TCL RT41VS-EU, Service Manual

Page 1: ...Alignment Procedure 4 Block diagram 5 Scheme Diagram Troubleshooting This m anual i s t he l atest at t he t ime of pr inting and doe s not include the modification which may be made after the printi...

Page 2: ...ectric shock to the person The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance servicing instructions in the liter...

Page 3: ...impact of any kind Be particularly careful not to damage the picture tube surface 9 Unplug this television set from the wall outlet before cleaning Do not use liquid cleaners or aerosol cleaners Use...

Page 4: ...ng conductors location of antenna discharge unit connection to grounding electrode and requirements for the grounding electrode 15 2 Note to CATV system installer Only for the television set with CATV...

Page 5: ...durein youroperatinginstructions do not attempt any further adjustment Unplug the set and call your dealer or service technician 22 Whenever the television set is damaged or fails or a distinct change...

Page 6: ...ent Specification for RT2841 Series v0 01 docx Page 1 of 27 TCL World Wide R D FPD CENTER Test Alignment Specification TAS for RT2841 Series Version 0 01 PREPARED BY DATE 2018 05 15 CHECKED BY DATE AP...

Page 7: ...mation contained in this document is proprietary to TCL SZ FPD lab and shall not be disclosed by the recipient to third persons without the written permission of the team leader or GM of R D Revision...

Page 8: ...576i p 720p up to 2160p compliant v2 0 with HDCP2 2 2R 2xHDMI2 0a 4K 60Hz YUV4 2 0 2S 2xHDMI2 0a 4K 60Hz YUV4 4 4 1S MHL 1S ARC VGA VGA DVI audio CMP YPbPr can support from 480i up to 1080p audio SCA...

Page 9: ...A IC Details Position IC Details Position Market RT41KT AP Main SW EMMC 8GB 16GB BIN image UF02 8GB V8 RT41KT01 LF1V001 HDMI SWITCH EDID BIN image HDMI EDID and HDCP Embedded in main chip Include in m...

Page 10: ...serious issue or mistake can destroy the board For example the output of DC DC and LDO should not be shorted to ground Supply a suited voltage and power on then check the voltage according to the rel...

Page 11: ...uitable UART device or an IR emitter device correctly facing up TV see below section 2 0 Product Assembly how to activate Factory key The UART parser engine is enabled by sending following command 0xE...

Page 12: ...LNB frequency band change by 22KHz Tone Compliant DVB S S2 source from generator or dish antenna with switch 2D Movie 720x576 1 Frequency Range 950MHz 2150MHz 2 Symbol Rate Range DVB S 1 30MHz for QPS...

Page 13: ...s been extended to support all 3D capable timings All HDMI structures have their own BIN profile which are part of main SW and uploaded at power on into soc chipset For EDID check it s needed to check...

Page 14: ...suitable factory workstation LAN system Then during production lot it s necessary to send write all those codes to each TV DID codes can only be set using UART commands described above on enclosed SI...

Page 15: ...V Power on TV by AC at the same time press power on key which on the boardfor 10s until the TCL logo show Factory Hotkey will be ON automatic If Factory hotkey is enabled just press RCU Return key to...

Page 16: ...in mode it s just required to press Menu button from local keyboard Other faster methods via UART IR commands are available on enclosed SIACP requirements rev v8 31 2 3 White Balance Automatic Gamma c...

Page 17: ...ystems You need adjust 4 3 gamma for different samples based on the color coordinates and target gamma offered by PQ engineer So each sample can get almost the same effect as PQ golden sample The 4 3...

Page 18: ...all inputs According to company uniform LED color temperature standard of panel The measured and adjustable parameters should be mainly x y coordinates The White Balance alignment and Automatic Gamma...

Page 19: ...and press RCU OK key to process 4 BIN images can created overwritten or read on USB stick pen drive depending on chosen template like following database applications database db These files need to b...

Page 20: ...ntal Control function is locked use default 1234 password or 0423 super password to clean up existing ones if forgotten END Appendix How to upgrade main SW using tool Upgrade RT2841 main SW by using R...

Page 21: ...en click ok 4 Configure Burn parameters and select bootcode load path as shown below 5 Click the Start button to enter the boot state and the state will change to the connect state as shown below 6 Th...

Page 22: ...key for 10s TV will update SW automatically When reflashing is successful TV should restart automatically about 4min Note If upgrade was performed a Welcome Setup menu should be displayed otherwise n...

Page 23: ...ing USB Enable Factory Key Create the folder named WIDEVINEKEY change the Widevine key to WIDEVINE_xxx bin xxx is the number put Widevine key into the folder Plus the USB into the TV Go to Main menu S...

Page 24: ...ting the LAN port on your TV to an IP Sharer which is connected to an external modem Use Cat5 cable for the connection 3 Depending on how your network is configured you may be able to plug your TV to...

Page 25: ...ess MAC address etc Appendix How to upgrade Flash SW using Network not support now Appendix Factory Menu Description 1 Factory Hotkey submenu Item Sub item Value Note Hotkey OFF ON Enable Hotkey flag...

Page 26: ...ne All Clone USB TO TV ALL Channel list EEPROM Users Settings Enable factory Hotkey Press OK to copy USB template content to TV depending on Cloning mode All Clone TV TO USB ALL Channel list EEPROM Us...

Page 27: ...DeviceID Not used MAC MAC Address SN SN Register Code Register Code HuanID Not used ClientType Client Type ReadEeprom To USB Not used WatchDog OFF ON Enable Watch Dog by pressing key ON Open Watch Dog...

Page 28: ...nu OFF ON Enable Hotel Menu by pressing key ON Enable Hotel Menu OFF Unable Hotel Menu 14 Suspend To Ram OFF ON Enable STR by pressing key ON Open STR OFF Close STR Note Factory Hotkey submenu must be...

Page 29: ...ast 0 100 Adjust Contrast by pressing key Backlight 0 100 Adjust Backlight by pressing key 3 SSC Spre ad Spectrum clocking Adjust Not used 4 DBC Dyna mic Backlight Control DBC_Mode 0 2 Switch nature l...

Page 30: ...100 Adjust max sound volbypressing key AUTO SET OFF ON Enable AUTO SET by pressing key ON Enable set PIC MODE SOUND MODE etc OFF Unable set PIC MODE SOUND MODE etc PIC MODE Standard Vivid Mild Studio...

Page 31: ...KEY LOCK by pressing key ON Enablelocal keyboard OFF Unablelocal keyboard TV to USB Press key to copy data from TV to USB USB to TV Press key to copy data from USB to TV Reset ALL submenu Item Sub ite...

Page 32: ...Test and Alignment Specification for RT2841 Series v0 01 docx Page 27 of 27...

Page 33: ...11 Oct 18 Page 8 nRT41 Chassis Block Diagram...

Page 34: ...11 Oct 18 Page 9 nPower supply Block Diagram...

Page 35: ...11 Oct 18 Page 10 nRT41 Power supply Block Diagram...

Page 36: ...14001 PIRB14002 CORB140 PIRB14101 PIRB14102 CORB141 PIRB14201 PIRB14202 CORB142 PIRB14401 PIRB14402 CORB144 PIRB14801 PIRB14802 CORB148 PIRB15001 PIRB15002 CORB150 PIRB15101 PIRB15102 CORB151 PIRB1520...

Page 37: ...PICD1401 PICD1402 COCD14 PICD1501 PICD1502 COCD15 PICD1601 PICD1602 COCD16 PICD1701 PICD1702 COCD17 PICD1801 PICD1802 COCD18 PICD1901 PICD1902 COCD19 PICD2201 PICD2202 COCD22 PICD2301 PICD2302 COCD23...

Page 38: ...L102 COL1 PIL201 PIL202 COL2 PIR101 PIR102 COR1 PIR701 PIR702 COR7 PIR801 PIR802 COR8 PIR1201 PIR1202 COR12 PIR1301 PIR1302 COR13 PIR1401 PIR1402 COR14 PIR1501 PIR1502 COR15 PIR3201 PIR3202 COR32 PIR3...

Page 39: ...PIC4101 PIC4102 COC41 PIC4801 PIC4802 COC48 PIC4901 PIC4902COC49 PIC5001 PIC5002COC50 PIC5101 PIC5102COC51 PIC5201 PIC5202 COC52 PIC5301 PIC5302COC53 PIC5401 PIC5402COC54 PIC5501 PIC5502COC55 PIC5601...

Page 40: ...C38 PIC3901 PIC3902 COC39 PIC4001 PIC4002 COC40 PIC4701 PIC4702 COC47 PIC6401 PIC6402 COC64 PIC6501 PIC6502 COC65 PIC6601 PIC6602 COC66 PIC6701 PIC6702 COC67 PIR601 PIR602 COR6 PIR1101 PIR1102 COR11 P...

Page 41: ...PICNF1022 PICNF1023 PICNF1024 PICNF1025 PICNF1026 PICNF1027 PICNF1028 PICNF1029 PICNF1030 PICNF1031 PICNF1032 COCNF1 PICNF201 PICNF202 PICNF203 PICNF204 PICNF205 PICNF206 PICNF207 PICNF208 PICNF209 P...

Page 42: ...PICE602 COCE6 PICE701 PICE702 COCE7 PICE801 PICE802 COCE8 PICE901 PICE902 COCE9 PICF501 PICF502 COCF5 PICH201 PICH202 COCH2 PICH601 PICH602 COCH6 PICH701 PICH702 COCH7 PICH901 PICH902 COCH9 PICH1101 P...

Page 43: ...OCS34 PICS3701 PICS3702 COCS37 PICS3801 PICS3802 COCS38 PICS3901 PICS3902 COCS39 PICS4001 PICS4002 COCS40 PICS4201 PICS4202 COCS42 PICS4301 PICS4302 COCS43 PICS4601 PICS4602 COCS46 PICS4801 PICS4802 C...

Page 44: ...OCA6 PICA701 PICA702 COCA7 PICA801 PICA802 COCA8 PICA901 PICA902 COCA9 PICA1001 PICA1002 COCA10 PICA1101 PICA1102 COCA11 PICA1201 PICA1202 COCA12 PICA1301 PICA1302 COCA13 PICA1401 PICA1402 COCA14 PICA...

Page 45: ...CN11036 PICN11037 PICN11038 PICN11039 PICN11040 PICN11041 PICN11042 PICN11043 PICN11044 PICN11045 PICN11046 PICN11047 PICN11048 PICN11049 PICN11050 PICN11051 PICN11052 PICN11053 PICN11054 PICN11055 PI...

Page 46: ...11 Oct 18 Page 23 nTrouble Shooting...

Page 47: ...nTrouble Shooting 11 Oct 18 Page 24...

Page 48: ...nTrouble Shooting 11 Oct 18 Page 25...

Page 49: ...11 Oct 18 Page 11 nKey Test Point Main Power Supply 12V 12V Test point...

Page 50: ...11 Oct 18 Page 12 DC to DC nKey Test Point LDD1 3V3_STB UDD1 12V to 3V3_STB UDE1 3V3_STB to 1V0_STB LDE1 1V0_STB 12V...

Page 51: ...11 Oct 18 Page 13 nKey Test Point LDC1 1V5_DDR UDC1 3V3_STB to 1V5_DDR 3V3_STB STR Enable...

Page 52: ...11 Oct 18 Page 14 LDB1 CORE 1V0 nKey Test Point 12V UDDB 12V TO 1V0...

Page 53: ...11 Oct 18 Page 15 LDA1 5V nKey Test Point UDA1 12V TO 5V...

Page 54: ...two different LNB voltage output 13 5V min13 3V max14 2V For vertical polarization V 18 5V min17 7V max19 2V For horizontal polarization H DS33 Lightning protection diode for LNB VCC US2 12V to 13 5V...

Page 55: ...ct 18 Page 17 LDO 19 nKey Test Point UD18 1V8 Reference voltage GND Input voltage 3V3_NORMAL U202 ouput 1V8 Reference voltage GND Input voltage 5V UT2 ouput TUNER_VCC 3V3 UT33 TUNER VCC 3V3 5V 3V3_nor...

Page 56: ...11 Oct 18 Page 18 POWER SWITCH nKey Test Point Q200 S 3V3_STB Q200 D 3V3_NORMAL Q200 G POWER_ON 3V3_NORMAL SWITCH...

Page 57: ...11 Oct 18 Page 19 nKey Test Point PANEL_VCC 12V Q900 PANEL_VCC...

Page 58: ...11 Oct 18 Page 20 Main Chip 1 SOC Config 2 24MHz CRYSTAL nKey Test Point Test Point...

Page 59: ...11 Oct 18 Page 21 nKey Voltage Key Voltage for RTD2841 TCL New Standard RTD2841 POWER 0V Test Point...