Related Manuals for Hisense MT5303C
Summary of Contents for Hisense MT5303C
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Page 1: Service Manual
LCD Television Service Manual Chassis： MT5303C Product Type： LEDN24K15PUK、LEDN32K15UK、 LEDN42K15PUK..Hisense Electric Co.，Ltd. September，2010... -
Page 2: Table Of Contents
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 - Hisense Confidential - 2 -... -
Page 3: Service Manual
USE OF NON-AUTHORIZED PARTS WILL VOID THE MANUFACTURE'S WARRANTY Proper service and repair is important to the safe, reliable operation of all Hisense Electric Co., Ltd Equipment. The service procedures recommended by Hisense and described in this Service Guide are effective methods of performing service operations. -
Page 4: Warning
LCD TV Service Manual techician trained in the proper Television safety and service methods and procedures Hereafter throughout this manual, Hisense Electric Co., Ltd will be referred to as Hisense. 1.1 Warning 1.1.1 Critical components having special safety characteristics are identified with a by the Ref. - Page 5 > All cables and connectors are properly insulated and do not have any bare wires/lead exposed. 1.1.6 (1) Do not supply a voltage higher than that specified to this product. This may damage the product and may cause a fire. Hisense Confidential - 5 -...
- Page 6 (9) Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over. Hisense Confidential - 6 -...
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Page 7: Notes
Failure to observe this precaution may result in, the surface of the panel being scratched by foreign Hisense Confidential - 7 -... - Page 8 The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the set. Hisense Confidential - 8 -...
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Page 9: Product Function Specifications
LCD TV Service Manual 2. Product Function Specifications Product Function Specifications Hisense Confidential - 9 -... -
Page 10: Factory/Service Osd Menu And Adjustment
White Balance White Balance Col Temp standard Set Channel R Grain Auto Color G Grain Factory Option B Grain LOGO Option R Offest Pattern Test G Offest Clean Protected B Offest Clean All Version information Hisense Confidential - 10 -... - Page 11 SOURCE HuangDao TOFAC Hungary France Australia Pattern Test Version Test pattern NULL Version: Panel Type: FLASH : Clean Protected Clean All Clean the user data(keep (Clean the factory data- the factory data ) EEPROM data) Hisense Confidential - 11 -...
- Page 12 Cool 120Hz Warm 500 Hz 1 .5KHz 5KHz 10KHz Picture Mode Brightness Standard Soft Note ： The above “Factory/Service OSD Menu” are reference only, please refer to the ac tual units to determine the appearances. Hisense Confidential - 12 -...
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Page 13: Software Upgrading
Select the default value, the driver will be installed step by step. 4.1.2 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. Hisense Confidential - 13 -... - Page 14 Serial connector: to the main board of 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. Hisense Confidential - 14 -...
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Page 15: Upgrading With The Mtktool
The MtkTool using log is restored in the MtkLog folder. It records the running time and date whenever the tool is used. The log will be a txt file named by the date and time. Hisense Confidential - 15 -... - Page 16 3—Press the icon beside the baud rate and make sure it is green as the below picture. 4—Set the flash baud rate to 115200 as the below picture. 5—Click the browse button to select the *.bin file that will be updated. 6—Click the “start” button to update software. Hisense Confidential - 16 -...
- Page 17 Open “Device Manager” and find which port is connected with the 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。“Auto Set Flash Hisense Confidential - 17 -...
- Page 18 If the flash chip does not support high speed transport, do not select this option; otherwise, reserve the selected mood. MT536X Click “Browse” button, find the upgrading program file, and select it. Press “Upgrade” button and start upgrading. The following interface appears on the screen, indicating upgrading successfully. Hisense Confidential - 18 -...
- Page 19 LCD TV Service Manual MT536X Hisense Confidential - 19 -...
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Page 20: Upgrading With The Usb
LCD TV Service Manual 4.3 Upgrading with 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’button on the remote control, Starting upgrade About 40 seconds. - Page 21 If software upgrading defeated, First turn off the TV.insert the USB and restart the TV. It can automatic upgrade. nothing on the screen ,The indicator led is red. When upgrading is successful ,the indicator led turns blue. The system auto start up. Hisense Confidential - 21 -...
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Page 22: Troubleshooting
Try new batteries Replace battery Replace RC Replace remote control Check IR receiver Change Led & IR board Replace Led & IR BD Change Led & IR cable Replace Led & IR cable Replace main board Hisense Confidential - 22 -... -
Page 23: Troubleshooting For Function Key
5.2 Troubleshooting for Function Key Buttons does not work Check solder connections and Check switches see if any switches are stuck. Replace Key BD Check key board Check Key BD cable Change Key BD Replace main board Hisense Confidential - 23 -... -
Page 24: Tv Won't Power On
Try Power on by Check signal RC and Button Panel Bright Source Neither Both works Work Replace Main Replace Main BD Power on Replace Panel (to contact Hisense tech support.) Replace Power BD Hisense Confidential - 24 -... -
Page 25: Troubleshooting For Audio
LCD TV Service Manual 5.4 Troubleshooting for Audio No sound Reconnect Check connecter Replace speaker wire Check speaker wire Replace speaker set Check speaker set Replace main board Power Supply Board Hisense Confidential - 25 -... -
Page 26: Troubleshooting For Tv/Vga/Hdmi Input
LCD TV Service Manual 5.5 Troubleshooting for TV/VGA/HDMI input No picture on the screen Check Signal Source Make sure signal source is available Reconnect Check connect Check cable Replace cable Replace main board Hisense Confidential - 26 -... -
Page 27: Troubleshooting For Ypbpr Input
LCD TV Service Manual 5.6 Troubleshooting for YPbPr input No picture on the screen Check Source work or not Check Source Device Reconnect Check connect Check Wires (Green Blue, Red) Replace wires Replace main board Hisense Confidential - 27 -... -
Page 28: Troubleshooting For Video/S-Video Input
LCD TV Service Manual 5.7 Troubleshooting for Video/S-Video input No picture on the screen Check Source work or not Check Signal Source Reconnect Check connect Replace Cable/Wires Check Cable/ Wires Replace main board Hisense Confidential - 28 -... -
Page 29: Explode View And Explode Bom List
LCD TV Service Manual 6. Explode View and Explode Bom List 7. Schematic circuit diagram Hisense Confidential - 29 -... - Page 30 AVDD33_AADC AVDD33_ADAC0 Output Path 1 3,4,5,6,7,8,9,11,12,13,14 AVDD33_AADC AVDD33_ADAC0 VIMD_AADC AVDD33_ADAC1 VMID_AADC AVDD33_ADAC1 ADCOUTL AL2O Near IC Near IC AIN_L_AADC AL2_ADAC +3V3SB AV33 ADCOUTR AR2O 3,5,6,7,8,14 +3V3SB AV33 AIN_R_AADC AR2_ADAC REFP_AADC AL1O Head Phone 3,7,8,9,11,13 AV33 AVDD33_REFP AL1_ADAC AVDD33_ADAC0 AR1O VIMD_AADC AVDD33_AADC AR1_ADAC ADAC_VCM...
- Page 31 ROUTE SYMMETRICALLY LG HALF NIM-TUNER 3,4,5,6,7,8,9,10,12,13,14 Near Tuner +5V_TUNER +5V_TUNER +12V 9,10,13,14 +12V IF_AGC2 IF_AGC1 IF_AGC Tuner_5V AV25 AV25 ANT_5V_OUT AV33 3,7,8,9,10,13 AV33 10K/NC 10K/NC R-RESC1005L-HX R-RESC1005L-HX R-RESC1005L-HX R-RESC1005L-HX 47nF 47nF OPCTRL1 47pF 47pF R215 R215 R216 R216 TUNER_GND R-CAPC1005L-HX R-CAPC1005L-HX C128 C128...
- Page 32 MT5361 _LQFP_ _DDR1_- 2 LAYERS MODEL NAME:MT5361 M6-V1 5360 GPIO Definition PIN NAME NET NAME Function define PIN NAME NET NAME Function define GPIO_0 GPIO_0 CI_INT / monitor[5] POCE0__O_/S0-CE POCE0# SerialFlash CE# GPIO_1 GPIO_1 4052 MUX control POCE1__O_/S1-CE POCE1# NANDFlash CE# / Test-in[3] GPIO_2 GPIO_2 USB OC TAG / monitor[7]...
- Page 33 MT5361 PCB Placement overview COMMON I/F NAND Flash I/F INVERTER PWR #1 INVERTER PWR #2 Main PWR SPDIF SPDIF Parallel TS MT5361 MT8295 CONNECTOR Speaker Out Serial TS IN Parallel TS LQFP Serial NAND CI CONNECTOR LVDS Flash Flash MT8295 Speaker Audio CI System...
- Page 34 STANDBY POWER +3V3SB ANALOG POWER AV33 +3V3SB REGULATOR LT1084-3.3V /AP1084D33LTO-252-3 REGULATOR LT1084-3.3V /AP1084D33LTO-252-3 +5VSB G1117-3.3V G1117-3.3V AV33 4,5,6,7,8,9,10,11,12,13,14 OUT_3 5,7,9,10,12,13,14 +5VSB C279 C279 5,8,14 +5VSB CE23 CE23 C264 C264 C238 C238 C261 C261 +3V3SB 5,6,7,8,14 +3V3SB 0.1uF 0.1uF 0.1uF 0.1uF CE10 CE10 0.1uF...
- Page 35 _ DDR2 DRAM Without Termination _ 3,5,6,7,8,9,10,11,12,13,14 DV33 3,5,6,12,13,14 DV33 AV125 DRAM 3,5,7,8,13 AV125 CI_DV18 CI_DV18 RDQ0 DDRV RDQ1 RDQ3 RDQ2 DRAM Power RDQ7 VCC2IO RDQ4 RDQ3 RDQ6 VCC2IO_10 RDQ1 RDQ4 RDQ5 VCC2IO_13 DDRV RDQ6 RDQ5 CI_DV18 LT1084/AP1084DL LT1084/AP1084DL RDQ4 VCC2IO_15 DV33 RDQ5...
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Page 36: Usb Port
JTMS GPIO_0 JTMS GPIO0 JTDI GPIO_1 54MHz CRYSTAL JTDI GPIO1 JTDO GPIO_2 JTDO GPIO2 JTCK GPIO_3 JTCK GPIO3 JTRST# GPIO_4 JTRST_ GPIO4 SYSTEM EEPROM GPIO_5 GPIO5 USB_DM GPIO_6 DV33 NS/820K NS/820K USB_DM0 GPIO6 R-CAPC1005L-HX R-CAPC1005L-HX R-CRYC1405N-HX R-CRYC1405N-HX R-CAPC1005L-HX R-CAPC1005L-HX R-CAPC1005L-HX R-CAPC1005L-HX USB_DP GPIO_7... - Page 37 NAND Flash Serial Flash Dual-Layout - 8MB default DV11 TP49 TP49 DV33 POCE1# POCE1_ VCCK_1 PDD0 PDD0 VCCK DV33 POOE# PDD1 HOLD#_0_0 SCLK PDD1 VCCK_6 DV33 PDD1 PDD2 DV33 POCE0# PDD2 VCCK_5 PDD3 PDD0 DV33 PDD3 VCCK_4 HOLD_ PDD4 FRESET# R258 R258 POOE#...
- Page 38 3,4,5,6,8,9,10,11,12,13,14 CEC_T ASPDIF HDMI_CEC ASPDIF 3,5,9,10,12,13,14 AVDD33_H +3V3SB R389 R389 3,5,6,8,14 +3V3SB R146 R146 AVDD33_HDMI ALIN 4.7K 4.7K HDMI_PLUGPWR1 PWR5V AV33 3,8,9,10,11,13 AV33 1K/NC 1K/NC PWR5V_0 R-RESC1005L-HX R-RESC1005L-HX HDMIDDCSDA_1 R151 R151 HDMI_SDA0 AV125 3,4,5,8,13 AV125 HDMI_SDA0 R401 R401 R409 R409 OPCTRL2 HDMIDDCSCL_1 100/NC...
- Page 39 VGA CONNECTOR NEARLY IC NEARLY VGA CON. VSYNC AVDD33_CVBS VSYNC AVDD33_CVBS 3,4,5,6,7,9,10,11,12,13,14 HSYNC CVBS0N HSYNC CVBS0N +5VSB 4.7nF C143 C143 4.7nF CVBS0P +3V3SB CVBS0P 3,5,6,7,14 +3V3SB D-SUB15 FEMALE D-SUB15 FEMALE R-RESC1005L-HX R-RESC1005L-HX R-CAPC1005L-HX R-CAPC1005L-HX CVBS1P +5VSB CVBS1P 3,5,14 +5VSB CVBS2P AV125 80/100MHz 80/100MHz...
- Page 40 3,4,5,6,7,8,10,11,12,13,14 ATV DISPLAY +5V_TUNER +5V_TUNER VIDEO DAC 3,5,7,10,12,13,14 AV33 3,7,8,10,11,13 AV33 +12V 10,11,13,14 +12V Near IC CVBS0P AV33 Near IC CVBS0P CVBS0N DACOUT1 CVBS0N VDAC_OUT1 AVDD33_VDAC VDAC_OUT2 AVDD33_VDAC C207 C207 COM0 COM0 AVDD33_VDAC CVBS0P PB0P PB0P C290 C290 C221 C221 PR0P PR0P 0.1uF...
- Page 41 CLOSE TO CI CONNECTOR CLOSE TO CI CONNECTOR FB/NC FB/NC R-INDC2012N-HX R-INDC2012N-HX CI_VCC CI_DV18 CI_VCC CI_DV33 CI_DV18 CI_DV33 CI_DV33 CI_DV33 3,4,5,6,13,14 DV33 OUT_7 R314 R314 R319 R319 R322 R322 9,10,11,13,14 +12V +12V OUT_6 R318 R318 R320 R320 4.7K 4.7K IN_2 R-RESC1005L-HX R-RESC1005L-HX R-RESC1005L-HX...
- Page 42 3,4,5,6,7,8,9,10,11,12,14 LVDS CONN. ECKN OCKN +12V ECKN OCKN 9,10,11,14 +12V ECKP OCKP LVDSVDD DV33 ECKP OCKP LVDSVDD 3,5,7,9,10,12,14 LVDSVDD AV33 3,7,8,9,10,11 AV33 DV33 R432 R432 3,4,5,6,12,14 DV33 AV125 XP12 XP12 LVDS LVDS 3,4,5,7,8 AV125 27K/NC 27K/NC OPWM2 R434 R434 OPWM2 R-RESC1005L-HX R-RESC1005L-HX VCC_1...
- Page 43 3,4,5,6,7,8,9,10,11,12,13 +5VSB +5VSB +5VSB 3,5,8 +5VSB MAIN POWER +12V 9,10,11,13 +12V 100n 100n 3,5,7,9,10,12,13 32/26/24电源板不带5VSB，+5V/+12V要控制。 OPWRSB OPWRSB 2010-04-09，By Tony N33 7314/4801 N33 7314/4801 GPIO_3 100n 100n GPIO_3 R201 R201 +3V3SB 3,5,6,7,8 +3V3SB +12V HI = > POWER_OFF DV33 D1_5 3,4,5,6,12,13 DV33 OPWM1 5,6,13...