Kalley LTDN40K221TWAM Service Manual Download

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LCD Television

Service Manual

Chassis

：

MSD6308

Product: LTDN40K221TWAM

Ver 1.0

Hisense Electric Co.

，

Ltd.

June , 2015

Summary of Contents for LTDN40K221TWAM

Page 1: ...LCDTelevision Service Manual Chassis MSD6308 Product LTDN40K221TWAM Ver 1 0 Hisense Electric Co Ltd June 2015...

Page 2: ...d Rear 13 3 Factory Service OSD Menu and Adjustment 15 3 1 How to enter the Factory OSD Menu 15 3 2 Factory OSD Menu 15 4 Software updating 18 4 1 Updating main board with SecureCRT 18 4 2 Write Mboot...

Page 3: ...perations require the use of tools specially designed for the purpose The special tools should be used when and as recommended It is important to note that this manual contains various CAUTIONS and NO...

Page 4: ...re identified with a by the Ref No in the parts list Use of substitute replacement parts which do not have the same specified safety characteristics may create shock fire or other hazards Under no cir...

Page 5: ...3 To prevent electrical shock do not use this polarized ac plug with an extension cord receptacle or the outlet unless the blades can be fully inserted to prevent blade exposure To prevent electrical...

Page 6: ...nditions This may damage the product and may cause a fire 4 If a foreign substance such as water metal or liquid gets inside the panel module immediately turn off the power Continuing to use the produ...

Page 7: ...tion to avoid injury from tip over 1 2 Notes Notes on Safe Handling of the LCD panel and during service The work procedures shown with the Note indication are important for ensuring the safety of the...

Page 8: ...g materials before the surface of the panel comes into contact with the cushioning materials Failure to observe this precaution may result in the surface of the panel being scratched by foreign matter...

Page 9: ...hat the peripherals of 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 t...

Page 10: ...10 2 Product Specifications 2 1 Main board layout 2 1 1 1Main board 6374 The Top USB HDMI Ant MSD6308 Cable VGA VGAAudio Component AV Audio Component AV Video...

Page 11: ...11 Side terminal 1 Side terminal 2...

Page 12: ...12 Bottom...

Page 13: ...TV Model Panel Mode LVDS Main Panel Main board power board LHD32K220TWAM HD315DH B12 HX2 2 20KLB90P 90 0 ROH RSAG2 908 6374 01 ROH LTDN40K221TWAM HS HD396DF E01 HX2 2 20KLB150P 150 0 ROH RSAG2 908 637...

Page 14: ...14 TV Rear...

Page 15: ...2 Select Sound Balance item 3 Press number key 1 9 6 9 in sequence when Balance item is focused Note If necessary re do number keys 4 Factory OSD appears Note Press exit key on the RC which can exit f...

Page 16: ...16 Option Init...

Page 17: ...17 Version 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...

Page 18: ...then can update main software With SecureCRT 4 1 Updating main board with SecureCRT 4 1 1 Hardware connecting You can update the software through a special tool as following Connect the Debug board to...

Page 19: ...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...

Page 20: ...ow e Input usb start 1 and press Enter key Note If it says Error like below picture please input usb start 0 and press Enter key f Input ustar and press Enter key g It will be upgraded automatically a...

Page 21: ...21 b Set I2C parameters Click I2C Set I2C to open the window of below and adjust the I2C Speed to 30 c Load the Mboot files Click View Eagle Nugget NAND Program to open the window below...

Page 22: ...write Mboot files to the Nand flash e When you see the Status become to Status Success Please reset power please wait for 2 minutes and then close the MSTV_Tool f AC power off the board Now you can u...

Page 23: ...the TV SET 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 sho...

Page 24: ...der to convenience prepare two USB disks to save different software respectively 5 Troubleshooting 5 1 Troubleshooting for Remote Control Remote control does not work Try new batteries Replace RC Chec...

Page 25: ...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 26: ...er 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 27: ...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 28: ...28...

Page 29: ...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 30: ...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 31: ...t No picture 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 Circuit instruction 6 1...

Page 32: ...32...

Page 33: ...33 7 Schematic circuit diagram 8 Explode View...

Page 34: ...R YUV_L R X3 PANEL LVDS IF1 IF2 IF TAS5707 L R L_OUT R_OUT EEPROM 32KBITS I2C SPI FLASH 16MBITS NC NAND_FLASH 4GBITS 12V 5V_STB 2A TPS54328 5VAIN 3A PWR ON OFF 12V TAS5707 AMS1117 3 3V 3 3V_Standby 3...

Page 35: ...0 0R C19 10u 16V R20 4 7k NC 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 R40 1k R8 4 7k NC...

Page 36: ...GND L7 GND L8 GND L9 GND L10 GND L11 GND L12 GND L13 GND L14 GND R10 GND R9 GND R5 GND P15 GND P14 GND P13 GND P12 GND P11 GND P10 GND P5 GND N15 GND N14 GND N13 GND N12 GND N11 GND N6 GND N4 GND M15...

Page 37: ...chematic Name Rev Date Sheet of Hisense Electric Co Ltd No 11 Jiangxi Road Qingdao China WWW HISENSE COM Doc 1 0 Hisense MSD6308RT A 4 15 Monday March 16 2015 Title Size Schematic Name Rev Date Sheet...

Page 38: ...2 9 M SDA 2 9 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 C 5 15 Monday March 16 2015 Title Size Sch...

Page 39: ...Date Sheet of Hisense Electric Co Ltd No 11 Jiangxi Road Qingdao China WWW HISENSE COM Doc 1 0 Hisense MSD6308RT A 6 15 Monday March 16 2015 Title Size Schematic Name Rev Date Sheet of Hisense Electr...

Page 40: ...16 2015 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 B 7 15 Monday March 16 2015 Title Size Schematic...

Page 41: ...308RT Custom 8 15 Monday March 16 2015 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 Custom 8 15 Monday...

Page 42: ...T 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 MSD6308RT D 9 15 Monday March 16 2015 Title Size Schematic Name...

Page 43: ...3 R421 200R R400 4 7k C606 1u 10V C417 470n 50V R529 0R R447 1M NC C327 NC 470n 50V R473 NC 4 7R VZ2 LM3Z10VT1G NC 1 2 R331 4 7k C507 470n 50V R423 18k C418 100n 16V R457 22R C356 10u 16V L65 15 0 uH...

Page 44: ...a WWW HISENSE COM Doc 1 0 Hisense MSD6308RT B 11 15 Monday March 16 2015 Title Size Schematic Name Rev Date Sheet of Hisense Electric Co Ltd No 11 Jiangxi Road Qingdao China WWW HISENSE COM Doc 1 0 Hi...

Page 45: ...T A 12 15 Monday March 16 2015 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 12 15 Monday March 16 20...

Page 46: ...ze Schematic Name Rev Date Sheet of Hisense Electric Co Ltd No 11 Jiangxi Road Qingdao China WWW HISENSE COM Doc 1 0 Hisense MSD6308RT C 13 15 Monday March 16 2015 Title Size Schematic Name Rev Date S...

Page 47: ...MER 12 HX R820 2 7k V946 MMBT2222A 3 1 2 R822 270k R801 1M C845 100n 50V VD816 HER307 1 2 R935 1R 2W R849 10k Q803 RSAG5 861 152 1 2 3 4 C802 470p 1000VV R926 120k R832 330R VD804 RM11C 1 2 V801 STK07...

Page 48: ...E COM Doc 1 0 Hisense MSD6308RT A 15 15 Wednesday March 18 2015 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 49: ...inal Bracket RSAG8 081 1206 1 9 Main Board RSAG2 908 6374 1 10 Screw SJ2836 87 M3X8 4 11 Terminal Bracket RSAG8 081 1371 1 12 13 14 Bracket 1 RSAG8 038 4369 15 16 Bracket 1 RSAG8 078 3992 17 18 Rear C...

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