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2. 

Product Specifications 

 

2.1 Main board layout 

2.1.1 1Main board: 5645 
Take LHD32K160NAMN 

LTDN48K20DAM main board

5645

for example: 

Top: 

 

 

 

 

USB 

HDMI 

VGA 

HDMI 

HDT V INPUT 

Tuner 

MSD6308

Flash 

Confident

Summary of Contents for K160 series

Page 1: ...LCDTelevision Service Manual Chassis MSD6308 Product N10 series LHD24N10NAM LHD32N10NAM K160 series LHD32K160NAMN K20 series LTDN48K20DAM Ver 1 0 Hisense Electric Co Ltd December 20 2013...

Page 2: ...u and Adjustment 13 3 1 How to enter the Factory OSD Menu 13 3 2 Factory OSD Menu 14 4 Software updating 17 4 1 Write boot software to nand flash 17 4 2 Upgrading main software with Tftpd32 securecrt...

Page 3: ...ial tools should be used when and as recommended It is important to note that this manual contains various CAUTIONS and NOTICES which should be carefully read in order to minimize the risk of personal...

Page 4: ...modified or altered without written permission from Hisense Hisense assumes no liability express or implied arising out of any unauthorized modification of design Serviceman assumes all liability 1 1...

Page 5: ...pecified by the manufacturer or have the same characteristics as the original part Unauthorized substitutions may result in fire electric shock or other hazards 1 1 5 Safety regulations require that a...

Page 6: ...e the product it may cause fire or electric shock 6 Do not disconnect or connect the connector while power to the product is on It takes some time for the voltage to drop to a sufficiently low level a...

Page 7: ...Button and disconnect the power cable from the power source of the TV during servicing To prevent electric shock and breakage of PC board start the servicing work at least 30 seconds after the main po...

Page 8: ...n problems resulting from scratches on the parts the deformation of parts and short circuits due to residual electric charge Routing of the wires and fixing them in position must be done in accordance...

Page 9: ...esence of uninsulated dangerous voltage within the products enclosure that may be of sufficient magnitude to constitute a risk of electric shock The exclamation point within an equilateral triangle is...

Page 10: ...2 Product Specifications 2 1 Main board layout 2 1 1 1Main board 5645 Take LHD32K160NAMN LTDN48K20DAM main board 5645 for example Top USB HDMI VGA HDMI HDT V INPUT Tuner MSD6308 Flash C o n f i d e n...

Page 11: ...11 Bottom C o n f i d e n t...

Page 12: ...12 2 1 2 Main board 5650 Take LHD24N10NAM LHD32N10NAM main board 5650 for example Top Bottom RSAG7 820 5650 C o n f i d e n t...

Page 13: ...MO 3 ROH RSAG7 820 5645 RSAG7 820 5023 LTDN48K20DAM HD480DF B37 HX2 2x22KLB500P HS 6 ROH RSAG7 820 5645 RSAG7 820 5482 3 Factory Service OSD Menu and Adjustment 3 1 How to enter the Factory OSD Menu W...

Page 14: ...14 3 2 Factory OSD Menu The Factory OSD Menu comprises Factory Menu and Design menu 3 2 1 Factory Menu White balance Option C o n f i d e n t...

Page 15: ...15 Init Version C o n f i d e n t...

Page 16: ...16 3 2 2 Design Menu Note The above Factory Service OSD Menus are reference only please refer to the actual unit to determine the appearances C o n f i d e n t...

Page 17: ...can update the software through a special tool as following Connect the Debug board to the TV use the RS232 4 pin the other USB port to the PC 4 1 2 Mstar Tool MSTV_Tool exe to write boot 1 Power on...

Page 18: ...18 3 Choose Eagle Nugget NAND program And then a dialog window will show as below C o n f i d e n t...

Page 19: ...isdb nugget boot CreatRomBoot_050B_256x1 RomBoot bin DRAM Script button Load supernova target isdb nugget boot CreatRomBoot_050B_256x1 MIU init sequence DDR3_16_8X_CL11_1600_050B_1T_TOOL bin txt txt...

Page 20: ...software with Tftpd32 securecrt a Run Tftpd32 exe Browse the Base Directory file _dtv a7 Settings as following late click OK b Run Securecrt exe to set up a serical section Select File Connect New sec...

Page 21: ...er on the TV at the same time press enter key you will see mstar on the Securecrt interface the following image Next input set ipaddr 192 168 5 200 set serverip 192 168 5 211 saveenv then press enter...

Page 22: ...has finished the TV OSD appears following Note2 1 Serverip 192 168 5 211 is PC LAN IP address When update the main software 2 you must replace you PC IP address with 192 168 5 211 and net mask with 2...

Page 23: ...ET 3 Press Menu button of remote control and call up Factory OSD Menu choose OPTION Software Update USB item Detail see 3 1 How to enter the Factory OSD Menu 4 Press the key on RC it will show a confi...

Page 24: ...n not update successfully or TV can not power on normally You will adopt the force update method Insert the USB disk with USBUpgrade bin into the U SB slot of the TV AC power on the TV at the moment p...

Page 25: ...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 26: ...ction 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 YES YES...

Page 27: ...ED 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 BLUE Pane...

Page 28: ...ooting 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 Supply Board C...

Page 29: ...hooting 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 NO NO C...

Page 30: ...hooting 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 YES NO C...

Page 31: ...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 Circuit instruction 6 1 Power assign and blo...

Page 32: ...33 7 Schematic circuit diagram 8 Explode View C o n f i d e n t...

Page 33: ..._L R X3 AV AV_OUT L R_OUT PANEL LVDS IF1 IF2 IF TAS5727 L R L_OUT R_OUT EEPROM 32KBITS I2C SPI FLASH 16MBITS NAND_FLASH 2GBITS MOS 12V 12V 5V_STB 2A TPS54328 5VAIN 3A PWR ON OFF 12V TAS5727 AMS1117 3...

Page 34: ...C19 10u 16V C212 8 2n 50V C15 10u 16V C231 100n 16V N7 TPS54528 VIN 8 EN 1 VRG5 3 SS 4 GND 5 VFB 2 VBST 7 SW 6 EPAD 9 C732 22u 6 3V R11 4 7k C215 1n 50V NC R250 100k L56 BLM21PG220SN1D NC R22 0R L53...

Page 35: ...AVDD_MOD N10 AVDD_PLL N9 AVDD_DRAM A17 AVDD_DRAM B17 GND_EFUSE R13 GND H18 GND H8 GND H6 GND G7 GND G8 GND G15 GND G18 GND E15 GND E18 GND F15 GND F18 GND C15 GND C18 GND D15 GND D18 GND A15 GND A18 G...

Page 36: ...te Sheet of Hisense Electric Co Ltd No 11 Jiangxi Road Qingdao China WWW HISENSE COM Doc 1 0 Hisense MSD6308RT A 3 12 Saturday October 12 2013 Title Size Schematic Name Rev Date Sheet of Hisense Elect...

Page 37: ...ic Co Ltd No 11 Jiangxi Road Qingdao China WWW HISENSE COM Doc 1 0 Hisense MSD6308RT Custom 4 12 Saturday October 12 2013 Title Size Schematic Name Rev Date Sheet of Hisense Electric Co Ltd No 11 Jian...

Page 38: ...c Name Rev Date Sheet of Hisense Electric Co Ltd No 11 Jiangxi Road Qingdao China WWW HISENSE COM Doc 1 0 Hisense MSD6308RT A 5 12 Saturday October 12 2013 Title Size Schematic Name Rev Date Sheet of...

Page 39: ...SENSE COM Doc 1 0 Hisense MSD6308RT A 6 12 Saturday October 12 2013 Title Size Schematic Name Rev Date Sheet of Hisense Electric Co Ltd No 11 Jiangxi Road Qingdao China WWW HISENSE COM Doc 1 0 Hisense...

Page 40: ...le Size Schematic Name Rev Date Sheet of Hisense Electric Co Ltd No 11 Jiangxi Road Qingdao China WWW HISENSE COM Doc 1 0 Hisense MSD6308RT Custom 7 12 Wednesday October 23 2013 R238 12k R244 75R C267...

Page 41: ...DMI0_RX1N 2 HDMI0_RX0P 2 HDMI0_RX0N 2 HDMI0_CLKN 2 HDMI0_CLKP 2 Title Size Schematic Name Rev Date Sheet of Hisense Electric Co Ltd No 11 Jiangxi Road Qingdao China WWW HISENSE COM Doc 1 0 Hisense MSD...

Page 42: ...OUTR 2 PVSS 4 EN 3 GND 8 INL 10 INR 1 OUTL 9 PVDD 7 CN 5 CP 6 VD13 1N4148W 1 2 R424 15k NC R499 0R R317 0R NC L59 15 0 uH C442 NC 1n 50V C330 4 7n 50V R470 22R C471 1u 50V XP22 1 2 3 4 8 5 6 7 R351 15...

Page 43: ...ematic Name Rev Date Sheet of Hisense Electric Co Ltd No 11 Jiangxi Road Qingdao China WWW HISENSE COM Doc 1 0 Hisense MSD6308RT B 10 12 Saturday October 12 2013 C107 100n 16V C103 5p 50V R98 0R R99 0...

Page 44: ...turday October 12 2013 Title Size Schematic Name Rev Date Sheet of Hisense Electric Co Ltd No 11 Jiangxi Road Qingdao China WWW HISENSE COM Doc 1 0 Hisense MSD6308RT A 11 12 Saturday October 12 2013 T...

Page 45: ...o 11 Jiangxi Road Qingdao China WWW HISENSE COM Doc 1 0 Hisense MSD6308RT C 12 12 Wednesday October 23 2013 Title Size Schematic Name Rev Date Sheet of Hisense Electric Co Ltd No 11 Jiangxi Road Qingd...

Page 46: ...10 C803 474 AC250V C803 474 AC250V L909 L HX L909 L HX R813 10R R813 10R VD808 R208 VD808 R208 1 2 R923 2R2 R923 2R2 N807 TL431 N807 TL431 1 2 3 V932 2907 V932 2907 1 2 3 C848 1000P 2KV C848 1000P 2K...

Page 47: ...1 BZT52C18 VZ831 BZT52C18 C960 470n 16V C960 470n 16V V810 CS12N60 V810 CS12N60 C809 220p 2000V C809 220p 2000V R804 1M R804 1M R958 10k R958 10k R936 39k R936 39k VD918 MUR460G VD918 MUR460G 1 2 C835...

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