revision 2015.02 2015.04 Addition of Chinese, PX, African, Iranian, Saudi Arabia, UAE, Kuwait, Iraqi, Kenyan, Tanzanian, Nigerian, Brazilian, Singapore and Taiwan models Change of Part No. for TOP PANEL ASSY (Ref. No. 56) Change of Part No.

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