TCL 39S62/NT63EP1-LA Service Manual
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TCL 39S62/NT63EP1-LA Service Manual

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Table of Contents

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
39S62/NT63EP1-LA

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  • Page 1 SERVICE MANUAL 39S62/NT63EP1-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: 39S62FS/NT63EP1-LA/MD9W01 Version：1.0 Issued On: 2017-08-24 Basic Information Sound Product Type LED FHD Smart DTV Speakers Integrated speakers (Bottom side) NT63EP1-LA Chassis 2×8W Audio Power Output（THD=7%） CA9 *2, 896MHz Sound Preset Standard\Movie\Music\VoiceStadium\Personal Mali-400*2 TV Placement Desk top / Wall mount Linux Audio Delay DDR : 256MB +512MB/EMMC: 4GB...
  • Page 7 Correct specifications/outward depend on the actual model,all specifications are subject to change without prior notice. Featured Application List Essential Accessories（Default） Watch TV Shows Online, Watch Movies Online Netflix Operation Manual English(Default) Push Popular VOD posters to Homepage YouTube Remote Control and batteries RC802N (with 2 batteries) Store with lots of Apps TV+ App Store...
  • Page 8 新建文件夹 (3)Test and Alignment Specification for NT63 Series (v0 01) 170612 TCL World-Wide R&D FPD CENTER Test & Alignment Specification (TAS) for NT72563 Version 1.0 PREPARED BY : 舒相成 ， DATE : 2017-6-12 ， CHECKED BY : DATE : ，...

  • Page 9: Revision History

    Series (v0 01) 170612 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 10 新建文件夹 (3)Test and Alignment Specification for NT63 Series (v0 01) 170612 These chassis are designed for European LCD TV markets Ready for IPTV. The main chip is from novatek NT72563 series with embedded Linux core and supports below features matrix: Page 3 of 25...
  • Page 11 新建文件夹 (3)Test and Alignment Specification for NT63 Series (v0 01) 170612 IC Details & Position Market NT63B1-AP NT63EP1-LA Main SW IC Details EMMC(4GB/8GB) & V8-N563T01-LF1VXXX V8-N563T01-LF1VXXX BIN image Position HDMI SWITCH - EDID BIN image ▪ Manufacturing Connectors Pinout ISP-UART / P15 Pin1: NC Pin2: RXD Pin3: TXD...
  • Page 12 新建文件夹 (3)Test and Alignment Specification for NT63 Series (v0 01) 170612 Page 5 of 25...
  • Page 13 新建文件夹 (3)Test and Alignment Specification for NT63 Series (v0 01) 170612 INFO:  All tests and measurements mentioned hereafter have to be carried out at a normal mains voltage (220 ~ 240 VAC)  All voltages have to be measured with respect to ground, unless otherwise stated ...
  • Page 14 新建文件夹 (3)Test and Alignment Specification for NT63 Series (v0 01) 170612 1.2.2 MP Step In case of starting from blanked flash, it’s necessary to write “ V8-N563T01-LF1VXXX _emmc_writer.bin” file via factory copy in advance. ▪ OAD Stream To manage quicker mass reflashing on predefined DVB Channel, some licensed IBL tools ('xxx2lli.exe', 'lli2dsm.exe', dsmmerge.exe …) from Intel byte Inc.

  • Page 15: Functional Test

    新建文件夹 (3)Test and Alignment Specification for NT63 Series (v0 01) 170612 ST3151A05-9 L32S4900S ore and more project ID will be added in the future. Note②:M 1.5. Functional Test Once the boards (chassis, KB, IR, PSU…) and the panel are well interconnected, plug all external generator devices to relevant below inputs/outputs using respective test patterns format to check picture and sound quality: Source Test Signal...
  • Page 16 新建文件夹 (3)Test and Alignment Specification for NT63 Series (v0 01) 170612 SCART1 OUT via adapter RF signal Suitable channel (DVB-T & CVBS out) CMP via mini jack adaptor Chroma/QuantumData 1920x1080i@60Hz (YPrPb & Audio) generator Half Color & Gray bars with beyond HDMI 1.3 and HDMI HDCP compliant DVD/BD 2D - Movie 1280x720i@60Hz...
  • Page 17 新建文件夹 (3)Test and Alignment Specification for NT63 Series (v0 01) 170612 MAC can be set using UART commands described on enclosed SIACP requirements (rev. v3.9). - Writing MAC command <0xB3>, Data length <6>, Data type <HEXA> (see below command example from above MAC code) <AA 0B B3 5C 36 B8 A8 9D CC 36 78>...

  • Page 18: Factory Menu

    See Appendix 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 19: White Balance

    新建文件夹 (3)Test and Alignment Specification for NT63 Series (v0 01) 170612 2.3. White Balance ▪ White Balance Touch-Up (Golden sample) As some color coordinates discrepancies can be noticed from panel batches to others, it may necessary to perform slight touch-up. For Color temperature adjustment, switch TV on leading HDMI input where should be connected suitable generator providing following format 1280x720p@60Hz test pattern.
  • Page 20 新建文件夹 (3)Test and Alignment Specification for NT63 Series (v0 01) 170612 Targets Tolerances COOL NORMAL WARM ALIGNMENT MEASUREMENT Coordinate “x” ± 0.003 ± 0.020 engineer Offered by R&D PQ Coordinate “y” ± 0.003 ± 0.020 Important: If measurements are performed on whatever else LED panel with Minolta CA210, it’s required to for “...
  • Page 21 新建文件夹 (3)Test and Alignment Specification for NT63 Series (v0 01) 170612 A password might be required in case of Parental Control function is locked, use default “1234” password or Note⑤: “0423” super password to clean-up existing ones if forgotten. Appendix ⑴ “How to upgrade SW FLASH using Blank upgrade” ➢...
  • Page 22 新建文件夹 (3)Test and Alignment Specification for NT63 Series (v0 01) 170612 ➢ After finish update SW, TV will reboot automatically and please remove USB key. ➢ Remember to perform “Factory menuReset ALL“ and “Factory menuReset Shop“, and then press RCU “OK/►”...
  • Page 23 ➢ Go to “Factory menuOther Update CI+ CredentialUpdate From USB“ and then press RCU “OK/►” The “Valid” flag should now be enabled (turns to “Yes”), “Custom Code” should display “TCL” and “Serial Num.” field should update with Key number. ➢...
  • Page 24 新建文件夹 (3)Test and Alignment Specification for NT63 Series (v0 01) 170612 ➢ Go to “Factory menuUSB Clone && Update ESN Key Upgrade“ and then press RCU “OK” key ➢ Remove USB stick If unfortunately the process failed, you may need to download new ESN key and repeat operation again. Note⑺: Appendix (7)“How to upgrade HDCP key &...
  • Page 25 新建文件夹 (3)Test and Alignment Specification for NT63 Series (v0 01) 170612 Appendix (9) “Network Connection Setup” :You can set up your TV so that it can access the Internet through your local area network (LAN) using a Note⑨ wired or wireless connection. ▪...
  • Page 26 新建文件夹 (3)Test and Alignment Specification for NT63 Series (v0 01) 170612 ➢ Press “Option” on the remote control and select “Option SettingsNetworkInternet connection”. Then press “OK/►” key to select “On”. Wait until the connection is automatically established. ➢ Select “Option SettingsNetworkConnection test”, then press “OK/►” to check the Internet connectivity.
  • Page 27 新建文件夹 (3)Test and Alignment Specification for NT63 Series (v0 01) 170612 note⑪: You can select “Later” if you don’t want to download software now. Select “Download”, software will be download automatically. The download progress will be shown in the ➢ lower right corner: note⑫: Please follow the instructions on TV if download or update failed.
  • Page 28 新建文件夹 (3)Test and Alignment Specification for NT63 Series (v0 01) 170612 note⑬: You can select “Later” if you don’t want to update now. While you select “Never”, the dialog will not be shown until another new software is detected. ➢ Select “Update”, TV will update automatically.
  • Page 29 新建文件夹 (3)Test and Alignment Specification for NT63 Series (v0 01) 170612 software: note⑮: You can select “Later” if you don’t want to download software and if you select the “Never”, the dialog will not be shown until another new software is detected. ➢...
  • Page 30 新建文件夹 (3)Test and Alignment Specification for NT63 Series (v0 01) 170612 3- Reset Shop submenu Item Sub-item Value Note Press “OK►” key to remove Factory presets (channel Maps, Reset bargraph context…) and restore > Shop User settings. adjustments are not impacted! 4-White Balance submenu Item Sub-item...
  • Page 31 新建文件夹 (3)Test and Alignment Specification for NT63 Series (v0 01) 170612 “◄►” key B point value by pressing 000..100 “◄►” key K value by pressing “◄►” 000..100 5- Other submenu Item Sub-item Value Note Select watch dog ON or OFF by WatchDog Watch dog ON/OFF...
  • Page 32 新建文件夹 (3)Test and Alignment Specification for NT63 Series (v0 01) 170612 Preset Factory Preset TV Channel Channel 8-Power on Mode submenu Item Sub-item Value Note Select starting sequence pressing “◄►” key Power on - ON: Force TV to start Mode -STB: Force TV to standby LAST - Last: Force TV to standby or to...

  • Page 33: Power Supply Block Diagram

    6. Power Supply Block Diagram...

  • Page 34: Chassis Block Diagram

    5. Chassis Block Diagram...
  • Page 35 POWER RB130 RB124 SGND CB118 RB125 CYB3 RB126 HSB3 DB111 DB110 RB127 Vbridge RB122 TB101 CB119 RB131 和散热片之间 RB141 DB102+ ZB103 ZB104 QB101 EB104 RB136 RB170 DB103 RB142 DB102 RB171 RB132 EB105 RB135 SGND DB106 SGND RB156 RB172 RB173 RB174 RB175 CB109 RB133...
  • Page 36 CD28 5V_STB TEST 功率电感 NC/10uF-0805-X5R-±20%-16V 3V3_STB ,Power Inductor,6.8uH,±20%,1.3A,0.23×1P,DR4.5×3.2,SMD,CD43-6.8UH,wenshan 5V_STB 0.1uF-0402-X5R-±20%-16V CL43 CL44 3300pF-0402-X7R-±10%-50V 1.8_EMMC 15Kohm-0402-±1%-1/16W RD15 TEST CD14 CD15 CD19 1.5V_DDR 10Kohm-0402-±1%-1/16W RD16 NC/10uF-0603-X5R-±20%-6.3V 1.5V_DDR 10uF-0603-X5R-±20%-6.3V GND/ADJ VOUT1 1.8_EMMC RD17 CD26 CD35 10uF-0603-X5R-±20%-6.3V STR_ON 0.1uF-0402-X5R-±20%-16V 3V3_STB VIN1 VOUT1 NC/0.1uF-0402-X5R-±20%-16V 22uF-0603-X5R-±20%-6.3V TEST CD16 RD18...
  • Page 37 U 27G PANEL_EN_IC GPC_0/STSIN0_CLK/INT_1/I2C_MB_SDA PCM_A0_IC GPB_2/CI_HA0/CI_ALE0/ARM_UART_D_RX/I2C_M GPC_1/STSIN0_VALID/INT_2/I2C_MB_SCL PCM_A1_IC GPB_3/CI_HA1/CI_ALE/I2S_IN_BCLK/NAND_D1 GPC_2/STSIN0_START/INT_3/I2C_MC_SDA PCM_A2_IC GPB_4/CI_HA2/USB2_PWEN/NAND_D2 GPC_3/STSIN0_DATA/INT_4/I2C_MC_SCL PCM_A3_IC GPB_5/CI_HA3/USB3_PWEN/NAND_D3 U 27B PCM_A4_IC GPB_6/CI_HA4/FRC_DIMMING1/DSU_BRE/LEONDS AC17 HDMI3_CLKN_IC PCM_A5_IC U 27C RXC_CLK- GPB_7/CI_HA5/FRC_DIMMING2/DSU_ACT/LEONDS GPA_0/TSI1_ERR/STSI0_ERR/I2C_MA_SDA M H L_C BU S AB17 HDMI3_CLKP_IC PCM_A6_IC TSO_CLK STBC_GPI_15/MHL_CBUS RXC_CLK+ GPB_8/CI_HA6/AMBI_SPI_CLK/DSU_TX/LEONDSU GPA_1/TSI1_CLK/STSI1_CLK/I2C_MA_SCL RXO0_N RXE0_N AA18...
  • Page 38 3V3_M 3V3_STB BS0_I C BS3_IC BS4_IC 3V3_STB BS8_IC NC/10Kohm-0402-±5%-1/16W BS9_IC BS12_IC 10Kohm-0402-±5%-1/16W LED_OUT_IC BS15_IC 10Kohm-0402-±5%-1/16W NC/10Kohm-0402-±5%-1/16W BS19_IC NC/10Kohm-0402-±5%-1/16W 10Kohm-0402-±5%-1/16W BS20_IC NC/10Kohm-0402-±5%-1/16W 10Kohm-0402-±5%-1/16W NC/10Kohm-0402-±5%-1/16W 10Kohm-0402-±5%-1/16W NC/10Kohm-0402-±5%-1/16W 10Kohm-0402-±5%-1/16W NC/10Kohm-0402-±5%-1/16W R24 10Kohm-0402-±5%-1/16W NC/10Kohm-0402-±5%-1/16W 10Kohm-0402-±5%-1/16W 10Kohm-0402-±5%-1/16W NC/10Kohm-0402-±5%-1/16W 10Kohm-0402-±5%-1/16W NC/10Kohm-0402-±5%-1/16W 3V3_STB 1.8_EMMC U 27I VDD33_STBC VDD_EMMC 短路...
  • Page 39 EMMC_VIO EMMC_CMD NC/10Kohm-0402-±5%-1/16W EMMC_nRST 47Kohm-0402-±5%-1/16W EMMC_DQS 客供 芯片 EMMC FLASH ,IC EMMC FLASH,SMD,THGBMDG5D1LBAIL,TCL,Toshiba 1.5V_DDR U 27A D D R _A_0 AC 2 D D R _D Q 1L_0 M A0 D Q 16 D D R _A_1 D D R _D Q 1L_1...
  • Page 40 HDMI1_RX2P HDMI1_RX2P OUT1 HDMI1_RX2N HDMI1_RX2N OUT2 HDMI1_5V HDMI1_RX1P HDMI1_RX1P OUT3 HDMI1_RX1N HDMI1_RX1N OUT4 DH12 管 ,DIO ESD,0.4pF,19V,DFN2510-10L,SMD,ESD5304D-10/TR,Willsemi HDMI1_RX0P HDMI1_RX0P HDMI1_RX2P OUT1 HDMI1_HPD RX2+ HDMI1_RX0N HDMI1_RX0N OUT2 HDMI1_RX2N RX2- HDMI1_CLKP HDMI1_CLKP HDMI1_RX1P OUT3 DH11 RX1+ HDMI1_CLKN HDMI1_CLKN OUT4 HDMI1_HPDIN_IC HDMI1_RX1N RX1- 管...
  • Page 41 NC/5pF-0402-NPO-±5%-50V NC/5pF-0402-NPO-±5%-50V RXOC_N CL30 插座 NC/FFC ,FFC connector,51Pin,D0.5,Bottom,lock,SMD,CT RXOC_P CL31 VCC_PANEL VCC_PANEL RXEC_N CL32 VCC_PANEL RXEC_P CL33 VCC_PANEL 3V3_STB NC/1000pF-0402-X7R-±10%-50V NC/5pF-0402-NPO-±5%-50V 10Kohm-0402-±5%-1/16W NC/1000pF-0402-X7R-±10%-50V NC/5pF-0402-NPO-±5%-50V 27pF-0402-NPO-±5%-50V 1Kohm-0402-±5%-1/16W 470ohm-0402-±5%-1/16W 1000pF-0402-X7R-±10%-50V CNF2 RK41 LED_R RXE4_P LED_OUT_IC RK51 IR_IN_IC RXE4_N RXE3_P RXE3_N CK18 CK110 RXE3_P RXEC_P RXE3_N...
  • Page 42 SPDIF_OUT_IC SPDIF COAX 33pF-0402-NPO-±5%-50V 220ohm-0402-±5%-1/16W IR Transmitter COAX SPDIF NC/120ohm-0402-±1%-1/16W COAX 5V_M NC/0.1uF-0402-X5R-±20%-16V COAX NC/220pF-0402-NPO-±5%-50V AV/YPbPr_L NC/AVLC18S02003 0ohm-0402-±5%-1/16W AV/YPbPr_R RI10 AV/YPbPr_L AV/YPbPr_L_IN_IC 端子 、 、 NC/RCA ,AV3,V,Black White Red,D14,DIP,RCA-339H-EP-02,CS RI12 光纤端子 ,OPTICAL,V,DIP,C-182500211-00,VAST NC/AVLC18S02003 COAX NC/1000pF-0402-X7R-±10%-50V 10Kohm-0402-±5%-1/16W 10Kohm-0402-±5%-1/16W 黑 NC/AV1-8.4-7( 2.2uF-0402-X5R-±20%-6.3V RI16 AV/YPbPr_R AV/YPbPr_R_IN_IC...
  • Page 43 5V_M 5V_USB AVU1 5V_USB VBUS USB2_DM USB2_DM USB2_DM_IC USB2_DP 10uF-0805-X5R-±20%-16V 5V_STB VCC_WIFI USB2_DP USB2_DP_IC 10uF-0805-X5R-±20%-16V WIFI_DP USB3_DP USB3_DP_IC OUT2 NSMD110(1206-1.1A) 0ohm-0402-±5%-1/16W WIFI_DM USB3_DM USB3_DM_IC STDA_SSRX- OUT1 2R2ohm-0402-±1%-1/16W 10uF-0805-X5R-±20%-16V STDA_SSRX+ 2R2ohm-0402-±1%-1/16W 0.1uF-0402-X5R-±20%-16V NC/DLP11SN900HL2 0ohm-0402-±5%-1/16W GND_DRAIN STDA_SSTX- 铝电解电容 ,CAP AL,10V,470uF,±20%,P,WH,2.5mm,6.3×11,DIP,TP,AiSHi 0ohm-0402-±5%-1/16W STDA_SSTX+ 5V_STB 5V_USB 2R2ohm-0402-±1%-1/16W...
  • Page 44 NC/0ohm-0603-PCB DSB5845-220M-LF 肖特基二极管 10uF-0805-X5R-±20%-16V ,DIO SBD S,1A,40V,DO-214AC,SMD,SS14W,WILLAS 陶瓷电容 10uF-0805-X5R-±20%-16V ,CAP MC,25V,10uF,±10%,X7R,1206,SMD,TP 0.1uF-0402-X5R-±20%-16V 1uF-0603-X5R-±10%-25V 陶瓷电容 ,CAP MC,25V,10uF,±10%,X7R,1206,SMD,TP RZ12 短路 CZ12 3V3_Tun LNB_PW 10Kohm-0402-±5%-1/16W 10Kohm-0402-±5%-1/16W 47pF-0402-NPO-±5%-50V RT5047 CZ11 CS23 CS24 100pF-0402-NPO-±5%-50V LNB_EN_IC LNB_SEL_IC COMP DISEQC_IC TONE 100ohm-0402-±5%-1/16W RZ10 100ohm-0402-±5%-1/16W 100ohm-0402-±5%-1/16W 肖特基二极管 4K7ohm-0402-±5%-1/16W ,DIO SBD S,1A,40V,DO-214AC,SMD,SS14W,WILLAS 肖特基二极管...
  • Page 45 3300pF-0402-X7R-±10%-50V 2.2uF-0402-X5R-±20%-6.3V 1Kohm-0402-±5%-1/16W 音频功放 470ohm-0402-±5%-1/16W 2.2uF-0402-X5R-±20%-6.3V 1Kohm-0402-±5%-1/16W ,IC Headphone AMP,Class AB,2×20mW@2.3V@32ohm,TSSOP-14,SMD,AD22653B-QH14NAR,ESMT 470ohm-0402-±5%-1/16W 8K2ohm-0402-±5%-1/16W 1500pF-0402-X7R-±10%-50V 33Kohm-0402-±5%-1/16W 3300pF-0402-X7R-±10%-50V 8K2ohm-0402-±5%-1/16W 1500pF-0402-X7R-±10%-50V 33Kohm-0402-±5%-1/16W RA51 RA67 磁珠 ,BEAD,1000ohm,0402,100mA,SMD,TP,CBW100505U102T,FH RA68 磁珠 CA36 ,BEAD,1000ohm,0402,100mA,SMD,TP,CBW100505U102T,FH RA52 RA69 NC/0.1uF-0402-X7R-±10%-16V 18Kohm-0402-±1%-1/16W CI12 RA17 RA15 HP_AUOUTR_IC 2K2ohm-0402-±5%-1/16W RA60 RINN HP_OUT_R 27Kohm-0402-±1%-1/16W ROUT CA28 CA20...
  • Page 46 5V_M 5V_CI R109 5V_CI 0ohm-0402-±5%-1/16W 10uF-0805-X5R-±20%-16V 0.1uF-0402-X5R-±20%-16V PCM_IOSI16 PCM_REG_N 10Kohm-0402-±5%-1/16W PCM_A14 PCM_A14_IC 100ohm-0402-±5%-1/16W 10Kohm-0402-±5%-1/16W PCM_A13 PCM_A13_IC 100ohm-0402-±5%-1/16W PCM_WE_N 10Kohm-0402-±5%-1/16W PCM_A12 PCM_A12_IC 100ohm-0402-±5%-1/16W 10Kohm-0402-±5%-1/16W PCM_A11 PCM_A11_IC 100ohm-0402-±5%-1/16W PCM_IORD_N 10Kohm-0402-±5%-1/16W PCM_A10 PCM_A10_IC 100ohm-0402-±5%-1/16W 5V_CI 5V_CI PCM_A9 PCM_A9_IC 100ohm-0402-±5%-1/16W CN11 PCM_IOWR_N PCM_A8 PCM_A8_IC 100ohm-0402-±5%-1/16W PCM_A7 PCM_A7_IC...

  • Page 47: Troubleshooting

    10. Trouble Shooting—— No Picture No Picture Check input picture Check Q601/Q600 Check signal and source working condiction P602/2 2 7/28/29/30 P601_1/2/3/4 Check UDF1,UDJ1,UDC1 =12V? Check Panal_vcc output Check 0V9 & 1V5 & 3V3 Check keypoints 5V Check panel to confirm Check CS01 Check reset and crystal Check UD1...
  • Page 48 10. Trouble Shooting—— No Sound No Sound Check input sound signal is ok? Check speaker and connector is ok? Check the audio amplifier power is 12V ? Check PSU output Check the audio amplifier power voltage is 3v3? Replace PSU to confirm Normal the voltage Check UA01 output pin to LA02/LA03/LA04/LA05? Of LA02/LA03/...
  • Page 49 10. Trouble Shooting—— Abnormal Picture Abnormal picture Check input picture signal and source is ok? Upgrade software and select right Check the LVDS or FFC connector is ok ? Project ID number according to BOM Check software version and project id number? Check U12 and LVDS output circuit ,such as resistance and PCB layout via circuit ? Replace the main board to confirm?
  • Page 50 10. Trouble Shooting—— Network Fault(wired) Can’t access the internet Check the LAN and cable connections is ok? Access wired setting can it get IP address Check LAN Server success ? Check UN2 pin1&2&3&6&7&8 voltage ? ----------------------------------------------------- Normal condition: The voltage at 2.5V Replace the US1 to confirm Replace UN2 to confirm Replace main board to confirm...
  • Page 51 10. Trouble Shooting— Network Fault(wireless) Can’t access the internet Check the wireless router I s ok? Access wireless setting turn on wireless Make sure that it connects to a Switch , can it fine the wireless network? Wireless network success? Check main board and WIFI module connect is Check wireless server Replace the WIFI module to confirm...

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