Hisense HX32N2170WTS Service Manual
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Hisense HX32N2170WTS Service Manual

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LCD Television
Service Manual
MSD6486T(CVTE)
TV Chassis :
Chassis：
MSD6486T(CVTE)
HX32N2170WTS
HX39N2170WTS
HX40N2170NWTS
HX43N2170WTS
HX49N2170WTS
TV produce：
HX55K305FWTS
......
Version: V 1.01
Hisense Electric Co.，Ltd.
January, 2018,

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Summary of Contents for Hisense HX32N2170WTS

  • Page 1 LCD Television Service Manual MSD6486T(CVTE) TV Chassis : Chassis： MSD6486T(CVTE) HX32N2170WTS HX39N2170WTS HX40N2170NWTS HX43N2170WTS HX49N2170WTS TV produce： HX55K305FWTS …… Version: V 1.01 Hisense Electric Co.，Ltd. January, 2018,...
  • Page 2 REVISION HISTORY Version Revise content Reviser Date V1.00 First issued 2017-01-06 V1.01 Add board: MS6486.758 &board Zhang Shujuan 2018-1-29 MS6486.PC759 configure - 2 -...

  • Page 3: Table Of Contents

    Contents Contents ..................................- 3 -  Service Manual ................................- 4 -  1. Precautions and notices ............................. - 4 -  1.1 Warning ..............................- 5 -  1.2 Notes ............................... - 7 -  2. TV boards: ..............................- 10 -  2.1 Main board layout ..........................- 10 -  2.5 TV boards part list ..........................

  • Page 4: Service Manual

    USE OF NON-AUTHORIZED PARTS WILL VOID THE MANUFACTURE'S WARRANTY Proper service and repair is important to the safe, reliable operation of all Hisense Equipment. The service procedures recommended by Hisense and described in this Service Guide are effective methods of performing service operations. Some of these service operations require the use of tools specially designed for the purpose.

  • Page 5: Warning

    Ref. No. in the parts list. Use of non-manufacturer's recommended parts may create shock, fire, or other hazards. Under no circumstances should the original design be modified or altered without written permission from RCA. Hisense Eassumes no liability, express or implied, arising out of any unauthorized modification of design.
  • Page 6 To prevent electrical shock, use only a properly grounded 3 prong outlet or extension cord. 1.1.4 When replacement parts are required, be sure to use replacement parts specified by the manufacturer or have the same characteristics as the original part. Unauthorized substitutions may result in fire, electric shock, or other hazards and will void the manufacturer's warranty.

  • Page 7: Notes

    > In an area where any water could enter or splash into the unit. High humidity and water could damage the product and cause fire. (3) If a foreign substance (such as water, metal, or liquid) gets inside the panel module, immediately turn off the power.
  • Page 8 safety of the product and the servicing work. Be sure to follow these instructions. • Before starting the work, secure a sufficient working space. • At all times other than when adjusting and checking the product, be sure to turn OFF the POWER Button and disconnect the power cable from the power source of the TV during servicing.
  • Page 9 abnormality in the soldered areas. • Do not stack the circuit boards. Failure to observe this precaution may result in problems resulting from scratches on the parts, the deformation of parts, and short-circuits due to residual electric charge. • Perform a safety check when servicing is completed. Verify that the peripherals of the serviced points have not undergone any deterioration during servicing.

  • Page 10: Tv Boards

    2. TV boards: 2.1 Main board layout 2.1.1 The top of complex board (TP.MS6486T.PB753) ○ ○ ○ ○ ○ ○ ○ - 10 -...
  • Page 11 2.1.2 The top of complex board (TP.MS6486T.PB732) - 11 -...
  • Page 12 2.1.3 Terminals configure: DVB-S2,HDMI*3, No MHL,USB*2,Optical - 12 -...
  • Page 13 2.2.1 The top of complex board (TP.MS6486T.PB758) - 13 -...
  • Page 14 2.2.2 TP.MS6486T.PB758 Terminals configure-1：DVB-S/S2,HDMI*3, USB*2,optial TP.MS6486T.PB758 Terminals configure-2：DVB-S2 ,HDMI*3, USB*2,Optial - 14 -...
  • Page 15 2.3.1 The top of complex board (TP.MS6486T.PB759) MS6486T.PB759 Terminals configure-1: No DVB-S2,HDMI*3, No MHL,USB*2, Optical MS6486T.PB759 Terminals configure-2: DVB-S2,HDMI*3, No MHL,USB*2, Optical - 15 -...

  • Page 16: Tv Boards Part List

    2.5 TV boards part list TV produce： Complex PCB Part name HX32N2170WTS COMPLEX board： MSD6486\ PB732\ HX32N2170WTS HX39N2170WTS COMPLEX board：\TP.MS6486T.PB753\HX39N2170WTS HX40N2170NWTS COMPLEX board：\TP.MS6486T.PB753\HX40N2170NWTS HX43N2170WTS COMPLEX board：\TP.MS6486.PB753\HX43N2170WTS HX49N2170WTS COMPLEX board：\TP.MS6486.PC759\HX49N2170WTS HX55K305FWTS \T.MS6486.758\HX55K305FWTS COMPLEX board： - 16 -...

  • Page 17: Factory/Service Osd Menu And Adjustment

    3. Factory/Service OSD Menu and Adjustment 3.1 Remote Control Note: Only for reference, logo and button silk-screen can vary for customer. - 17 -...

  • Page 18: How To Enter The Factory Osd Menu

    3.2 How to enter the Factory OSD Menu . With user’s RC 1. Power TV on 2. Press button on the RC then call up “Menu” option 3 Select Settings ->Sound-> Advanced setting -> Balance 4 When Balance is “0” , Input 1->9->6->9 in sequence on RC. Note: It is important to remind that the hand fingers can’t shield the RC emitter diode.
  • Page 19 Next Sound-> Advanced setting -> Balance Next： Balance Input “1969” in sequence, when balance is “0”. When Balance is “0” ,Enter figure “1->9->6->9” in sequence with remote control.. - 19 -...

  • Page 20: Factory Osd Menu

    3.3 Factory OSD Menu Factory OSD menu list: if you want to learn more about TV, you’d better read it but would not adjust the value please. The Factory menu may be has difference for diverse market and customer. - 20 -...
  • Page 21 Factory menu Description Remark White Balance data adjusting, different White Balance source has different WB values. Before adjusting, please change to desired source. channel init TV Produce signal preset, during the factory produce using. Option can choose Clear all intialize the factory signal ，EEPROM reset auto color adjust with Component and VGA Automatic channels.
  • Page 22 huangdao old Channel init Qing Dao TV Produce signal preset, during the factory produce using. huangdao new …… - 22 -...
  • Page 23 "M" used in factory product. ToFAC Option "U" used in exit factory state, Not all,the chassis that must support the satellite signal for example: Europe TV :13V，18V，OFF； LNB POWER Japan：15V country choose count y language choose Language region logo choose Logo remember mode/Power on mode/standby mode power mode...
  • Page 24 3.2.1 White Balance: Different source has different WB values. Before adjusting, please change to desired source. Option: Clear all function in it. Write Key Include: HDCP 1.4 HDCP 2.2 Widevine Netflix Note: The factory menu date varies according to different sources. Incase changing the factory data by error, you can choose to “Clear all”, by which you can resume the default value.

  • Page 25: Software Upgrading

    4. Software Upgrading 4.1 USB Upgrading Main software upgrading directly with USB When TV has print message, the main software can be upgraded with USB Disk. Take HX49N2170WTS example.  First, copy the main software “HX49N2170WTS.bin” file to the USB root Disk. ...

  • Page 26: Mstar Tool Upgrading

    TV’s CN7(earphone hole). As following Note: Service must use CVTE update debug tool, can’t use Hisense debug tool of. If use Hisesen update debug tool,the Security IC Device ID will appear error (not 22 bit) 4 pin Connect to the...
  • Page 27 4.2.2 Mstar USB-serial driver First use Mstar bebug Tool, and you have to install drive software for bebug board. If your PC is Windows XP system: First install FTCUNIN.EXE of FTC100103(MSTAR) rar file in your PC. This is a drive software of Mstar Another: If your PC is Win7 system, you will have to install CDM20802_Setup_WIN7 rar file，and then open the software of SecureCRT in your PC.
  • Page 28 2）deciphering ● Use MST_260C_D01A_Secure tool ,run MSTV_Tool.exe，Click "Show DeviceID"button to inspect the Device ● Click “View” -> “Open DebugPort” choose “3rd generation input”， input the ID password from the IC developer then click “Run” - 28 -...
  • Page 29 3) Burn the romboot.bin software. ● With MSTV_Tool_4161 tool ,click Help -> Product Key Input “prognand then click “OK” button. ● Click View -> NAND Prognand(8051) . in the bouncing windows, load the specified five files from MST_260C_D01A_Secure catalogue to the left blank space.
  • Page 30 ● Run SecureCRT, appearing the print information;copy the main software rename “MstarUpgrade.bin.” to the USB root Disk, ensure there are no other “*.bin” files in the root directory of USB Disk ;behind the “mstar >>#” ,input lower-case letter “cu” then “enter” to update the main software. ●...

  • Page 31: Signal Process

    5. Signal process: - 31 -...
  • Page 32 6. Trouble shooting 7. Schematic diagram : - 32 -...

  • Page 33: Trouble Shooting

    TP.MS6486T.PB753 TP.MS6486T.PB753 Trouble Shooting Trouble Shooting Power supply Power supply — — Display Display — — Audio Audio — — Function Function — — Author : Author : xiongfei xiongfei Checked By Checked By ： ： POWER Author : Lin Wentian Checked By POWER Author :...
  • Page 34 1. Power circuit diagram 19V/24V/ Output Rectifie 32V/50V filter filter input output AC/DC Output Power convertor filter power amplifier、 The main IC、 Screen voltage output and so on Feed back 19V/24V/ LED driver 32V/50V output BL_ON PWM_REF PWM_DIM...
  • Page 35 2.Power Supply Trouble 1 Non output, IR indicator light slake Check if 12V、19V（24V/ 32V/50V） output normal Check the power Change damaged Check if FB 1 Open components components damage or not Change short Check EMI open or L N short components Check if EB1 voltage about √2Vac...
  • Page 36 3.Power supply for LED drive IR indicator light up but backlight slake Check if LED output cable is connect correction Check PWM_DIM&PWM_REF& BL_ON Control signal Increase Check if LED check is part of check is all of brightness/check output the brightness is the brightness is if Sampling short/open...
  • Page 37 4. Power supply Trouble 1、 Check power supply 1、Check CD2 for 12V 1、Check CD13 for 5V 1、check the circuit of UD1； 2、check CL7 for 3.3V 2、check the circuit of UL1. 3、check CD16 for 1.1V_VDDC 3、check the circuit of UD2. 1、check the circuit of UD3. 1、check CD24 for 1.5V 1、POWER ON and Check CM4 for 5V...
  • Page 38 5. Display Trouble(abnormal screen) Check if the LVDS cable is right and if well connected with the board 1、Reconnect the cable; 2、Change the LVDS cable Check if the LCD panel is OK Change panel Check if between the LVDS jack and MSD6486XTAT are well soldered Repair the damage circuit...
  • Page 39 6. Display Trouble(white screen) Check the power supply for panel Check the LVDS Check the switch signal on the G- signal from pole of QM1 MSD6486XTAT Repair control circuit for QM2、 Change MSD6486XTAT Check QM1 or Change the panel change QM1 or the LVDS cable...
  • Page 40 7. Display Trouble(black screen) Check BL_EN Signal(3.3V) Change software or change MSD6486XTAT Check the PWM/ADJ singnal Change software or change MSD6486XTAT Check the power supply for inverter...
  • Page 41 8. Audio Trouble(no sound) Check if audio signal Input is normal Repair external Check if the volume is rightly set or if audio equipment mute function is off Set it rightly Check if the output signal on the pin 1 & pin4 of CN10 is normal Repair the speaker Check pin15,16,27,28of UA1/...
  • Page 42 9. Function Trouble(ATV ) No channel be find Check the RF cable for RF signal repair external RF equipment Check the Pin18/Pin24 of UT1 for 3.3V. 1、Repair the power net connecting to this pin 2、change UT1 Check the RT16 & RT17 for I2C data Repair I2C net Check the RT10 &...
  • Page 43 10. Function Trouble(DTV ) No channel be find Check the RF cable for RF signal repair external RF equipment Check the LT11 For 3.3V change the LT11 Check the RS1 & RS2 for I2C data Repair I2C net Check the RS3、RS4、 RS5、RS6 for IF signal Repair the Tuner &...
  • Page 44 11. Function Trouble(HDMI, YPbPr, CVBS) HDMI no signal 1. HDMI terminal is badly soldered 2. DDC setting is wrong and reset it 3. Change MSD6486XTAT 1. YPbPr no signal CVBS no signal 2. YPbPr missing colors 1. Repair the front end 1.
  • Page 45 10ohm-0402-¡ À 5 %-1/16W 10ohm-0402-¡ À 5 %-1/16W 0.1uF-0402-X5R-¡ À 2 0%-16V 0.1uF-0402-X5R-¡ À 2 0%-16V SWPA6045S4R7MT SWPA6045S4R7MT NC/SWPA8040S2R2NT NC/SWPA8040S2R2NT 5V_STB EN/SYNC CD26 +1.1V_VDDC EN/SYNC 5V_STB 5V_M NC/? CD28 RD10 RD11 CD10 NC/10uF-1206-X5R-¡ À 1 0%-16V CD29 NC/10uF-1206-X5R-¡ À 1 0%-16V 0.1uF-0402-X5R-¡...
  • Page 46 5V_STB XTALO 客供 主芯片 ,IC Main Chip,SMD,MSD6486XTAT-8-009N, 海 信 ,Mstar HDMIA_R0N_IC SYSTEM_RST A_RX0N HDMIA_R0P_IC A_RX0P HDMIA_R1N_IC A_RX1N LINE_IN_1L PC_LIN_IC XTALI HDMIA_R1P_IC A_RX1P LINE_IN_1R PC_RIN_IC HDMIA_R2N_IC AV_L_IC A_RX2N LINE_IN_2L HDMIA_R2P_IC AV_R_IC A_RX2P LINE_IN_2R 2.2uF-0402-X5R-¡ À 2 0% -6.3V HDMIA_RCKN_IC SC_LIN_IC A_RXCN LINE_IN_3L 100Kohm-0402-¡...
  • Page 47 NAND-RBZ&EMMC-CLK NAND-REZ&EMMC-D4 +3.3V_NAND&EMMC +3.3V_NAND&EMMC EMMC-CMD EMMC-D5 NAND-CEZ&EMMC-D0 NAND-WEZ&EMMC-D6 NAND-WPZ&EMMC-D1 EMMC-D7 NAND-CLE&EMMC-D2 NC0/VCC NC28/VSS EMMC-D3 EMMC-RST NC1/VSS NC27 RESET NC26 NC25 +3.3V_NAND&EMMC VDD_IF +3.3V_NAND&EMMC NAND-D7 VDD_IF 4*0ohm-0402-¡ À 5 %-1/16W NC5/R/B2 NAND-D6 VDD_IF NAND-RBZ&EMMC-CLK NAND-D5 VDD_IF NAND-REZ&EMMC-D4 NAND-D4 NAND-D0 PCM_A0&NAND_D0 VDD_IF NAND-CEZ&EMMC-D0 NAND-D1 PCM_A1&NAND_D1...
  • Page 48 3V3_STB WIFI_RST 5V_STB WIFI_RST 5V_STB 12V WIFI_WAKE PVCC WIFI_WAKE R12V RK15 RK18 VCC_Panel LED_R RK19 WIFI_DP WIFI_DP IR_DAT_IC 3V3_STB RK20 IR_DAT_IC LED_R_ON_IC LED_R_ON_IC WIFI_DM WIFI_DM 0ohm-0805-¡ À 5 %-1/8W NC/0ohm-0805-¡ À 5 %-1/8W 5V_WIFI 5V_WIFI 4K7ohm-0402-¡ À 5 %-1/16W NC/0.1uF-0402-X5R-¡ À 2 0%-16V 100ohm-0402-¡...
  • Page 49 HDMIA_5V RPH1 HDMIA_R2P HDMIA_R2P HDMIA_R2P_IC RX2+ HDMIA_R2N HDMIA_R2N_IC HDMIA_R2N HDMIA_R1P HDMIA_R1P_IC RX2- HDMIA_R1P HDMIA_R1N HDMIA_R1N_IC HDMIA_5V 10Kohm-0402-¡ À 5 %-1/16W HDMIA_5V ARC_DET_IC RX1+ 10Kohm-0402-¡ À 5 %-1/16W HDMIA_R1N 22ohm-0402-¡ À 5 %-1/16W RX1- HDMIA_R0P 22ohm-0402-¡ À 5 %-1/16W RX0+ HDMIA_R0N RPH2 10Kohm-0402-¡...
  • Page 50 5V_STB NC/4K7ohm-0402-¡ À 5 %-1/16W NC/4K7ohm-0402-¡ À 5 %-1/16W 100ohm-0402-¡ À 5 %-1/16W 100ohm-0402-¡ À 5 %-1/16W VGA_SDA TXD0/VGA_SDA_IC TXD0/VGA_SDA_IC VGA_SCL RXD0/VGA_SCL_IC RXD0/VGA_SCL_IC VGA_SDA VGA_SCL 连接插座 ,connect jack,4Pin,D2.0,D,L=2.8mm,DIP,AMA AV_IN AV_IN_IC AV_IN_IC CI12 YPbPr_Y YPbPr_Y_IC NC/SFI0402-240E-2R5PP-LF YPbPr_Y_IC NC/56pF-0402-NPO-¡ À 5 %-50V SFI0402-240E-2R5PP-LF 75ohm-0402-¡...
  • Page 51 W_5VU0 W_DM0 5V_CI CN17 W_DP0 5V_M 5V_CI W_GU0 VPP1 VPP2 CN18 5V_USB PCM_D0 PCM_D1 PCM_CE_N 0ohm-0402-¡ À 5 % -1/16W USB0_DM USB0_DM_IC CE1# USB0_DM_IC 5V_CI PCM_D2 10uF-0603-X5R-¡ À 2 0% -6.3V USB0_DP USB0_DP_IC 5V_USB 5V_M CE2# USB0_DP_IC PCM_D3 NC/10uF-0603-X5R-¡ À 2 0% -6.3V PCM_D4 PCM_CD2_N 0.1uF-0402-X5R-¡...
  • Page 52 3V3_Tun_T RFT1 CT39 0.1uF-0402-X5R-¡ À 20%-16V 叠层电感 ,,HF Inductor,39nH,¡ À 5%,0402,SMD,SDCL1005C39NJTDF,Sunlord 470pF-0402-X7R-¡ À 10%-50V 1.2pF-0402-NPO-¡ À 0.25pf-50V 220pF-0402-NPO-¡ À 5%-50V 180pF-0402-NPO-¡ À 5%-50V GZ1005U102CTF(1000ohm-300mA) 顺络 顺络 SDCL1005CR27JTDF( NC/SDCL1005CR27JTDF( SDCL1005C2N7STDFM01 SDCL1005CR18JTDF(180nH-0402¡ À 5%-C) SDCL1005CR18JTDF(180nH-0402¡ À 5%-C) GZ1005U102CTF(1000ohm-300mA) SDCL1005CR18JTDF(180nH-0402¡ À 5%-C) 0.022uF-0402-X7R-¡ À 10%-16V 0.047uF-0402-X7R-¡...
  • Page 53 AMP_MUTE_IC AMP_MUTE AMP_MUTE_IC CA13 10uF-0805-X5R-¡ À 20%-16V NC/SFI0402-240E-2R5PP-LF 0.1uF-0402-X5R-¡ À 20%-16V ℃ 编带 4K7ohm-0402-¡ À 5%-1/16W 470uF-16V¡ À 20%-10¡ Á 1 2-105 -F=5.0-XL 4K7ohm-0402-¡ À 5%-1/16W 10uF-0805-X5R-¡ À 20%-16V NC/0.1uF-0402-X5R-¡ À 20%-16V HP_R_IC PH-AROUT HP_R_IC AVCC HP_L_IC PH-ALOUT HP_L_IC 10ohm-0402-¡ À 5%-1/16W DV10 DV11 RA14...
  • Page 54 下接 带锁 翻盖 60PIN-0.5-L-M- -G-XFE 下接 带锁 翻盖 60PIN-0.5-L-M- -G-XFE RG33 NC/3K3ohm-0402-¡ À 1 %-1/16W 厚膜电阻 XDP2 ,RES,1/16W,3.3Kohm,¡ À 1 %,0402,SMD RG34 RG52 RG53 ST_B2 RG54 ST_B1 RG55 RG38 RG37 NC/0ohm-0402-¡ À 5 %-1/16W LC2_P RG35 0ohm-0402-¡ À 5 %-1/16W NC/0ohm-0402-¡...
  • Page 55 功率电感 ,Power Inductor,10uH,¡ À 20%,2.45A,DR6.0*4.5,SMD,SWPA6045S100MT,Sunlord 肖特基二极管 ,DIO SBD S,3A,40V,SMA,SMD,SK34A-TR,GOOD-ARK VCC_Panel D216 AVDD LX/AVDD AVDD VCC_Panel 短路 PWM-SCL M_SCL RG109 RS10 M_SCL 短路 CG10 PWM-SDA M_SDA M_SDA NC/0ohm-0402-PCB 10uF-0805-X5R-¡ À 20%-16V ME2325-G V3D3 NC/0ohm-0402-¡ À 5%-1/16W RG111 0ohm-0402-¡ À 5%-1/16W 10uF-0805-X5R-¡ À 20%-16V NC/0ohm-0402-PCB CG310 NC/1uF-0603-X5R-¡...
  • Page 56 反激线路 CB118 RB124 RB125 RB126 RB141 RB127 Vbridge T3.15AL 250V~ TB101 EB104 RB142 DB102 EB105 CYB1 TP-TDT CB120 RB123 RB143 CNB1 LCB2 LCB3 LCB1 SGND SGND Vbridge CB111 DB103 CB117 RB128 NTCB1 DB106 CNB2 BB101 NTCB2 DB101 SGND CYB2 SGND RB129 EB101 RB106...
  • Page 57 TP.MS6486T.PB753 TP.MS6486T.PB753 Trouble Shooting Trouble Shooting Power supply Power supply — — Display Display — — Audio Audio — — Function Function — — Author : Author : xiongfei xiongfei Checked By Checked By ： ： POWER Author : Lin Wentian Checked By POWER Author :...
  • Page 58 1. Power circuit diagram 19V/24V/ Output Rectifie 32V/50V filter filter input output AC/DC Output Power convertor filter power amplifier、 The main IC、 Screen voltage output and so on Feed back 19V/24V/ LED driver 32V/50V output BL_ON PWM_REF PWM_DIM...
  • Page 59 2.Power Supply Trouble 1 Non output, IR indicator light slake Check if 12V、19V（24V/ 32V/50V） output normal Check the power Change damaged Check if FB 1 Open components components damage or not Change short Check EMI open or L N short components Check if EB1 voltage about √2Vac...
  • Page 60 3.Power supply for LED drive IR indicator light up but backlight slake Check if LED output cable is connect correction Check PWM_DIM&PWM_REF& BL_ON Control signal Increase Check if LED check is part of check is all of brightness/check output the brightness is the brightness is if Sampling short/open...
  • Page 61 4. Power supply Trouble 1、 Check power supply 1、Check CD2 for 12V 1、Check CD13 for 5V 1、check the circuit of UD1； 2、check CL7 for 3.3V 2、check the circuit of UL1. 3、check CD16 for 1.1V_VDDC 3、check the circuit of UD2. 1、check the circuit of UD3. 1、check CD24 for 1.5V 1、POWER ON and Check CM4 for 5V...
  • Page 62 5. Display Trouble(abnormal screen) Check if the LVDS cable is right and if well connected with the board 1、Reconnect the cable; 2、Change the LVDS cable Check if the LCD panel is OK Change panel Check if between the LVDS jack and MSD6486XTAT are well soldered Repair the damage circuit...
  • Page 63 6. Display Trouble(white screen) Check the power supply for panel Check the LVDS Check the switch signal on the G- signal from pole of QM1 MSD6486XTAT Repair control circuit for QM2、 Change MSD6486XTAT Check QM1 or Change the panel change QM1 or the LVDS cable...
  • Page 64 7. Display Trouble(black screen) Check BL_EN Signal(3.3V) Change software or change MSD6486XTAT Check the PWM/ADJ singnal Change software or change MSD6486XTAT Check the power supply for inverter...
  • Page 65 8. Audio Trouble(no sound) Check if audio signal Input is normal Repair external Check if the volume is rightly set or if audio equipment mute function is off Set it rightly Check if the output signal on the pin 1 & pin4 of CN10 is normal Repair the speaker Check pin15,16,27,28of UA1/...
  • Page 66 9. Function Trouble(ATV ) No channel be find Check the RF cable for RF signal repair external RF equipment Check the Pin18/Pin24 of UT1 for 3.3V. 1、Repair the power net connecting to this pin 2、change UT1 Check the RT16 & RT17 for I2C data Repair I2C net Check the RT10 &...
  • Page 67 10. Function Trouble(DTV ) No channel be find Check the RF cable for RF signal repair external RF equipment Check the LT11 For 3.3V change the LT11 Check the RS1 & RS2 for I2C data Repair I2C net Check the RS3、RS4、 RS5、RS6 for IF signal Repair the Tuner &...
  • Page 68 11. Function Trouble(HDMI, YPbPr, CVBS) HDMI no signal 1. HDMI terminal is badly soldered 2. DDC setting is wrong and reset it 3. Change MSD6486XTAT 1. YPbPr no signal CVBS no signal 2. YPbPr missing colors 1. Repair the front end 1.
  • Page 69 10ohm-0402-¡ À 5 %-1/16W 10ohm-0402-¡ À 5 %-1/16W 0.1uF-0402-X5R-¡ À 2 0%-16V 0.1uF-0402-X5R-¡ À 2 0%-16V SWPA6045S4R7MT SWPA6045S4R7MT NC/SWPA8040S2R2NT NC/SWPA8040S2R2NT 5V_STB EN/SYNC CD26 +1.1V_VDDC EN/SYNC 5V_STB 5V_M NC/? CD28 RD10 RD11 CD10 NC/10uF-1206-X5R-¡ À 1 0%-16V CD29 NC/10uF-1206-X5R-¡ À 1 0%-16V 0.1uF-0402-X5R-¡...
  • Page 70 5V_STB XTALO 客供 主芯片 ,IC Main Chip,SMD,MSD6486XTAT-8-009N, 海 信 ,Mstar HDMIA_R0N_IC SYSTEM_RST A_RX0N HDMIA_R0P_IC A_RX0P HDMIA_R1N_IC A_RX1N LINE_IN_1L PC_LIN_IC XTALI HDMIA_R1P_IC A_RX1P LINE_IN_1R PC_RIN_IC HDMIA_R2N_IC AV_L_IC A_RX2N LINE_IN_2L HDMIA_R2P_IC AV_R_IC A_RX2P LINE_IN_2R 2.2uF-0402-X5R-¡ À 2 0% -6.3V HDMIA_RCKN_IC SC_LIN_IC A_RXCN LINE_IN_3L 100Kohm-0402-¡...
  • Page 71 NAND-RBZ&EMMC-CLK NAND-REZ&EMMC-D4 +3.3V_NAND&EMMC +3.3V_NAND&EMMC EMMC-CMD EMMC-D5 NAND-CEZ&EMMC-D0 NAND-WEZ&EMMC-D6 NAND-WPZ&EMMC-D1 EMMC-D7 NAND-CLE&EMMC-D2 NC0/VCC NC28/VSS EMMC-D3 EMMC-RST NC1/VSS NC27 RESET NC26 NC25 +3.3V_NAND&EMMC VDD_IF +3.3V_NAND&EMMC NAND-D7 VDD_IF 4*0ohm-0402-¡ À 5 %-1/16W NC5/R/B2 NAND-D6 VDD_IF NAND-RBZ&EMMC-CLK NAND-D5 VDD_IF NAND-REZ&EMMC-D4 NAND-D4 NAND-D0 PCM_A0&NAND_D0 VDD_IF NAND-CEZ&EMMC-D0 NAND-D1 PCM_A1&NAND_D1...
  • Page 72 3V3_STB WIFI_RST 5V_STB WIFI_RST 5V_STB 12V WIFI_WAKE PVCC WIFI_WAKE R12V RK15 RK18 VCC_Panel LED_R RK19 WIFI_DP WIFI_DP IR_DAT_IC 3V3_STB RK20 IR_DAT_IC LED_R_ON_IC LED_R_ON_IC WIFI_DM WIFI_DM 0ohm-0805-¡ À 5 %-1/8W NC/0ohm-0805-¡ À 5 %-1/8W 5V_WIFI 5V_WIFI 4K7ohm-0402-¡ À 5 %-1/16W NC/0.1uF-0402-X5R-¡ À 2 0%-16V 100ohm-0402-¡...
  • Page 73 HDMIA_5V RPH1 HDMIA_R2P HDMIA_R2P HDMIA_R2P_IC RX2+ HDMIA_R2N HDMIA_R2N_IC HDMIA_R2N HDMIA_R1P HDMIA_R1P_IC RX2- HDMIA_R1P HDMIA_R1N HDMIA_R1N_IC HDMIA_5V 10Kohm-0402-¡ À 5 %-1/16W HDMIA_5V ARC_DET_IC RX1+ 10Kohm-0402-¡ À 5 %-1/16W HDMIA_R1N 22ohm-0402-¡ À 5 %-1/16W RX1- HDMIA_R0P 22ohm-0402-¡ À 5 %-1/16W RX0+ HDMIA_R0N RPH2 10Kohm-0402-¡...
  • Page 74 5V_STB NC/4K7ohm-0402-¡ À 5 %-1/16W NC/4K7ohm-0402-¡ À 5 %-1/16W 100ohm-0402-¡ À 5 %-1/16W 100ohm-0402-¡ À 5 %-1/16W VGA_SDA TXD0/VGA_SDA_IC TXD0/VGA_SDA_IC VGA_SCL RXD0/VGA_SCL_IC RXD0/VGA_SCL_IC VGA_SDA VGA_SCL 连接插座 ,connect jack,4Pin,D2.0,D,L=2.8mm,DIP,AMA AV_IN AV_IN_IC AV_IN_IC CI12 YPbPr_Y YPbPr_Y_IC NC/SFI0402-240E-2R5PP-LF YPbPr_Y_IC NC/56pF-0402-NPO-¡ À 5 %-50V SFI0402-240E-2R5PP-LF 75ohm-0402-¡...
  • Page 75 W_5VU0 W_DM0 5V_CI CN17 W_DP0 5V_M 5V_CI W_GU0 VPP1 VPP2 CN18 5V_USB PCM_D0 PCM_D1 PCM_CE_N 0ohm-0402-¡ À 5 % -1/16W USB0_DM USB0_DM_IC CE1# USB0_DM_IC 5V_CI PCM_D2 10uF-0603-X5R-¡ À 2 0% -6.3V USB0_DP USB0_DP_IC 5V_USB 5V_M CE2# USB0_DP_IC PCM_D3 NC/10uF-0603-X5R-¡ À 2 0% -6.3V PCM_D4 PCM_CD2_N 0.1uF-0402-X5R-¡...
  • Page 76 3V3_Tun_T RFT1 CT39 0.1uF-0402-X5R-¡ À 20%-16V 叠层电感 ,,HF Inductor,39nH,¡ À 5%,0402,SMD,SDCL1005C39NJTDF,Sunlord 470pF-0402-X7R-¡ À 10%-50V 1.2pF-0402-NPO-¡ À 0.25pf-50V 220pF-0402-NPO-¡ À 5%-50V 180pF-0402-NPO-¡ À 5%-50V GZ1005U102CTF(1000ohm-300mA) 顺络 顺络 SDCL1005CR27JTDF( NC/SDCL1005CR27JTDF( SDCL1005C2N7STDFM01 SDCL1005CR18JTDF(180nH-0402¡ À 5%-C) SDCL1005CR18JTDF(180nH-0402¡ À 5%-C) GZ1005U102CTF(1000ohm-300mA) SDCL1005CR18JTDF(180nH-0402¡ À 5%-C) 0.022uF-0402-X7R-¡ À 10%-16V 0.047uF-0402-X7R-¡...
  • Page 77 AMP_MUTE_IC AMP_MUTE AMP_MUTE_IC CA13 10uF-0805-X5R-¡ À 20%-16V NC/SFI0402-240E-2R5PP-LF 0.1uF-0402-X5R-¡ À 20%-16V ℃ 编带 4K7ohm-0402-¡ À 5%-1/16W 470uF-16V¡ À 20%-10¡ Á 1 2-105 -F=5.0-XL 4K7ohm-0402-¡ À 5%-1/16W 10uF-0805-X5R-¡ À 20%-16V NC/0.1uF-0402-X5R-¡ À 20%-16V HP_R_IC PH-AROUT HP_R_IC AVCC HP_L_IC PH-ALOUT HP_L_IC 10ohm-0402-¡ À 5%-1/16W DV10 DV11 RA14...
  • Page 78 下接 带锁 翻盖 60PIN-0.5-L-M- -G-XFE 下接 带锁 翻盖 60PIN-0.5-L-M- -G-XFE RG33 NC/3K3ohm-0402-¡ À 1 %-1/16W 厚膜电阻 XDP2 ,RES,1/16W,3.3Kohm,¡ À 1 %,0402,SMD RG34 RG52 RG53 ST_B2 RG54 ST_B1 RG55 RG38 RG37 NC/0ohm-0402-¡ À 5 %-1/16W LC2_P RG35 0ohm-0402-¡ À 5 %-1/16W NC/0ohm-0402-¡...
  • Page 79 功率电感 ,Power Inductor,10uH,¡ À 20%,2.45A,DR6.0*4.5,SMD,SWPA6045S100MT,Sunlord 肖特基二极管 ,DIO SBD S,3A,40V,SMA,SMD,SK34A-TR,GOOD-ARK VCC_Panel D216 AVDD LX/AVDD AVDD VCC_Panel 短路 PWM-SCL M_SCL RG109 RS10 M_SCL 短路 CG10 PWM-SDA M_SDA M_SDA NC/0ohm-0402-PCB 10uF-0805-X5R-¡ À 20%-16V ME2325-G V3D3 NC/0ohm-0402-¡ À 5%-1/16W RG111 0ohm-0402-¡ À 5%-1/16W 10uF-0805-X5R-¡ À 20%-16V NC/0ohm-0402-PCB CG310 NC/1uF-0603-X5R-¡...
  • Page 80 反激线路 CB118 RB124 RB125 RB126 RB141 RB127 Vbridge T3.15AL 250V~ TB101 EB104 RB142 DB102 EB105 CYB1 TP-TDT CB120 RB123 RB143 CNB1 LCB2 LCB3 LCB1 SGND SGND Vbridge CB111 DB103 CB117 RB128 NTCB1 DB106 CNB2 BB101 NTCB2 DB101 SGND CYB2 SGND RB129 EB101 RB106...

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