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Hisense MT5303C, Руководство по обслуживанию

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LCD TV Service Manual                         

Hisense Confidential

 

Contents 

Contents

.......................................................................................................................................................................- 2 - 

Service Manual

...........................................................................................................................................................- 3 - 

1. Precautions and notices.....................................................................................................................................- 3 - 

1.1 Warning...................................................................................................................................................- 4 - 

1.2 Notes.......................................................................................................................................................- 7 - 

2. Product Function Specifications .......................................................................................................................- 9 - 

Product Function...........................................................................................................................................- 9 - 

3. Factory/Service OSD Menu and Adjustment..................................................................................................- 10 - 

3.1 To enter the Factory OSD Menu ...........................................................................................................- 10 - 

3.2 Factory OSD Menu...............................................................................................................................- 10 - 

4. Software Upgrading........................................................................................................................................- 13 - 

4.1 Get ready for upgrading........................................................................................................................- 13 - 

4.2 Upgrading with the MtkTool ................................................................................................................- 15 - 

4.3 Upgrading with the USB ......................................................................................................................- 20 - 

5. Troubleshooting ..............................................................................................................................................- 22 - 

5.1 Troubleshooting for Remote Control ....................................................................................................- 22 - 

5.2 Troubleshooting for Function Key........................................................................................................- 23 - 

5.3 TV won’t Power On..............................................................................................................................- 24 - 

5.4 Troubleshooting for Audio....................................................................................................................- 25 - 

5.5 Troubleshooting for TV/VGA/HDMI input..........................................................................................- 26 - 

5.6 Troubleshooting for YPbPr input..........................................................................................................- 27 - 

5.7 Troubleshooting for Video/S-Video input.............................................................................................- 28 - 

6. Explode View and Explode Bom List.............................................................................................................- 29 - 

7. Schematic circuit diagram ..............................................................................................................................- 29 - 

 

 

 

 

 

 

 

 

Содержание MT5303C

Страница 1: ...LCDTelevision Service Manual Chassis MT5303C Product Type LEDN24K15PUK LEDN32K15UK LEDN42K15PUK 9HU Hisense Electric Co Ltd September 2010...

Страница 2: ...Menu 10 4 Software Upgrading 13 4 1 Get ready for upgrading 13 4 2 Upgrading with the MtkTool 15 4 3 Upgrading with the USB 20 5 Troubleshooting 22 5 1 Troubleshooting for Remote Control 22 5 2 Troub...

Страница 3: ...his Service Guide are effective 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 w...

Страница 4: ...or altered without written permission from Hisense Hisense assumes no liability express or implied arising out of any unauthorized modification of design Servicetech assumes all liability 1 1 2 All IC...

Страница 5: ...horized 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...

Страница 6: ...he 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...

Страница 7: ...talling and removing the 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 speci...

Страница 8: ...at 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 th...

Страница 9: ...9 LCD TV Service Manual Hisense Confidential 2 Product Function Specifications Product Function Specifications...

Страница 10: ...r factory OSD menu with Factory Remote b With user s RC 1 Power TV On 2 Press Menu button and call up User OSD Menu 3 Select Sound Balance 4 When Balance value is 0 Enter 1 9 6 9 in sequence Note If n...

Страница 11: ...ata Clean Protected Clean the user data keep the factory data Version Version Panel Type FLASH Pattern Test Test pattern NULL Set channel QingDao HuangDao Hungary France Australia Factory Option SOURC...

Страница 12: ...enu are reference only please refer to the actual units to determine the appearances Picture Mode Brightness Standard Soft Sound Mode Speech User Music Standard Mode User 120Hz 10 500 Hz 10 1 5KHz 10...

Страница 13: ...of the unit MTKTool2 48 01 PL 2303 Driver Installer rar 4 1 Get ready for upgrading 4 1 1 Install the driver Double click the icon install the driver Select the default value the driver will be insta...

Страница 14: ...dential For the first connecting the pc will recognize and automatically install the USB device The process is just like the installation of a mini disk see the following picture USB connector to PC S...

Страница 15: ...green program needing no installation It is saved in the folder There are five folders files in this folder altergether The MtkTool using log is restored in the MtkLog folder It records the running ti...

Страница 16: ...e following picture Flash chip model Please refer to follow steps to update the software 1 Select mode of Flash chip to MT536X as the below picture 2 Refer to the next page instruction to select the c...

Страница 17: ...he TV In above picture COM4 is connected to the TV so select COM4 in the MtkTool main interface Select the right baud rate according to chip model For this unit chip model is MT536X select 115200 8 Au...

Страница 18: ...nds on the chip type If the flash chip does not support high speed transport do not select this option otherwise reserve the selected mood Click Browse button find the upgrading program file and selec...

Страница 19: ...19 LCD TV Service Manual Hisense Confidential MT536X...

Страница 20: ...th the USB MT5303C Series can update with USB directly the Main software should named his_upgrade pkg Turn on the TV then Insert the USB The following appear Choose YES on the screen and press the OK...

Страница 21: ...ll out the USB then restart the TV The new software start working If software upgrading defeated First turn off the TV insert the USB and restart the TV It can automatic upgrade nothing on the screen...

Страница 22: ...oubleshooting for Remote 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 c...

Страница 23: ...ial 5 2 Troubleshooting 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 s...

Страница 24: ...pad 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...

Страница 25: ...ense Confidential 5 4 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...

Страница 26: ...sense Confidential 5 5 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 Re...

Страница 27: ...ense Confidential 5 6 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 Replac...

Страница 28: ...se Confidential 5 7 Troubleshooting for Video S Video input No picture on the screen Check Source work or not Check connect Check Cable Wires Replace main board Check Signal Source Reconnect Replace C...

Страница 29: ...29 LCD TV Service Manual Hisense Confidential 6 Explode View and Explode Bom List 7 Schematic circuit diagram...

Страница 30: ...SC1608N HX 100K R488 R RESC1608N HX 100K 1 2 VD9 1N4148 VD9 1N4148 1 2 C168 0 1uF C168 0 1uF 1 2 VD7 1N4148 VD7 1N4148 1 2 C439 0 1uF NC C439 0 1uF NC 1 2 L24 FB L24 FB 1 2 R111 47K R111 47K 1 2 C709...

Страница 31: ...2 R23 R RESC1005L HX 10K R23 R RESC1005L HX 10K 1 2 C202 10uF 10v R CAPC2012N HX C202 10uF 10v R CAPC2012N HX 1 2 R100 0R R100 0R 1 2 R99 R RESC1005L HX 10K NC R99 R RESC1005L HX 10K NC 1 2 C349 R CA...

Страница 32: ...or 11 Digital Audio OUT monitor 10 HDMI Power monitor 24 CI_GPIO1 CI_GPIO2 CI_GPIO3 CI_GPIO6 CI_GPIO9 TRAP 5V CI_VCC Control CI_GPIO4 AnySource Bypass Sel NANDFlash CE Test in 3 SerialFlash RE NAND Fl...

Страница 33: ...System MT8295 DVB T DEMO CI CONNECTOR 0 R Serial TS Parallel TS Parallel TS Parallel TS COMMON I F NAND Flash I F Serial TS IN Serial TS OUT TUNER TDA10023 DVB C DEMO IF CONN IF IF 0 R 0 R Serial TS T...

Страница 34: ...101 R CAPC1005L HX 0 1uF 1 2 C45 0 1uF C45 0 1uF 1 2 C165 R CAPC1005L HX 0 1uF C165 R CAPC1005L HX 0 1uF 1 2 C175 R CAPC1005L HX NC C175 R CAPC1005L HX NC 1 2 R2 5K6 1 R2 5K6 1 1 2 CE55 220 0u 16V CE5...

Страница 35: ...RDQ8 18 RDQ9 19 RDQ10 20 RDQ11 21 RDQ12 22 RDQ13 23 RDQ14 24 RDQ15 25 VCC2IO_24 26 RCLK0_ 27 RCLK0 28 VCC2IO_27 29 AVDD12_MEMPLL 30 RCKE 31 RA12 32 RA11 33 RA9 34 RA8 35 RA7 36 RA6 37 RA5 38 RA4 39 R...

Страница 36: ...ST_ 64 GPIO3 66 GPIO2 67 OPWM2 68 OPWM1 70 OPWM0 71 VCXO 72 OSCL1 73 OSDA1 74 OSCL0 75 OSDA0 76 USB_DM0 78 USB_DP0 79 AVDD33_USB 80 USB_VRT 81 AVDD12_USB 82 U0TX 83 U0RX 84 OPCTRL5 85 OPCTRL4 86 OPCTR...

Страница 37: ..._3 69 VCCK_4 77 VCCK_5 144 VCCK_6 182 VCCK_7 193 VCC3IO_8 198 POCE1_ 204 PDD0 205 PDD1 206 PDD2 207 PDD3 208 PDD4 209 VCCK_15 210 PDD5 211 PDD6 212 PDD7 213 PARB_ 214 POOE_ 215 PACLE 216 PAALE 217 POW...

Страница 38: ...CAPC1005L HX 0 1uF 1 2 R109 R RESC1005L HX 47K R109 R RESC1005L HX 47K 1 2 R194 6K8 R194 6K8 1 2 VD87 VD87 1 2 R165 4 7K NS R165 4 7K NS 1 2 R492 0 NC R492 0 NC 1 2 VD37 R RESC1005L HX EZJZ0V800AA VD...

Страница 39: ...HX 75 R64 R RESC1005L HX 75 1 2 R78 R RESC1005L HX 100 R78 R RESC1005L HX 100 1 2 XS13 HDTV1 XS13 HDTV1 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 R62 R RESC1005L HX 75 R62 R RESC1005L HX 75 1 2 XS5 VGA AUDI...

Страница 40: ...N HX 18 1 2 VD52 EZJZ0V800AA VD52 EZJZ0V800AA 1 2 C153 NS 47pF C153 NS 47pF 1 2 C267 4 7nF C267 4 7nF 1 2 R347 R RESC1005L HX 68 R347 R RESC1005L HX 68 1 2 R154 47K R154 47K 1 2 C290 1uF C290 1uF 1 2...

Страница 41: ...C1608N HX FB L76 R INDC1608N HX FB 1 2 R320 R RESC1005L HX 10K R320 R RESC1005L HX 10K 1 2 R339 R RESC1005L HX 100 R339 R RESC1005L HX 100 1 2 R333 R RESC1005L HX 100 R333 R RESC1005L HX 100 1 2 C10 R...

Страница 42: ...TP142 TP142 1 R434 4 7K NC R434 4 7K NC 1 2 L15 FB L15 FB 1 2 C176 0 1uF C176 0 1uF 1 2 C154 0 1uF C154 0 1uF 1 2 CE48 100uF 16V CE48 100uF 16V 1 2 V26 R SOT3N 095 280 HX 2N3904 NC V26 R SOT3N 095 28...

Страница 43: ...R202 4 7K 1 2 C490 22uF C490 22uF CE13 100uF 6 3v CE13 100uF 6 3v 1 2 R768 10k R768 10k R37 4 7K R37 4 7K 1 2 R764 10K R764 10K Q1 TJC3 4A Q1 TJC3 4A 1 1 2 2 3 3 4 4 R42 22K R42 22K 1 2 R213 R RESC100...

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