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TCL MT31-AP Service Manual
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TCL MT31-AP Service Manual

TCL MT31-AP Service Manual

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SERVICE MANUAL
1. Caution....................................................................................2
2. specification..............................................................................6
3. Alignment Procedure..................................................................7
4．Block diagram...........................................................................1
5．Scheme Diagram .....................................................................
5. Troubleshooting........................................................................2
6. PCB Layout ...........................................................................3
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
TCL
MT31-

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Summary of Contents for TCL MT31-AP

  • Page 1 SERVICE MANUAL MT31- 1. Caution…………………………………………………………………………2 2. specification……………………………………………………………………6 3. Alignment Procedure…………………………………………………………7 4．Block diagram…………………………………………………………………1 5．Scheme Diagram …………………………………………………………… 5. Troubleshooting………………………………………………………………2 6. PCB Layout …………………………………………………………………3 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...
  • 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 Test and Alignment Specification for MT5331 Series (v0 91) TCL World-Wide R&D FPD CENTER Test & Alignment Specification (TAS) for MT5531 EU/AU/RU Series Version 0.90  MT31L: Low Cost CCFL & LED Platform  MT31D: Low Cost CCFL & LED Platform (for E3000 ID only) ...

  • Page 7: Revision History

    D ATE : Disclosure The information 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.
  • Page 8 Test and Alignment Specification for MT5331 Series (v0 91) These chassis are designed for European LCD TV markets with MPEG4 for both TCL/THOMSON brands. The main chip is from Mediatek (MT5531 series) and support below feature matrix: Class Item MT31B/L/D...
  • Page 9 Test and Alignment Specification for MT5331 Series (v0 91) SCART1 output √ √ √ (CVBS, audio) AV output (RCA) √ (CVBS, audio) Headphone √ √ √ √ output Coaxial Coaxial Coaxial Coaxial Coaxial SPDIF output IP Return IP Return IP Return RJ-45 MEMC √...
  • Page 10 Test and Alignment Specification for MT5331 Series (v0 91) Note: It is necessary to erase Flash before writing code file for reading in correctly EEPROM data.  Manufacturing Connectors Pinout VGA / P1000 Pin4:RXD Pin11:TXD  USB to UART Bridge Adapter (Silicon Labs CP210 chipset series) To communicate with TV product for debugging, adjustment and so…...
  • Page 11 Test and Alignment Specification for MT5331 Series (v0 91) 1. PCB/SKD Assembly: Test & Alignment Pre-Conditions and DC/DC Check 1.1. Before power on, please check the board according to the relevant block diagram and circuit diagram, and make sure that no serious issue or mistake can destroy the board. For example, the output of DC/DC and LDO should not be shorted to ground.
  • Page 12 Test and Alignment Specification for MT5331 Series (v0 91) TCL_HW5881.pdf To build an OAD TS, it’s necessary to create a temporary common and interchangeable DSM file format using below command and arguments: ‘bin2dsm.exe -v -v -v -m0,0,"TCL_HW5881",0 -n200 -z102400 -nz -o%FILE%.dsm -h"OUI=CUST_OAD_OUI model=CUST_OAD_HW_MODEL version=CUST_OAD_HW_VERSION...

  • Page 13: Functional Test

    Test and Alignment Specification for MT5331 Series (v0 91) Here below is none exhaustive ProjectID table for reference. Project list and all relative information are dispatched and updated as a new firmware package is released. Project Name Project ID Panel L39F3303F PANEL_CMI_V390HJ1-P02 L39F3393F...
  • Page 14 Test and Alignment Specification for MT5331 Series (v0 91) Suitable Audio Amplifier PCM or Dolby D+ SPDIF (optical / cinch) Conax, Irdeto, Viaccess, … PCMCIA CI CAM card adaptor SCART/AV IN via adaptor on MT31B/T PAL Half Color & Gray bars 720x576 Chroma/Fluke generator (CVBS &...

  • Page 15: Factory Menu

    Test and Alignment Specification for MT5331 Series (v0 91) 1.9. CI+ Key Upgrade, Activation and Test ⑹ “How to upgrade and activate CI Key using USB” See Appendix ⑺ “How to upgrade and activate CI Key using MTK tool” See Appendix 1.10.
  • Page 16 See Appendix 2.3. Warm-up Test Following TCL standard and practices, it’s required minimum 15min of Warm-Up that can be considered as Burn-In. Additional Aging for White Balance alignment is no more necessary due to consistent Picture Performance with Cloning usage.
  • Page 17 Note: The White balance value is right conformed by PQ Engineer , Except PQ Engineer, anybody can not change the white balance value and Default value. The measured and adjustable parameters should be mainly “x”, “y” coordinates (see “TCL EU Picture Quality Requirements for FPDs” for reference).
  • Page 18 Test and Alignment Specification for MT5331 Series (v0 91) 19HW4323 H3-19E41S2-WE1BWAA 290,317 300,330 338,365 -3,0,9 130,124,128 16,0,-27 19HW4323W H3-19E41S2-WE1CWAA 290,317 300,330 338,365 -3,0,9 130,124,128 16,0,-27 L19E4153 H3-19E41S2-WE1DWAA 290,317 300,330 338,365 -3,0,9 130,124,128 16,0,-27 L19E4143 H3-19E41S2-WE1EWAA 290,317 300,330 338,365 -3,0,9 130,124,128 16,0,-27 L19E4133 H3-19E41S2-WE1FWAA...
  • Page 19 Test and Alignment Specification for MT5331 Series (v0 91) 39FU5243C H3-39E53Q9-WE1CWAA 270,276 280,290 315,331 -3,0,9 128,128,128 16,0,-27 L40FW3323 H3-40E33S3-WE1AWAA 270,280 280,290 315,327 -3,0,9 128,128,128 16,0,-27 40FU3253C H3-40E30S3-WE1AWAA 263,276 273,287 310,326 -3,0,9 128,128,128 16,0,-27 L40E3003F H3-40E30S3-WE1BWAA 263,276 273,287 310,326 -3,0,9 128,128,128 16,0,-27 40FW5554 H3-40E55R4-EU1AWAA...
  • Page 20 Test and Alignment Specification for MT5331 Series (v0 91) Area RU (俄罗斯) White Balance Default Energy Project Name Bom No. COOL NORMAL WARM COOL NORMAL WARM Efficiency L32E5300(俄罗斯） H3-32E53T4-AACA0AA 270,290 280,300 315,335 .-3，0，9 128,128,128 16，0，-27 L39E5300F（俄罗斯） H3-39E53U3-UR1A0AA 260,280 270,288 305,325 .-3，0，9 137,128,128 16，0，-27...
  • Page 21 Test and Alignment Specification for MT5331 Series (v0 91) Appendix ⑴ “How to upgrade SW FLASH using MTK tool”  Connect UART interface to suitable manufacturing TV input connector (note that PC connector requires TVs on “Factory mode”)  Launch MTK tool with version above v0.6.7 ...
  • Page 22 Test and Alignment Specification for MT5331 Series (v0 91) Select NOR flash type and press “OK” button to start downloading the SW and wait the gauge displayed  “100%” that means the SW has been successfully downloaded. In the meanwhile, all operations such erasing flash and so… are parsed into the debug window script ...
  • Page 23 Test and Alignment Specification for MT5331 Series (v0 91)  While power-on TV if previously off (LED status off), press “Power” button from local keyboard during few seconds to start upgrading process  Release “Power” button once LED is blinking or USB stick starts blinking, TV is uploading SW BIN image ...
  • Page 24 Test and Alignment Specification for MT5331 Series (v0 91) (ex: DTA-115 Multi-Standard VHF/UHF Modulator - http://www.dektec.com/products/PCI/DTA-115/)  Play DVB MPEG SSU TS, that includes suitable PKG SW image, with right presets (850MHz/8MHz/…) detailed on above 1.2 section  Send OAD manufacturing IR code [08d/60d] (refer to SIACP document rev. v5.9 for further information) or go to “Factory menuOtherOAD update“...
  • Page 25 Test and Alignment Specification for MT5331 Series (v0 91)  Select menu upgrade icon .and Load bin File need Hdcp key.  Select Upgrade Icon Attention: If the upgrade is not successful, Press the computer ESC key when hold on TV, waiting for TV finish up after the upgrade.
  • Page 26  Go to “Factory menuOtherUpdate CI+ CredentialUpdate From USB“ and then press RCU “OK/►” key The “Valid” flag should now be enabled (turns to “Yes”), “Custom Code” should displayed “TCL” and “Serial Num.” field should updated with Key number. ...
  • Page 27 Test and Alignment Specification for MT5331 Series (v0 91) Appendix ⑼ “Factory Menu Description” 1-Hotkey submenu Item Sub-item Value Note Enable Hotkey flag by pressing “◄►” key to have possibility to Hotkey Off/On access Factory menu with “RETURN” key (default is disabled) 2-Warm-Up Mode submenu Item Sub-item...
  • Page 28 Test and Alignment Specification for MT5331 Series (v0 91) Press “◄►” key to enable/disable Adaptive Luma Control On/Off Set BackLight by pressing “◄►” Backlight 000..100 Set BackLight Control Mode by Dyn Backlight Control 0.. 2 pressing “◄►” key Select by pressing “◄►” key Energy Save High Set APL2 point by pressing “◄►”...
  • Page 29 Test and Alignment Specification for MT5331 Series (v0 91) 6-Reset ALL submenu Item Sub-item Value Note Press “OK►” key to default NVM according to selected Project ID Reset ALL > (all adjustments are defaulted, channel Maps are cleared, Hotkey is enabled, …) 7-Pre-Frequency submenu Item Sub-item...
  • Page 30 Test and Alignment Specification for MT5331 Series (v0 91) 0-Other submenu Item Sub-item Value Note Press “OK►” key to active CI+ key Update CI+ Credential > Press “OK►” key to copy CI+ key Update from USB > from USB Press “OK►” key to remove CI+ Upgrade Erase CI+ Credential >...
  • Page 31 Test and Alignment Specification for MT5331 Series (v0 91) Note: A quick access to suitable submenu item can be achieved by pressing it prefixed RCU key number (ex: pressing “9” to directly highlight “USB Clone” item). Page 26 of 26...
  • Page 32 LVDS 12V/+5V DVDD3V3 FLASH FLASH_WP,H， 写数据 CI_MIVAL CI_MCLKI CI_MCLKO CI_RESET CI_A PCMCIA CI_D CI_MOVAL 3V3SB DV3V3 CI_MOSTRT AVDD3V3， AMP_VCC SPK_L- MUTE SPK_L+ AMP-MUTE， OSDA0 SPK_R- SPEAKER H：功放静音 OSCL0 SPK_R+ SDATA0 HP_L LRCK USB_MHL_OC MCLK HP_R AVDD3V3上拉 HDMI_2_HPD_CBUS Headphone HPDET# RX_2_C RX_2_CB SCT1_AV_IN SCT1_AV_OUT...
  • Page 33 R170 24V/12V 24V/12V 3D_CTRL 24V/12V R169 R156 1K DIM_OUT DIM_DC 3.3VSB DIM_IN 3V3SB POWER_ON C121 R157 MAIN_POWER_INPUT BL_ON DIM_PWM IR/KEY BD CONNECTOR MAIN_POWER 0R 电阻 24V/12V IR_3V3 IR_IN LO = > POWER_ON 600R HI = > POWER_OFF L111 POWER_ON R165 OPWRSB R142 Q104...
  • Page 34 I2C_SDA I2C_SCL Close to MT5531 IF_N IF_P TUN3 SBU : TCLNO: ..... TCL Thomson Electronics Singapore Pte. Ltd. 8 Jurong Hall Road #28-01/06 The JTC Summit SINGAPORE 609434 DESIGNATION Tel (65) 63092900 Fax (65) 63092999 Index-Lab DATE NAME DESCRIPTION Last modif...
  • Page 35 YPBPR IN close to MT5531 close to YPbPr connector NC/P303 C310 R340 1500P SOY0 ONLY FOR AU MARKET R351 SCT1_AV_IN NC/470R P305 U0TX SPDIF R354 NC/0R C311 R337 GREEN R345 0.01U C326 0.1U 220R R352 R317 Y1_IN SPDIF_OUT P301 Y1_IN NC/470R 100R U0RX...
  • Page 36 SCART1 Audio Output POWER INTERFACE R404 470R Close to P9/P10/N10 DVDD3V3 U401 R426 DVSS15 VCC3IO DVSS14 VCC3IO1 VCCK DVSS13 VCC3IO2 DVSS12 R422 C406 DVSS11 C407 R421 470R SCART1L_PA SCART1R_PA DVSS10 470R DVSS VCCK8 DVSS1 VCCK7 Q400 Q401 DVSS2 VCCK6 R413 R420 R414 R417...
  • Page 37 PCMCIA AVDD3V3 CI_DVDD3V3 R500 CI_VCC CI_VCC U500 VOUT C509 CI_DVDD3V3 CI_VCC CI_VCC CI_DVDD3V3 CI_VCC CI_VCC CI_DVDD3V3 EN/EN# R532 CI_POWER_EN NC/4K7 RT9711A CI_CD1# CI_CD2# CI_VS1# CI_WAIT# CI_MCLKO CI_IREQ# CI_CE2# P500 U401 CI_D0 CI_CD1# CI_D3 CI_D0 CI_D1 CI_MDO3 R520 CI_D4 CI_D1 CI_MCLKO CI_D2 CI_MDO4 CI_D5...

  • Page 38: Usb&Ethernet

    GPIO&LVDS USB&Ethernet U401 R637 NC/100R OPCTRL3 USB_DM0 LOGO U401 U401 USB_DP0 USB_DM_P1 USB_DM1 USB_DP_P1 USB_DP1 OSCL0 PDD0 OSCL0 LED_PWM0 OSDA0 OPCTRL0 PDD1 OSDA0 LED_PWM1 LVDS_PWR_EN OSCL1 OPCTRL1 GPIO0 PDD2 OSCL1 OPCTRL2 BL_ON/OFF OSDA1 OPCTRL2 GPIO1 PDD3 OSDA1 RXVN OPCTRL3 3D_SEL OPCTRL3 GPIO2 PDD4...

  • Page 39: Audio And Video

    Audio&Video U401 VGASCL VGA_SCL VGASDA U401 RF_AGC VGA_SDA IF_AGC VSYNC IF_AGC VSYNC HSYNC SCART1_R_IN AIN_R0 AVDD1V2 ADCINN_DEMOD HSYNC SPDIF_OUT SCART1_L_IN ASPDIFO AIN_L0 ADCINN_DEMOD ARC_OUT ADCINP_DEMOD YPBPR_R_IN ASPDIFI AIN_R1 ADCINP_DEMOD YPBPR_L_IN AIN_L1 VGACOM MCLK AOMCLK AIN_R2 AVDD12_DEMOD AOBCK AIN_L2 LRCK AOLRCK AIN_R3 SDATA0 SOY1...
  • Page 40 L803 P800 EXC24C P801 RX_0_2 F803 R852 RX2+ HDMI-2-SCL RX_2_2 RX2+ RX_0_2B GND1 R853 R807 F800 HDMI-2-SDA RX_2_2B MHL_DET GND1 F809 HDMI-0-SCL L800 RX2- F801 EXC24C HDMI-2-HPD RX2- F806 RX1+ HDMI-0-SDA RX_0_1 RX1+ R854 F802 OPWR5V RX_2_1 RX_0_1B GND2 F807 HDMI-0-HPD GND2 R855...
  • Page 41 0R电阻 AVDD3V3 C962 R950 NC/4U7 R951 C948 0.1U AMP_RESET L900 TCON6 MAIN_POWER AMP_VCC C916 C912 I2C Address:0x38 0.1U 0.1U C946 600R L909 AVDD3V3 ABCLK BICKI ALRCLK LRCKI CPVSS C960 NC/4U7 R914 ASDATA0 VDD3V3 RESET SOFTMUTE AMP_RESET C925 MUTE PWDN GNDA R916 R930 ASDATA0...
  • Page 42 P1000 close to MT5531 C1007 R1003 R1018 0.01U VGA_SCL VGA_GRN 100R R1008 R1004 C1006 VGA_VS 100R VSYNC VGA_RXD C1000 R1000 0.015U NC/10P R1005 VGA_VS 100R VGACOM C1008 VGA_5V NC/10P C1005 R1006 R1019 VGA_BLU 0.01U 100R VGA_RED VGA_HS C1004 R1009 0.01U VGA_HS 100R HSYNC...
  • Page 43 TU_3V3 Z1100 R1111 200R T2_RST C1114 R1112 1K C1116 C1117 0.1U C1115 R1113 100R R1120 TUNER-SCL T2_SCL TO T2 DEMOD R1121 100R C1105 R1104 47R R1123 TUNER-SDA T2_SDA TUNER_FAT- TUNER_FAT+ R1105 47R TAINP TESTIN R1114 100R OSDA0 TAINM TESTOUT R1102 NC/100R 1V1_CVDD OSCL1 AVSS...

  • Page 44: Troubleshooting

    Trouble Shooting Don’t start Check power Is Power board 3.3V board STB, 12V/24V normal? Only3.3V Check if every DC-DC Check every Shift module has DC-DC module output. Does main IC have Check if main chip power supply or not Output Pow-ON, Dim, BL-ON Signal to Main IC reset signal power board...
  • Page 45 Trouble Shooting Abnormal Picture Abnormal picture To check which source Abnormal picture in some of source has abnormal picture in all source Check the relevant U401 Check the circuit signal source Problem between U401 to circuit. panel TV, AV, YPbPr, Check the row-resistor, Check the LVDS HDMI, VGA...
  • Page 46 Trouble Shooting Abnormal Sound or No Sound Abnormal sound in all To check which source Abnormal sound source. has abnormal sound. in some of source. Check the waveform of P902. Check Speakers. Check the relevant signal source circuit. Check the status of Check the status of IIS.

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