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TCL RT2841 Series, Руководство по обслуживанию

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TCL

   

SERVICE MANUAL 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

RT41KS-EU

   

 
 

1.

 

Caution

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2.

 

3.   

Alignment Procedure

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4

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Block diagram

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5

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Scheme Diagram

  

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Troubleshooting

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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 printing, by 
the constant improvement of product 

Содержание RT2841 Series

Страница 1: ...3 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 printing by the constant improvement of product ...

Страница 2: ...lectric 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 literature accompanying the appliance CAUTION Use of controls adjustments or procedures other than those specified herein may result in hazardous radiation exposure CA U T ION RISK RISK OF ELECTRI ELECTRI...

Страница 3: ...o 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 a damp cloth for cleaning 10 1 Do not place this television set on an unstable cart stand or table The television set may fall causing serious injury to a child or an adult and serious damage to the ...

Страница 4: ...ing 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 reception This reminder is provided to call the CATV system attention to Article 820 40 of the NEC that provides guidelines for proper grounding and in particular specifies that the cable ground sha...

Страница 5: ...edurein 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 in performance indicates a need for service unplug the set and have it checked by a professional service technician 23 It is normal for some TV sets to make occasional snapping or popping sounds par...

Страница 6: ... 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 李建伟 邹灵敏 DATE 2018 05 15 CHECKED BY DATE APPROVED BY DATE ...

Страница 7: ...rmation 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 History Version Issue Date Description of changes V0 01 2018 05 15 This is the initial version ...

Страница 8: ...p 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 SCART1 CVBS RGB audio AV OUT SCART2 CVBS YC audio N A Side AV or Back AV CVBS audio Share with CMP Side AV OUT or Back AV out CVBS audio N A USB thumb drive 1 USB2 0 Picture Video Audio Playback Mouse K...

Страница 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 main SW MEMC software BIN image N A Manufacturing Connectors Pin out ISP UART P15 Pin1 NC Pin2 RXD Pin3 TXD Pin4 GND USB to UART Bridge Adapter FT2232D chipset series To communicate with TV product fo...

Страница 10: ...erious 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 relevant block diagram circuit diagram and voltage specification For example check SoC voltage AVDD3V3 DVDD3V3 VCCK_1V0 AVDD1V0_STB 095VM 3V3SB etc DDR voltage DDRV_1V5 1V5M audio amplifier voltage 24V AMP...

Страница 11: ...suitable 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 0xE2 from host to TV within following presets 115200 8 n 1 Once initialized PS caption is toggle displayed on bottom left screen S like Serial To communicate with TV depending on SIACP revision layout i...

Страница 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 QPSK DVB S2 1 45MHz for QPSK 1 30MHz for 8PSK 3 LNB Voltage Range Vertical 12 85V 14 2V Horizontal 17 6V 19 5V 4 22KHz Tone Range Frequency 20 5KHz 23 5KHz Amplitude 400mV 900mV Current 400mA SPDIF Audi...

Страница 13: ...as 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 whether the correct EDID is downloaded by checking corresponding EDID NVM Checksum or read them out to check bit by bit if it is in line with the released EDID bin file 1 8 HDCP Test For HDCP compli...

Страница 14: ...a 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 SIACP requirements rev v8 31 Writing Device ID command 0xB2 Data length 32 Data type ASCII see below command example from above DID code AA 25 B242 45 34 46 32 35 35 42 42 44 31 30 36 42 43 38 46 38 30...

Страница 15: ...TV 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 pop up again the Factory menu The status of Factory hotkey can be changed in Factory menu Factory hotkey Press RCU OK key to enter the submenu Press RCU Menu key to go back to the root menu Press RCU...

Страница 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 correction For the white balance automatic gamma correction we only need do one of them based on the value of Align_mode in PDM system or the method gave by AOE or R D The detail instruction of Align_...

Страница 17: ...systems 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 gamma include 4 gamma based on 4 different color temperature cool normal warm1 warm2 and 3 gamma related to SDR to HDR cool normal warm For the automatic gamma correction we can do as below but pleas...

Страница 18: ...r 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 correction should be performed using a well calibrated and contact less analyzer ex Minolta CA210 or CA310 The analyzer may not touch the screen surface and measurement must be performed in a dark e...

Страница 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 be used strictly with MT58SoC platform as depending on SW structure Other faster access methods via UART IR command share available on enclosed SIACP requirements rev v8 31 Note This function is only u...

Страница 20: ...ental 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 RTK tool Download boot bin dvrboot rescue exe bin bin main software Update img from the software route Connect UART interface to suitable manufacturing TV input connector upgrade boot bin first to bla...

Страница 21: ...hen 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 Then power on the TV After the connection is successful the TV enters the upgrade state and waits for the upgrade to complete After the upgrade is complete the following figure shows the bootcode succe...

Страница 22: ...n 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 new SW version should be displayed into relevant Factory mode caption info or on bottom of Factory menu If the P mode is reflashing after upgrade and can not be closed go to Factory menu and select Si...

Страница 23: ...sing 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 Service menu USB Update Widevine Key Upgrade click the right button If the toast show Widevine Update OK it means burn the key success After burning the Widevine key will movie to the folder WIDEVINEK...

Страница 24: ...cting 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 your LAN by connecting the LAN port on your TV directly to a network wall outlet using a Cat5 cable Note that the wall outlet is attached to a modem or router elsewhere in your house 4 Select Menu Ne...

Страница 25: ...ress 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 by pressing key to have possibility to access Factory menu with RETURN key default is disabled Note Sita P mode submenu change to ON and reboot TV for the first time to enable the Factory Hotkey subm...

Страница 26: ...one 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 Users Settings Press OK to copy TV template context to USB depending on Cloning mode 7 Preset Factory Channel submenu Item Sub item Value Note Preset Factory Channel Factory Area HZ PL Choose the facto...

Страница 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 OFF Close Watch Dog ADB OFF ON Enable ADB by pressing key ON Open ADB OFF Close ADB Service menu submenu Item Sub item Value Note 0 Project SN Project SN 1 EPolisy Number EPolisy Number 2 Hardwarel ...

Страница 28: ...enu 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 ON for item 8 item 10 and item 14 Param setting submenu Item Sub item Value Note 0 Sound Setting Sound mode Music Movies News Standar d User Switch sound mode by pressing key Balance 0 100 Adjust so...

Страница 29: ...rast 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 light mode by pressing key APL1 0 255 Adjust value ofAPL1by pressing key APL1_BL 0 255 Adjust value of APL1_BLby pressing key APL2 0 255 Adjust value of APL2by pressing key BP 0 255 Adjust value of BP...

Страница 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 User Dynamic Stadium Digital cinema Switch preset picture mode bypressing key Option menu depend on model ini with opposite Project ID Format in model ini Factory PictureModePreset STANDARD VIVID MIL...

Страница 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 item Value Note Reset ALL Press to Reset all factory data Note Bofore do this operation the Factory Hotkey submenu must be ON Appendix How to do initial setup of white balance Firstly you need to enable...

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

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

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

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

Страница 36: ...IRB14202 CORB142 PIRB14301 PIRB14302 CORB143 PIRB14401 PIRB14402 CORB144 PIRB14601 PIRB14602 CORB146PIRB14701 PIRB14702 CORB147 PIRB14801 PIRB14802 CORB148 PIRB15001 PIRB15002 CORB150 PIRB15301 PIRB15302 CORB153 PIRB15401 PIRB15402 CORB154 PIRB15601 PIRB15602 CORB156 PIRB15701 PIRB15702 CORB157 PIRB16501 PIRB16502 CORB165 PIRB16601 PIRB16602 CORB166 PIRB16701 PIRB16702 CORB167 PIRB16801 PIRB16802 ...

Страница 37: ...CD11 PICD1201 PICD1202 COCD12 PICD1301 PICD1302 COCD13 PICD1401 PICD1402 COCD14 PICD1501 PICD1502 COCD15 PICD1601 PICD1602 COCD16 PICD1701 PICD1702 COCD17 PICD1801 PICD1802 COCD18 PICD1901 PICD1902 COCD19 PICD2301 PICD2302 COCD23 PICD2401 PICD2402 COCD24 PICD2501 PICD2502 COCD25 PICD2601 PICD2602 COCD26 PICD2701 PICD2702 COCD27 PICD2801 PICD2802 COCD28 PICD2901 PICD2902 COCD29 PICD3401 PICD3402 CO...

Страница 38: ...10K COD1 PIL101 PIL102 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 PIR3301 PIR3302 COR33 PIRF201 PIRF202 CORF2 PIRK601 PIRK602 CORK6 PIU10AA4 PIU10AA5 PIU10AA6 PIU10AA7 PIU10AA8 PIU10AA9 PIU10AA10 PIU10AA11 PIU10AA12 PIU10AA22 PIU10AA23 PIU10AA24 PIU10A...

Страница 39: ...PIC4102 COC41 PIC4801 PIC4802 COC48 PIC4901 PIC4902COC49 PIC5001 PIC5002COC50 PIC5101 PIC5102COC51 PIC5201 PIC5202COC52 PIC5301 PIC5302 COC53 PIC5401 PIC5402COC54 PIC5501 PIC5502COC55 PIC5601 PIC5602 COC56 PIC5701 PIC5702 COC57 PIC5801 PIC5802COC58 PIC5901 PIC5902COC59 PIC6201 PIC6202COC62 PIC6301 PIC6302 COC63 PIL301 PIL302 COL3 PIL401 PIL402 COL4 PIL501 PIL502 COL5 PIL701 PIL702 COL7 PIL801 PIL8...

Страница 40: ...802 COC38 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 PIR2101 PIR2102 COR21 PIR2201 PIR2202 COR22 PIR2301 PIR2302 COR23 PIR2701 PIR2702 COR27 PIR2801 PIR2802 COR28 PIR2901 PIR2902 COR29 PIR3101 PIR3102 COR31 PIR4301 PIR4302 COR43 PIR4401 PIR4402 COR...

Страница 41: ... PICN1021 PICN1022 PICN1023 PICN1024 PICN1025 PICN1026 PICN1027 PICN1028 PICN1029 PICN1030 PICN1031 PICN1032 PICN1033 PICN1034 PICN1035 PICN1036 PICN1037 PICN1038 PICN1039 PICN1040 PICN1041 PICN1042 PICN1043 PICN1044 PICN1045 PICN1046 PICN1047 PICN1048 PICN1049 PICN1050 PICN1051 PICN1052 PICN1053 COCN1 PICNK101 PICNK102 PICNK103 PICNK104 PICNK105 COCNK1 PIR8201 PIR8202 COR82 PIRK101 PIRK102 CORK1 ...

Страница 42: ...CE802 COCE8 PICE901 PICE902 COCE9 PICF501 PICF502 COCF5 PICH101 PICH102 COCH1 PICH201 PICH202 COCH2 PICH301 PICH302 COCH3 PICH601 PICH602 COCH6 PICH701 PICH702 COCH7 PICH901 PICH902 COCH9 PICH1101 PICH1102 COCH11 PICH1201 PICH1202 COCH12 PICH1301 PICH1302 COCH13 PICH1401 PICH1402 COCH14 PICH1501 PICH1502 COCH15 PICH1601 PICH1602 COCH16 PICH1701 PICH1702 COCH17 PICH1901 PICH1902 COCH19 PICH2401 PIC...

Страница 43: ...2201 PICS2202 COCS22 PICS2301 PICS2302 COCS23 PICS2501 PICS2502 COCS25 PICS2601 PICS2602 COCS26 PICS2701 PICS2702 COCS27 PICS3001 PICS3002 COCS30 PICS3301 PICS3302 COCS33 PICS3401 PICS3402 COCS34 PICS3701 PICS3702 COCS37 PICS3801 PICS3802 COCS38 PICS3901 PICS3902 COCS39 PICS4001 PICS4002 COCS40 PICS4201 PICS4202 COCS42 PICS4301 PICS4302 COCS43 PICS4601 PICS4602 COCS46 PICS4801 PICS4802 COCS48 PICS...

Страница 44: ...AV4 PICA101 PICA102 COCA1 PICA201 PICA202 COCA2 PICA301 PICA302 COCA3 PICA401 PICA402 COCA4 PICA501 PICA502 COCA5 PICA601 PICA602 COCA6 PICA701 PICA702 COCA7 PICA801 PICA802 COCA8 PICA901 PICA902 COCA9 PICA1001 PICA1002 COCA10 PICA1101 PICA1102 COCA11 PICA1201 PICA1202 COCA12 PICA1301 PICA1302 COCA13 PICA1401 PICA1402 COCA14 PICA1501 PICA1502 COCA15 PICA1601 PICA1602 COCA16 PICA1701 PICA1702 COCA1...

Страница 45: ...PICN11036 PICN11037 PICN11038 PICN11039 PICN11040 PICN11041 PICN11042 PICN11043 PICN11044 PICN11045 PICN11046 PICN11047 PICN11048 PICN11049 PICN11050 PICN11051 PICN11052 PICN11053 PICN11054 PICN11055 PICN11056 PICN11057 PICN11058 PICN11059 PICN11060 PICN11061 PICN11062 PICN11063 PICN11064 PICN11065 PICN11066 PICN11067 PICN11068 PICN11069 PICN11070 PICN11071 PICN11072 COCN11 PIRC101 PIRC102 CORC1 P...

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

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

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

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

Страница 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 ...

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

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

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

Страница 54: ...e 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 or 18 5V LNB VCC RS33 LNB VCC nKey Test Point minimum US2 ...

Страница 55: ...Oct 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_normal ...

Страница 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 ...

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

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

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

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