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Hisense LHD32K260AM, Service Manual

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Hisense LHD32K260AM Service Manual Download Page 29

 

 

 

- 29 -

5.3 TV won’t Power On 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Make Sure Power 

source is live 

Replace 

Power Cord 

Check/replace IR 

BD or Keypad 

PCA 

TV won’t power 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 

BLUE 

Panel Bright 

NO 

Replace Main BD 

NO 

YES

Check signal 

Source 

YES

NO 

YES 

Replace Panel 

(to contact Hisense tech support.)

 

OK 

Summary of Contents for LHD32K260AM

Page 1: ...LCDTelevision Service Manual Chassis MSD6308 Product LHD32K260AM Ver 1 0 Hisense Electric Co Ltd June 9 2015...

Page 2: ...n Parts 16 3 Factory Service OSD Menu and Adjustment 16 3 1 How to enter the Factory OSD Menu 16 3 2 Factory OSD Menu 16 4 Software updating 19 4 1 Updating main board with SecureCRT 19 4 2 Write Mboo...

Page 3: ...3 REVISION HISTROY Version Page Section Description Date ver1 0 ALL ALL First iss ued 2015 06 09...

Page 4: ...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 5: ...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 6: ...3 To prevent electrical shock do not use thi s 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 7: ...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 8: ...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 9: ...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 10: ...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 11: ...11 2 Product Specifications 2 1 Main board layout 2 1 1 1Main board 6012 Take LHD32K260AM 6168 for example Top MSD6308 Flash...

Page 12: ...12 Side terminals Side terminals Coaxial COMP AV VGA VGA Audio Air Cable HDMI...

Page 13: ...13 2 2 TV Front and TV Rear LHD32K260AM TV Front...

Page 14: ...14 LHD32K260AM TV Rear...

Page 15: ...15 2 3 Spec LHD32K260AM...

Page 16: ...e Factory OSD Menu With user s RC Power on the TV 1 Press Menu button and call up User OSD Menu 2 Select Sound Balance item 3 Press number key 1 9 6 9 in sequence when Balance item is focused Note If...

Page 17: ...17 Option Init...

Page 18: ...18 Version 3 2 2 Design Menu...

Page 19: ...includes Mboot write and main software update Usually first write Mboot to nand flashWith MSTV_Tool exe then can update main software With SecureCRT 4 1 Updating main board with SecureCRT 4 1 1 Hardw...

Page 20: ...20 For mstar chassis the bebug boad set as following For MTK chassis the bebug boad set as following Mstar c hassis connect or t o t he leftmost MTK chassis connector to the second position from left...

Page 21: ...TAR 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 Not...

Page 22: ...eck that there is a nugget in the SecureCRT window 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...

Page 23: ...PC via the debug tool Open the MSTV_Tool in your PC 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 NAN...

Page 24: ...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 c an...

Page 25: ...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 26: ...After update succeeds TV SET will restart automatically 7 First update the Boot software second update the main software In order to convenience prepare two USB disks to save different software respec...

Page 27: ...ote Control 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...

Page 28: ...g for Function Key Buttons does not work Check switches Check key board Check Key BD cable Change Key B D Replace main board Check solder connections and see if any switches are stuck Replace Key BD O...

Page 29: ...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 30: ...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 31: ...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 32: ...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 33: ...nput 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 B...

Page 34: ...34...

Page 35: ...35 7 Schematic circuit diagram 8 Explode View...

Page 36: ...5 VGA_L R YUV_L R X3 AV AV_OUT L R_OUT PANEL LVDS IF1 IF2 IF TAS5707 L R L_OUT R_OUT EEPROM 32KBITS I2C SPI FLASH 16MBITS NAND_FLASH 2GBITS 12V 5V_STB 2A TPS54328 5VAIN 3A PWR ON OFF 12V TAS5707 AMS11...

Page 37: ...R249 48 7k R18 4 7k NC C230 10u 16V 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 50...

Page 38: ...ND L6 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 GN...

Page 39: ...e Rev Date Sheet of Hisense Electric Co Ltd No 11 Jiangxi Road Qingdao China WWW HISENSE COM Doc 1 0 Hisense MSD6308RT A 4 14 Monday June 01 2015 Title Size Schematic Name Rev Date Sheet of Hisense El...

Page 40: ...Co Ltd No 11 Jiangxi Road Qingdao China WWW HISENSE COM Doc 1 0 Hisense MSD6308RT C 5 14 Monday June 01 2015 Title Size Schematic Name Rev Date Sheet of Hisense Electric Co Ltd No 11 Jiangxi Road Qin...

Page 41: ...ric Co Ltd No 11 Jiangxi Road Qingdao China WWW HISENSE COM Doc 1 0 Hisense MSD6308RT B 6 14 Monday June 01 2015 Title Size Schematic Name Rev Date Sheet of Hisense Electric Co Ltd No 11 Jiangxi Road...

Page 42: ...t of Hisense Electric Co Ltd No 11 Jiangxi Road Qingdao China WWW HISENSE COM Doc 1 0 Hisense MSD6308RT A 7 14 Monday June 01 2015 Title Size Schematic Name Rev Date Sheet of Hisense Electric Co Ltd N...

Page 43: ...308RT Custom 8 14 Monday June 01 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 14 Monday...

Page 44: ...C_DET 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 14 Monday June 01 2015 Title Size Schematic N...

Page 45: ...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 C324 1u 50V R451 15k NC R316 0R NC R424 15k NC...

Page 46: ...Doc 1 0 Hisense MSD6308RT A 10 14 Monday June 01 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...

Page 47: ...na WWW HISENSE COM Doc 1 0 Hisense MSD6308RT B 11 14 Monday June 01 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 48: ...RT A 12 14 Monday June 01 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 14 Monday June 01 201...

Page 49: ...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 13 14 Monday June 01 2015 Title Size Schematic Name Rev Date...

Page 50: ...2 1M Q803 RSAG5 861 152 1 2 3 4 R856 3 9k R995 47R R967 120k VD822 FR107 1 2 Q804 1 2 3 4 C845 100n 50V C936 1n 50V V947 NC MMBT2222A 3 1 2 C930 1n 50V C943 1n 50V R955 5 1k R808 27R VD804 RM11C 1 2 R...

Page 51: ......

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