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TCL 43A8000/3RT285 Service Manual

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Summary of Contents for TCL 43A8000/3RT285

  • Page 1 43A8000 \3RT2851 6FKHPH 'LDJUDP 7URXEOHVKRRWLQJ ([SORGH GUDZLQJ...
  • Page 2 SCHNEIDER ELECTRONICS GMBH-GERMANY 1. CAUTION CA UTION: Use of controls, adjustments or procedures other than those specified herein may result in hazardous radiation exposure. CA UT ION : T O RE DUCE TH E RIS K OF CA U T ION ELECTR ICA L SHOCK, DO NOT RE MOVE COVER (OR BACK).
  • Page 3 SCHNEIDER ELECTRONICS GMBH-GERMANY IMPORTANT SAFETY INSTRUCTIONS CAUTION: Read all of these instructions. Sa ve these instructions for later use . Follo w all W arnings and Instructions marked on the audio equipment. 1. Read Instructions-All the safety and operating instructionsshouldbe read before the productis operated. 2.
  • Page 4 SCHNEIDER ELECTRONICS GMBH-GERMANY PROTECTION AND LOCATION OF YOUR SET Do not use this television set near water ... for example, near a bathtub, washbowl, kitchen sink, or laundry tub, in a wet basement, or near a swimming pool, etc. Never expose the set to rain or water. If the set has been exposed to rain or water, unplug the set from the wall outlet and refer servicing to qualified service personnel.
  • Page 5 SCHNEIDER ELECTRONICS GMBH-GERMANY OPERATION OF YOUR SET 18. This television set should be operated only from the type of power source indicated on the marking label.If you are not sure of the type of power supply at your home, consult your television dealer or local power company. For television sets designed to operate from battery power, refer to the operating instructions.
  • Page 6 6s Sound Preset Sports/Standard/Cinema/Music/News Dynamic Contrast Yes（Inteligent EQ） Equalizer Overscan Audio Delay Hotel Mode Yes,follow TCL SCBC "YF-2a053.00--酒店模式设计规范Dolby MS12 config D Sleep timer PVR&Time Shift Yes, according ODF on or off this function DiSEqC DiSEqC1.1 Unicable Connectivity & Terminals Preinstalled Channel &Satellits List...
  • Page 7 Pre-Installed Application List Essential Accessories（Default） Netflix Global VODs Operation Manual English(Default) YouTube Global VODs RC580 (with 2 batteries) Remote Control and batteries amazon prime video Global VODs RC860 (with 2 batteries) Google assistant Yes, use RC860 Remote control Integrated Packaging Base Stand Google Play Store Pre-install...

  • Page 8: Factory Menu

    RT2851 Factory Menu Spec 1. Factory Menu 0)Factory Hotkey:Factory Mode Switch 1)Warm Up:TV Aging Mode Switch 2)White Balance:White Balance Parameter setting 3)ADC Adjust:ADC Adjust is deprecated 4)Shop: TV Initilization，and All Parameter to be default. Designed for Shipment. 5)Nvm Reset:TV Initlization for Factory 6)Power On Mode: On/Standby/Lastboot status.

  • Page 9: Preset Channel

    3. Preset Channel We can choose different Factory Area and preset the channel. 4. Other Options 1)TestPattern:Test and Judge the screen 2)Uart Enable:Open the serial print information for designer only 3)Watch Dog:Watch dog switch 4)APK Status:is deprecated 5)ADB Status: ADB debugging switch for designer only 6)Browser Status: is deprecated 7)Hotel menu:Hotel Mode switch...

  • Page 10: Service Menu

    5. USB Update 1) Main Update:Upgrade the main program 2) MAC Update:Upgrade MAC 3) DeviceID Update:Upgrade Device ID 4) HDCPKey Update:Upgrade HDCP 5) WideVine Key Update:Upgrade WideVine key 6. Service Menu 1)Show some system parameters, no adjustable items 2)Project ID:We can choose the project ID,Press OK to reboot TV,The ID will be valid.
  • Page 11 7. Param Setting PQ Adjustment Page 0) Mutecolor:No Signal background color 1) Picture Curve: Adjust Picture mode parameter curve. 2) Picture Setting:Select picture mode which is same 3) SSC Adjust:SSC Miu/SSC LVDS 4) PEQ:AQ setting 5) OverScan:Overscan Setting 6) ECO: Energy efficiency setting 7) Volume:show current volume 8.
  • Page 12 9. SSC Adjust this page can adjust SSC 10. PEQ...
  • Page 13 11. OverScan Adjust this page can adjust overscan 12. ECO Energy efficiency setting...

  • Page 14: Hotel Menu

    13. Hotel Menu Design for hotel function. 1) Channel Lock:User cannot search channel 2) Max Vol:MAX Volume 3) Auto Settings: Recovery state switch 4) PIC Mode:default Picture mode 5) SOU Mode:default Sound mode 6) Power Vol:default volume 7) Power Source:defalt source 8) Power Channel:defalt channel 9) Key Lock:User can not use keypad...
  • Page 15 USB Upgrade 1. Rename the upgrade file V8-T841T01-LF1V021.img into install.img 2. Put bin file to the root of the Udisk, and plug in TV set through USB. 3. AC disconnect. 4. AC connect and long press ok button on panel, wait 10’’ and you see upgrade process is shown on the screen MENU Upgrade 1.
  • Page 16 USB key Update 1. put the Key file as below to the USB root directory, and connect to TV, it will update the TV Key. 2. After update the keys, it will display “OK” on screen 3. Done.
  • Page 17 1500mA 12V/15V ST_5V ST_D5V ST_D5V 5V_STB ST_A3V3 ST_A3V3 ST_A3V3 ST_A3V3 12V/15V 12VA ST_D5V 0.1uF/1uf/25v 0.1uF/1uf/25v U402 U402 ETA1467 ETA1467 4.7uH/3A 4.7uH/3A LW23 BEAD LW23 BEAD U403 U403 ETA1467 ETA1467 CW114 CW114 4.7uH/3A 4.7uH/3A RW33 RW33 R107 R107 220K 220K C237 C237 C257 NC/10P C257 NC/10P...
  • Page 18 DRAM Controller U7-1 U7-1 +1.5V_DDR +1.5V_DDR DDR_1V5 ZQ_1 240R/1% 240R/1% ZQ_2 240R/1% 240R/1% DDR_1V5 DDR_VREF DDR_1V5 Vref ZQ_1 ZQ_3 240R/1% 240R/1% DDR_1V5 ZQ_2 DDR_1V5 ZQ_3 240R/1% 240R/1% DDR_1V5 DDR_1V5 ZQ_4 DDR_1V5 ZQ_4 DDR_1V5_A DGND near SOC side +1.5V_DDR FOr ESD DDR Size Option RTD2851 RTD2851...
  • Page 19 SCPU_1V0 Close to SoC Core_1V0 Close to SoC U7-2 U7-2 CW51 CW51 CW50 CW50 CW52 CW52 CW59 CW59 CW27 CW27 CW62 CW62 CW63 CW63 CO1V0 CPU1V0 0.47uF 0.47uF 0.47uF 0.47uF 0.47uF 0.47uF NC/10uF NC/10uF NC/100nF NC/100nF 10uF 10uF 10uF 10uF CO1V0 CPU1V0 CW55...
  • Page 20 U7-3 U7-3 AV1_IN_L 15 AI1L AV1_IN_R 15 AI1R AI2L AI2R AI3L AI3R Audio Audio VSYNC HSYNC AIOL AUDIO_OUT_L 13,15 VIN_0P AIOR AUDIO_OUT_R 13,15 VIN_1P VIN_2P VIN_BN HP_OUT_L HP_OUT_L HPOL HP_OUT_R HP_OUT_R HPOR Close to SoC SPDIF_OUT SPDIF_OUT 8,21 SPDIF_OUT/GPIO107 PB0+ CW96 CW96 NC/47nF...
  • Page 21 U7-4 U7-4 XOUT XTAL\HC49\27.000MHz XTAL\HC49\27.000MHz TUN_IF+ TUN_IF+ TUN_IF- USB0_D- TUN_IF- HSDM0 ATV_IF_AGC USB0_D+ HSDP0 IFAGC/GPIO106 ATV_IF_AGC USB Front End USB Front End USB1_D- HSDM1 IN_1 USB1_D+ IN_1 HSDP1 IN_1 IP_1 30pF 30pF 30pF 30pF IP_1 IP_1 QN_2 USB2_D- QN_2 HSDM2 QN_2 QP_2 USB2_D+...
  • Page 22 U7-5 U7-5 HDMI_ARC ARC/ST_GPIO22 HDMI_ARC HDMI_CEC HDMI_CEC 18,19,20 P0_BN HDMI0_RX0- 18 AA14 P0_BP HDMI0_RX0+ 18 P0_CKN HDMI0_RXC- HDMI0_DETECT H0_5VDET/ST_GPIO18 P0_CKP HDMI0_RXC+ 18 HDMI1_DETECT H1_5VDET/ST_GPIO14 P0_GN HDMI0_RX1- 18 AA15 HDMI2_DETECT H2_5VDET/ST_GPIO11 P0_GP HDMI0_RX1+ 18 P0_RN HDMI0_RX2- 18 AA16 P0_RP HDMI0_RX2+ 18 HDMI0_HPD H0_HPD/ST_GPIO19 HDMI0_SDA...
  • Page 23 U7-6 U7-6 Power On Latch LD1_HSYNC/GPIO100 ST_A3V3 PC_CD# PC_CD0_N/GPIO27 LD2_VSYNC/GPIO101 PC_CE1# PC_CE0_0_N/GPIO38 LD3_CS/GPIO102 PC_OE# PC_OE_N/GPIO39 LD4_SCK/GPIO103 POL_EN_N PC_IORD# PC_IORD_N/GPIO40 LD5_SDO/GPIO104 WOL_PWR_EN 4.7K 4.7K 0 : Enable (Default) PC_IOWR# PC_IOWR_N/GPIO41 LD6_SDI/GPIO105 1 : Disable PC_RST PC_RST/GPIO56 PC_WE# PC_WE_N/GPIO46 PC_WAIT# PC_WAIT_N/GPIO57 PC_IRQ# PC_IREQ_N_5V/GPIO48 30,33 PC_ADDR0...
  • Page 24 UART0_RX UART0_RX 10,14 12V/15V UART0_TX UART0_TX 10,14 R700 R700 R700 R701 120K 120K POWER INPUT R702 DGND DGND 120K R701 R701 D700 D700 C708 C708 ZN-SOD323 ZN-SOD323 330P 330P 3V3_STB 200K R703 R703 POWER_DET U7-7 U7-7 RESET# R702 R702 IR_IN IR_IN 32 IRRX/ST_GPIO03 KEY_IN...
  • Page 25 U7-8 U7-8 100nF 100nF P2_TXAN P2_TXAN 11 PIF_TX0N/GPIO_123 PIF_TX14N/GPI_23 100nF 100nF P2_TXAP P2_TXAP 11 PIF_TX0P/GPIO_122 PIF_TX14P/GPI_22 100nF 100nF P2_TXBN P2_TXBN 11 PIF_TX1N/GPIO_121 PIF_TX15N/GPI_21 100nF 100nF P2_TXBP P2_TXBP 11 PIF_TX1P/GPIO_120 PIF_TX15P/GPI_20 P2_TXCN P2_TXCN 12 PIF_TX2N/GPIO_119 PIF_TX16N/GPI_19 P2_TXCP P2_TXCP 12 PIF_TX2P/GPIO_118 PIF_TX16P/GPI_18 P2_TXDN P2_TXDN 12 PIF_TX3N/GPIO_117...
  • Page 26 U7-9 U7-9 DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND...
  • Page 27 THGBMAG7A2JBAIR_NC THGBMAG7A2JBAIR_NC NC_1 NC_2 eMMC NC_3 NC_4 NC_5 NC_6 公板装8G NC_7 NC_8 RFU/NC_16 NC_9 RFU/NC_15 NC_10 RFU/NC_14 NC_11 RFU/NC_13 NC_12 RFU/NC_12 UF02-B THGBMAG7A2JBAIR UF02-B THGBMAG7A2JBAIR NC_13 RFU/NC_11 EMMC_DS EMMC_DS NC_14 RFU/NC_10 EMMC_CLK EMMC_CLK VSS_4 NC_15 RFU/NC_9 EMMC_CMD EMMC_CMD NC_16 RFU/NC_8 VSS_3 EMMC_RSTN EMMC_RSTN...
  • Page 28 P/N swap for layout Vby1 PANEL_VCC C114 C114 D3V3 DGND 10uF/16V 10uF/16V DGND Default:MAP3 DGND VIN1 RJ31 RJ31 RJ30 RJ30 VIN2 NC/4.7K NC/4.7K NC/4.7K NC/4.7K VIN3 VIN4 NC/0R NC/0R PANEL_VCC VIN5 MODE0 DGND VIN6 MODE1 VIN7 C113 C113 VIN8 I2C_WP TCON5 RJ32 RJ32...
  • Page 29 AV IN YUV IN Coaxial /NC GND_S GND_S P405 P405 GND_AV1 GND_AV1 AUR1 AUR1 PBJ_IN Y_IN SPDIF SPDIF PR_IN P406 P406 close to SOC C401 C401 R400 R400 SPDIF NC_STEREO_3.5mm NC_STEREO_3.5mm SPDIF_OUT AV1_R_IN AV1_CVBS_IN PBJ_IN PB_IN P400 P400 AV1_L_IN D400 D400 NC/10nF NC/10nF...
  • Page 30 HP_GND HP_GND HP_DET HP_DET HP_AV_R HP_AV_R 22UF 22UF CW92 CW92 HP_GND/AV_CVBS_OUT HP_R AUDIO_OUT_R LX-PJ-005_STEREO_3.5mm LX-PJ-005_STEREO_3.5mm R430 NC/10K R430 NC/10K 22UF C407 22UF C407 R411 R411 P404 P404 R414 R414 HP_OUT_R HP_OUT_R HP_GND/AV_CVBS_OUT R409 27K R409 27K HP_R/AV_R_OUT HP_DET/AV_GND R428 0R R428 0R R408 1K R408 1K...
  • Page 31 HDMI2 100R 100R R504 R504 HDMI_CEC Mark on board HDMI1 Connector HDMI1 Connector HDMI Connector HDMI Connector HDMI0 H0_HPD H2_HPD Hot Plug Detect Hot Plug Detect H0_5V H2_5V GND_1 +5V Power GND_1 +5V Power DDC/CEC Ground DDC/CEC Ground GND_2 C500 C500 GND_2 H0_SDA...
  • Page 32 PCMCIA Mark on board PC CARD PCM_VCC TPI_DATA3 9,24 TPI_DATA3 TPI_DATA4 TPO : From Scalar (From demod for Europe) R909 R909 9,24 TPI_DATA4 PCM_VCC TPI_DATA5 TPI : To Scalar R901 R901 PC_CE2# R910 R910 9,24 TPI_DATA5 TPI_DATA6 PC : To Scalar P900 P900 9,24...
  • Page 33 TP21 TP21 +48V CON4_2.0MM CON4_2.0MM SB5200 DP801 SB5200 DP801 FB803 FB803 LH901 LH901 70uH 70uH OVP_1 LED+ L7.5/12.8 L7.5/12.8 DP802 DP802 L5RH3.5x6x0.8 L5RH3.5x6x0.8 RP802 RP802 NC/SS315 NC/SS315 EC801 EC801 EC802 EC802 RP801 RP801 1206R 1206R 1206R 1206R CP801 CP801 TP22 TP22 RP812 RP812...
  • Page 34 P403 P403 NET-TX+ H/B16101S H/B16101S NET-TX- C413 C413 NET_TX1+ R420 R420 NC/10pF NC/10pF NET-RX+ NET_TX1+ NET-TXC NET_TX1- R421 R421 NET_TX1- NET-RX- R424 R424 R426 R426 NET-RXC 0514 0514 Lin4 RJ45x1 RJ45x1 Lin3 Lin2 Lin1 R425 R425 C414 C414 NET_RX1+ R422 R422 NC/10pF NC/10pF...
  • Page 35 C15A 33nF C15A 33nF L101A L101A OUT_A 22uH 22uH C34A C34A R12A R12A C09A 47nF C09A 47nF AMP_VCC C28A C28A 10NF 10NF 470R 470R C10A 4.7nF C10A 4.7nF 100NF 100NF AGND1 R16A R16A R17A R17A R13A R13A 470R 470R C11A 47nF C11A 47nF C32A C32A...
  • Page 36 From Main Chip KEYPAD_1 KEYPAD_1 3V3_STB IR IR 3V3_STB ST_A3V3 3V3_IR 3V3_IR R1005 R1005 CON5P-2.0 CON5P-2.0 L1000 L1000 220R 220R R1006 470R R1006 470R IR_IN IR_IN R1007 1K R1007 1K LED_IN LED_IN R1008 R1008 LED_BLN LED_BLN C1000 C1000 C1001 C1001 C1002 C1002 NC/470R...
  • Page 37 TUNER SI2151 For DVB-T TUNER_VCC TUNER_VCC 用Si2151模组tuner，CT90,CT91 change:100nF TO R_0Ω CT20 CT20 CT17 CT17 (IEC头长度14.5) 1200PF 1200PF 1200PF 1200PF ST43W2-2A-E ST43W2-2A-E CT13 CT13 CT14 CT14 CTT7 CTT7 1200PF 1200PF 0.1NF 0.1NF 1200PF 1200PF IF_AGC TUNER_VCC TUN_SDA CT19 CT19 270nH 270nH Single ended:75ohm TUN_SCL 1200PF...
  • Page 38 12V/15V 12VA TP19 TP19 RP919 RP919 1206R 1206R LF01 PAD102 PAD102 LF03 DP902 DP902 BL RL257 BL RL257 RP920 RP920 AC/AC AC/AC CP911 CP911 1206R 1206R TP15 TP15 CP919 CP919 102/2KV 102/2KV RP926 RP926 DP911 DP911 RP905 RP905 RP906 RP906 1206R 1206R NC/12V防雷管...

  • Page 39: Trouble Shooting Diagram

    Trouble shooting diagram Terms: 9IR: Infrared Receiver 9RC: Remote Control 9IR logic: IR blink with RC action 9LVDS: Low Voltage Differential Signal, output from processor and input for panel 9O/C: Open Cell, panel with source board 9BL: Back Light, light source for panel module 9LB: LED (Light Emitting Diode) Bar, light source for BL module 9VBL: Voltage for Back Light (before Boost) 9VLED: Voltage for LED (after Boost)
  • Page 40 1.No power No power LED, RC or Key can not turn on TV. Power LED no light/no change.
  • Page 41 2.No Display / Black Panel Back light is OK, sound is OK, but no picture.
  • Page 42 3.No back light Power LED logic OK, sound OK, but no picture(Different from No Display).
  • Page 43 4.No sound One or all signal source without sound.
  • Page 44 5.Signal source no function One or several source no function.
  • Page 45 6.Abnormal Display OSD NG or picture NG.
  • Page 46 7.No tuning channels DTV or ATV no Channels...
  • Page 47 8.P mode on and burning mode Picture Factory mode on(flash words) changing Burning P mode on mode Press Return Press Menu/ Input/ key on remote Source switch on TV control key pad Appear factory menu on screen Quit burning mode Follow the alignment Most of the time, main process to enter the...