Panasonic TH-43JX800 Technical Manual
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Panasonic TH-43JX800 Technical Manual

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Order No. ITD2106901GE
LCD-202106
Model No.
2021 - LCD TV (Android TV)
Ver. 1.0
c
Panasonic Corporation 2021
Unauthorized copying and distribution is
a violation of law.
1

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  • Page 1 Order No. ITD2106901GE LCD-202106 Model No. 2021 - LCD TV (Android TV) Ver. 1.0 Panasonic Corporation 2021 Unauthorized copying and distribution is a violation of law.

  • Page 2: Revision History

    Revision History Version Issued/Revised Revised content date Ver. 1.0 7th. Jun. 2021 First version...
  • Page 3 INDEX INDEX 1.Lineup and Function Comparison 2.Function 3.Board Layout 4.Signal Flow and Troubleshoot of Picture Problem 5.Start up Operation 6.SOS Protection Circuit and Troubleshoot of Power Problem *Google, Google Play, YouTube, Android TV, Chromecast built-in and other marks are trademarks of Google LLC.
  • Page 4 1. Lineup and Function Comparison...
  • Page 5 Lineup and Comparison of the Functions (Europe) -1 Model Name HX800 - 88#/ JX800 – 83#* (TX- ) HX90# (LCD) (LCD) Android TV my Home Screen Y (5.0) Android home Google Play Store/Movies Screen Saver HLG, HDR10, HLG, HDR10, HDR10+, HDR10+ Adaptive Dolby Vision Dolby Vision...
  • Page 6 Lineup and Comparison of the Functions (Europe) -2 Model Name HX800 - 88#/ JX800 – 83#* (TX- ) HX90# (LCD) (LCD) Android TV Bluetooth Y (in/out) / Y (only out) / Y (Audio Link / Keyboard-Mouse) Headphones / Y / N Y / N switchable to Subwoofer Remote Controller...
  • Page 7 Lineup and Comparison of the Functions (Oceania/Asia/Middle East) -1 Model Name HX700/800* JX700/800* (TH- ) HX750W JX900W (LCD) (LCD) Android TV my Home Screen Y (5.0) Android home Google Play Store/Movies Screen Saver HLG,HDR10, HLG, HDR10, HDR10+, HDR10+ Adaptive(JX800, JX900W) Dolby Vision HDR10+ (JX700)
  • Page 8 Lineup and Comparison of the Functions (Oceania/Asia/Middle East) -2 Model Name HX700/800* JX700/800* (TH- ) HX750W JX900W (LCD) (LCD) Android TV Bluetooth Y (in/out) / Y (only out) / Y (Audio Link / Keyboard-Mouse) Headphones / Y / Y Y / N switchable to Subwoofer Remote Controller IR / Bluetooth(only voice...
  • Page 9 Note (Android TV model) • Firmware update is supported via the internet only. It is unable to update by Web Download (USB memory). Menu - Settings - Device Preference - About - System update • After doing step “power off by remote AC plug off AC plug in”, the screen is black and the Power LED is blinking orange about 30 sec.
  • Page 10 2. Function...

  • Page 11: Home Screen

    Home Screen Access content quickly from the Home screen (“HOME” key) You can get quick access to your favorite content, and easily find what you’re looking for. Settings The Google Assistant Manage apps and TV controls Find content, get answers, and more Favorite apps Quick access to frequently used...
  • Page 12 “my Home Screen” Design App Launcher Although it is an Android TV, it uses the Panasonic original UI. The UI design allows customers to start the app without disturbing the viewing screen. They can choose frequently used apps for easy access.

  • Page 13: Google Play Store

    Applications and Google Account Access Google Play Store Google Play Movies • With over 500,000 TV shows and movies available Choose from thousands of titles, with new releases added through the Google Play Store, you can always find regularly. something to watch •...
  • Page 14 Google Assistant – Discover and Access Content Use your voice to jump to show, control devices. And more – with Google Assistant. Get answer with all your questions Get answer when you have a questions… Just Press the Assistant button on the remote and ask the question. •...
  • Page 15 Google Assistant - Voice Control and Connect with Other Home Devices Your Voice Become Your Controller Change volume, open and closes app and even turn the power off can be done by your voice • Users can: • Change the volume •...

  • Page 16: Chromecast Built-In

    Chromecast built-in Easily cast your favorite movies, music, and more to your TV with Chromecast built-in. With Android TV, Chromecast comes built-in - meaning users can easily extend their music, videos, photos and other content up to the big screen. And best of all, casting works with both Android and iOS* devices.
  • Page 17 Bluetooth Audio Link With Bluetooth Audio Link, you can easily connect your TV to a wireless speaker or headphones to give you more listening choices. < Note > When using the 2.4GHz band on the wireless router, simultaneous use with Bluetooth device may result in connection interruptions.

  • Page 18: Board Layout

    3. Board Layout...
  • Page 19 Board Layout-1 TX- 40/50/58/65JX800-83#* (Android TV) TH- 43/49/55/65JX800*, 900W (Android TV) TH- 40/50/58/65JX700* (Android TV) (No repairable) (No repairable) (No repairable) (No repairable)
  • Page 20 Board Layout -2 TH- 43/49/55/65JX800*, 900W (Android TV) Ex. TH-55JX800* JK8700 A10B Bluetooth ANT Speaker Speaker (T-CON) WiFi Module Board Name Function Board Name Function A-Board Main Board K-Board Remote Receiver, Power LED P-Board Power supply, Backlight Drive GK-Board Power key, Control key...
  • Page 21 Board Layout -3 TX- 40/50/58/65JX800-83#* (Android TV) TH- 40/50/58/65JX700* (Android TV) Ex. TX-40JX800* TH-40JX700* (TOP) (RIGHT side) (LEFT side) WiFi Module Bluetooth ANT Board Function JK8700 A-Board Main Board P-Board Power supply, Backlight Drive IR unit Remote Receiver, (BOTTOM) Power LED <Rear cover>...
  • Page 22 Rear Cover Disassemble / Assemble TX- 40/50/58/65JX800-83#* (Android TV) TH- 40/50/58/65JX700* (Android TV) The K board, GK board and Speakers are fixed to the back cover. (only 65inch model speakers are fixed to the panel.) Be careful about the damage of A board connector and the wires between A board and K,GK, Speaker when opening back cover.
  • Page 23 4. Signal Flow and Troubleshoot of Picture Problem...
  • Page 24 Video/Audio Signal Process Head- phone OPT_out IC3201 HP Driver IC3800 WiFi/ Audio AMP Bluetooth USB1 USB2 to LCD Panel IC8000 Resize Antenna TUNER IP conv. terminal CI-slot (only Europe) HDMI1/2/3 (*) The input terminals are different by the models or countries.
  • Page 25 Troubleshoot for Picture/Sound Problem <TV Self Test> Customers also can check the picture and sound by internal data. If the picture and sound is no problem, the reason of trouble is mostly not a TV. How to display : Menu Device Preferences About TV Self Test...
  • Page 26 Troubleshoot for Picture Problem -1 Android models are different procedure from previous models. <LCD Panel Test Mode> :When abnormal picture is displayed, troubleshoot by the test pattern in LCD module. How to enter : JX700*/800-83#*/900W (Android TV) Press "volume(-)" button of the TV unit, then press “Yellow" button of the remote control 3 times. ( Do not keep pressing the Volume (-) button, just press once.
  • Page 27 Troubleshoot for Picture Problem -2 If the picture is no problem, A board must be defective. If the picture is also abnormal, LCD panel module must be defective. Just in case, confirm the flat cable connection between A board and T-CON board. Abnormal picture, Bar/line/dot, Confirm(Clean) the flat...

  • Page 28: System Information

    System Information Menu -> Settings -> Device Preference -> About -> Service Information Software version(*1) = 3.202 Status1 : A = Power on period(A<=100hrs, B<=200hrs, C>200hrs) 00006 = Power on time (hours, max.65535 in decimal) 0000020 = Display on counter (max. 1048575 in decimal) Status2 : 0 = SOS history (Latest) 0 = SOS history (last time) 0 = SOS history (last but one)

  • Page 29: How To Enter Service Mode

    How to enter Service Mode How to access to each mode. Android models are different procedure from previous models about entering Service Mode. Model Only TX/TC-**GX7##, TH-**GX6## JZ and JX(other than right models) Only JX700/800-83#**, JX900W (series) (2019 model) Same as previous model (Android TV) Mode Service...

  • Page 30: Hotel Mode

    Hotel Mode Press [Volume ( - )] button of the main unit, then press [AV/INPUT] button of the remote control 3 times. (Do not keep pressing the Volume (-) button, just press once. Press each key interval within 1 sec. ) The message “Hotel mode settings in process”...

  • Page 31: Start-Up Operation

    5. Start up Operation...
  • Page 32 Note (Android TV model) TX- 40/50/58/65JX800-83#* (Android TV) TH- 40/50/58/65JX700* (Android TV) TH- 43/49/55/65JX800*, 900W (Android TV) • After doing step “power off by remote AC plug off AC plug in”, the screen is black and the Power LED is blinking orange about 30 sec. The remote control don’t work during this duration.

  • Page 33: Voltage Distribution

    Voltage Distribution 1 (TH- ##JX800*, 900W (Android TV)) TH- ##JX800*, 900W (Android TV) LCD Module LCD Panel 64V(*) 10-13 convert Output T-CON VLED ex.110V(*) board Drive PNL12V 44 - 51 F15V PNL12V 1 - 4 1 - 4 Output 3.3V 1.8V POWER 1.0V...
  • Page 34 Start up Operation 1-1 TH- ##JX800*, 900W (Android TV) LCD Module Transformer Q7805/06 T7301 VLED L7851/ Q7851 10-13 (ex.110V*) ex.64V(*) Power /IC7860 LCD Panel ex.64V(*) Output T7202 (light) (light) (DC/DC) (Back T-CON IC7201 Light) board Drive IC7800 DC/DC PNL12V IC7301 44 - 51 BL_ON 1 - 4...
  • Page 35 Start up Operation 1-2 TH- ##JX800*, 900W (Android TV) < from AC plug in to : P board > ( PFC = OFF Q7805/06 T7301 ( Through ) D7431 D7251 AC100V: 140V ( OFF ) C7433 T7201 C7255 D7102/03 AC240V: 330V) Anode Rectifier 10-13...
  • Page 36 Start up Operation 1-3 TH- ##JX800*, 900W (Android TV) < from AC plug in to : P board > When the TV is plugged in, the rectifier start to produce DC voltage which leads through PFC circuit directly to the power switches Q7351, Q7361. (PFC circuit IC7201 does not operate at this moment.) Besides this DC voltage is provided also for D7104, D7105 which provide start voltage to pin 1 of power supply IC 7301.
  • Page 37 Start up Operation 1-4 TH- ##JX800*, 900W (Android TV) < from : A board > LCD_TV_SUB_ON IC8000 STB5V IC8202 STB1.5V IC7491 STB1.5V A10B Signal SRV-STB5V REMOTE Processing STB3.3V IC5290 STB3.3V 3.3V KEY3 POWER G/R_LED_on Switch (Each models are different pin allocation but operation is same.)
  • Page 38 Start up Operation 1-5 TH- ##JX800*, 900W (Android TV) < from : A board > The STB5V from pin7 of connector P2 is applied to the Power IC(IC8202, 5290) for supplying power to the Main CPU (IC8000) on the A board. The IC8202 converts the STB5V to STB1.5V and IC5290 converts the STB5V to STB3.3V.
  • Page 39 Start up Operation 1-6 TH- ##JX800*, 900W (Android TV) < from : P/LD board > 64V(*) ( PFC = ON T7301 D7251 D7431 AC100V: 380V SRV-VLED Q7805/06 T7201 C7255 C7433 L7851 AC240V: 380V) Anode D7102/03 10-13 Rectifier Q7851 Cathode1 Q7351 Q7251 IC7201 Drive...
  • Page 40 Start up Operation 1-7 TH- ##JX800*, 900W (Android TV) < from : P board > When the power board receives the TV_SUB_ON signal from IC8000 via pin 9 of connector P2, it outputs 2 different voltages: 16V to the A board on pins 1, 2, 3 and 4 of connector P2. 64V(*) to the LED drive part.
  • Page 41 Start up Operation 1-8 TH- ##JX800*, 900W (Android TV) < : A board (SUB voltage) > 10-13 ( TNPH1229** ) VLED (*)110V IC7800 DCDC Drive IC8000 64V(*) SRV-12V/16V Q7805 LCD_TV_SUB_ON IC5290 STB3.3V T7202 64V(*) STB3.3V Output DC/DC IC7201 IC8202 STB1.5V IC7491 STB5V Transformer...
  • Page 42 Start up Operation 1-9 TH- ##JX800*, 900W (Android TV) < : A board (SUB voltage) > The 16V(F16V) from the P board via pin1-4 of connector A02 is applied to the Power ICs (Voltage regulators) on the A board to generate the SUB-Voltages used for signal processing operation.
  • Page 43 Start up Operation 1-10 TH- ##JX800*, 900W (Android TV) < : A board (PNL voltage) > T-CON LCD Module Back Light 10-13 44 - 51 ( TNPH1229** ) IC5260 VLED (*)110V SRV-PNL12V PNL12V IC7800 DCDC Panel_VCC_ON Drive IC8000 64V(*) BL_SOS 12,13,16 12,15,16 PWM1,2...
  • Page 44 Start up Operation 1-11 TH- ##JX800*, 900W (Android TV) < : A board (PNL voltage) > The F16V is also used to generate the PNL-Voltage on A board. IC8000 outputs the Panel VCC On signal. IC5260 starts generating the PNL12V by this signal. The PNL12V is provided to T-con circuit of the LCD Module.
  • Page 45 Start up Operation 1-12 TH- ##JX800*, 900W (Android TV) < : P board ( backlight drive ) > 110V(*) 64V(*) ( PFC = ON T7301 D7251 D7431 AC100V: 380V SRV-VLED Q7805/06 T7201 C7255 C7433 L7851 AC240V: 380V) Anode D7102/03 10-13 Rectifier Q7851 Cathode1...
  • Page 46 Simple Power On Sequence 1 TH- ##JX800*, 900W (Android TV) AC Plug in ( Plug in ) STB5V output STB5V (form P to A) TV_SUB_ON signal Power on SUB_ON (from A to P) 16V / 64V(*) output / PFC circuit start working (Standby) Power on Power On...
  • Page 47 Voltage Distribution 2 (TX- ##JX800-83#*, TH-##JX700* (Android TV)) TX- ##JX800-83#*, TH-##JX700* (Android TV) LCD Module LCD Panel VLED T-CON VLED board PNL12V (No repairable, (No repairable, Board exchange) Board exchange) 44 - 51 PNL12V 1 - 5 Output 3.3V POWER 1.8V Switch STB5V...
  • Page 48 Start up Operation 2-1 TX- ##JX800-83#*, TH-##JX700* (Android TV) LCD Module VLED Power LCD Panel (light) (light) (Back T-CON Light) board Drive PNL12V (No repairable, (No repairable, Board exchange) Board exchange) 44 - 51 BL_ON 1 - 5 Output STB12V POWER_ON Mode Change POWER...
  • Page 49 Start up Operation 2-2 TX- ##JX800-83#*, TH-##JX700* (Android TV) < from : A board > Keypad Power control Power POWER SRV-STB5V Switch IC8000 IC8202 STB1.5V STB12V IC5280 STB1.5V STB5V Signal STB5V REMOTE Processing STB3.3V SRV-12V/16V IC5290 STB3.3V 3.3V (No repairable, (No repairable, (No repairable, (No repairable,...
  • Page 50 Start up Operation 2-3 TX- ##JX800-83#*, TH-##JX700* (Android TV) < from : A board > The 12V from CN2 connector is applied to the Power IC(IC5280) for supplying power to the Main CPU (IC8000) on the A board. The IC5280 converts the 12V to STB5V and IC5290/8202 converts the STB5V to STB3.3V/1.5V.
  • Page 51 Start up Operation 2-4 TX- ##JX800-83#*, TH-##JX700* (Android TV) < from > LCD Module T-CON Back Light 44 - 51 ( TNPH1229** ) Q5200 VLED PNL-12V PNL12V Panel_VCC_ON BL_SOS DCDC 12,16 PWM1,2 IC8000 BL_ON IC5005 IC5006 TV_PS_ON Q5026/5027 Mode Change power control (Standby/Normal) TV_SUB_ON...
  • Page 52 Start up Operation 2-5 TX- ##JX800-83#*, TH-##JX700* (Android TV) < : A board (TV_PS_ON, TC_SUB_ON) > IC8000 outputs the “Power control ” signal. This command separate to TV_PS_ON signal and TV_SUB_ON signal. TV_PS_ON is connect to the power board via pin 13 of connector A02.
  • Page 53 Simple Power On Sequence 2 TX- ##JX800-83#*, TH-##JX700* (Android TV) (*) The DC level is different by the LCD panel. AC Plug in ( Plug in ) STB12V/F12V output STB12V (form P to A) STB5V/3.3V output STB5V/3.3V(in A) 5V/3.3V TV_PS_ON signal TV_SUB_ON signal Power on PS_ON (from A to P)
  • Page 54 6. SOS Protection Circuit and Troubleshoot of Power Problem...

  • Page 55: Led Blinking

    LED Blinking TX- ##JX800-83#*, TH-##JX700* (Android TV) TH- ##JX800*, 900W (Android TV) When an abnormality occurs in the unit, the “SOS Detect” circuit is triggered and the TV shuts down. The power LED on the front panel will flash a pattern indicating the circuit area that has detected an abnormality.
  • Page 56 SOS Detect Circuit and Power Flow 1 TH- ##JX800*, 900W (Android TV) <Protection Circuit> Back Light LCD Module T-CON 10-13 44 - 51 IC5260 VLED (*)110V PNL12V IC7800 IC8000 Panel_VCC_ON DC/DC Drive IC3800 N SOS SOUND_SOS 9 Blink 64V(*) BL_SOS 1 Blink N SOS BL_ON...
  • Page 57 Troubleshooting for LED 1 Time Blinking 1-1 TH- ##JX800*, 900W (Android TV) LED blinks Detail error Board may defect BL_SOS (LED driver) Panel / P If the IC7800 detects (*)VLED : The DC level is different by the LCD panel. 1.abnormal current of backlight LEDs ( = Backlight LED broken or Low(No) VLED voltage ) 2.abnormal DC/DC power supply of IC7800 (does not rise up the VLED voltage ) or the IC7800 does not work (No Vcc or No BL_ON/PWM signal or defect itself),...
  • Page 58 Troubleshooting for LED 1 Time Blinking 1-2 TH- ##JX800*, 900W (Android TV) Connect P3 connector. (Power off) Power on. Disconnect P3 connectors. Check if the voltage Panel Module Short check between each of SRV-VLED(pin10-13 of P3) over100V( Pin1-8 of P3 and GND. before LED 1 blink? One of them shorted...
  • Page 59 SOS Detect Circuit and Power Flow 2 TX- ##JX800-83#*, TH-##JX700* (Android TV) <Protection Circuit> LCD Module T-CON Back Light 44 - 51 ( TNPH1229** ) Q5200 VLED PNL-12V PNL12V Panel_VCC_ON IC8000 IC3800 DCDC 9 Blink SOUND_SOS BL_SOS 1 Blink BL_ON power control IC5005 IC5006...
  • Page 60 Troubleshooting for LED 1 Time Blinking 2-1 TX- ##JX800-83#*, TH-##JX700* (Android TV) LED blinks Detail error Board may defect BL_SOS (LED driver) Panel / P If the IC7800 detects (*)LED+ : The DC level is different by the LCD panel. 1.abnormal current of backlight LEDs ( = Backlight LED broken or Low(No) VLED voltage ) 2.abnormal DC/DC power supply of LED+ (does not rise up the VLED voltage ) or abnormal of the LED Drive IC itself,...
  • Page 61 Troubleshooting for LED 1 Time Blinking 2-2 TX- ##JX800-83#*, TH-##JX700* (Android TV) (Power off) Connect CN3 connector. Disconnect CN3 connectors. Power on. Panel Module Short check between each Check if the voltage over100V( VLED- of CN3 and GND. of VLED+ before LED 1 blink? One of them shorted P board...
  • Page 62 Troubleshooting for LED Blinking ( 7/13 time blink ) TX- ##JX800-83#*, TH-##JX700* (Android TV) TH- ##JX800*, 900W (Android TV) LED blinks Detail error Board may defect No voltage SUB3.3V detected Emergency SOS A ( eMMC / Nand Flash ) 7 blinks is problem about the power line of SUB3.3V. 13 blinks is problem about IC8000 and software issue.
  • Page 63 Troubleshooting for LED Blinking ( 9 time blink ) TX- ##JX800-83#*, TH-##JX700* (Android TV) TH- ##JX800*, 900W (Android TV) LED blinks Detail error Board may defect Audio amplifier: SOUND_SOS A/Speaker Audio amplifier is sourced power F15V from P board. If the amplifier work abnormally (may due to short-circuit or overload), the SOUND_SOS signal will go low level and be detected by IC8000 LED blinks 9 times.
  • Page 64 Troubleshooting for No Picture and No OSD (Power LED is lit = No blinking) TX- ##JX800-83#*, TH-##JX700* (Android TV) TH- ##JX800*, 900W (Android TV) Refer to the block diagram of “SOS Detect Circuit and Power Flow ” page Patterns are displayed Picture Try the...
  • Page 65 Troubleshooting for No Power On (Power LED is off = No blinking) TH- ##JX800*, 900W (Android TV) Picture LED off Check if the output of Check if the output 16V (even if the power LED Replace A board STB5V. (Just AC input) (SRV-16V in A board) indicator setting = On) Disconnect A02 connecter.
  • Page 66 (Reference) A Board Replacement : Data Copy by USB Memory for A Board When replacing A Board, the data in original A Board can be copied to USB Memory and then copy to new A board. *The remote control pairing information is not recovery. It is necessary to pair the remote control after this procedure. <...

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