Panasonic SA-BTT785GN, Service Manual

Page 1: ... 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 WARNING Panasonic Corporation 2014 Unauthorized copying and distribution is a violation of law SB HC4010 SA BTT785 Remote Control SB HW6010 Notes Ple...

Page 2: ... when the Disc cannot be ejected by the OPEN CLOSE button 16 8 Multiple Pressing Function 17 8 1 About the Multiple Pressing of the Unit sRemote Control 17 8 2 How to enter the Special Modes using theMultiple Pressing Function of the Unit sRemote Control 17 9 Service Mode 20 9 1 About the Service Mode 20 9 2 Service Mode List 21 9 3 Self Diagnostics Functions 22 10 Troubleshooting Guide 23 10 1 Ab...

Page 3: ...echassis the reading should be between 1 MΩ and 5 2 MΩ When the exposed metal does not have a return path to the chas sis the reading must be infinity 1 3 Leakage Current Hot Check See Figure 1 1 Plug the AC cord directly into the AC outlet Do not use an isolation transformer for this check 2 Connect a 1 5 kΩ 10 W resistor in parallel with a 0 15 μF capacitor between each exposed metallic part on ...

Page 4: ...plying power to the unit under test 2 After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent electrostatic charge buildup or exposure of the assembly 3 Use only a grounded tip soldering iron to solder or unsolder ES devices 4 Use only an antistatic solder removal device Some solder removal devices not classified as...

Page 5: ...ain or moisture CAUTION To reduce the risk of fire or shock hazard and annoying interference use the recommended accessories only FOR YOUR SAFETY DO NOT REMOVE THE OUTER COVER To prevent electric shock do not remove the cover No user serviceable parts inside Refer servicing to qualified service personnel 2 2 2 Caution for AC Mains Lead For your safety please read the following text carefully This ...

Page 6: ...t 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 Do not disassemble the optical pick up unit since radiation from exposed laser diode is dangerous 2 Do no...

Page 7: ...ity of the working environment Repair in the working environment that is grounded 2 5 1 Work table grounding Put a conductive material sheet or steel sheet on the area where the traverse unit optical pick up is placed and ground the sheet 2 5 2 Human body grounding Use the anti static wrist strap to discharge the static electricity from your body 2 5 3 When exchanging the Drive Before remove the E...

Page 8: ...ng message is displayed DO NOT DISCONNECT the unit from the AC power or perform any operation while the update is in process After the firmware is installed FIn will be displayed on the unit s display Unit will restart and the following screen will be displayed Firmware Update Current Version X XX New Version X XX Do you want to start firmware update For the update information please visit the fol...

Page 9: ...e to root diretory of the USB device If using CD R instead of USB device burn the file to a blank CD R by a writing software 3 Update the unit 1 Tunr the unit power on 2 After the home screen is displayed and appears at LED display of the front panel insert the USB device stored downloaded latest firmware file to the front USB port of the unit LED display change to or insert the CD R into the unit...

Page 10: ...he 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 9 ...

Page 11: ...C to 40 o C Operating humidity range 35 to 80 RH no condensation LASER Specification Class 1 LASER Product Wave length 790nm CDs 658nm DVDs 405nm BDs Laser power No hazardous radiation is emitted with the safety protection RMS TTL POWER OUTPUT 1000W 1 k Hz 30 total harmonic distortion FRONT 167W per ch 4 Ω CENTRE 167W 4 Ω 55 Hz 30 total harmonic distortion SUBWOOFER 167W 4 Ω Audio Input AUX x 1 Di...

Page 12: ... 0 and or LGPL V2 1 The software categorized as 3 5 are distributed in the hope that it will be useful but WITHOUT ANY WARRANTY without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE Please refer to the detailed terms and conditions thereof shown in the Settings menu At least three 3 years from delivery of this product Panasonic will give to any third party who co...

Page 13: ...display press SLEEP several times to select the time in minutes p Timer selection is up to 120 minutes p Select OFF on the unit s display to disable the function p To confirm the remaining time Press the button again 15 TV operation buttons TV Turn the TV on and off AV INPUT Switch the input select K L VOL Adjust the volume 16 Adjust the volume of the main unit 17 Change audio 17 18 Mute the sound...

Page 14: ...a small amount of power 10 NFC touch area 20 1 AC IN terminal 2 Speaker terminals 3 Cooling fan 4 AUX terminal 5 LAN port 12 6 HDMI AV OUT ARC terminal 7 DIGITAL AUDIO IN terminal 8 FM radio antenna terminal Main unit Front 4 2 3 1 5 6 7 8 9 10 Main unit Rear 1 2 3 4 8 5 6 7 e g BTT785 BTT785 Wireless system 1 Wireless link indicator Green lights Wireless link is activated brinks slow Searching mo...

Page 15: ... 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 6 2 Connection to a TV 6 3 FM Antenna Connection SH FX77 ...

Page 16: ...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 Put the unit upside down so that bottom can be seen 3 Insert the paper clip into the slot and slide the gear in the direction of the arrow to eject the tray slightly 4 Pull the unit upward and pull out the tray Tray ...

Page 17: ...each of the following special modes After entering each mode and then go to the menu you want to run 16 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 and can operate for the customer s initial settings and the Service Mode etc The M...

Page 18: ...18 8 2 1 Open Mode Remote Cont Buttons OK Yellow Blue 17 8 2 1 Open Mode Remote Cont Buttons OK Yellow Blue ...

Page 19: ...3 Privately Mode 2 Remote Cont Buttons 5 9 Red 18 8 2 2 Privately Mode 1 Remote Cont Buttons 6 7 Yellow 8 2 3 Privately Mode 2 Remote Cont Buttons 5 9 Red 18 8 2 2 Privately Mode 1 Remote Cont Buttons 6 7 Yellow 8 2 3 Privately Mode 2 Remote Cont Buttons 5 9 Red ...

Page 20: ... 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: ...21 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: ...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 ON ...

Page 23: ...23 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: ...y To show the firmware version on this unit 32 Firmware Version Information Downloading will require several minutes It may take longer or may not work properly depending on the connection environment If you do not want to check for the latest firmware version set Automatic Update Check to Off 32 l Symbols Encryption Key Password Shift Delete Finish Alphanumeric Other Characters OK RETURN PVGT ECU...

Page 25: ...y P C B Exchange the AC cord Exchange the Power supply P C B Disc Tray Can not OPEN or CLOSE Check the OPEN CLOSE SW Break or click feeling etc OK Check the Digital P C B Exchange the Front P C B NG NG OK NG OK NG Check the Front Panel Broken etc OK Exchange the Check AC inlet unit cutting or damage etc OK NG Exchange the AC inlet unit Exchange Front Panel NG Check the Digital P C B connector volt...

Page 26: ...Front P C B NG NG NG NG Check the Front Panel Broken etc OK Exchange the NG Exchange the AC inlet unt Exchange Front Panel NG Exchange the Power supply P C B Exchange the Digital P C B NG Check the Digital P C B connector XP4 voltage 3 Exchange the Mechanism unit OK NG NG Exchange the Digital P C B Exchange the FFC NG 3 3 CHECK POINT LOCATION REF NO PIN NO XP4 3 1 5 2V 2 3 4V 3 GND 4 3 2V VOLTAGE ...

Page 27: ...eck the Digital P C B connector XP9 voltage 2 NG Exchange the Digital P C B OK Exchange the Check the battery of the Remote Control Exchange the Front P C B 2 VOLTAGE DATA measurement value CHECK POINT LOCATION REF NO PIN NO XP9 1 3 3V 2 3 3V 3 1 7V 4 PIO9 5 PIO11 6 PIO13 7 GND 8 3 3V 9 GND 10 3 3V 11 0V 12 0V 13 3 3V 14 3 3V 15 3 3V 16 3 3V 17 3 3V 18 11 9V 19 GND 20 BT_L 21 GND 22 BT_R 23 GND 24...

Page 28: ...al P C B OK Exchange the Check the battery of the Remote Control Exchange the Front P C B 2 CHECK POINT LOCATION REF NO PIN NO XP9 1 3 3V 2 3 3V 3 1 7V 4 PIO9 5 PIO11 6 PIO13 7 GND 8 3 3V 9 GND 10 3 3V 11 0V 12 0V 13 3 3V 14 3 3V 15 3 3V 16 3 3V 17 3 3V 18 11 9V 19 GND 20 BT_L 21 GND 22 BT_R 23 GND 24 NFC_FD VOLTAGE DATA measurement value 24 2 ...

Page 29: ... OK Check the Setup of HOME menu NG Setup Deepclolor and Progressive off c Check the Connection NG reconnect correctly OK OK NG Exchange the Speaker Box Check the Speaker Box NG Progressive off c OK Check the HDMI Cable NG Exchange the HDMI Cable OK NG Exchange the fan OK Check the Fan Operation OK Exchange theDigital P C B OK Exchange the Digital P C B Exchange theDigital P C B c ...

Page 30: ...Check the NFC P C B Front PCB Connetor 4 Voltage waveform d Exchange the NFC P C B NG OK NG Exchange the FFC NG Exchange the FFC Check the FFC Check the FFC OK Exchange the FFC OK Check the Front P C B NG Exchange the Front P C B OK Check the Front P C B NG Exchange the Front P C B OK Exchange the Digital P C B Check the FFC OK Exchange the Digital P C B Exchange the Digital P C B 4 FFC CHECK POIN...

Page 31: ... OK NG Exchange the Mechanism unit Change to other discs and try playback again OK Exchange the Digital P C B Symptom 10 Fan does not work Set the VOL to 100 Fan is OK Set the VOL to 100 NG OK Fan is OK Check the voltage of XP29 1 11V OK Exchange the fan Check the voltage of XP29 1 11V OK NG Exchange the fan Exchange the Digital P C B ...

Page 32: ...0A DDR3 1GbX1 2GbX1 Audio Processor TAS5538DGG POWER SUPPLY P C B Crystal 12M Crystal 27M XP11 XP5 XP10 XP6 XS1 LED DRIVER LED Display CON504 9 1 4 1 1 4 1 12 1 12 1 4 1 1 LAN KEY 6 1 5 4 BT_3V3 GND 3 3V_STBY_MCU V_CLK V_DATA V_STB IR_IN POWER TPIC_LOAD PLAY PAUSE TPIC_LOAD OPEN CLOSE MGND 12V_D TPIC_TRAYIN GND BT_L GND BT_R GND NFC_FD FAN_VCC FLASH 2Gb ADC CE C MCU STM08S005C6 TUNER FM AUX Source...

Page 33: ... 4 See Fig 1 5 PIN NO VALUE 1 5 1V 2 0V 3 0V 4 GND 6 PIN NO VALUE 1 3 4V 2 3 4V 3 1 7V 4 5 6 7 GND 8 3 4V 9 GND 10 3 4V 11 0V 12 0V 13 3 3V 14 3 4V 15 3 4V 16 3 4V 17 3 4V 18 11 9V 19 GND 20 21 GND 22 23 GND 24 7 PIN NO VALUE 1 See Fig 3 2 GND 24 XP5 XP4 XP3 XP10 3 PIN NO VALUE 1 11 0V 2 GND XP29 XP6 XP9 12 1 8 PIN NO VALUE 1 5 1V 2 5 1V 3 4 5 6 7 8 9 10 11 12 GND 13 14 15 16 17 18 19 20 21 22 23 ...

Page 34: ...g out the servicing To assemble the unit reverse the steps shown in the chart below Digital P C B Power Supply P C B Mechanism Unit Front P C B NFC P C B 1 Top Panel 1 Top Panel 2 Front Panel Unit 6 Wireless Module P C B Fan Motor Unit 9 AC Inlet Unit Fan Motor Unit 8 Mechanism Unit 3 Front P C B Unit NFC P C B 5 Power Supply P C B 4 Body Chassis 5 Power Supply P C B 7 Digital P C B Unit Wireless ...

Page 35: ... paper clips etc into the hole on the bottom of the main unit and slide the lever in the direction of 1 to eject the disc tray slightly 2 Unlock 2 tabs turn Pull the Tray Ornament in direction of 2 12 3 2 2 Front Panel Unit 1 Detach the lead wires fixed at hooking part of the Body Chassis 2 Remove the connector A and flex A 3 Unlock 5 tabs A E turn Pull with the Front Panel Unit in the direction o...

Page 36: ...the Power Supply P C B Unit 4 Pull out the NFC P C B Unit 37 4 Pull out the NFC P C B Unit 12 3 4 Body Chassis 1 Detach the lead wires fixed at hooking part of the Body Chassis 2 Remove the 3 screws A and remove the Body Chassis 12 3 5 Power Supply P C B Unit 1 Remove the connector A and B 2 Remove the 2 screws A then remove the Power Supply P C B Unit Screw A Screw A Body Chassis Connector A Conn...

Page 37: ...y in the direction of arrows 2 to pull the Wireless Module P C B Bracket out from the Back Panel 3 Remove 2 Screws B and disconnect connector A 4 Then remove the Fan Motor Unit in directon of 1 Screw B Fan Motor Unit Wireless Module P C B Bracket 2 12 3 8 Mechanism Unit 12 3 9 1 Cut th 2 Detac 3 Remo 4 Unloc FFC B Screw A FFC Wireless Module P C B Tab A Connector A Screw B Screw A Caution If the D...

Page 38: ...t Unit Tab A 39 12 3 8 Mechanism Unit 1 Remove the 2 screws A then remove the Mechanism Unit When assembling first set the Mechanism unit to tabs A then tighten the 2 screws A 12 3 9 AC Inlet Unit 1 Cut the cable tie 2 Detach the lead wires fixed at hooking part 3 Remove the Ferrite Core from the cable 4 Unlock the 2 tabs A and remove the AC Inlet Unit Cable tie Hooking part Caution If the Digital...

Page 39: ...ware for Web camera and the software for the code writing to Digital P C B Note The adjustment software can be downloaded from Support Information from NWBG VDBG AVC web site in TSN system together with instructions of Adjustment Software including preparations and connections etc No Part No Uses Pcs Compatibility 1 RFKZ0139 Serial Card PC Main Unit for using PC method 1 Same as previous model 2 R...

Page 40: ...Connect the serial card to 4 pin serial port connector on the Digital P C B Unit via 6p 4p conversion cable RFKZ0602 4 Click file name Rpower_2 9 71 KEM480 _for Pana and Execute Adjustment Software FERpower exe on PC 5 Set ComPort matching to the available PC Port No 6 Execute QR Reader software 7 After staring up select ALL from the pull down menu ...

Page 41: ...ism Unit bottom side 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 12 Check PASS is lit green then it s OK PASS is displayed about 1 second Don t miss PASS display ...

Page 42: ... adjustment is completed 13 1 3 Using Remote control Method Perform the Step 6 to Step 10 of 13 1 2 Using PC Method to read QR code of Mechanism Unit Or read QR code using smartphone s QR code reader 1 Connect the Main Unit to TV then turn the Main Unit on 2 After start up make the Main Unit go to the Setting UI using Remote Control 3 Press 5 1 7 7 OK key of Remote Control the FA mode screen is di...

Page 43: ...ey to decide and enter selected character If entering 64 character of barcode finished press RETURN key to finish key in then press OK key to save inputs To Cancel Adjustment Return to Settings Screen Press STOP key 7 When the drive adjustment is completed Pass is displayed Press STOP key twice the screen is return to Settings screen If the drive adjustment is failed Fail is displayed ...

Page 44: ...mpatible Android device 1 Android 4 1 or higher 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 registration to NFC tag on NFC P C B Unit Perform the following procedures to register In this manual the screenshots are using of Android 4 4 2 The display may vary dependin...

Page 45: ...Tap APK file of NFC tag writing software which received to install 5 Tap Install then tap Done 6 Open the Settings screen of Android device again th tap Security to open the Security screen 7 Tap the of Unknown sources to clear the checkm TCL BT TAG writer V1 4 apk 4 Tap APK file of NFC tag writing software which received to install 5 Tap Install then tap Done 6 Open the Settings screen of Android...

Page 46: ...t of 40 ef 4c in MAC ADDRESS column the 6 digits numbers are printed on the label which pasted on the Bluetooth module of Front P C B and the will appear automatically when you input DEVICE NAME will appear automatically but you also can delete it and input Panasonic BTT Once you do it after Tag writer software has been installed the default device name always displayed as Panasonic BTT 5 Tap Writ...

Page 47: ...ersion Then version up is not necessary 4 Transfer 9 9 in the service mode setting and initialize the service settings return various settings and error information to their default values The laser time is not included in this initialization Make sure that CLR appears on the LED display After checking it turn the power off 5 After replacing the Mechanism Unit transfer 9 5 in the service mode sett...

Page 48: ... RUBBER LEG 1 26 RKA0327 K RUBBER LEG 1 101 RHD30210 BLACK SCREW 1 102 RHD30210 BLACK SCREW 1 103 RHD30210 BLACK SCREW 1 104 RHD30210 BLACK SCREW 1 105 RHD30210 BLACK SCREW 1 106 RHD30210 BLACK SCREW 1 121 RHD30211 SILVER SCREW A 1 141 RHD26077 SILVER SCREW B 1 142 RHD26077 SILVER SCREW B 1 143 RHD26077 SILVER SCREW B 1 144 RHD26077 SILVER SCREW B 1 145 RHD26077 SILVER SCREW B 1 Safety Ref No Part...

Page 49: ...s Mechanism Section 1 8 2 3 5 6 7 9 12 13 14 15 16 17 18 20 21 22 101 141 143 142 144 145 162 181 193 191 188 194 23 24 26 25 b c c b a a 11 195 186 187 190 189 102 103 104 105 106 192 121 182 161 183 184 185 d d 10 4 19 ...

Page 50: ...IOPN VER FM INDOOR ANTENNA BATTERIES NOT SUPPLIED ACCESSORIES BAG A6 SPEAKER STICKERS Speaker Connection Cables A4 AC CORD A4 AC CORD A4 AC CORD FOR GS ONLY FOR GN ONLY FOR GS ONLY A7 HDMI CABLE A1 P2 P3 SA BTT785 SB HFS4810 SB HFS4810 SB HW6010 SB HC4010 P1 P4 SH FX77 ...