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Panasonic SU-HTB770P Service Manual
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Panasonic SU-HTB770P Service Manual

Panasonic SU-HTB770P Service Manual

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TABLE OF CONTENTS
1 Safety Precautions----------------------------------------------- 3
1.1. General Guidelines---------------------------------------- 3
1.2. Before Repair and Adjustment ------------------------- 4
1.3. Protection Circuitry ---------------------------------------- 4
1.4. Caution For Fuse Replacement------------------------ 4
1.5. Safety Part Information----------------------------------- 5
1.6. Safety Installation Instructions ------------------------- 7
2 Warning -------------------------------------------------------------- 8
Home Theater Audio System
Model No.
Product Color: (K)...Black Type
PAGE
2.1. Prevention of Electrostatic Discharge (ESD)
to Electrostatically Sensitive (ES) Devices ----------8
2.2. Service caution based on Legal restrictions
(Lead Free Solder, (PbF))--------------------------------9
3 Service Navigation --------------------------------------------- 10
3.1. Service Information -------------------------------------- 10
4 Specifications ---------------------------------------------------- 11
5 General/Introduction------------------------------------------- 13
5.1. About Bluetooth and Operation----------------------- 13
© Panasonic Corporation 2013. All rights reserved.
Unauthorized copying and distribution is a violation of
law.
SU-HTB770P
SU-HTB770PC
SB-HTB570GN
SB-HTB570EG
SB-HTB770P
SB-HWA770P
SB-HWA770PC
SC-HTB770P
SC-HTB770PC
(S)...Silver Type
PSG1301001CE
A6
PAGE

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Summary of Contents for Panasonic SU-HTB770P

  • Page 1 3.1. Service Information -------------------------------------- 10 1.6. Safety Installation Instructions ------------------------- 7 4 Specifications ---------------------------------------------------- 11 2 Warning -------------------------------------------------------------- 8 5 General/Introduction------------------------------------------- 13 5.1. About Bluetooth and Operation----------------------- 13 © Panasonic Corporation 2013. All rights reserved. Unauthorized copying and distribution is a violation of law.
  • Page 2 5.2. About VIERA Link ---------------------------------------- 14 5.3. Others (Licenses) ---------------------------------------- 15 6 Location of Controls and Components------------------ 16 6.1. Main Unit & Active Subwoofer Key Button Operations ------------------------------------------------- 16 6.2. Indicator illumination------------------------------------- 18 6.3. Remote Control Key Button Operations------------ 19 7 Installation Instructions--------------------------------------- 20 7.1.
  • Page 3 1 Safety Precautions 1.1. General Guidelines 1. IMPORTANT SAFETY NOTICE There are special components used in this equipment which are important for safety. These parts are marked by in the Schematic Diagrams, Circuit Board Layout, Exploded Views and Replacement Parts List. It is essential that these critical parts should be replaced with manufacturer’s specified parts to prevent X-RADIATION, shock, fire, or other hazards.
  • Page 4 1.2. Before Repair and Adjustment Main Unit (SU-HTB770) Disconnect AC power, discharge unit AC Capacitors (C5700, C5701, C5702, C5703, C5704 and C5705) through a 10W, 1W resis- tor to ground. Caution : DO NOT SHORT-CIRCUIT DIRECTLY (with a screwdriver blade, for instance), as this may destroy solid state devices. After repairs are completed, restore power gradually using a variac, to avoid overcurrent.
  • Page 5 1.5. Safety Part Information Safety Parts List: There are special components used in this equipment which are important for safety. These parts are marked by in the Schematic Diagrams & Replacement Parts List. It is essential that these critical parts should be replaced with manufacturer’s specified parts to prevent shock, fire or other hazards.
  • Page 6 1.5.4. Active Subwoofer (SB-HWA770) Safety Ref. No. Part No. Part Name & Description Remarks RGN3297-K1 SPEC LABEL RGN3298-K1 SPEC LABEL RGN3343-S1 SPEC LABEL RGN3344-S1 SPEC LABEL RMZX0026-1 IC INSULATOR REX1579 1P RED WIRE (SMPS - AC INLET) REX1580 1P BLACK WIRE( SMPS - AC INLET) C5700 F1BAF1020020 1000pF...
  • Page 7 1.6. Safety Installation Instructions Figure 1-2...
  • Page 8 2 Warning 2.1. Prevention of Electrostatic Discharge (ESD) to Electrostatically Sensi- tive (ES) Devices Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Elec- trostatically Sensitive (ES) Devices. The following techniques should be used to help reduce the incidence of component damage caused by electrostatic discharge (ESD).
  • Page 9 2.2. Service caution based on Legal restrictions (Lead Free Solder, (PbF)) The lead free solder has been used in the mounting process of all electrical components on the printed circuit boards used for this equipment in considering the globally environmental conservation. The normal solder is the alloy of tin (Sn) and lead (Pb).
  • Page 10 3 Service Navigation 3.1. Service Information This service manual contains technical information which will allow service personnel’s to understand and service this model. Please place orders using the parts list and not the drawing reference numbers. If the circuit is changed or modified, this information will be followed by supplement service manual to be filed with original service manual.
  • Page 11 4 Specifications 35 Hz to 160 Hz (-10 dB) General Power consumption Main Unit: 37 W Active subwoofer: 20 W Amplifier Section In standby condition RMS Output Power Main Unit (When the other connected devices are turned off): Approx. 60 W per channel (6 Ω), 1 kHz, Front ch (L, R ch) 0.25 W 10% THD...
  • Page 12 • Specifications are subject to change without notice. Weight and dimensions are approximate. • Total harmonic distortion is measured by the digital spectrum ana- lyzer. System: SC-HTB770P-K MAIN UNIT : SU-HTB770P-K FRONT SPEAKERS : SB-HTB570GNK CENTER SPEAKER : SB-HTB770P-K ACTIVE SUBWOOFER : SB-HWA770P-K System: SC-HTB770PCK...
  • Page 13 ® Bluetooth connection By using the Bluetooth ® connection, you can listen Panasonic bears no responsibility for data to the sound from the Bluetooth ® audio device and/or information that is compromised from this system wirelessly. during a wireless transmission.
  • Page 14 HDMI CEC cannot be guaranteed. Automatic lip-sync function This unit supports “HDAVI Control 5” function. “HDAVI Control 5” is the standard for Panasonic’s HDAVI (for HDAVI Control 3 or later) Control compatible equipment. This standard is compatible with Panasonic’s conventional HDAVI equipment.
  • Page 15 Interface are trademarks or registered trademarks of HDMI Licensing LLC in the United States and other countries. HDAVI Control™ is a trademark of Panasonic Corporation. VIERA Link™ is a trademark of Panasonic Corporation. EZ Sync™ is a trademark of Panasonic Corporation.
  • Page 16 6 Location of Controls and Components 6.1. Main Unit & Active Subwoofer Key Button Operations 6.1.1. Front View This system (Front) Active subwoofer Main unit Standby/on switch ( /I) Sound mode indicators Press to switch the unit from on to standby STANDARD indicator mode or vice versa.
  • Page 17 6.1.2. Rear View This system (Rear) AUX2 AUX1 BD/DVD (HDMI3) (HDMI2) (HDMI1) (ARC) AV IN AV OUT AUX2 AUX1 BD/DVD (HDMI3) (HDMI2) (HDMI1) (ARC) AV IN AV OUT AC IN terminal AUX2 terminal Speaker terminals AUX1 terminal TV terminal BD/DVD terminal AUX3 terminal HDMI OUT terminal (ARC compatible) USB port (for service use only)
  • Page 18 6.2. Indicator illumination The indicators display the condition of this system by flashing. The indicator patterns illustrated below are displayed during normal operational conditions. They do not refer to the indications of a problem. The BD/DVD indicator blinks and sound mode indicators light up in sequence for 1 minute.
  • Page 19 6.3. Remote Control Key Button Operations Remote control Before using for the first time Remove the insulation sheet DIALOG LEVEL To replace a button-type battery Battery type: CR2025 (Lithium battery) INPUT LINK MODE SELECTOR SOUND ---- PAIRING Turn the main unit on or off Adjust the dialog effect level Adjust the output level of the active subwoofer (bass sound)
  • Page 20 Do not connect the AC power supply cord until all other connections are completed. HDMI The HDMI connection supports VIERA Link “HDAVI Control” when used with a compatible Panasonic TV. Use the ARC compatible High Speed HDMI cables. Non-HDMI-compliant cables cannot be utilized.
  • Page 21 7.1.2. Connection with other devices You can direct the audio signal from the connected Blu-ray Disc player, DVD player, Set Top Box, etc. to this system. When the device has an HDMI terminal Preparation Connect the main unit to the TV HDMI OUT e.g., Blu-ray Disc player HDMI OUT...
  • Page 22 7.1.3. Speaker cable connection Match the connector shape and connect to the terminals of the same color. CENTER DIGITAL AUDIO SPEAKERS/HAUT-PARLEURS AC IN C E N T E R Main unit S P E A K E R S / H A U T - P A R L E U R...
  • Page 23 8 Service Mode This unit is equipped with features of self-diagnostic & special mode setting for checking the functions & reliability of the unit. Special Note : Checking of the reliability (ageing) & operation must be carry out to ensure good working condition in unit. 8.1.
  • Page 24 8.2.1. Firmware version It is to indicate the firmware version no. (Refer to table 8-2 for more information). The firmware version is represented by 5 bits. Version number display are repeated every 64 releases. Version No Bit 5 Bit 4 Bit 3 Bit 2 Bit 1...
  • Page 25 Version No Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 62, 126 … 63, 127 … Link Status “O” means LED on “X” means LED off Table 8-2 8.2.2. Model Number Display It is to indicate the model number. (Refer to table 8-3 for more information). Model 1 Model 2 Model 3...
  • Page 26 8.3. Error Codes Display This unit does not have a FL/LCD display unit hence error code (when a fault condition occurs) is represented by the LED status indicators. Refer to Figure 8-1 Here is the description of the LED status indicators: Table 8-5 Figure 8-1...
  • Page 27 8.3.1. Error Code Display Details by LED Blinking Indicators This section describes the LED status indicators by its blinking to represent the error codes. Caution: The LED blinking process will stop only when the unit is power off completely. Error Code LED 8 LED 9 LED 10...
  • Page 28 8.4. Cold start (For SU-HTB770) Step 1 : Power up the unit. Step 2 : Press & hold [POWER] button on the unit for 4s or more. All LED will light-up and blink for 2 times (at frequency of 4Hz) Figure 8-2 8.5.
  • Page 29 9 Troubleshooting Guide How to reset Factory setup condition The entering method of Service Mode (after turn off the power, you can exit from Service Mode) SC-HTB770 Turn on the power of main set. Setting main set in power on status. Press and hold the power button for 5 seconds.
  • Page 30 Video / Audio (Video is present) confirmation i) Check TV Speaker selection setting Check TV Menu (Viera Menu Link foir Panasonic TV) Speaker Selection is set to "TV" HDMI (Power ON / Standby Pass Through) ii) Check Player Audio output is set to "ON"...
  • Page 31 10 Service Fixture & Tools Prepare service tools before process service position. Ref. No. Part No. Description Remarks SFT1 REXX1194 2P WIRE (SPK-SW DAMP) SB-HWA770...
  • Page 32 11 Disassembly and Assembly Instructions Caution Note: • This section describes the disassembly and/or assembly procedures for all major printed circuit boards & main compo- nents for the unit. (You may refer to the section of “Main components and P.C.B Locations” as described in this service manual) •...
  • Page 33 11.1. Disassembly flow chart The following chart is the procedure for disassembling the casing and inside parts for internal inspection when carrying out the ser- vicing. To assemble the unit, reverse the steps shown in the chart below. 11.1.1. Main Unit (SU-HTB770) 11.1.2.
  • Page 34 11.1.3. Center Speaker (SB-HTB770) 11.1.4. Active Subwoofer (SB-HWA770)
  • Page 35 11.2. Types of Screws 11.2.1. Main Unit (SU-HTB770) 11.2.2. Front Speakers (SB-HTB570) 11.2.3. Center Speaker (SB-HTB770) 11.2.4. Active Subwoofer (SB-HWA770)
  • Page 36 11.3. Main Parts Location Diagram 11.3.1. Main Unit (SU-HTB770) 11.3.2. Front Speakers (SB-HTB570) / Center Speaker (SB-HTB770) 11.3.2.1. Bar Position...
  • Page 37 11.3.2.2. Standing Position 11.3.3. Active Subwoofer (SB-HWA770)
  • Page 38 11.4. Disassembly of Main Unit (SU-HTB770) 11.4.1. Disassembly of Top Cabinet Step 1 : Remove 2 screws. Step 4 : Slightly lift up the Top Cabinet as shown. Step 5 : From within the Top Cabinet, gently push upwards to release the catches in sequence as shown.
  • Page 39 11.4.2. Disassembly of SMPS and AC Inlet Step 4 : Remove 4 screws. P.C.B. • Refer to “Disassembly of Top Cabinet”. Step 1 : Detach 10P Cable Wire at the connector (CN2004) on the Main P.C.B.. Step 5 : Slightly lift up to remove the SMPS and AC Inlet Step 2 : Remove 1 screw.
  • Page 40 11.4.3. Replacement of Switching Regula- 11.4.3.2. Assembly of Switching Regulator tor IC (IC5701) IC (IC5701) • Refer to “Disassembly of SMPS and AC Inlet P.C.B.”. Step 1 : Apply grease on the Heatsink Unit A. Step 2 : Fix the Switching Regulator IC (IC5701) to the SMPS 11.4.3.1.
  • Page 41 11.4.4. Replacement of Rectifier Diode 11.4.4.2. Assembly Rectifier Diode (D5802) (D5802) • Refer to “Disassembly of SMPS and AC Inlet P.C.B.”. Step 1 : Apply grease on the Heatsink Unit B. Step 2 : Fix the Rectifier Diode (D5802) onto the SMPS P.C.B.. 11.4.4.1.
  • Page 42 11.4.5. Disassembly of Main P.C.B. Step 7 : Remove 3 screws. Step 8 : Slightly lift up to remove the Main P.C.B.. • Refer to “Disassembly of Top Cabinet”. Step 1 : Detach 10P Cable Wire at the connector (CN2004) on the Main P.C.B..
  • Page 43 Caution 2: During assembling, ensure that the Main P.C.B. 11.4.6. Disassembly of HDMI P.C.B. is inserted and seated properly onto the 2 locators of the • Refer to “Disassembly of Top Cabinet”. Bottom Chassis. Step 1 : Detach 26P FFC at the connector (CN1000) on the HDMI P.C.B..
  • Page 44 Step 4 : Release the catch on the right side of the Rear Panel. 11.4.7. Disassembly of Rear Panel Caution: During assembling, ensure that the Rear Panel is • Refer to “Disassembly of Top Cabinet”. catched properly onto the Bottom Chassis. Step 5 : Remove the HDMI P.C.B..
  • Page 45 Step 3 : Release the catches on the both side of the Rear 11.4.8. Disassembly of Front Panel Block Panel. • Refer to “Disassembly of Top Cabinet”. Caution: During assembling, ensure that the Rear Panel is catched properly onto the Bottom Chassis. Step 1 : Detach 24P FFC at the connector (CN2005) on the Main P.C.B..
  • Page 46 Step 4 : Release the catches in sequence (1-5) as shown. Step 5 : Remove the Front Panel Block. Caution: During assembling, ensure that the Front Panel Block is catched and inserted properly onto the Bottom Chassis.
  • Page 47 11.4.9. Disassembly of Bluetooth Module Caution : During assembling, ensure that the Bluetooth Module Unit is seated properly onto the locator. P.C.B. • Refer to “Disassembly of Top Cabinet”. • Refer to “Disassembly of Front Panel Block”. Step 1 : Remove 1 screw by using T5 Screwdriver. Step 3 : Remove the Bluetooth Module P.C.B.
  • Page 48 11.4.10. Disassembly of Panel P.C.B. Caution: During assembling, ensure that the Bluetooth Module Unit is seated properly onto the locator. • Refer to “Disassembly of Top Cabinet”. • Refer to “Disassembly of Front Panel Block”. Step 1 : Remove 1 screw by using T5 Screwdriver. Step 3 : Remove 2 screws.
  • Page 49 Caution: During assembling, ensure that the Panel P.C.B. 11.4.11. Disassembly of Digital Transmitter is catched and seated properly onto the locators of the Module P.C.B. Front Panel Block. • Refer to “Disassembly of Top Cabinet”. • Refer to “Disassembly of Front Panel Block”. Step 1 : Remove 1 screw.
  • Page 50 Step 5 : Remove the Digital Transmitter Module P.C.B. from the Digital Transmitter Holder.
  • Page 51 11.5. Disassembly of Front and Center Speaker Units Position 11.5.1. Disassembly of Front and Center Speaker Units in Bar position • Front Speaker Unit with Stands Step 1 : Remove 2 screws. Step 2 : Remove 2 Stands. • Front Speaker Unit with Support Legs Step 1 : Remove 2 screws.
  • Page 52 Step 3 : Release the White (+) and Blue (-) Speaker Wire from the Terminal. Step 4 : Release the Speaker Wire through the groove. Step 5 : Remove 4 screws. Step 6 : Lift up and remove the Metal Bracket.
  • Page 53 Step 7 : Detach the Front Speaker Unit (L) and (R) from the Center Speaker Unit.
  • Page 54 11.5.2. Disassembly of Front Speaker Unit in Standing position Note : Front Speaker Unit (L) and (R) have the same mechanical structure. Therefore only the disassembly method for Front Speaker Unit (L) will be described in this section. Step 1 : Remove 1 screw. Step 2 : Release the Speaker Wire from the groove.
  • Page 55 Step 4 : Release the White (+) and Blue (-) Speaker Wire from the Terminal. Step 5 : Remove the Speaker Wire through the grooves. Step 6 : Remove 1 screw. Step 7 : Remove the Stand Neck.
  • Page 56 11.5.3. Disassembly of Center Speaker Unit in Standing position Step 1 : Release the White (+) and Blue (-) Speaker wire from the Terminal. Step 2 : Remove 2 screws.
  • Page 57 Step 3 : Remove the Hook Plates. Step 4 : Remove the Side Caps.
  • Page 58 11.6. Disassembly of Front Speaker (L&R) (SB-HTB570) Note : Front Speaker Unit (L) and (R) have the same mechanical structure. Therefore only the disassembly method for Front Speaker Unit (L) will be described in this section. 11.6.1. Disassembly of Rear Cabinet Assembly •...
  • Page 59 Step 3 : Upset the Rear Cabinet Block by the side of the Front Cabinet Block. Step 4 : Detach the Red (+) and Black (-) wire from the Terminal. Step 5 : Remove the Sound Absorber. Caution: Safe keep the Sound Absorber and place them back during assembling. Step 6 : Remove the Front Cabinet Block.
  • Page 60 Step 9 : Remove the Terminal. Step 10 : Remove the Rear Cabinet Assembly.
  • Page 61 11.6.2. Disassembly of Tweeter Speaker (SP1) • Refer to “Disassembly of Front Speaker Unit”. • Refer to “Disassembly of Rear Cabinet Assembly” (Step 1) to (Step 3). Step 1 : Release the Speaker Wire Assembly from the ribs of the Front Cabinet Block. Step 2 : Detach the Yellow (+) and Black (-) wire from the terminal of the Tweeter Speaker (SP1).
  • Page 62 Step 3 : Remove 4 screws. Step 4 : Remove the Tweeter Speaker (SP1) and the Eva Packing.
  • Page 63 Caution 1: During assembling, ensure that the Tweeter Speaker (SP1) and the Eva Packing is seated properly onto the 3 locators of the Front Cabinet Block. Caution 2: During assembling, ensure that the Speaker Wire Assembly is dressed properly between the ribs of the Front Cabinet Block as shown.
  • Page 64 11.6.3. Disassembly of Woofer Speaker (SP2) • Refer to “Disassembly of Front Speaker Unit”. • Refer to “Disassembly of Rear Cabinet Assembly” (Step 1) to (Step 3). Step 1 : Release the Speaker Wire Assembly from the slots of the Woofer Speaker (SP2). Step 2 : Release the Speaker Wire Assembly from the groove of the Front Cabinet Block.
  • Page 65 Step 4 : Detach the Yellow (+) and Red/Black (-) wire from the terminal of the Woofer Speaker (SP2). Step 5 : Remove 4 screws.
  • Page 66 Step 6 : Remove the Woofer Speaker (SP2). Caution: During assembling, ensure that the Woofer Speaker (SP2) is seated properly within the 2 guides of the Front Cab- inet Block.
  • Page 67 Step 7 : Remove the EVA Packing. Caution: During assembling, ensure that the EVA Packing is seated properly onto the 3 locators of the Front Cabinet Block.
  • Page 68 Caution: During assembling, ensure that the Speaker Wire Assembly is dressed properly between the 2 slots of the Woofer Speaker (SP2), the groove of the Front Cabinet Block and the ribs of the Front Cabinet Block as shown.
  • Page 69 11.6.4. Replacement of the Speaker Wire Assembly 11.6.4.1. Disassembly of the Speaker Wire Assembly Note: Speaker Wire Assembly is inclusive of Piezo • Refer to “Disassembly of Front Speaker Unit”. • Refer to “Disassembly of Rear Cabinet Assembly” (Step 1) to (Step 4). •...
  • Page 70 Step 3 : Use a pair of Tweezers to remove the Piezo Cap from Speaker Wire Assembly. Step 4 : Remove the Piezo Cap. Step 5 : Remove the Speaker Wire Assembly from the Piezo Cover.
  • Page 71 11.6.4.2. Assembly of the Speaker Wire Assembly Step 1 : Clean the surface of Front Cabinet Block. Step 2 : Place the Piezo Cap onto the Front Cabinet Block. Step 3 : Apply Glue to the Piezo Cap.
  • Page 72 Step 4 : Place the Piezo onto the Piezo Cover. Step 5 : Place the Piezo Assembly onto the Piezo Cap. Step 6 : Apply the Glue to the Piezo Assembly.
  • Page 73 Step 7 : Attach the Yellow (+) and Black (-) wire to the terminal of Tweeter Speaker (SP1). Step 8 : Attach the Yellow (+) and Red/Black (-) wire to the terminal of Woofer Speaker (SP2).
  • Page 74 Step 9 : Attach the Black (-) and Red (+) wire to the Terminal. Step 10 : Dressed the Speaker Wire Assembly between the ribs of the Front Cabinet Block.
  • Page 75 Step 11 : Dressed the Speaker Wire Assembly into the slots of the Woofer Speaker (SP2).. Step 12 : Dressed the Speaker Wire Assembly into the groove of the Front Cabinet Block. Step 13 : Dressed the Speaker Wire Assembly between the ribs of the Front Cabinet Block.
  • Page 76 Step 14 : Dressed the Speaker Wire Assembly into the grooves of the Front Cabinet Block. Step 15 : Dressed the Speaker Wire Assembly into the ribs of the Front Cabinet Block.
  • Page 77 11.7. Disassembly of Center Speakers (SB-HTB770) 11.7.1. Disassembly of Rear Cabinet Step 3 : Upset the Rear Cabinet Block. Assembly • Refer to “Disassembly of Center Speaker Unit”. Step 1 : Remove 6 screws. Step 4 : Detach the Red(+) and Black(-) wire from the Termial. Step 5 : Remove the Sound Absorber.
  • Page 78 Step 7 : Remove 1 screw. Step 9 : Remove the Terminal and Cord Eyelet. Step 8 : Unbend the Terminal Contacts (+) and (-). Caution: Do not exert too much force as it may demage the Terminal Contacts.
  • Page 79 11.7.2. Disassembly of Woofer Speaker Step 3 : Remove the Woofer Speaker (SP3). (SP3) • Refer to “Disassembly of Center Speaker Unit”. • Refer to “Disassembly of Rear Cabinet Assembly” (Step 1) to (Step 3). Step 1 : Detach the Red/Yellow (+) and Black/Blue (-) wire from the terminal of the Woofer Speaker (SP3).
  • Page 80 Step 4 : Remove the Eva Packing. 11.7.3. Replacement of Speaker Wire Assembly Note : Speaker Wire Assembly is inclusive of Piezo. • Refer to “Disassembly of Center Speaker Unit”. • Refer to “Disassembly of Rear Cabinet Assembly” (Step 1) to (Step 4).
  • Page 81 Step 3 : Use a pair of Tweezers to remove the Piezo Cap from 11.7.3.2. Assembly of Speaker Wire the Speaker Wire Assembly. Assembly Step 1 : Clean the surface of the Front Cabinet Block. Step 2 : Place the Piezo Cap onto the Front Cabinet Block. Step 4 : Remove the Piezo Cap.
  • Page 82 Step 5 : Place the Piezo Assembly onto the Piezo Cap. 11.8. Disassembly of Active Subwoofer (SB-HWA770) 11.8.1. Disassembly of Rear Panel Block Step 1 : Remove 6 screws. Step 6 : Apply Glue to the Piezo Assembly. Step 2 : Upset the Subwoofer Speaker Unit.
  • Page 83 Step 3 : Slightly detach the Rear Panel Block. Step 5 : Detach 2P Cable Wire at the connector (CN1005) on Caution : Do not exert too much force as it may damage the SW DAMP P.C.B.. the wiring inside. Step 6 : Remove the Rear Panel Block.
  • Page 84 11.8.2. Disassembly of Digital Receiver 11.8.3. Disassembly of SW DAMP P.C.B. Module P.C.B. • Refer to “Disassembly of Rear Panel Block”. • Refer to “Disassembly of Rear Panel Block”. Step 1 : Detach 10P Cable Wire at the connector (CN1) on the SMPS P.C.B..
  • Page 85 Step 4 : Remove the SW DAMP P.C.B.. Step 5 : Detach 24P FFC at the connector (CN1) on the Digital Receiver Module P.C.B.. Step 6 : Upset the SW DAMP P.C.B. to release the catches. Caution: During assembling, ensure that the SW DAMP P.C.B.
  • Page 86 Step 7 : Remove the Digital Receiver Module Unit. 11.8.4. Replacement of Digital Amplifier IC Step 8 : Remove the SW DAMP P.C.B.. (IC5200) • Refer to “Disassembly of SW DAMP P.C.B.”. 11.8.4.1. Disassembly of Digital Amplifier IC (IC5200) Caution: Handle the SW DAMP P.C.B. with caution. Avoid touching the Heatsink unit due to its high temperature after prolonged use.
  • Page 87 Step 4 : Remove the Heatsink Unit and the Digital Amplifier IC 11.8.4.2. Assembly of Digital Amplifier IC (IC5200). (IC5200) Step 1 : Apply grease on the IC Insulator at the Heatsink Unit. Step 2 : Fix the Digital Amplifier IC (IC5200) onto the SW DAMP P.C.B..
  • Page 88 Step 5 : Solder the pins of the Digital Amplifier IC (IC5200). 11.8.5. Disassembly Power Button Step 6 : Solder the pins of Heatsink Unit. P.C.B. • Refer to “Disassembly of Rear Panel Block”. Step 1 : Detach 4P Cable Wire at the connector (CN1002) on the SW DAMP P.C.B..
  • Page 89 Caution : During assembling, ensure that the SW Power 11.8.6. Disassembly of SW SMPS and SW Button P.C.B. is seated properly onto the 2 locators of the AC Inlet P.C.B. Rear Panel Block. • Refer to “Disassembly of Rear Panel Block”. Step 1 : Remove 1 screw.
  • Page 90 Step 3 : Detach 10P Cable Wire at the connector (CN1) on the Caution : During assembling, ensure that the SW SMPS P.C.B. is seated properly onto the locators of the chassis. SW SMPS P.C.B.. Step 4 : Remove 4 screws. Step 5 : Remove the SW SMPS and SW AC Inlet P.C.B..
  • Page 91 11.8.7. Replacement of Switching 11.8.7.2. Assembly of Switching Regulator IC (IC5701) Regulator IC (IC5701) • Refer to “Disassembly of SW SMPS and SW AC Inlet P.C.B.”. Step 1 : Apply grease on the Heatsink Unit A. Step 2 : Fix the Switching Regulator IC (IC5701) to the SW 11.8.7.1.
  • Page 92 11.8.8. Replacement of Rectifier Diode 11.8.8.2. Assembly of Rectifier Diode (D5802) (D5802) • Refer to “Disassembly of SW SMPS and SW AC Inlet P.C.B.”. Step 1 : Apply grease on the Heatsink Unit B. Step 2 : Fix the Rectifier Diode (D5802) to the SW SMPS 11.8.8.1.
  • Page 93 11.8.9. Disassembly of Bottom Panel 11.8.10. Disassembly of Woofer Speaker Assembly (SP61) • Refer to “Disassembly of Bottom Panel Assembly”. Step 1 : Remove 4 screws. Step 2 : Remove the Bottom Panel Assembly. Step 1 : Remove 4 screws. Step 2 : Slightly lift up the Woofer Speaker (SP61).
  • Page 94 11.8.11. Replacement of Speaker Connector Housing 11.8.11.1. Disassembly of Speaker Connec- Step 2: Insert the (+) speaker wire into the (+) hole of the Speaker Connector Housing. tor Housing Note: Push in the speaker wire until hear the “click” sound. Step 1: Use a paper clip push the Speaker Wire head until it hide inside the Speaker Connector Housing.
  • Page 95 12 Service Position 12.1. Main Unit (SU-HTB770) Note: For description of the disassembly procedures, see the Section 11 12.1.1. Checking and Repairing of HDMI Step 5 : HDMI P.C.B. (Side A) can be checked as diagram shown. P.C.B. (Side A) Step 1 : Remove Top Cabinet.
  • Page 96 12.1.2. Checking and Repairing of HDMI 12.1.3. Checking and Repairing of SMPS P.C.B. (Side B) and AC Inlet P.C.B. Step 1 : Remove Top Cabinet. Step 1 : Remove Top Cabinet. Step 2 : HDMI P.C.B. (Side B) can be checked as diagram Step 2 : Remove SMPS and AC Inlet P.C.B..
  • Page 97 12.1.4. Checking and Repairing of Panel 12.1.5. Checking and Repairing of Main P.C.B. P.C.B. (Side A) Step 1 : Remove Top Cabinet. Step 1 : Remove Top Cabinet. Step 2 : Panel P.C.B. can be checked as diagram shown. Step 2 : Remove 5 screws. Step 3 : Remove 7 screws.
  • Page 98 Step 4 : Release the catch on the right side of the Rear Panel Step 6 : Main P.C.B. (Side A) can be checked as diagram slightly. shown.. Caution: During assembling, ensure that the Rear Panel is catched properly onto the chassis. Step 5 : Upset and place the Main P.C.B.
  • Page 99 12.1.6. Checking and Repairing of Main Step 6 : Place the Main P.C.B. on an insulated material. P.C.B. (Side B) Step 1 : Remove Top Cabinet. Step 2 : Remove Main P.C.B.. Step 3 : Place the Main P.C.B. on an insulated material. Step 4 : Remove 3 screws.
  • Page 100 Step 12 : Main P.C.B. (Side B) can be checked as diagram shown.
  • Page 101 12.2. Active Subwoofer (SB-HWA770) Note: For description of the disassembly procedures, see the Section 11 12.2.1. Checking and Repairing of SW SMPS and SW DAMP P.C.B. Step 1 : Remove SW DAMP P.C.B.. Step 6 : Attach 3P Cable Wire at the connector (CN1003) on Step 2 : Remove SW Power Button P.C.B..
  • Page 102 Step 9 : SW DAMP P.C.B. and SW SMPS P.C.B. can be checked as diagram shown.
  • Page 103 13 Overall Simplified Block 13.1. Main Unit (SU-HTB770) 13.1.1. Overall Control Diagram KEY BOARD DC FAN REMOTE HIGH SIDE SWITCH LOCK H B + / - FRONT LEFT FET D-AMP 1 CONN SPEAKER OP AMP H B + / - FRONT RIGHT FET D-AMP 2 SWITCH...
  • Page 104 13.1.2. Power Supply Diagram 10%THD 28 V 6.082 A 5500 mA 1.1A 20 V 1.648 A 1100 mA mA Max 116 mA Damp Rated 2/8-1%THD mA Rated HTB770 Rated 58 mA Rated 46 mA TRANS DC_DC Con 12V Rated HTB570 100 mA HTB370 Rated...
  • Page 105 13.2. Active Subwoofer (SB-HWA770) 13.2.1. Overall Control Diagram ID_SET Pairing DAMP SELECTOR I2S data SW_out DC_DETECT +/- 18V Mode CTRL REGULATOR Power Switch 5V_CONTROL Button SMPS +/- 23V SD_out...
  • Page 106 CN6001 KEY1 KEY 1 USB- CN2003 USB- BLUETOOTH USB EN(5V) / USB SW BLUETOOTH FREQUENCY DEVICE CIRCUIT USB+ CN2003 USB+ BLUETOOTH MODULE P.C.B. NOTE: “ * ” REF IS FOR INDICATION ONLY SC-HTB770P/PC(SU-HTB770P/PC) SYSTEM CONTROL & AUDIO (1/2) BLOCK DIAGRAM...
  • Page 107 OUT B 35 BST B 43 PWM A PWM B DC DET DC DETECT FROM POWER SUPPLY DC DET +28V CIRCUIT Q5802,Q5803 Q5804,Q5805 NOTE: “ * ” REF IS FOR INDICATION ONLY SC-HTB770P/PC(SU-HTB770P/PC) SYSTEM CONTROL & AUDIO (2/2) BLOCK DIAGRAM...
  • Page 108 RXC C- CN1000 CN2000 TX INT TX INT HDMI INT TX HDMI INT TX INT TX 84 CN1000 CN2000 HDMI MUTEOUT HDMI MUTEOUT HDMI MUTEOUT INT2 83 HDMI MUTEOUT TU1350 HDMI AV IN (BD/DVD(HDMI IN 1)) SC-HTB770P/PC(SU-HTB770P/PC) HDMI BLOCK DIAGRAM...
  • Page 109 RXB 1- TX1- TX1- TMDS D1- TMDS D1+ RXB 1+ RXB 1+ TX1+ TX1+ TMDS D1+ TMDS D2- RXB 2- RXB 2- TX2- TX2- TMDS D2- TMDS D2+ RXB 2+ RXB 2+ TX2+ TX2+ TMDS D2+ SC-HTB770P/PC(SU-HTB770P/PC) IC TERMINAL CHART...
  • Page 110 ECO CTR ECO CTR ECO CTR ECO CTR CIRCUIT SYSTEM CONTROL & AUDIO IC5801 C0DABYY00072 SHUNT REGULATOR Q5863 TO POWER SUPPLY BLOCK (2/2) PRIMARY SECONDARY NOTE: “ * ” REF IS FOR INDICATION ONLY SC-HTB770P/PC(SU-HTB770P/PC) POWER SUPPLY (1/2) BLOCK DIAGRAM...
  • Page 111 USB EN 3 EN VIN 1 FROM/TO SYSTEM CONTROL & AUDIO USB OC USB OC VBUS VBUS 4 /OC VOUT 5 TO POWER SUPPLY BLOCK (1/2) NOTE: “ * ” REF IS FOR INDICATION ONLY SC-HTB770P/PC(SU-HTB770P/PC) POWER SUPPLY (2/2) BLOCK DIAGRAM...
  • Page 112 14.2. Active Subwoofer (SB-HWA770) 14.2.1. AUDIO & POWER SUPPLY (1/2) BLOCK DIAGRAM : AUDIO OUTPUT SIGNAL LINE SW SMPS P.C.B. SW DAMP P.C.B. T5701 MAIN TRANSFORMER SW AC INLET P.C.B. -23V H1001 -23V -23V P5701 AC INLET L5702 D5701 L5703 D5802 IC5203 TH5702...
  • Page 113 3 SCLK CN1000 CONT MCLK MCLK CN1005 14 MCLK OUT2 14 SUBWOOFER PWM MUTE CN1000 PWM MUTE CN1005 10 MUTE OUT1 10 QR2012 SU-HTB770P/PC DIGITAL SWITCH FREQUENCY BOOT1 9 RECEIVER CIRCUIT Q1004 +5V POWER SUPPLY D5762 D5761 Q1005 SWITCH D5760 (PCON)POWER...
  • Page 114 2 ..18 2 ..18 BD/DVD AUX1 AUX2 (ARC/HDMI OUT) (HDMI IN 1) (HDMI IN 2) (HDMI IN 3) SC-HTB770P/PC (SU-HTB770P/PC) WIRING CONNECTION DIAGRAM...
  • Page 115 15.2. Active Subwoofer (SB-HWA770) SW POWER BUTTON P.C.B. SOLDER SIDE 4 . . . 1 *CN1004 4 . . . 1 CN1002 SW LED P.C.B. SOLDER SIDE CN1000 CN4000 SW DAMP P.C.B. 3 . . 1 CN1005 SUBWOOFER TO DIGITAL SOLDER SIDE RECEIVER MODULE...
  • Page 117 16 Schematic Diagram 16.1. Schematic Diagram Notes • Voltage and signal line (All schematic diagrams may be modified at any time with : +B Signal Line the development of new technology) Notes: : -B Signal Line Main Unit (SU-HTB770) : HDMI/Optical/Aux Audio Input S6001: VOLUME DOWN switch.
  • Page 119 HDMI_FL_FR HDMI_LFE_C HDMI_SL_SR R1012 HDMI_SL_SR HDMI_RL_RR 390K HDMI_SBL_SBR HDMI_C_SW X1000 C1037 HDMI_GND 28.636MHz HDMI_LRCK HDMI_LRCK HDMI_SCLK HDMI_SCLK HDMI_RESET H4 H4 H4 H4 H4 H4 H4 H0 ~ H4: HDMI CIRCUIT: SCHEMATIC DIAGRAM - 1 ~ 2 SC-HTB770P/PC (SU-HTB770P/PC) HDMI CIRCUIT...
  • Page 120 C1203 R1206 HDMI_SL_SR C1200 C1201 Q1200 R1200 R1201 B1CFGD000002 CEC INTERFACE R1202 VA1208 LB1200 ~ LB1204 J0JCC0000042 C1208 C1209 TU1200 SC-HTB770P/PC (SU-HTB770P/PC) HDMI AV OUT H0 ~ H4: HDMI CIRCUIT: SCHEMATIC DIAGRAM - 1 ~ 2 HDMI CIRCUIT (TV (ARC))
  • Page 121 D1: MAIN (DAMP) CIRCUIT: SCHEMATIC DIAGRAM - 7 ~ 9 TO MAIN (MICON) M8 M8 M8 M8 D1 D1 M2 M2 M1 M1 M3 M9 M9 M9 CIRCUIT (3/4) SC-HTB770P/PC M4 M4 M4 (SU-HTB770P/PC) MAIN (MICON) CIRCUIT NOTE: “ * ” REF IS FOR INDICATION ONLY...
  • Page 122 M0 ~ M9: MAIN (MICON) CIRCUIT: SCHEMATIC DIAGRAM - 3 ~ 6 D1: MAIN (DAMP) CIRCUIT: SCHEMATIC DIAGRAM - 7 ~ 9 TO MAIN (MICON) CIRCUIT (4/4) SC-HTB770P/PC (SU-HTB770P/PC) NOTE: “ * ” REF IS FOR INDICATION ONLY MAIN (MICON) CIRCUIT...
  • Page 123 　 M0 ~ M9: MAIN (MICON) CIRCUIT: SCHEMATIC DIAGRAM - 3 ~ 6 J0JHC0000034 PW_PVDD6V D1: MAIN (DAMP) CIRCUIT: SCHEMATIC DIAGRAM - 7 ~ 9 SYNC SC-HTB770P/PC (SU-HTB770P/PC) MAIN (MICON) CIRCUIT NOTE: “ * ” REF IS FOR INDICATION ONLY...
  • Page 124 M0 ~ M9: MAIN (MICON) CIRCUIT: SCHEMATIC DIAGRAM - 3 ~ 6 +3.3V BT_D- LOG_UART_RX LOG_UART_RX D1: MAIN (DAMP) CIRCUIT: SCHEMATIC DIAGRAM - 7 ~ 9 USB- TO BLUETOOTH MODULE USB+ BT_D+ R2045 DGND LB2014 J0JHC0000034 SC-HTB770P/PC (SU-HTB770P/PC) MAIN (MICON) CIRCUIT NOTE: “ * ” REF IS FOR INDICATION ONLY...
  • Page 125 4.7K C5202 1000P RL5005* C5220 IC5204 C0JBAB000837 DUAL INVERTER IC5205 C0JBAE000302 C5219 OR GATE SC-HTB770P/PC M0 ~ M9: MAIN (MICON) CIRCUIT: SCHEMATIC DIAGRAM - 3 ~ 6 (SU-HTB770P/PC) MAIN (DAMP) CIRCUIT NOTE: “ * ” REF IS FOR INDICATION ONLY...
  • Page 126 BST_C C5404 0.033 R5402 GVDD_CD BST_D C5401 C5807 RL5002* TO MAIN (DAMP) CIRCUIT (3/3) SC-HTB770P/PC M0 ~ M9: MAIN (MICON) CIRCUIT: SCHEMATIC DIAGRAM - 3 ~ 6 (SU-HTB770P/PC) MAIN (DAMP) CIRCUIT NOTE: “ * ” REF IS FOR INDICATION ONLY...
  • Page 127 100K L5905 G1C330MA0291 Q5801 C5925 D5802 50V10 DZ2J330M0L C5923 16V330 Q5801 B1GBCFGG0030 DC DETECT SC-HTB770P/PC M0 ~ M9: MAIN (MICON) CIRCUIT: SCHEMATIC DIAGRAM - 3 ~ 6 (SU-HTB770P/PC) MAIN (DAMP) CIRCUIT NOTE: “ * ” REF IS FOR INDICATION ONLY...
  • Page 128 LED SWITCH VREF(3.3V) R6010 REMOTE DATA R6011 KEY1 R6012 KEY2 DIM_CTRL LED_LCK LED_CLK LED_DATA LED_OE DGND REG6V Z6001 REMOTE SENSOR R6033 4.7K R6021 R6005 R6013 R6004 R6009 R6008 C6008 R6026 8.2K R6022 8.2K K100 ...HTB770 R6023 SC-HTB770P/PC (SU-HTB770P/PC) PANEL CIRCUIT...
  • Page 129 1.5M C5703 R5700 C5701 F0CAF104A105 1.5M C5702 K5722 ...P/PC F0CAF104A105 R5710 1.5M DZ5701 TL20* ERZV10V511CS (BLK) CL5722 CL5720 C5704 F1BAF471A013 470P K5728* ...HTB770 ZJ5701 C5705 F1BAF471A013 470P SC-HTB770P/PC (SU-HTB770P/PC) NOTE: “ * ” REF IS FOR INDICATION ONLY SMPS CIRCUIT...
  • Page 130 SCHEMATIC DIAGRAM - 12 : +B SIGNAL LINE AC INLET CIRCUIT K5701* K5702* TL11* P5701 (RED) T3.15A 250V AC IN 120V 60Hz TL21* (BLK) K5703* K5704* SC-HTB770P/PC (SU-HTB770P/PC) NOTE: “ * ” REF IS FOR INDICATION ONLY AC INLET CIRCUIT...
  • Page 131 16.3. Active Subwoofer (SB-HWA770) 16.3.1. SW DAMP CIRCUIT (1/2) SCHEMATIC DIAGRAM - 13 SW DAMP CIRCUIT : +B SIGNAL LINE : -B SIGNAL LINE : AUDIO OUTPUT SIGNAL LINE Q2002 RL1001* (CHASSIS GND) B1AAKD000012 R3107 R3108 R5769 R2000 6.8K 6.8K 1.2K +16V VOLTAGE REGULATOR Q5602...
  • Page 132 16.3.2. SW DAMP CIRCUIT (2/2) SCHEMATIC DIAGRAM - 14 SW DAMP CIRCUIT : +B SIGNAL LINE : -B SIGNAL LINE : AUDIO OUTPUT SIGNAL LINE IC5200 C1BA00000497 DIGITAL AMPLIFIER R1015 Q1007 B1ABCF000176 SPEAKER PROTECTION SWITCH C5208 C5220 C5214 C5223 R5206 C5209 C5212 0.47...
  • Page 133 16.3.3. SW POWER BUTTON, SW LED & SW AC INLET CIRCUIT SCHEMATIC DIAGRAM - 15 SW AC INLET CIRCUIT SW POWER BUTTON CIRCUIT : +B SIGNAL LINE K5701* K5702* S1000 CN1004* I/D SET TL11* P5701 (RED) T3.15A 250V IDSET SW DAMP +5V_GND CIRCUIT AC IN...
  • Page 134 16.3.4. SW SMPS CIRCUIT SCHEMATIC DIAGRAM - 16 : +B SIGNAL LINE SW SMPS CIRCUIT ZA1* R5857 R5859 QR5867 (HEATSINK) B1GBCFJJ0051 POWER CONTROL R5855 R5858 R5731 PGND Q5865 8.2K R5733 C5730 PGND B1ADCF000001 C5863 Q5866 PVCC C5862 SWITCH B1ABCF000176 R5856 PVCC SWITCH DGND...
  • Page 135 VA1211 C1351 R1326 R1327 VA1212 C1301 R1351 VA1359 R1353 VA1333 VA1334 R1328 VA1310 R1200 VA1360 VA1361 VA1311 C1204 VA1209 R1202 C1326 C1205 VA1335 R1207 LB1327 C1201 R1206 R1350 C1350 R1325 C1325 R1300 C1300 VA1213 (SIDE A) SC-HTB770P/PC (SU-HTB770P/PC) HDMI P.C.B.
  • Page 136 C1209 C1327 TU1300 TU1325 TU1350 TU1200 HDMI AV IN HDMI AV IN HDMI AV IN HDMI AV OUT (AUX 2 (HDMI IN 3)) (AUX 1 (HDMI IN 2)) (BD/DVD (HDMI IN 1)) (TV (ARC)) (SIDE B) SC-HTB770P/PC (SU-HTB770P/PC) HDMI P.C.B.
  • Page 137 R5506 C5401 C5351 C5352 R5505 C5517 C5305 C5502 R5509 C5417 R5405 C5101 C5314 C5414 C5413 C5418 R5406 RL5001* R5409 LB2002 C5323 C5524 C5423 C5523 C5324 C5424 LB2004 NOTE: " * " REF IS FOR INDICATION ONLY SC-HTB770P/PC (SU-HTB770P/PC) MAIN P.C.B.
  • Page 138 6 - FL- CN2006 P5100 (FOR DEBUG) JK2002 JK2001 NOTE: " * " REF IS FOR INDICATION ONLY DIGITAL AUDIO IN DIGITAL AUDIO IN USB PORT TO SPEAKERS SC-HTB770P/PC (SU-HTB770P/PC) (TV (OPT 1)) (AUX 3 (OPT 2)) FOR SERVICE MAIN P.C.B.
  • Page 139 PC5720 Q5865 Q5761 ZJ5703 3627AA 3627AA QR5824 Q5864 CAUTION RISK OF ELECTRIC SHOCK AC VOLTAGE LINE. PLEASE DO NOT TOUCH THIS P.C.B SC-HTB770P/PC (SU-HTB770P/PC) PANEL / SMPS / AC INLET P.C.B. NOTE: " * " REF IS FOR INDICATION ONLY...
  • Page 140 17.2. Active Subwoofer (SB-HWA770) 17.2.1. SW DAMP, SW POWER BUTTON & SW LED P.C.B. SW DAMP P.C.B. (REP4869AA) Q2002 K1053 Z1002 IC3002 CN1002 R3206 R5782 C3105 IC5202 QR2012 R3204 C3106 R3108 C1005 W1005 R5781 R5769 Q2010 QR2013 R3111 Q1007 TP1* Q5602 C5221 Q2011...
  • Page 141 17.2.2. SW SMPS & SW AC INLET P.C.B. SW SMPS P.C.B. (REP4860K) D5803 T5701 SECONDARY PRIMARY (TRANSFORMER) ZJ5701 ZA2* C5712 (HEATSINK) C5704 R5703 D5802 TH5860 R5702 K5805 C5705 C5808 C5805 ZA1* L5703 (HEATSINK) C5722 R5733 TL20* (BLK) C5702 D5706 IC5701 R5722 DZ5701 C5700...
  • Page 143 CD PLAY STANDBY IC1000 REF NO. MODE CD PLAY STANDBY IC1000 REF NO. MODE CD PLAY STANDBY IC1000 REF NO. MODE CD PLAY STANDBY IC1100 REF NO. MODE POWER ON STANDBY IC1101 REF NO. MODE POWER ON STANDBY SC-HTB770P/PC(SU-HTB770P/PC) HDMI P.C.B.
  • Page 144 18.1.1.2. HDMI P.C.B. (2/2) IC1200 REF NO. MODE CD PLAY STANDBY Q1103 Q1200 REF NO. MODE CD PLAY STANDBY SC-HTB770P/PC(SU-HTB770P/PC) HDMI P.C.B.
  • Page 145 CD PLAY STANDBY IC2000 REF NO. MODE CD PLAY STANDBY IC2000 REF NO. MODE CD PLAY STANDBY IC2001 REF NO. MODE CD PLAY STANDBY IC2002 REF NO. MODE POWER ON STANDBY IC2003 REF NO. MODE CD PLAY STANDBY SC-HTB770P/PC(SU-HTB770P/PC) MAIN P.C.B.
  • Page 146 STANDBY IC5300 REF NO. MODE CD PLAY 11.9 11.9 STANDBY 11.9 11.9 IC5300 REF NO. MODE CD PLAY 11.9 11.3 11.3 28.0 28.0 28.0 28.0 28.0 28.0 STANDBY 11.9 11.3 11.3 28.0 28.0 28.0 28.0 28.0 28.0 SC-HTB770P/PC(SU-HTB770P/PC) MAIN P.C.B.
  • Page 147 28.0 28.0 28.0 IC5500 REF NO. MODE CD PLAY 17.2 17.2 STANDBY 17.2 17.2 IC5801 REF NO. MODE POWER ON 12.0 16.7 28.0 STANDBY 12.0 16.7 28.0 Q2000 Q2001 Q5801 Q5802 REF NO. MODE CD PLAY STANDBY SC-HTB770P/PC(SU-HTB770P/PC) MAIN P.C.B.
  • Page 148 MODE CD PLAY 17.9 STANDBY 17.9 QR2002 QR2003 QR2301 QR2302 QR2303 REF NO. MODE CD PLAY STANDBY SC-HTB770P/PC(SU-HTB770P/PC) MAIN P.C.B. 18.1.1.7. PANEL P.C.B. IC6001 REF NO. MODE POWER ON STANDBY QR6002 QR6003 QR6004 REF NO. MODE POWER ON STANDBY SC-HTB770P/PC(SU-HTB770P/PC) PANEL P.C.B.
  • Page 149 18.1.2. Active Subwoofer (SB-HWA770) 18.1.2.1. SW DAMP P.C.B. IC3002 REF NO. MODE CD PLAY -15.1 15.8 STANDBY -15.1 15.8 IC5200 REF NO. MODE CD PLAY 22.8 -22.7 -14.2 23.1 18.3 -22.9 -12.8 -22.9 18.3 23.1 -22.7 -22.7 22.8 STANDBY 22.8 -22.7 -14.2 23.1 18.3 -22.9 -12.8 -22.9 18.3 23.1 -22.7 -22.7...
  • Page 150 18.1.2.2. SW SMPS P.C.B. IC5701 REF NO. MODE POWER ON 166.6 14.4 STANDBY 166.6 14.4 IC5801 REF NO. MODE POWER ON 16.0 STANDBY 16.0 IC5822 REF NO. MODE POWER ON STANDBY Q5720 Q5760 Q5761 Q5865 Q5866 REF NO. MODE POWER ON 15.1 15.7 15.7 14.3 14.3 14.3...
  • Page 151 18.1.3. Waveform Chart 18.1.3.1. Main Unit (SU-HTB770) 1Vp-p(20nsec/div) 4Vp-p(1usec/div) 2Vp-p(20nsec/div) 5.6Vp-p(1usec/div) 38Vp-p(1usec/div) 3.8Vp-p(20nsec/div) 6.8Vp-p(1usec/div) SC-HTB770P/PC(SU-HTB770P/PC) 18.1.3.2. Active Subwoofer (SB-HWA770) 0.84Vp-p(200usec/div) 0.84Vp-p(200usec/div) 5.6Vp-p(1usec/div) 64Vp-p(1usec/div) SC-HTB770P/PC(SB-HWA770P/PC)
  • Page 152 18.2. Illustration of IC’s, Transistors and Diodes 18.2.1. Main Unit (SU-HTB770) C0CBCDD00004 C0DAAYY00072 C0DABYY00035 C0DBAYY01282 C0DBEJG00001 C0DBZYY00311 C0DBEYY00175 C0DBEYY00197 RFKWEHTB770M C0EBY0000872 C0JBAB000837 C0JBAE000302 C0JBAQ000073 (18P) C0JBAR000581 C1AB00003852 C1AB00003994 (44P) No.1 C1AB00004019 (128P) B1ABCF000011 B1BABG000007 C3EBEY000042 B1ADCF000001 C1AB00004020 (144P) B1ABCF000176 B1GBCFNN0035 B1ADBL000010 B1GBCFGG0030 B1GDCFJJ0008...
  • Page 153 18.2.2. Active Subwoofer (SB-HWA770) C0ABBB000244 (8P) C0CBADG00023 C0DAAYY00072 C0DABYY00035 C0EBY0000829 C0FBBY000124 C1BA00000497 (24P) No.1 C0JBAS000223 B1AAKD000012 B1ABCF000011 B1ADCF000001 B1BABG000007 B1ACCF000093 B1ABCF000176 B1ACKD000006 B1ADCE000012 B1GBCFGG0030 B1GBCFJJ0051 B1GBCFGG0030 B1GBCFJJ0048 B1GDCFJJ0008 B0ABSM000008 B0ACCK000005 B0BC01600013 B0EAKT000063 B0EBNR000051 DA2J10100L B0EAMM000057 Cathode Cathode Cathode Cathode Anode Anode Anode Anode...
  • Page 154 18.3. Terminal Function of IC’s 18.3.1. IC2000 (C1AB00004019) MICROPROCESSOR IC Terminal Name Function Terminal Name Function BYP_AN Regulated supply voltage bypass: Analog circuit blocks RESET_N For on board programming AGND Analog ground JTAG TDO JTAG For debugging AVDD 3.6 V 3.6V DC voltage input to analog JTAG TCK JTAG For debugging...
  • Page 155 Terminal Name Function HDMI_MUTE_D Interrupt from HDMI. Mute from HDMI RX. HDMI_VSYNC Interrupt from HDMI. VSYNC Monitor for Source. HDMI_RESET_ Reset of HDMI V_CHECK ADC (IN) HDMI_MUTE_DI HDMI_MUTE_Disable ECO_LEV ECO LEVEL detection REGION Region setting MODEL Model setting DIM_CTRL Dimmer on/off VFD_STB ESD reset LOG_UART_TX...
  • Page 157 CN2003 (SMPS P.C.B.) CN2004 CN2005 *TL20(BLK) (BLUETOOTH T5701 MODULE P.C.B) S6002 S6001 S6004 S6003 CN6001 (DIGITAL TRANSMISTTER MODULE P.C.B.) Z6001 (PANEL P.C.B.) SU-HTB770P-K/S SU-HTB770PCK/S CABINET DRAWINGS NOTE: " * " PART IS NOT SUPPLIED / REF IS FOR INDICATION ONLY.
  • Page 158 19.1.2. Cabinet Parts Location (SB-HTB570) STANDING POSITION BAR POSITION (FRONT SPEAKER UNIT L/R) (FRONT SPEAKER UNIT (L/R)) A15-2 A15-1 (FRONT SPEAKER UNIT (L)) A7-1 A7-1 (CENTER SPEAKER UNIT) A15-2 A15-1 (FRONT SPEAKER UNIT (R)) A8-1 A8-1 A8-1 A8-1 SB-HTB570GNK SB-HTB570EGS NOTE: "...
  • Page 159 FRONT SPEAKER UNIT (L/R) 42-1 42-2 REAR VIEW SB-HTB570GNK SB-HTB570EGS CABINET DRAWINGS...
  • Page 160 19.1.3. Cabinet Parts Location (SB-HTB770) 22-1 22-3 22-2 SB-HTB770P-K/S CABINET DRAWINGS...
  • Page 161 19.1.4. Cabinet Parts Location (SB-HWA770) *CN1004 (SW POWER BUTTON P.C.B.) S1001 S1000 *HEAT SINK CN1002 CN1006 (SW DAMP P.C.B.) ZJ1002 (SW LED P.C.B.) CN1005 CN4000 CN1003 ZJ1001 CN1000 H1001 ZJ1001 ZJ1003 IC5200 (DIGITAL RECEIVER MODULE P.C.B.) P5701 *TL21 (BLK) (SW AC INLET *TL11 P.C.B.) (RED)
  • Page 162 19.1.5. Packaging (SC-HTB770) ACCESSORIES BAG SB-HTB570GN/EG LEG STAND UNIT REMOTE CONTROL OI BOOK A1-1 R/C BATTERY COVER AC CORD STAND NECK UNIT SU-HTB770P/PC A11/A12 SB-HWA770P/PC SCREW SB-HTB770P LEG CUSHION HOOK PLATE LEG SUPPORT UNIT A4-1 SB-HTB570GN/EG POLYFOAM (LEFT) A5-1 POLYFOAM (RIGHT)
  • Page 163 19.1.6. Mechanical Replacement Parts List 19.1.6.1. Main Unit (SU-HTB770) Safety Ref. Part No. Part Name & QTY Remarks Description RMK0662B-K TOP PANEL P-K,PCK RKM0662B-S TOP PANEL P-S,PCS Safety Ref. Part No. Part Name & QTY Remarks Description RHD14129 SCREW CABINET AND CHAS- RGR0441B-A REAR PANEL P-K, P-...
  • Page 164 Safety Ref. Part No. Part Name & QTY Remarks Safety Ref. Part No. Part Name & QTY Remarks Description Description RMF0608 ACOUSTIC ABSORBER RGP1648-S BOTTOM PANEL P-S, RMF0605 SPEAKER EVA RKA0072-KJ LEG CUSHION REX1608-1 SPK WIRE ASS'Y RMCX0035 HEAT SINK CLIP A RMR2064-H PIEZO COVER XTB3+10JFJ...
  • Page 165 Safety Ref. Part No. Part Name & QTY Remarks Description RPG0C82 PACKING CASE (SU- HTB) RPG0C83 PACKING CASE (SU- PC-S HTB) RPG0D78 PACKING CASE (SU- HTB) RPG0D79-1 PACKING CASE (SU- PC-K HTB) RPN2494 POLYFOAM (SU-HTB) RPN2495 POLYFOAM (SB-HTB) RPN2496 POLYFAOM (SB-HWA) RPF0610 MIRAMAT (SU-HTB) RPF0653...
  • Page 166 19.2. Electrical Replacement Parts List 19.2.1. Main Unit (SU-HTB770) Safety Ref. Part No. Part Name & QTY Remarks Description IC5500 C1AB00003994 (E.S.D) IC5701 C0DABYY00035 (E.S.D) Safety Ref. Part No. Part Name & QTY Remarks IC5801 C0DAAYY00072 (E.S.D) Description IC5801 C0DBAYY01282 (E.S.D) PRINTED CIRCUITS...
  • Page 167 Safety Ref. Part No. Part Name & QTY Remarks Safety Ref. Part No. Part Name & QTY Remarks Description Description QR6003 B1ABCF000011 TRANSISTOR (E.S.D) CN2002 K1MN13AA0046 13P CONNECTOR QR6004 B1GBCFJJ0048 TRANSISTOR (E.S.D) CN2003 K1KA05AA0051 5P CONNECTOR CN2004 K1KA10AA0194 10P CONNECTOR DIODES CN2005 K1MN24AA0046...
  • Page 168 Safety Ref. Part No. Part Name & QTY Remarks Safety Ref. Part No. Part Name & QTY Remarks Description Description TU1350 K1FY119E0073 JK BD/DVD (HDMI IN LB2017 J0JBC0000014 INDUCTOR LB2200 J0JHC0000078 INDUCTOR COILS INDUC- TRANSFORMER TORS T5701 ETS35BL18GAD TRANSFORMER L1100 G1C100MA0203 INDUCTOR L1200...
  • Page 169 Safety Ref. Part No. Part Name & QTY Remarks Safety Ref. Part No. Part Name & QTY Remarks Description Description R1001 D1BA8870A022 1/16W R2028 D0GB472JA065 4.7K 1/10W R1002 D0GA473JA023 1/16W R2029 D0GB472JA065 4.7K 1/10W R1003 D0GA473JA023 1/16W R2030 D0GA473JA023 1/16W R1004 D0GA472JA023 4.7K...
  • Page 170 Safety Ref. Part No. Part Name & QTY Remarks Safety Ref. Part No. Part Name & QTY Remarks Description Description R5363 D0GBR00JA008 1/10W R5858 ERJ3RBD103V 1/16W R5364 D0GBR00JA008 1/10W R5859 D0GD103JA017 1/8W R5365 D0GB470JA008 1/10W R5861 D0GB104JA008 100K 1/10W R5366 D0GB470JA008 1/10W R5865...
  • Page 171 Safety Ref. Part No. Part Name & QTY Remarks Safety Ref. Part No. Part Name & QTY Remarks Description Description C1011 F1G0J1050007 6.3V C1350 F1G0J1050007 6.3V C1012 F1G1A1040006 0.1uF C1351 F1G1A1040006 0.1uF C1013 F1G0J1050007 6.3V C1352 D0GBR00J0004 1/10W C1014 F1G1A1040006 0.1uF C1353 D0GBR00J0004...
  • Page 172 Safety Ref. Part No. Part Name & QTY Remarks Safety Ref. Part No. Part Name & QTY Remarks Description Description C2216 D0GB561JA065 1/10W C5507 F1K1H105A138 C2217 F1J1A2250007 2.2uF C5508 F1K1H105A138 C2218 F1J1A2250007 2.2uF C5509 F2A1V4710058 470uF C2219 F1H1A225A051 2.2uF C5513 F1H1H104A913 0.1uF C2220...
  • Page 173 19.2.2. Active Subwoofer (SB-HWA770) Safety Ref. Part No. Part Name & QTY Remarks Description VARISTOR Safety Ref. Part No. Part Name & QTY Remarks DZ5701 ERZV10V511CS VARISTOR Description PRINTED CIRCUITS BOARDS SWITCHES PCB1 REP4869AA SW DAMP P.C.B. (RTL) S1000 EVQ21405R SW I/D SET PCB2 REP4869AB...
  • Page 174 Safety Ref. Part No. Part Name & QTY Remarks Safety Ref. Part No. Part Name & QTY Remarks Description Description W1002 D0GBR00JA008 1/10W R5777 D0GBR00J0004 1/10W W1003 D0GBR00JA008 1/10W R5778 D0GBR00J0004 1/10W W1004 D0GDR00JA017 1/8W R5779 D0GBR00J0004 1/10W W1005 D0GDR00JA017 1/8W R5781 D0GB103JA065...
  • Page 175 Safety Ref. Part No. Part Name & QTY Remarks Description C5221 F1H1H102A219 1000pF C5222 F1H1A474A025 0.47uF C5223 F1H1A474A025 0.47uF C5224 F1H1H331A219 330pF C5231 F1H1H102A219 1000pF C5232 F1H1A474A025 0.47uF C5233 F1H1A474A025 0.47uF C5234 F1H1H102A219 1000pF C5240 F2A1J470A050 47uF C5522 F1H1H104A013 0.1uF C5523 F1H1H104A013 0.1uF...

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Su-htb770pcSb-htb570gnSb-htb570egSb-htb770pSb-hwa770pSb-hwa770pc ... Show all