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TCL L40D2730A Service Manual
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TCL L40D2730A Service Manual

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SERVICE MANUAL
1. Caution....................................................................................
2. specification..............................................................................
3. Alignment Procedure..................................................................
4．Block diagram...........................................................................
5．Scheme Diagram .....................................................................
6. 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
TCL
L40D2730A/MS08EP-LA

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Summary of Contents for TCL L40D2730A

  • Page 1 SERVICE MANUAL L40D2730A/MS08EP-LA 1. Caution………………………………………………………………………… 2. specification…………………………………………………………………… 3. Alignment Procedure………………………………………………………… 4．Block diagram………………………………………………………………… 5．Scheme Diagram …………………………………………………………… 6. 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...
  • 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 PRODUCT SPECIFICATION RELEASE Model: L40D2730A/MS08EP-LA/CM1GTA Version：1.0 Issued On: 2015-01-19 Basic Information Media Format LCD Smart TV Product Type Music MP3, AC3, HE-AAC, LPCM MS08EP-LA Chassis Picture JPEG, PNG, BMP, MPO 1GHz MPEG2, MPEG4, H.264,Motion JPEG Video Linux Memory 256MB +128MB DDR3, 512MB NAND Flash...
  • Page 7 Pre-Installed Application List Special Function Opera TV Browser Dolby Virtual Surround MS10 Opera TV Store GINGA NetFlix Essential Accessories (Default) YouTube Terra TV Operation Manual English (Default) Twitter Remote Control RC199E Facebook Base Stand Integrated Packaging Picasa AC power cord 1 pcs File Share E-Sticker...
  • Page 8 Factory Test & Alignment Specification For MS08EP-LA Series (V1.0) TCL GMC IPC R&D Factory Test & Alignment Specification (FTAS) for MS08EP-LA Series Version 1.0 Gao Hongxin PREPARED BY : DATE : 2014-11-26 APPROVED BY : DATE : Disclosure Page 1 of 18...
  • Page 9 Factory Test & Alignment Specification For MS08EP-LA Series (V1.0) The information contained in this document is proprietary to TCL IPC 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 10: Cable&Antenna

    Factory Test & Alignment Specification For MS08EP-LA Series (V1.0) CABLE&ANTENNA ( PAL M/PAN N/ NTSC) ANTENNA (ISDB-T) HDMI (480i/p, 576i/p, 720p up to 1080i/p, compliant v1.4 with HDCP) Inputs (YPrPb can support from 480i up to 1080p,audio) & Outputs (CVBS, audio) AV Audio Out - Picture, Video, Audio Playback USB Thumb Drive...
  • Page 11 Factory Test & Alignment Specification For MS08EP-LA Series (V1.0) 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 Factory Test & Alignment Specification For MS08EP-LA Series (V1.0) format and check picture content and sound quality accordingly: Source Test Signal Test Pattern 2D - Movie 1280x720 2D - Static Picture 1920x1080 Analog /Digital Tuner RF cable generator 1. Frequency Range: full band (VHF/UHF &...
  • Page 13 Factory Test & Alignment Specification For MS08EP-LA Series (V1.0)  See Appendix “How to upgrade MAC Address  DeviceID (DID) and UserID (UID) Purpose is to allow Other Network Download (OND) and further specific Services over dedicated portal based on UK. Description/Portal Links/Flow chart are welcome? For such, specific DID (32 bytes) and UID (8 bytes) needs to be paired and overwritten into memory for internal client encryption.
  • Page 14 See Appendix “Factory Menu Description” 2.2. 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 15 (ex: Minolta CA210 or CA310). The analyzer may not touch the screen surface, and measurement must be performed in a dark environment keeping the probe(s) at 90+/-2° from the panel center. The result should fulfill TCL matching specification (Minolta CA210 reference with CH00): MODEL COOL(x/y)
  • Page 16 Factory Test & Alignment Specification For MS08EP-LA Series (V1.0) Open Mstar “Mboot” software programming tool “ISP_Tool_4528”   Click on “Read”, and select “mboot.bin” file  Then click “Connect” ,it will check SPI FLASH’s tape----correct, it will display OK. Note：If this is not the first time to upgrade, you must do as following Connect 8th pin and 3th pin by a wire.
  • Page 17 Factory Test & Alignment Specification For MS08EP-LA Series (V1.0) Otherwise you will see an error: Write Protect can’t be disabled!!!  Next, click on “Auto” menu, then click “Run”, it begin programming “Mboot.bin”, when programming success, it will display a word “Pass”. Page 10 of 18...
  • Page 18 Factory Test & Alignment Specification For MS08EP-LA Series (V1.0)  See Appendix “How to upgrade MBOOT using USB”  Copy the SW BIN image “V8-6328L01-LB1V0**.bin” into the USB stick root path..  Plug the USB stick to the TV  Into the factory menu (picture1) and Select USB upgrade option.
  • Page 19 Factory Test & Alignment Specification For MS08EP-LA Series (V1.0) The second method：  To use this method, there should be SW in mainboard to ensure TV can display normally.  Copy the SW BIN image “V8-6328L14-LF1VXXX.bin” into USB stick (pen drive) root path ...
  • Page 20 Factory Test & Alignment Specification For MS08EP-LA Series (V1.0) B Gain 000..255 B White balance (-127..+128 for gain) R Offset 000..255 R Gray balance (-127..+128 for offset) G Offset 000..255 G Gray balance (-127..+128 for offset) B Offset 000..255 B Gray balance (-127..+128 for offset) Press “OK”...
  • Page 21 Factory Test & Alignment Specification For MS08EP-LA Series (V1.0) Upgrade Mboot Mboot upgrade Upgrade NVM NVM Upgrade Backup NVM NVM backup Upgrade CH list CH list Upgrade Backup CH list CH list backup 0- DeviceID test submenu Item Sub-item Value Note DeviceID OK/Fail...
  • Page 22 Factory Test & Alignment Specification For MS08EP-LA Series (V1.0) Appendix ”NETWORK CONNECTION AND TEST” 1.Network connection You can set up your TV so that it can access the Internet through your local area network (LAN) using a wired or wireless connection. 1.1Connecting to a wired network You can attach your TV to your LAN using cable in three ways: •...
  • Page 23 Factory Test & Alignment Specification For MS08EP-LA Series (V1.0) of an available wireless router to setup the connection. -1.2.3.3 Auto If your AP supports WPS (Wi-Fi Protected Setup), you can connect to the network via PIN (Personal Identification Number) or PBC (Push Button Configuration). WPS will automatically configure the SSID and WPA key in either mode.
  • Page 24 Factory Test & Alignment Specification For MS08EP-LA Series (V1.0) 1. Select Options > Network > Applications > Share & See, then press ◄/► to select On. 2. Press Menu on the remote control and select USB, then press OK to launch Share & See applications.
  • Page 25 Factory Test & Alignment Specification For MS08EP-LA Series (V1.0) U302 SO-8 13-W25Q16-00B（CPP） MBOOT: V8-6328L14-LB1Vxxx U301 IC-TSOP48 13-FHMT29-4GB(CPP) Main Software： V8-6328L14-LF1Vxxx 2 The DEVICE ID/MAC Address/HDCP KEY/ESN KEY must be upgrade by debug port into U302. Page 18 of 18...

  • Page 26: Signal Flow Diagram

    Signal Flow Diagram Panel LVDS Transimiter TPA3113D FLASH VEDIO IN MSD6308RT Audio in SPDIF Audio out CABLE Network FAT+ / FAT- (ATV) ANATENA (ATV/DTV)

  • Page 27: Power Supply Block Diagram

    Power Supply Block Diagram...

  • Page 28: Power Supply Flow

    Power Supply Flow...
  • Page 29 I²C Bus Block Diagram HDMI1_SCL HDMI1 HDMI1 HDMI1_SDA TU1_SCL HDMI2_SCL TU101 TU101 TU1_SDA HDMI2 HDMI2 MS08PA MS08PA HDMI2_SDA Tuner Tuner HDMI3_SCL HDMI3 HDMI3 HDMI3_SDA...
  • Page 30 MODEL:MS08EP/MS08FP DESCRIPITION: DRAWN: DATE: CHECK: DATE: APPR: DATE: WW R&D CENTER TCL MULTIMEDIA TECHNOLOGY HOLDING LTD. 5TH FLOOR.TCL BUILDING.SOUTH NANHAI ROAD NANSHAN DISTRICT.SHENZHEN.GUANGDONG 518067 CHINA TEL:+86 755 33312403 ... NOTE: PAGE: FORMAT DIN A4...
  • Page 31 C037 0.1U C038 Output 1.5076V=1.25*(1+68/330) DD-MM SBU : TCLNO: 40-MS39A0-MAA2HG DD-MM DD-MM TCL Thomson Electronics Ltd. B Building, TCL Tower, Nanhai Road Nanshan District, Shenzhen, Guangdong DD-MM DESIGNATION Tel +86-755-3331xxxx Fax +86-755-3331xxxx Index-Lab DATE NAME DESCRIPTION Last modif DRAWN CHECKED PAGE: ...

  • Page 32: Audio Output

    IPTV IN WLAN CONNECTOR ETHERNET TXVN_0 RXVP_1 RXVN_1 F900 F901 TXVP_0] NEARLY IC AV IN NEARLY CONNECTOR Must be differential 100ohm U900 TXVP_0 C201A NET_TX1P R201A 0.047U VCOM0 R917 R918 GND_AV_IN NET_TXC TXVN_0 NET_RXC NET_TX1N C201 R201 0.047U NET_RX1N C916 P900 AV1_V_IN RX1N...

  • Page 33: Usb Connector

    HDMI/MHL P903 P904 H1_HPD H1_HPD H1_RX2+ H3_HPD P905 RX2+ H3_HPD H2_HPD H3_RX2+ H2_HPD H1_SCL RX2+ H2_RX2+ H1_SCL GND1 H3_SCL RX2+ H3_SCL GND1 H2_SCL H1_RX2- H2_SCL MHL_DETECT H1_SDA GND1 H1_SDA RX2- H3_RX2- H3_SDA H3_SDA RX2- H1_RX1+ H2_SDA H2_RX2- H2_SDA RX1+ H_CEC H3_RX1+ RX2- H_CEC...
  • Page 34 3_3VSB core power 3_3VSB L201 VCCK +1_15V_VDDC_RX 600R MCU_RESET C220A C222 C223 C224 C225 C220 C221 C226 C227 C228 C228A 0.1U 0.1U 0.1U 0.1U 10U/NC 0.1U/NC 0.1U 0.1U 0.1U R238 D210 R242 0BAV99 Q201 R239 47K R241 Q200 MCU_RESET BT3906 BT3906 C260 Reset=H...
  • Page 35 U200 PCM_D0 TS0_D0 PCM_D1 TS0_D1 AA18 PCM_D2 TS0_D2 PCM_D3 TS0_D3 PCM_D4 TS0_D4 PCM_D5 TS0_D5 PCM_D6 TS0_D6 PCM_D7 TS0_D7 AA12 TS0_CLK U200 NAND_D0 AA13 PCM_A0 TS0_VLD NAND_D1 PCM_A1 TS0_SYNC NAND_D2 PCM_A2 NAND_D3 U200 RIN0P PCM_A3 RXVN_1 NAND_D4 GIN0M PCM_A4 RXVP_1 NAND_D5 AA16 GIN0P PCM_A5...
  • Page 36 R327 1_5V_E R339 B_DDR3_A12 B-DDR3-A12 U200 B_DDR3_DQL0 B-DDR3-DQL0 B_DDR3_BA1 B-DDR3-BA1 B_DDR3_DQL2 B-DDR3-DQL2 B_DDR3_A0 B_A[0] B_DDR3_A1 B_A[1] B_DDR3_A2 B_A[2] B_DDR3_A3 R328 B_A[3] R340 B_DDR3_A4 B_A[4] B_DDR3_A5 B_A[5] B_DDR3_A6 B_A[6] B_DDR3_A10 B-DDR3-A10 B_DDR3_A7 B_DDR3_DQL6 B-DDR3-DQL6 B_A[7] B_DDR3_A8 B_A[8] B_DDR3_CKE B-DDR3-CKE B_DDR3_DQL4 B-DDR3-DQL4 B_DDR3_A9 B_A[9] B-DDR3-DMU...
  • Page 37 R600 R601 R602 BT3906 Q600 3_3VSB R623 BT3906 3_3VSB Q601 MUTE R605 R606 Q602 D600 BT3904 R607 LL4148 AMP_MUTE Power AMP TPA3113D2 12VA R640 3_3VSB R629 L600 100K 392170 GAIN1 GAIN0 GAIN 20dB R641 U600 R631 C610 R632 26dB C611 R610 NC/10K 32dB...
  • Page 38 MBR10150 NTC82 +50VLED D850 D850A R853A 4.7K 0.1U C853A 3.15A MUR460 250VAC RL255 RL255 R850 ZD850 Z50V VR81 0.1U C853B R851 4.7K R853B RL255 RL255 ZD851 C850 NTC81 R852 220P 12VOUT VAL? MBR10150 D830 R801 R802 R803 B801 ZPGND PGND FR207 D801 300K...
  • Page 39 Power OK, backlight OK,no picture Check the voltage of Replace R270 pin ‘s’ of q208 and R271 Check the voltage of ‘g’ of Check the output of Q208 Q208 OR replace Q208 Measure the wave of Check the supply of U201 LVDS signal Replace panel...
  • Page 40 TV no picture Measure the wave Check the voltage of repair the circuit of of pin 8,9 of U1 pin 6 ,7 of u1 U101 and Q102 Check the circuit measure the wave of between U1 and Check the U201 SDA and SCL U201 Replace u1...
  • Page 41 AV no picture Upgrade Software of U202 ok? Replace Check the components the bad between AV port and U201 Replace Check U201 ok? U201 VGA/YPbPr no picture Check the peripheral components of U201 Check the components between Replace VGA/YPbPr port and U201 the bad Replace the bad...
  • Page 42 Picture OK, all source no sound Check the voltage of Repair the 12v supply pin 3,13 of U602 Check the pin 6 of u602 Check q607,q608,q609 Check the pin 7 of u602 repair R691 and R692 Check the wave of PIN 4,12 of U602 check u601 and volume control Replace U602 or replace...
  • Page 43 Standby +5.0VSB OK, +5.0V NG Check the voltage of Check before Q305 pin ‘s’ of q305 Check the voltage of ‘g’ of Check the output of Q305 Q305 OR replace Q305 Check U303,U304 short to Gnd Replace the bad...
  • Page 44 The picture bad Replace the wire from P202A to t-com Replace the Replace panel chassis Check the circuit between p202a and U201 Upgrade the software...

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