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Panasonic SA-BTT785GN Service Manual

Blu-ray disc home theater sound system
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SB-HFS4810
Notes: Please refer to the original service manual for:
• Speaker system SB-HFS4810/HC4010, Order No:AD1403015CE
• Speaker system SB-HW6010, Order No:AD1404027CE
• Wireless system SH-FX77, Order No:AD1404031CE
This service information is designed for experienced repair technicians only and is not designed for use by the general
public. It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting
to service a product. Products powered by electricity should be serviced or repaired only by experienced professional
technicians. Any attempt to service or repair the product or products dealt with in this service information by anyone else
could result in serious injury or death.
TM
Blu-ray Disc
Model No.
Remote
SH-FX77
Control
SB-HC4010
SA-BTT785
SB-HW6010
Colour:(K)...........Black Type
WARNING
Home Theater Sound System
SA-BTT785GN
SA-BTT785GS
SC-BTT785GN
SC-BTT785GS
© Panasonic Corporation 2014
Unauthorized copying and distribution is a violation of law.
ORDER
NO.AD1404019CE

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Summary of Contents for Panasonic SA-BTT785GN

  • Page 1 Any attempt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death. © Panasonic Corporation 2014 Unauthorized copying and distribution is a violation of law.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS PAGE 1 Safety Precautions ----------------------------------------------- 3 1.1. General Guidelines ----------------------------------------- 3 1.2. Leakage Current Cold Check ----------------------------- 3 1.3. Leakage Current Hot Check (See Figure 1.) --------- 3 1.4. Protection Circuitry------------------------------------------- 3 2 Warning -------------------------------------------------------------- 4 2.1. Prevention of Electrostatic Discharge (ESD) to Electrostatically Sensitive (ES) Devices ----------- 4 2.2.

  • Page 3: Safety Precautions

    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: Warning

    2 Warning 2.1. Prevention of Electrostatic Discharge (ESD) to Electrostatically Sensitive (ES) Devices Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are IC(integrated circuits)and some field-effect transistors and semiconductor “chip”...

  • Page 5: Caution For Ac Cord

    1. Remove the Fuse Cover with a screwdriver. A replacement fuse cover can be purchased from your local Panasonic Dealer. If the fitted moulded plug is unsuitable for the socket outlet in your home then the fuse should be removed and the plug cut off and disposed of safety.

  • Page 6: Precaution Of Laser Diode

    2.3. Precaution of Laser Diode CAUTION : This product utilizes a laser diode with the unit turned “on”, invisible laser radiation is emitted from the pick-up lens. Wave length:770 to 800 nm (CDs)/645 to 660 nm (DVDs) Maximum output radiation power from pick-up:100 μW/ VDE Laser radiation from the pick-up lens is safety level, but be sure the followings: 1.

  • Page 7: Static Electricity Protection Measures

    2.4. Static Electricity Protection Measures • The laser diode in the traverse unit (optical pick-up) may break down due to potential difference caused by static electricity of clothes or human body. So, be careful of electrostatic breakdown during repair of the traverse unit (optical pick-up). 2.5.

  • Page 8: Service Navigation

    2. When the home screen is display,Select [Setup] → [Settings] → [System] → [System Information] → [Firmware Version Information]. 3. Firmware Version Information screen is displayed. Occasionally, Panasonic may release updated firmware for this unit that may add or improve the way a feature operates. These updates are available free of charge.
  • Page 9 3.2.2.2. Updating firmware using the USB device When using the USB device to update the firmware. (When using CD-R instead of USB device, perform same the procedures) 1.Download the latest firmware file of the unit. The latest firmware required for version-up can be downloaded from “Support Information from NWBG/VDBG PAVC”web- site in “TSN system”.
  • Page 10 5.If the TV show the firmware update is complete ( is displayed at LED display). Remove the USB device (or the CD-R) and press the POWER button to turn the unit off. 6.Turn the unit on and the home screen appears the firmware update is completed.

  • Page 11: Specifications

    plete. Subwoofer [BTT105] Power consumption in Approx. 0.5 W Surround Approx. 46 W standby mode [BTT405] GENERAL Subwoofer Power consumption in Approx. 0.5 W Front Power supply AC 220 V to 240 V, 50 Hz Reference standby mode [BTT405] 4 Specifications e radio tunes to Centre Dimensions (WkHkD)

  • Page 12: Others (Licences)

    Settings menu. Standard and VC-1 Standard (“AVC/VC-1 Video”) and/or (ii) At least three (3) years from delivery of this product, Panasonic will decode AVC/VC-1 Video that was encoded by a consumer give to any third party who contacts us at the contact information...

  • Page 13: Location Of Controls And Components

    Getting started 5 Location of Controls and Components Control reference guide Turn the unit on and off Remote control Select title numbers, etc./Enter numbers Cancel Select Bluetooth /Enable pairing ( ® Select an audio or video source Basic playback control buttons ( Select preset radio stations ( Show the status messages ( Show the Home Screen of the Network...
  • Page 14 Main unit (Front) 5 6 7 Disc tray Stop ( Display Start play ( Unit’s display list ( USB port ( Remote control signal sensor Standby/on switch ( /I) ( Distance: Within approx. 7 m. Press to switch the unit from on to standby Angle: Approx.

  • Page 15: Installation Instructions

    6 Installation Instructions Turn off all equipment before connection and read the appropriate operating instructions. Do not connect the AC power supply cord until all other connections are completed. 6.1. Speaker Connection Connect the speaker cables to the terminals of the same color. SH-FX77 6.2.

  • Page 16: Operating Instruction

    7 Operating Instruction 7.1. Take out the Disc from Drive Unit when the Disc cannot be ejected by the OPEN/CLOSE button 7.1.1. Forcible Disc Eject. 7.1.2. When the Disc Eject can not be done. 1. Turn off the power and pull out AC cord. 2.

  • Page 17: Multiple Pressing Function

    8 Multiple Pressing Function 8 Multiple Pressing Function 8.1. About the Multiple Pressing of the Unit’s Remote Control The remote control which included this unit is possible pressing multiple buttons simultaneously (Multiple Pressing function), 8.1. About the Multiple Pressing of the Unit’s Remote Control andcan operate for the customer’s initial settings and the Service Mode, etc.
  • Page 18 8.2.1. Open Mode (Remote Cont. Buttons: [OK] [Yellow] [Blue]). 8.2.1. Open Mode (Remote Cont. Buttons: [OK] [Yellow] [Blue])
  • Page 19 8.2.2. Privately Mode 1 (Remote Cont. Buttons: [6] [7] [Yellow]). 8.2.2. Privately Mode 1 (Remote Cont. Buttons: [6] [7] [Yellow]) 8.2.2. Privately Mode 1 (Remote Cont. Buttons: [6] [7] [Yellow]) 8.2.3. Privately Mode 2 (Remote Cont. Buttons: [5] [9] [Red]) 8.2.3.

  • Page 20: Service Mode

    9 Service Mode 9.1. About the Service Mode Informations necessary for service can be displayed. 9.1.1. How to enter the Service Mode. 9.1.2. How to exit the Service Mode. Press and hold the [Power] button (remote control or unit). •The Service Mode is terminated and automatically turns the unit off.

  • Page 21: Service Mode List

    9.2. Service Mode List The display of information to each command is as follows. Note: Do not use it excluding the designated command.

  • Page 22: Self-Diagnostics Functions

    9.3. Self-Diagnostics Functions 9.3.1. Self-Diagnostics Functions. Self-Diagnosis Function provides information for errors to service personnel by Self-Diagnosis Display when any error has occurred. U** , H** and F** are stored in memory and held. You can check last error code by transmitting [0] [1] of Remote Control in Service Mode. Automatic Display on FL will be cancelled when the power is turned off or AC input is turned off during self-diagnosis display is...

  • Page 23: Troubleshooting Guide

    10 Troubleshooting Guide 10.1. About Operation of Set The page number in this chapter does not show the page number of this service manual.

  • Page 24: After Servicing

    If your wireless network is encrypted; Firmware updates Enter your encryption key (password). ≥ You can switch between capital and lower case Occasionally, Panasonic may release updated ≥ Refer to the owner’s manuals of the hub or router. 10.2. After Servicing letters by pressing the “Shift”...
  • Page 25 Symptom -1 Symptom -2 Symptom -1 VOLTAGE DATA(measurement value) Disc Tray Can not OPEN or CLOSE No power REF.NO. PIN NO. XP10 2.8V Check AC inlet unit. Exchange the Check the (cutting or damage…etc.) AC inlet unit OPEN/CLOSE SW. Exchange the (Break or click feeling ...etc.) Front P.C.B.
  • Page 26 Symptom -2 Disc Tray Can not OPEN or CLOSE Exchange the Check the AC inlet unt OPEN/CLOSE SW. Exchange the (Break or click feeling ...etc.) Front P.C.B. Exchange the AC cord Check the Front Panel Exchange Front Panel (Broken ...etc.) Exchange the Power supply P.C.B.
  • Page 27 VOLTAGE DATA (measurement value) Symptom -3 Symptom -4 Symptom -3 REF.NO. PIN NO. Remote Control does not work No LED Display/Keys does not work 3.3V 3.3V 1.7V PIO9 Check the battery of PIO11 Exchange the Check the Digital P.C.B. Exchange the the Remote Control battery connector XP9 voltage.*2...
  • Page 28 VOLTAGE DATA (measurement value) Symptom -4 REF.NO. PIN NO. Remote Control does not work 3.3V 3.3V 1.7V PIO9 PIO11 Check the battery of Exchange the the Remote Control PIO13 battery 3.3V 3.3V Check the Digital P.C.B. Exchange the 3.3V connector XP9 voltage.*2 Digital P.C.B.
  • Page 29 Symptom -5 Symptom -6 No Picture No Sound Check the Input Source Check the Input Source Choose Correct Source Choose Correct Source Check the Connection Check the Connection reconnect correctly reconnect correctly Check the Speaker Box Exchange the Speaker Box Check the Setup Setup Deepclolor and of HOME menu...
  • Page 30 Symptom -7 Symptom -8 NFC Error Bluetooth Error Reset Bluetooth Reset Bluetooth Setup Correct Setup Correct Check the NFC P.C.B Check the NFC P.C.B from Setup Menu from Setup Menu Exchange the Exchange the Front PCB Connetor *4 Front PCB Connetor *4 NFC P.C.B.
  • Page 31 Symptom -9 Can not play disc Change to other Change to other discs and try discs and try Disc error Disc error playback again playback again Check the the Exchange the Mechanism unit Mechanism unit Exchange the Digital P.C.B. Symptom -10 Fan does not work Set the VOL to 100 Set the VOL to 100...

  • Page 32: Wiring Connection And Voltage Data

    11 Wiring Connection and Voltage Data PVDD(34V) ARC IN OPTICAL IN HDMI OUT PVDD(34V) PVDD(34V) Source Switch1 Power Stage Power Stage +12V Crystal 74LVC1G3157 TAS5352 TAS5352 +12V PCON Audio Processor TAS5538DGG USB_VCCF TPIC_COMMON USBP1 TPIC_U USBM1 MPEG DECODER TPIC_V MT8561 TPIC_W MOTOR DRIVER...
  • Page 33 VOLTAGE DATA (measurement value) PIN NO. VALUE PIN NO. VALUE PIN NO. VALUE (See Fig. 2) 3.4V 3.4V 1.7V XP10 11.9V 11.9V 3.4V 34.0V 3.4V PIN NO. VALUE 34.0V 5.3V 34.0V 3.5V 3.3V PIN NO. VALUE 3.4V (See Fig. 1) 5.1V 3.4V 3.4V...

  • Page 34: Disassembly And Assembly Instructions

    12 Disassembly and Assembly Instructions 12.1. Disassembly Flow Chart The following chart is the procedure of disassembling the casing and inside parts for internal inspection when carrying out the servicing. To assemble the unit, reverse the steps shown in the chart below. 1.

  • Page 35: Disassembly Procedure

    12.3. Disassembly Procedure 12.3.2.2. Front Panel Unit 12.3. Disassembly Procedure 12.3.2.2. Front Panel Unit 12.3. Disassembly Procedure 1. Detach the lead wires fixed at hooking part of the Body 12.3.2.2. Front Panel Unit 12.3.1. Top Panel Chassis. 1. Detach the lead wires fixed at hooking part of the Body 1.
  • Page 36 12.3.4. Body Chassis 4. Pull out the NFC P.C.B. Unit. 12.3.4. Body Chassis 4. Pull out the NFC P.C.B. Unit.. 1. Detach the lead wires fixed at hooking part of the Body 1.Detach the lead wires fixed at hooking part of the Body Chassis.
  • Page 37 12.3.6. Wireless Module P.C.B Unit/Fan 12.3.7. Digital P.C.B.Unit Caution: Motor Unit If the Digital P.C.B. Unit and/or Mechanism Unit is 1. Remove 1 Screw (A) and disconnect FFC cabel to remove exchanged,the drive adjustment is required because Wireless Module P.C.B.. of the adjustment data is stored in Digital P.C.B.Unit.
  • Page 38 12.3.8. Mechanism Unit 12.3.9. AC Inlet Unit 1.Cut the cable tie. Caution: 2.Detach the lead wires fixed at hooking part. 3.Remove the Ferrite Core from the cable. If the Digital P.C.B. Unit and/or Mechanism Unit is exchanged,the drive adjustment is required because 4.Press tab (A) on the AC cord connector simultaneously in the direction of arrows to pull the AC cord out from the of the adjustment data is stored in Digital P.C.B.Unit.

  • Page 39: Measurements And Adjustments

    Measurements and Adjustments 13.1. When Replacing the Mechanism Unit and/or Digital P.C.B. Unit When replacing the mechanism unit, Digital P.C.B. Unit or both, the drive adjustment is required. The adjustment is performs reading QR coded adjustment value by web camera and writing the value to Digital P.C.B. Unit. There are 2 method for adjustment value writing: (1) Using PC: "Using PC Method"...
  • Page 40 13.1.2. Using PC method 4. Click file name (Rpower_2.9.71(KEM480)_for Pana) and Execute Adjustment Software (FERpower.exe) on PC. 1. Set the serial card (RFKZ0139) switch to “OFF” position, then connect to PC’s serial port. 5. Set ComPort matching to the available PC Port No.. 2.
  • Page 41 8. Click “QR Reader” button. 10. Turn on the Main Unit. 11. Select QR code and copy by using “CTRL” + “C” and then paste to “Bar Code” field by using “CTRL” + “V”. Then click “Write (F2)” button. 9. Read QR code on the Mechanism Unit bottom side. 12.
  • Page 42 13.1.3. Using Remote control Method 13. NG example (NG is lit red) • ComPort setting is wrong. • Perform the Step 6 to Step 10 of “13.1.2. Using PC Method” (ComPort No. selection is wrong and/or Baud Rate to read QR code of Mechanism Unit. Or read QR code using selection is wrong.) smartphone’s QR code reader.
  • Page 43 5. Press cursor key to select “Enter 1D barcode by remotecon...”, then press “OK” key. 6. “Input 1D barcode data” screen is displayed. Pressing cursor key to select character, then pressing “OK” key to decide and enter selected character. If entering 64 character of barcode finished, press “RETURN”...

  • Page 44: When Replacing The Front P.c.b.unit And/Or Nfc P.c.b. Unit

    13.2. When replacing the Front P.C.B. Unit and/or NFC P.C.B. Unit When replacing the Front P.C.B. Unit, NFC P.C.B. Unit or both, the MAC address of bluetooth module on Front P.C.B. Unit 13.2. When Replacing the Front P.C.B. Unit and/or NFC P.C.B. Unit registration to NFC tag on NFC P.C.B.
  • Page 45 4. Tap the “TCL BT TAG writer V1.4.apk” your Android device 6. When the installation is finished,below icon will appear on has received. the Android device. 4. Tap APK file of NFC tag writing software which received 6. Open the [Settings] screen of Android device again, th to install.
  • Page 46 (This operation required only once after the “TCL BT TAG 2. Confirm the Module type in the label on the Bluetooth can delete it and input “Panasonic BTT”. (Once you do it enter it to the second half of [MAC ADDRESS] field.

  • Page 47: Caution For Replacing Parts

    13.3. Caution for Replacing Parts 13.3.1. Standard Inspect Specifications after Repairs After repairing Digital P.C.B. Unit and Mechanism Unit, it is recommended to perform the following inspection to ensure normaloperation of main unit. Procedures Item to Check Turn on the power, and confirm items pointed out. Items pointed out should reappear.

  • Page 48: Exploded View And Replacement Parts List

    14 Exploded View and Replacement Parts List 14.1. Replacement Parts List Notes: *Important safety notice: Components identified by mark have special characteristics important for safety. When replacing any of components, be sure to use only manufacture’s specified parts shown in the parts list. *Parts marked with [PJM] in the remarks column are supplied by PAVCJM,others are supplied by PHK.

  • Page 49: Casing Parts & Mechanism Section

    14.2. Casing Parts & Mechanism Section...

  • Page 50: Packing & Accessories Section

    14.3. Packing & Accessories Section ACCESSORIES BAG OI BOOK QSG OI PREPARATIOPN VER.) SA-BTT785 SB-HW6010 FM INDOOR ANTENNA BATTERIES (NOT SUPPLIED) A6 SPEAKER STICKERS SB-HC4010 SH-FX77 A4 AC CORD (FOR GS ONLY) A4 AC CORD (FOR GS ONLY) A4 AC CORD (FOR GN ONLY) Speaker Connection SB-HFS4810...

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