Hisense MT5380 Service Manual
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Hisense MT5380 Service Manual

Hisense MT5380 Service Manual

Hisense group flat panel television user manual
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LCDTelevision
Service Manual
Chassis:
MT5380
Product Type:
LHDN26W57US
( 1) --ELCHW261
Ver 1.0
Hisense Electric Co.,
August,
2009
Ltd.

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Summary of Contents for Hisense MT5380

  • Page 1 LCDTelevision Service Manual Chassis: MT5380 ( 1) --ELCHW261 Product Type: LHDN26W57US Ver 1.0 Hisense Electric Co., Ltd. August, 2009...

  • Page 2: Table Of Contents

    Contents ... Service Manual 1. Precautions and notices ... 1.1 Warning ... 1.2 Notes ... 2. Product Function Specifications 2.1 Product Function ... 2.2 Specifications ... 3. LCD Panel Spec ... 3.1 General Description ... 3.2 General Features ... 4. Chassis Layout and Overall Wiring Diagrams ... Boards and Chassis Layout ...

  • Page 3: Service Manual

    1. Precautions and notices BEFORE SERVICING THE LCD TV, THIS MANUAL• USE ONLY MANUFACTURER SPECIFIED REPLACEMENT PARTS WHEN SERVICING. 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.

  • Page 4: Warning

    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 Ref. No. in the parts list. Use of non-manufacturer's shock, fire, or other hazards.Under modified or altered without written permission from Hisense.
  • Page 5 IMPORTANT: Always disconnect the power cord from AC outlet before replacing parts or modules. 1.1.3 To prevent electrical shock, use only a properly grounded 3 prong outlet or extension cord. 1.1.4 When replacement parts are required, be sure to use replacement manufacturer or have the same characteristics substitutions...
  • Page 6 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. (2) Do not use this product: > High humidity areas > In an area where any water could enter or splash into the unit. High humidity and water could damage the product and cause fire.

  • Page 7: Notes

    or sold with the apparatus. When a cart is used, use caution when moving the cart/apparatus combination 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 product and the servicing work.
  • Page 8 sure to confirm that there is no foreign matter on top of the cushioning 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: Product Function Specifications

    2. Product Function Specifications 2.1 Product Function Front Cabinet _Remote reviver _l_tion Input Volume Volume Down Channel Channel Down Power(On/Stand...

  • Page 10: Specifications

    Back Cabinet AC INPUT 2.2 Specifications -10-...
  • Page 11 Appendix Model size Diagonal display Television system multiplex Audio Channem coverage PC mode YPbPr/YCbCr mode HDMI mode Resolution Power source Power consumption Audio power RF input Video input Connection Interface Graphic iHput Audio input Audio output Dimensions Environmenta_ conditions Supplied accessories Desgn and specifications...

  • Page 12: Product Features

    3. LCD Panel Spec Panel: M260TWRl\ROH 3.1 General Description The M260TWR1 is a color active matrix thin film transistor (TFT)liquid crystal display (LCD) that uses amorphous silicon TFT as a switching device. It is composed of a TFT LCD panel, a timing controller, voltage reference, common voltage, DC-DC converter, column driver;...

  • Page 13: General Features

    3.2 General Features Product Summary Screen Diagonal Active Area Pixels H x V Pixel Pitch Pixel Arrangement Disp_a_ Mode White Luminance Contrast Ratio Response Time Logic Power Consumption Boc ght Powe, i_:i:ii2iih, iii{i;{" Outline DimensQB Electrica_ Inte_ace (_ic) Suppo_ Co_or _i_1 Viewing Direction :Su_ace Treatment...

  • Page 14: Chassis Layout And Overall Wiring Diagrams

    4. Chassis Layout and Overall Wiring Diagrams Boards and Chassis Layout Description Part No. Main Board 121477 Power Board 122630 Keypad Board 113354 IR Board 116295 Type/Model RSAG2.908.1553-2\ROH RSAG7.820.1730\VER.D\ROH RSAG2.908.1498-2\ROH RSAG7.820.1646\VER.C\ROH RSAG2.908.1088\ROH RSAG7.820.1101 RSAG2.908.1260-2\ROH RSAG7.820.1337\VER.B\ROH -13- PCB/Model \VER.B\ROH...

  • Page 15: Factory/Service Osd Menu And Adjustment

    5. Factory/Service OSD Menu and Adjustment 5.1 To enter the Factory a. With factory RC (remote control) 1. Press "M" button and enter factory mode. 2. Press "Menu" button and enter factory OSD menu. 3. Press "CH+"/"CH-" button select the function menu, press "VOL+"/"VOL-" enter the selected function menu.

  • Page 16: Designer Menu

    5.2.2 Factory Option Item MODE Note: MODE "M" is only used for factory 5.2.3 Version Info Item Version Date Note: Software version info of the TV, 5.2.4 Clear the EEPROM Item Meaning Clean Clear partly Protected Clean All Clear completely Note: The factory menu date varies according data...
  • Page 17 Offset: R Offset G Offset B Offset Cool: R Gain G Gain B Gain Warm: R Gain G Gain B Gain 5.3.2 Video Curve: Bright Bright Bright Mid Contrast Contrast Contrast Saturation Saturation Saturation Hue Max 1000 1000 Hue Min Hue Mid S-Video Component...

  • Page 18: Picture Mode

    5.3.3 Picture Mode Vivid Bright Vivid Contrast Vivid Saturation Std Bright Std Contrast Saturation Hovie Bright Hovie Contrast Hovie Saturation 5.3.4 Volume Curve: AV/S-Video component HDMI Note: Set Downmix to "Lt/Rt". 5.4 To Exit the Aging Mode If There is a red "M" moving Aging mode,...

  • Page 19: Software Upgrading

    6. Software Upgrading The software is upgraded main board of the unit. 6.1 Get ready for upgrading 6.1.1 Install the driver Double click the icon PL-2303Driver Installer Wizard° _,,,hieh ,,,_ill guide youthrough therest o fthesetup process. P lease wait. Select the default value, the driver will be installed step by step. 6.1.2 Hardware connecting Connect...
  • Page 20 For the first connecting, process is just like the installation The -.vizard is installing software, _rzpi. the pc will recognize and automatically of a mini disk, see the following picture. Please wait... Last $1,_)(1_) Finish Finding New Hardware The wizard has finished the Prolific IfSB-to-Serial Comm Port If you close thev,Jzard, Please click rtmsn .

  • Page 21: Upgrading With The Mtktool

    6.2 Upgrading with the MtkTool MTKtool is a green program MTR_00L_20061027 • There are five folders/files ... A fl_shin£ !_{_.__ [ i_!7 !):_'_ !=_+_ The MtkTool using log is restored whenever the tool is used. The log will be a txt file named by the date and time. start : 11:51:££, 2116-1£-2...
  • Page 22 5--Click the browse button to select the *.bin file that will be updated. 6--Click the "start" button to update software. LoadBin file: Backupfile: Verify _ BlankCheck USB toUAFIT Bridge Controller I_ ShakeHand Custom BurningAddress Custom BurningEnd: Direct Control -21 - Check Sun I_ HighSpeed [HEX)
  • Page 23 Open "Device Manager" is connected to the TV; so, select according to chip model. For this unit( Note: Where or not click the "Auto on the chip type. If the flash otherwise, reserve the selected and find which port is connected "COM4"...
  • Page 24 Fort Baud Rate Click "Browse" button, and start upgrading. The following interface LoadBin file: _ Backup file: 5ackLip:bin Browse i >7 USB to UART Bridge Conl:rol!e[ Cu=OmBU'oiOg ClearMSG find the upgrading program file, and select appears on the screen, indicating uild(hkense",PH_-, Browse Browse...

  • Page 25: Troubleshooting

    7. Troubleshooting 7.1 Troubleshooting for Remote Control - 24 -...

  • Page 26: Troubleshooting For Function Key

    7.2 Troubleshooting for Function - 25 -...

  • Page 27: Tv Won't Power On

    7.3 TV won't Power On - 26 - Neither I Both works Work...

  • Page 28: Troubleshooting For Audio

    7.4 Troubleshooting for Audio - 27 -...

  • Page 29: Troubleshooting For Tv/Vga/Hdmi Input

    7.5 Troubleshooting for TV/VGA/HDMI input No I - 28 -...

  • Page 30: Troubleshooting For Ypbpr Input

    7.6 Troubleshooting for YPbPr input - 29 -...

  • Page 31: Troubleshooting For Video/S-Video Input

    7.7 Troubleshooting for Video/S-Video input -30-...

  • Page 32: Explode View And Explode Born List

    8. Explode View and Explode Bom List 9. Schematic circuit diagram -31 -...

  • Page 34: Parts List

    ELEMENT ELCHW261 Part No. Description front cover 122619 lens led 1048975 IR Board Unit 116295 bracket 1058744 LCD Panel 1061384 Power Board unit 122630 bracket unit 1061396 bracket 1060591 bracket unit 1048779 back cover 1052031 Unit 121477 bracket 1050067 1059722 power cord cover board 1050054...

  • Page 35: Wiring Diagrams

    01 :INDEX/POWER 02:DIGITAL/ANALOG POWER 03:MT5380PERIPHERAL 04:DDR1 MEMORY 05: FLAS H/JTAG/UART 06:ANALOG PLL/USB2.0/TUNER 07:LINE OUT/HP 08:AMP/MUTE 09:LVDS/HEADPHONE 10:YPBPR INPUT 11 :VGA IN/LR 12:HDMI INPUT 13:AV/SV IN FROM AV BOARD 14:1R/KEY GPIO Definition GPIO SYSTEM EEPROM WP PROTECT GPIO HDMIEDIDWP GPIO USB POWER GPIO GPIO GPIO...
  • Page 36 DV33 < IR19 iiio4o?ou ,16 2oo ,o4o AZ1117/ADJ 100uF/16V 300R/0402 iC17 T00nF/0402/NC OCSET z 4,C 6vT 9oo o4o __ i0n_'0402! ___P1534 100nF/040 t +5VSB +3V3SB 'R29 iC24 CEll 1 AZ1117/ADJ ,180R/0402 _ 100uF/16V CE 1 3 --_-_'-- 100uF/16V 300R/0402 1.25 x (1+180/110) = 3.3v +12V _71N...
  • Page 37 OPCTRL2 AVDD33 REG88 OPCTRL3 AVDD33 OPCTRL3 C XREG OPCTRL4 XREG- OPCTRL4 OPCTRL5 ORESET OPCTRL5 _._C61 ORESET# OPWRSB OPWRSB --_nF MT5380 SMD LQFP +3V3SB DV33 DV33 1K/040,I _%/%_4K7/0402/NC "PWRDET R53[__x/N_4K7/0402 3.3V Tarp 2K7/0402/NC Trap Mode Normal mode mode Trap Mode Core...
  • Page 38 RDQ12 RDQ12 RDQ13 RDQ13 RDQ14 RDQ14 RDQI5 RDQ15 RCLK0# RCLK0 MEM VREF 53 RCLK0 RCLKO RVREF0 RCS# MT5380 SMD LQFP 47x4 MEM ADDR12 iN/N/N. RA12 MEM ADDR11 iN/N/N. RA11 MEM ADDR9 MEM ADDR8 tN/_/N. serial resistors MEM ADDR7 1R_.,_x4 MEM ADDR6 iN/N/N.
  • Page 39 PDD0 ?fi0 PDD0 PDD1 OIRI PDD1 OIRI JTMS JTMS JTRST# JTRST JTCK JTCI< JTDO JTDO JTDI JTDI DV33 MT5380 SMD LQFP RN19 10K/NC R-RESCA3216-8N-HX JTRST# JTMS JTDI JTCK JTDO 33R/0402 ' R83 > 10K!0402 Nlll DVl0 DDRV DV33 VCCK VCC210...
  • Page 40 AVDD12 FiDMPLL AVDD12 6,9 I AVDb33 AVDD12 APLL 16,3 AVDD12-USB AVDD12 SYSPLL USB DM 65 I USB VRT AVDD12 ADCPLL I 162 AVDD12SKDPLL AVUU12- DMPLL MT5380 SMD LQFP N11H AVDD25 SADC AVDD25 SADC MPX0P AVSS25 SADC SIFP AVSS25 SADC MPX0N...
  • Page 41 ADACO lf!? REFP_AADC AVSS33_ADAC0 REFN AADC 1f!6 AVSS33 ADAC1 lf!0 REFN AADC AVSS33 ADAC1 1f!5 ADAC VCM AD/_C VCM AVDD33 AVDD33_DIG MT5380 SMD LQFP C301 R104 )÷ YPBPRL _X/N/' 20K!0402 10uF/10V O151 R105 YPBPRR AV2-L-A-P 20_'4402 ,'j:y_/_'_i _ 10uF/10V XS15...
  • Page 42 +5V + 12V R147 l 1K/0402/NC R155 0R0/0402/NC/ C176 R159 TPA7266 AR1 AMP 'N/N_ 470R/0402 4.7uF/10V C177 R 1 62 ALt AMP TPA7266 L 470R/0402 4.7uF/10V C179 ._LC. 178 R160 R161 > 100pF/0402 10K/0402/NC 10K!0402/NC +12V --_OpF/0402 CE43 _ _- - 22_ 1 4148 ]_ lVD_4 __...
  • Page 43 LVDSA AVDD33 LVDS AVDD33-LVDSB AVDD33 LVDS AVDD33]LVDSC AVDD33 VPLL AVDD33 VPLL CK1N CK1N CK1P CK1P CK2N CK2N CK2P CK2P MT5380 SMD LQFP [I20 EEPROH LUT] VDD33 R169 C187 1_0402 ----100nF/0402 R172 AT24C08-10TU-1.8 1K/0402 R173 ITCON TCON SDA R174 K/0402 LVDSVDD...
  • Page 44 SOY1 SOY1 11£ PBtP PB1P PBR1N PBR1N PR1P PR1P VSYNC VSYNC HSYNC HSYNC TP20 TP19 MT5380 SMD LQFP ]'EAP,LY YO IN PB0 IN PRO IN AV3-L-Y-P _ _Dll h, 10P _ VD12 h,10P Y1 iN k,10P PR1 IN AV3-L-Y-P k,10P...
  • Page 45 D-SUB15 R201 RED GND 100R/0402 UOTX GRN GND VGASDA IN BLU GND HSYNC# VD12 VGA PLUGPWR VSYNC# 1N4148 VGASCL R205 UORX 100R/0402 jr D14 __---- _--- R211 HSYNC# f.ym HSYNC 0K!0402 5pF/0402 680R/0402 120R D016 </214 0228 R219 VSYNC# VSYNC 680R/0402 120R 0232...
  • Page 46 AV33 N11K 12° RXOB OPWR-0_5V OPWR RXOB RX0-C RX0-0B RX1B RX0-0 RX0-1B AVDD33 HDMI AVDD33 AV12 RX2B RX0-1 RX0-2B AVDD12_-CVCC AVDD12 CVCC EXT R ES I _-Z_-_Tp21 RX0[2 L_ 120R MT5390 SMD LQFP AV33 R324 _ R321 C305 $K7/0402 R323 10K/0402 OSCL1 OSDA1...
  • Page 47 VIP ATV AVSS25 VIP ATV AVSS25REF VIN ATV AVDD25 VIN-ATV AVDD25VFE AVSS25 VlNDC VlNDC AVSS25VFE D2SA_I 13f! D2SA C292_C256 MT5380 SMD LQFP 100nF/040Z00nF/0402 Near chip Near AV0 IN NEARLY CONNECTOR AVLIN AVRIN 120R SIDE_ R242 75R/0402 h, 10P 0270 II...
  • Page 48 ADIN1ADIN2 +5VSB R255 10R/0402 PWR iR C279 CE54 _--_ 00nF/0402 "t " 22uF/16v R258 OIRI 10R/0402 +3V3SB TO KEY BOARD R251 _- R253 10R/0402 2K2/0402 t 'gv" 3 _,,,_ R254 C278 C277 -J-- 10R/0402 TJCl0-4A r D39', i, 10PA lnF,o4o_.____TnF,o4o2; I10uF/NC 10R/0402/NC +5VSB...

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