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Hisense LTDN50K3801UWTRU Service Manual Download Page 1

 

 

 

 

LCD Television 

Service Manual 

 

 

Chassis

：

 MT5MST6M40A                

 

 Product Type

：

LTDN50K3801UWTRU

、

LTDN50XT880XWT3D(1)

 

 

 

 

Ver 1.0 

               

    Hisense Electric Co.

，

Ltd. 

 

December

，

2014

 

 

 

 

 

 

 

 

 

Summary of Contents for LTDN50K3801UWTRU

Page 1: ...LCDTelevision Service Manual Chassis MT5651HROI MST6M40A Product Type LTDN50K3801UWTRU LTDN50XT880XWT3D 1 Ver 1 0 Hisense Electric Co Ltd December 2014...

Page 2: ...20 4 1 USB Software Upgrading directly 20 4 2 USB upgrading failure 21 4 3 Upgrading with the FlashTool0 6 0 exe 23 4 4 Network updating 26 5 Trouble shooting 31 5 1 Troubleshooting for Remote Control...

Page 3: ...ve methods of performing service operations Some of these service operations require the use of tools specially designed for the purpose The special tools should be used when and as recommended It is...

Page 4: ...sion from RCA Hisense Eassumes no liability express or implied arising out of any unauthorized modification of design Servicetech assumes all liability 1 1 2 All ICs and many other semiconductors are...

Page 5: ...orized substitutions may result in fire electric shock or other hazards and will void the manufacturer s warranty 1 1 5 Safety regulations require that after a repair the set must be returned in its o...

Page 6: ...e product it may cause fire or electric shock 5 Do not pull out or insert the power cable from to an outlet with wet hands It may cause electric shock 6 Do not damage or modify the power cable It may...

Page 7: ...he power board start servicing at least 2 minutes after the main power has been turned off While the main power is on do not touch any parts or circuits other than the ones specified If any connection...

Page 8: ...the serviced points have not undergone any deterioration during servicing Also verify that the screws parts and cables removed for servicing purposes have all been returned to their proper locations...

Page 9: ...9 2 Product Function Specifications 2 1 TV Front and Rear LTDN50K3801UWTRU TV Front...

Page 10: ...10 TV Rear...

Page 11: ...11 LTDN50XT880XWT3D 1 TV Front...

Page 12: ...12 TV Rear...

Page 13: ...13 2 2 Main board 5784 The top Note The terminal function of main board can refer to the TV Rear instruction page 10 or page 12...

Page 14: ...n Resolution Panel LVDS cable LTDN50K3801UWTRU MB RSAG2 908 5784 ROH PB RSAG2 908 5687 26 ROH 3840 2160 HE500HU B01 S1 HX2 2X25KLB500 LG 1 ROH LTDN50XT880XWT3D 1 MB RSAG2 908 5784 ROH PB RSAG2 908 490...

Page 15: ...15 2 3 Spec LTDN50K3801UWTRU...

Page 16: ...16 LTDN50XT880XWT3D 1...

Page 17: ...function menu Press VOL VOL button adjust values in the menu b With user s RC 1 Power TV On 2 Press Menu button and call up User OSD Menu 3 Select Audio Balance when Balance is 0 4 Enter 1 9 6 9 in se...

Page 18: ...refabricate 3 2 3 Factory Option Item Default Options Notes 1 MODE M M U M Can enter factory mode with factory RC or user RC U Can enter factory mode only with user s RC Note MODE M is only used for f...

Page 19: ...ial Query CI Credential 3 2 4 Firmware Note The factory menu date varies according to different sources Incase changing the factory data by error you can choose to Clean Protected by which you can res...

Page 20: ...B Press VOL button to clear the EEPROM data C Close the OSD menu after 5 seconds D Restart the TV Last After the operation above all necessarily Re search the channels for the users 4 1 USB Software U...

Page 21: ...bin to the Nand Flash Hardware connecting Connect the unit to your pc with a USB to serial port cable USB port connects to your PC and serial port to the TV s RS232 port As following 4 2 1 Install th...

Page 22: ...22 Select the default value the driver will be installed step by step...

Page 23: ...lation After Connect the unit to your pc with a USB to serial port cable run FlashTool0 6 0 exe Please refer to the following steps to set How to choose Communicate port and flash baud rate See the fo...

Page 24: ...picture COM4 is connected to the TV so select COM4 and if COM6 is connected to the TV so select COM6 Select the right baud rate according to chip model For this unit chip model is MT5651 select 11520...

Page 25: ...ing dialog box Load Bin File find the upgrading program file and select it for example HIS_5651_m1v2_oceania_secure_nandboot bin Press Upgrade button and start upgrading if update defeat try again Sel...

Page 26: ...is validated Auto Upgrade When it is set to on Turn on automatic check whether or not have any new updating file in servers when connects to the network Customer can download and update according to t...

Page 27: ...27 Figure 2 Figure 3 Check new version then bounce the following Figure 4...

Page 28: ...28 Select update to downloading Figure 5 After verify bounce dialog to select yes to sure to update the firmware Waiting Figure 6...

Page 29: ...nding following interface that indicates firmware update is sussessful Figure 7 Figure 8 Upgrade successfully power off and restart TV can bounce following prompt message otherwise upgrade is defeat F...

Page 30: ...30 2 Auto upgrade Auto upgrade and Network have little difference only in figure 4 As following Auto Upgrade Network upgrade figure 2...

Page 31: ...hen there is something wrong with your TV you can try turning off the TV and then restart it You can also operate according to the follow chart If the problems still cann t be solved please contact th...

Page 32: ...ol Remote control does not work Try new batteries Replace RC Check IR receiver Change Led IR board Change Led IR cable Replace main board Replace battery Replace remote control Replace Led IR BD Repla...

Page 33: ...g for Function Key Buttons does not work Check switches Check key board Check Key BD cable Change Key BD Replace main board Check solder connections and see if any switches are stuck Replace Key BD OK...

Page 34: ...r on Is LED light NO YES Check Power Output YES NO Check Power Cord Only one works Replace Main BD Try Power on by RC and Button Neither works Both Work Power on OK YES NO Replace Power BD YES NO RED...

Page 35: ...Troubleshooting for Audio No sound Check connecter Check speaker wire Replace main board Reconnect Replace speaker wire YES YES NO NO Check speaker set Replace speaker set YES NO OK YES NO Power Suppl...

Page 36: ...Troubleshooting for TV VGA HDMI input No picture on the screen Check Signal Source Check connect Check cable Replace main board Make sure signal source is available Reconnect Replace cable NO YES YES...

Page 37: ...Troubleshooting for YPbPr input No picture on the screen Check Source work or not Check connect Check Wires Green Blue Red Replace main board Check Source Device Reconnect Replace wires NO YES YES NO...

Page 38: ...re on the screen Check Source work or not Check connect Check Cable Wires Replace main board Check Signal Source Reconnect Replace Cable Wires NO YES YES NO YES NO 6 Signals Block Diagram and power as...

Page 39: ...T5651 KEY STRAPPING MT5651 RST 3 3VS VPA 12V_IN 3D Sync Modulator 5VS T C S2 TUNER 1 25V VCCK 12V S2 DEMO DDR3 5V E2PROM LD117 ADJ Hisense Electric Co LTD Title MP1482 S2 DEMO 1 2V AO3401L 12V PWR BEA...

Page 40: ...F IN USB Hub WiFi I2C0 LVDS OUT LVDS IN Speater_L Speater_R EarPhone EarPhone AV YPbPr VGA HDMI3 HDMI2 HDMI1 AV1 YPbPr VGA HDMI OUT HDMI IN SPDIF SPDIF I2C_TUNER AMP_1 TAS5707 AMP_2 TAS5711 V By 1 0 7...

Page 41: ...IR JTAG YPbPr1 RGB Eth UART CVBS SC SPEAKER OUT HPOUT SPEAKER AMP Block Diagram SCART_FS_SEL LOCAL_DIM_EN PWR_FAULT EMMC_RST ADIN0 LED_DX AMP_MUTE MEMC_ON OFF OPWM6 LED3 PHYAD3 LED2 PHYAD2 GPIO_10 GPI...

Page 42: ...PIO41 1 C460 10u 10V R480 10k R494 22R R29 20k C509 10u 10V NC C52 47p 50V NC N112 CXD2837ER T4 GPIO0 1 GPIO2 2 TSSYNC 3 TSVALID 4 TSCLK 5 VSS_6 6 DVDD_7 7 TSDATA0 8 TSDATA1 9 CVDD_10 10 VSS_11 11 TSD...

Page 43: ...TCON12 AG5 TCON13 AH4 TCON14 AH5 TCON15 AJ5 GPIO 3 UART1_RX E9 INT_R21 GPIO 41 AB29 INT_R20 GPIO 42 AA29 I2C_HSC_SCL VSYNC_Like3 AJ24 I2C_HSC_SDA VSYNC_Like2 AH24 GPIO 10 PWM_DIM_IN 0 AH25 GPIO 11 PW...

Page 44: ...DQL0 VDDQ DQL2 DQSL VSSQ DQL6 DQSL VREFDQ VDDQ DQL4 NC VSS RAS VDD CAS NC CS WE BA0 BA2 VDD A3 A0 A5 A2 VDD A7 A9 DQU4 VDDQ VSS DQSU DQU6 VSSQ DQSU DQU2 VDDQ DQU0 VSSQ VDD DML VSSQ VDDQ DQL1 DQL3 VSSQ...

Page 45: ...AF13 VSS AG13 VSS AH13 VSS AJ13 VSS B14 VSS F14 VSS G14 VSS H14 VSS J14 VSS K14 VSS L14 VSS M14 VSS N14 VSS P14 VSS R14 VSS T14 VSS U14 VSS V14 VSS W14 VSS Y14 VSS AC14 VSS AD14 VSS AE14 VSS AF14 VSS...

Page 46: ..._6M40 17 19 20 DVDD3V3 2 OSDA0 OSCL0 VBY10N_TX 18 VBY10P_TX 18 VBY8N_TX 18 VBY8P_TX 18 VBY11N_TX 18 VBY11P_TX 18 VBY9N_TX 18 VBY9P_TX 18 VBY0N_TX 18 VBY0P_TX 18 VBY1N_TX 18 VBY1P_TX 18 VBY2N_TX 18 VBY...

Page 47: ...M18PG330SN1D NC C23 22p 50V NC R23 100k C42 10u 10V NC C489 100n 16V 5VS R3 4 7k C217 1u 16V 3V3 V4 MMBT3904LT1 1 2 3 R32 10k C10 22u 16V C484 1u 16V R543 1k NC R21 10k C320 100u 16V R10 1 8k NC C45 1...

Page 48: ...TD 1 0 PERIPHERAL MT5325 A3 Friday November 08 2013 C93 27p 50V R84 1k C64 4 7u 10V C88 10n 50V R710 18k NC R88 4 7k C91 10n 50V C60 100n 16V C78 100n 16V NC R72 10k C85 4 7u 10V VD1 1N4148W 1 2 C80 1...

Page 49: ...ocument Number Rev Date Sheet of 4 17 Hisense Electric Co LTD 1 0 GPIO AD ETHERNET PHY MT5325 A3 Friday November 08 2013 Title Size Document Number Rev Date Sheet of 4 17 Hisense Electric Co LTD 1 0 G...

Page 50: ...2 W11 NC93 W12 NC94 W13 NC95 W14 NC96 Y1 NC97 Y3 NC98 Y6 NC99 Y7 NC100 Y8 NC101 Y9 NC102 Y10 NC103 Y11 NC104 Y12 NC105 Y13 NC106 Y14 NC107 AA1 NC108 AA2 NC109 AA8 NC110 AA9 NC111 AA11 NC112 AA12 NC113...

Page 51: ...RP2 22R C125 100n 16V NC RP9 22R R135 1k C428 22u 6 3V C131 100n 16V MT5651_0928 N3A RDQ0 C1 RDQ1 H3 RDQ2 D3 RDQ3 H2 RDQ4 C2 RDQ5 J1 RDQ6 B1 RDQ7 J2 RDQ8 J4 RDQ9 F5 RDQ10 H4 RDQ11 E4 RDQ12 H5 RDQ13 G3...

Page 52: ...mber Rev Date Sheet of MT5325 VGA INPUT 1 0 Hisense Electric Co LTD 17 7 A3 Friday November 08 2013 Title Size Document Number Rev Date Sheet of MT5325 VGA INPUT 1 0 Hisense Electric Co LTD 17 7 A3 Fr...

Page 53: ...ic Co LTD 17 8 A2 Friday November 08 2013 Title Size Document Number Rev Date Sheet of MT5325 YPBPR AV INPUT 1 0 Hisense Electric Co LTD 17 8 A2 Friday November 08 2013 C179 1u 10V R179 100R XS5 SIGNA...

Page 54: ...sense Electric Co LTD 17 9 A3 Friday November 08 2013 Title Size Document Number Rev Date Sheet of MT5651 AUDIO IN OUT SPDIF OUT 1 0 Hisense Electric Co LTD 17 9 A3 Friday November 08 2013 Title Size...

Page 55: ...S12U020R2 R504 47R R550 0R XS13 DC1R019JB1 DATA2 _0 1 DATA2S 2 DATA2 _2 3 DATA1 _3 4 DATA1S 5 DATA1 _5 6 DATA0 _6 7 DATA0S 8 DATA0 _8 9 CLK _9 10 CLKS 11 CLK _11 12 CEC 13 NC 14 SCL 15 SDA 16 CEC GND_...

Page 56: ...N 4 AVDD1V2 2 8 10 12V 2 13 16 17 GPIO08 4 13 TX_AE3PH 13 TX_AE3NH 13 TX_AECKPH 13 TX_AECKNH 13 TX_AO3PH 13 TX_AO3NH 13 TX_AO4PH 13 TX_AO4NH 13 TX_AE0PH 13 TX_AE0NH 13 TX_AE1PH 13 TX_AE1NH 13 TX_AE4PH...

Page 57: ...16 17 IF_AGC_H 8 18 5V 2 5 6 7 8 9 10 12 15 16 17 12V 2 12 13 16 17 FAT_IN 8 OSCL0 3 11 16 17 OSDA0 3 11 16 17 FAT_IN 8 DVDD3V3 2 3 5 11 12 16 17 GPIO07 12 13 GPIO08 12 13 DFAT_IN 18 DFAT_IN 18 TUNER...

Page 58: ...5 A3 Friday November 08 2013 Title Size Document Number Rev Date Sheet of 15 17 Hisense Electric Co LTD 1 0 USB WIFI MT5325 A3 Friday November 08 2013 C343 2 2u 10V NC R184 100k C522 100n 16V C349 10u...

Page 59: ...N1 R285 2 2R NC R261 33R C271 4 7u 10V V23 1 2 3 R295 0R C236 470n 50V C255 1u 25V R249 470R VD13 1N4148W 1 2 C248 33n 50V C243 33n 50V R302 18k VD10 1N4148W 1 2 C261 47n 16V C231 10n 50V NC C233 470n...

Page 60: ...7 100n 16V R681 47k R457 0R C404 4 7n 50V R468 10k L67 BLM18PG121SN1 C247 47n 16V R271 4 7k NC C400 1n 50V NC R455 0R C736 10u 25V C398 1n 50V NC C443 1u 16V R489 33R C390 1u 25V C250 47n 16V L95 BLM1...

Page 61: ...08 P0V80502 P0V81002 P0V83002 P0V90502 P0V90602 P0V90802 P0VD90401 P0VD90601 P0XP80405 P0XP80406 P0XP80501 P0XP80502 P0XP80508 P0XP805012 P0XP80603 P0XP80904 P0XP81001 P0XP81002 P0XP81008 P0C80902 P0C...

Page 62: ...PC817B N893 1K R931 4K7 R930 4K7 R929 104 50V C928 C 2 B 1 E 3 BCP56 10T1G C 4 V903 47uF 25V C852 VCC 10uF 25V C853 474 NC C855 474 50V C856 BRI BLSW NCP1608 FB 1 CTRL 2 Ct 3 CS 4 5 DRV 7 6 Vcc 8 Zcd...

Page 63: ...1 1 1 RSAG2 908 4903 07 RSAG2 908 5784...

Page 64: ......

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