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TCL 39S62 Service Manual
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TCL 39S62 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
39S62/NT63EP2-LA

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  • Page 1 SERVICE MANUAL 39S62/NT63EP2-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/NT63EP2-LA/AJ9W01 Version：1.0 Issued On: 2017-08-24 Basic Information Sound Product Type LED FHD Smart DTV Speakers Integrated speakers (Bottom side) NT63EP2-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 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 R22B R06B Q02B CORE0V9 BT3904 SBU : C07B 0.1U 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 DRAWN Index-Lab DATE NAME DESCRIPTION Last modif...
  • Page 36 I2S_MCLK CVBS_RIN ADIN_R0 GPD_12/I2S_OUT_A_MCLK I2S_BCLK GPD_11/I2S_OUT_A_BCLK CVBS_LIN I2S_LRCK ADIN_L0 GPD_10/I2S_OUT_A_WS I2S_DATA GPD_9/I2S_OUT_A_DATA VGA_R ADIN_R1 VGA_G TVDAC_OUT ADIN_L1 GPD_27/SPDIF_IN SPDIF_OUT SOG_1 GPD_28/SPDIF_OUT YPBPR_PR SCART1_R_PR VGA_B YPBPR_Y NT72563M2 SCART1_G_Y DACOUT_R0 SOG_0 DACOUT_R0 AUDIO/IF VGA_HS SOG_0 DACOUT_L0 VGA_VS DACOUT_L0 YPBPR_PB SCART1_B_PB DACOUT_R1 S2_IP DACOUT_R1 SCART0_Y DACOUT_L1...
  • Page 37 MxL661 Tuner TU_3V3 VDD_1V8 100K CT14 0.01U X16M CT13 1U TU_3V3 TU_3V3 33NH RT52 RT53 0.1U VDD_3P3A CLK_OUT TUN2 CT22 8.2NH TU-SDA1 RT16 100R LT10 1000R TU-SDA 1000P LNA_INP 75 OHM Line 33NH 1000P RT15 TU-SCL1 LT11 1000R 100R LNA_INN TU-SCL CT18 TU_3V3...
  • Page 38 AMP AD72587 MAIN3V3 RA01 POWER_ON LA02 AMP_VCC RA03 AMP_RESET 22UH 100R CA02 0.1U RA02 CA01 CA23 1000P 0.1U AMP_SDA UA01 AD82587D CA22 AMP_SCL CA14 0.22U 0.1U VDDLA CA24 0.1U ERROR LA03 IIC Addr:0X60 SDATA 22UH LRCIN GNDL RA04 100R AMP_SDA RA05 100R CA15 0.47U...
  • Page 39 HDMI2&ARC RXB2+ R588 R587 RXB2- RXB1+ U516 R586 R585 RXB1- LINE1 P502 LINE2 RX2+ GND2 GND1 GND1 LINE3 AC17 RX2- RXC_CLK- AB17 LINE4 STBC_GPI_15/MHL_CBUS RXC_CLK+ RX1+ AA18 AZ1045-04F RXC_0- NT72563M2 AB18 RXC_0+ AA19 GND2 HDMI/MHL RXC_1- RXAC- AA11 AB19 RXA_CLK- RXC_1+ RX1- RXAC+...
  • Page 40 LVDS Out FHD/HD 60Hz NT72563M2 TXO0- TXE0- LVO_0- LVE_0- PANEL_VCC1 PANEL_VCC TXO0+ TXE0+ LVO_0+ LVDS LVE_0+ TXO1- TXE1- LVO_1- LVE_1- FFC PIN NAME PANEL_VCC TXO1+ TXE1+ LVO_1+ LVE_1+ PANEL_VCC TXO2- TXE2- LVO_2- LVE_2- PANEL_VCC TXO2+ TXE2+ LVO_2+ LVE_2+ PANEL_VCC C626 TXOC- TXEC- LVO_CLK-...
  • Page 41 RJ45 Jack ETHERNET_TD+ ETHERNET_TD- TS8121CLF TX1P LINE4 LINE3 TX1N Must be differential 100ohm GND1 GND2 LINE2 LINE1 ETHERNET_RD+ RX1P 0.1U ETHERNET_RD- RX1N 1000P PESD5V0S1BL 0.1U 0.01U 1000P TX1P TX1N RX1P RX1N...
  • Page 42 MAIN1V5 DDRS_A0 DDRS_DQ0 DQ16 DDRS_A1 DDRS_DQ1 DDRS_A0 DDRS_DM1 DQ17 DDRS_A2 DDRS_DQ2 DDRS_A1 DDRS_DQS1 DQ18 DQSU DDRS_A3 DDRS_DQ3 VDDQ DQU5 DQU7 DQU4 VDDQ DDRS_A2 DDRS_DQS1B DQ19 DQSU DDRS_A4 DDRS_DQ4 DDRS_A3 DQ20 DDRS_A5 DDRS_DQ5 VSSQ DQSU# DQU6 VSSQ DDRS_A4 DDRS_DQ8 DQ21 DQU0 DDRS_A6 DDRS_DQ6 DDRS_A5...
  • Page 43 eMMC R906 STBC_3V3 STBC_GPF_6_BS12_ STBC_GPG_27/STBC_UART_1_TX/ARM_UART_B_TX/ARM_UART_A_TX STBC_GPF_7_BS3_ STBC_GPG_28/STBC_UART_1_RX/ARM_UART_B_RX/ARM_UART_A_RX R907 close to eMMC close to eMMC STBC_GPF_8_BS4_ STBC_GPG_29/STBC_UART_0_TX/I2C_M0_SDA/I2C_S_SDA/SD_DAT0 STBC_GPG_30/STBC_UART_0_RX/I2C_M0_SCL/I2C_S_SCL/SD_DAT1 BL_ON_OUT STBC_GPG_3_BS18_IN_ STBC_GPG_14/I2C_M0_SDA WIFI_ON UF1(CPP) RF13 STBC_GPG_4_BS2_ STBC_GPG_15/I2C_M0_SCL LED_OUT SOC_VER_GPIO1 EMMC_VDD EMMC_CLK EMMC_D4 STBC_GPG_7/STBC_PWM_BS13_IN_ STBC_GPG_16/I2C_M1_SDA/MPLL_TEST/SD_DAT2 BS19 SOC_VER_GPIO2 STBC UART/I2C EMMC_CMD STBC_GPF_10_BS19_ STBC_GPG_17/I2C_M1_SCL/SD_DAT3 EMMC_D5 STBC_GPF_11_BS1_ EMMC_D0 EMMC_D6...
  • Page 44 USB2.0 Port U1031 USB5V WIFIVCC VOUT R1067 C1000 C1002 C1001 470U R1000 USB_EN USB5V D0- D0+ UGND 100R EN/EN# G524B1 R1001 P1000 USB_DP0 USB0_D+ R1010 USB_DM0 MAIN3V3 USB0_D- GPC_4/ARM_UART_B_TX/INT_5/ARM_UART_A_TX USB_DM0 R1002 GPC_5/ARM_UART_B_RX/INT_6/ARM_UART_A_RX DNEG USB_DP1 USB1_D+ R1011 USB_DM1 USB_DP0 R1013 USB1_D- DPOS USBx4 TU-SDA...
  • Page 45 VDD09_STBC CORE0V9 C208 C197 C201 C195 C206 C205 C200 C199 C198 C207 C193 C194 0.1U MAIN3V3 VDD33 0.1U 0.1U 0.1U 0.1U 0.1U 0.1U MAIN2V5 VDD25_TVADC 120R L1104 120R L1106 C175 C173 MAIN2V5 0.1U C192 C190 C188 C187 C213 C217 C218 0.1U 0.1U 0.1U...
  • Page 46 PANEL_ON GPC_0/STSIN0_CLK/INT_1/I2C_MB_SDA GPB_2/CI_HA0/CI_ALE0/ARM_UART_D_RX/I2C_MF_SDA/I2S_IN_WS/NAND_D0 NT72563M2 CI/TS GPC_1/STSIN0_VALID/INT_2/I2C_MB_SCL GPB_3/CI_HA1/CI_ALE/I2S_IN_BCLK/NAND_D1 GPC_2/STSIN0_START/INT_3/I2C_MC_SDA GPB_4/CI_HA2/USB2_PWEN/NAND_D2 GPC_3/STSIN0_DATA/INT_4/I2C_MC_SCL GPB_5/CI_HA3/USB3_PWEN/NAND_D3 GPB_6/CI_HA4/FRC_DIMMING1/DSU_BRE/LEONDSU_BRE/OPROC_DSU_BRE/NAND_D4 GPB_7/CI_HA5/FRC_DIMMING2/DSU_ACT/LEONDSU_ACT/NAND_D5 GPA_0/TSI1_ERR/STSI0_ERR/I2C_MA_SDA GPB_8/CI_HA6/AMBI_SPI_CLK/DSU_TX/LEONDSU_TX/OPROC_DSU_TX/NAND_D6 GPA_1/TSI1_CLK/STSI1_CLK/I2C_MA_SCL GPB_9/CI_HA7/AMBI_SPI_DO/DSU_RX/LEONDSU_RX/OPROC_DSU_RX/NAND_D7 GPA_2/PTSIN1_VALID/STSIN1_VALID/I2C_MB_SDA/PTSIN2_VALID GPB_10/CI_HA8/AMBI_SPI_CS/DSU_EN/LEONDSU_EN/NAND_RE# GPA_3/PTSIN1_START/STSIN1_START/I2C_MB_SCL/PTSIN2_START GPB_11/CI_HA9/FR_PWM/LED_VS_OUT/NAND_CLE GPA_4/PTSIN1_D0/STSIN1_DATA/I2C_MC_SDA/PTSIN2_D0 GPB_12/CI_HA10/TENSILICA_TCK/USB0_PWEN/AMBI_SPI_DI/NAND_ALE GPA_5/PTSIN1_D1/I2C_MC_SCL/PTSIN2_D1 GPB_13/CI_HA11/TENSILICA_TMS/USB1_PWEN/AMBI_SPI_DI/NAND_WE# GPA_6/PTSIN1_D2/I2S_IN_DATA/I2C_MD_SDA/PTSIN2_D2 GPB_14/CI_HA12/TENSILICA_TDO/LED_PWM_0/LED_SPI_STT_HSC_SDA/NAND_WP# GPA_7/PTSIN1_D3/I2S_IN_WS/I2C_MD_SCL/PTSIN2_D3 GPB_15/CI_HA13/TENSILICA_TDI/LED_PWM_1/LED_SPI_DI/HSC_SCL/NAND_RB# GPA_8/PTSIN1_D4/I2S_IN_MCLK/DEMOD_QLED/PTSIN2_D4 GPB_16/CI_HA14/TENSILICA_TRST/LED_PWM_2/LED_SPI_CLK/LED_YDIO/NAND_CE_0# GPA_9/PTSIN1_D5/I2S_OUT_A_DATA/PTSIN2_D5 GPA_10/PTSIN1_D6/I2S_OUT_A_WS/PTSIN2_D6 GPB_17/CI_HAD0/I2S_OUT_B_MCLK/LED_PWM_3/LED_SPI_DO GPA_11/PTSIN1_D7/I2S_OUT_A_BCLK/PTSIN2_D7 GPB_18/CI_HAD1/I2S_OUT_B_BCLK/LED_PWM_4/LED_SPI_CS_0 GPB_19/CI_HAD2/I2S_OUT_B_WS/LED_PWM_5/LED_SPI_CS_1/LED_SPI_STT/HSC_SDA GPB_20/CI_HAD3/I2S_OUT_B_DATA/LED_PWM_6/LED_SPI_CS_2LED_SPI_DI_HSC_SCL GPB_21/CI_HAD4/I2S_OUT_C_MCLK/LED_PWM_7/LED_SPI_CS_3 GPB_22/CI_HAD5/I2S_OUT_C_BCLK/3D_IR/3D_BT/3D_ACTIVE GPA_12/PTSIN2_ERR/DEMODOUT_ERR/I2S_OUT_A_MCLK/CI_CD_1#/PTSIN2_CLK GPB_23/CI_HAD6/I2S_OUT_C_WS/LR0_DELAY GPA_13/PTSOUT_CLK/PTSIN2_CLK/DEMODOUT_CLK/RFAGC_VSYNC/S2_AGC...

  • 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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Nt63ep2-la