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Haier HL42XR1 Service Manual

Haier flat panel television user manual
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Download this manual See also: Owner's Manual, User Manual
M
SERVICE MANUAL
COLOR TV
Customer Model: HL42XR1
Service Model: HL42XR1a
CHASSIS:
MTK5380L
WARNING
This service information
is designed for experienced
repair technicians
only and is not designed for use by the general public. It does
not contain warnings or cautions to advise non-technical
individuals of potential dangers in attempting to service a product. Products
powered b electricity should be serviced or repaired only by experienced
professional technicians.
Any attempt to service or repair the
product deal with in this service information
by anyone else could result in serious injury or death.
_#2009 (Qingdao Electronics
limited company)
All rights reserved.
Unauthorized
copying and distribution
is a violation of
law.

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  • Page 1 SERVICE MANUAL Customer Model: HL42XR1 Service Model: HL42XR1a CHASSIS: WARNING repair technicians only and is not designed for use by the general public.

  • Page 2: Table Of Contents

    CONTENTS Table of contents ... 2 1. General Information ... 4 1-1. General Guidelines ... 1-2. Important notice ... 1-3. How to read this Service Manual ... 2. Specifications ... 6 3. Location of Controls and Components 3-1.Board Location ... 3-2.
  • Page 3 8-2. Measurements Trouble shooting 9-1. Simple check 9-2. Power Supply 9-3. Main board failure check 9-4. Pannel failure and Adjustments Board failure check...

  • Page 4: General Information

    1. General Information 1-1 General Guidelines When servicing, observe the original have been overheated or damaged After servicing, see to it that all the protective shields are properly installed. After servicing, make the following exposed to shock hazards. 1) Leakage Current Cold Check 2) Leakage Current...

  • Page 5: How To Read This Service Manual

    1-2-6. Safety Check after Confirm that the screws ,parts and wiring which were removed original positions, or whether places serviced or not. Check the insulation the AC cord plug blades. And be sure the safety of that. Insuration Test 1. Unplug the plug from the AC outlet. 2.

  • Page 6: Specifications

    maydamageequipment,loosedata,get an unexpectedresultor hasto restart(part o f) a procedure. Warning: A "warning"is usedwhen thereis dangerof personalinjury. A "reference"guidesthe reader to other places in this binderor in this manual,where he/shewill find additionalinformationon a specifictopic. 2. Specification Model Screen size Aspect ratio Resolution Contrast Ratio...

  • Page 7: 3-1.Board Location

    3-1 Board Location Parts number Board Board 3-2 Main Board & AV Board 3-2-1 Function Description: Main Board: Process signal which incept from exterior display. 3-2-2 Connector definition Main board connector Power connectors (CNA1) Description Main Board Power Board equipment, then translate into signal that panel can...
  • Page 8 Pin number Notes" CNA 1-Pin 1:System power on / standby System board will use this pin to control system power. Pin number Notes: CN 1-Pin2: Backlight on/off The system can turn on or turn off the backlight supply unit path. CN 1-Pinl: Control the luminance of backlight.

  • Page 9: Power Board

    Pin number Speaker connector(CNC1) Pin number Other con nectors: CNB2 to Upgrade the program of MTK5380L 3-3. Power Board 3-3-1 Function Description: Supply power for Main board, Panel. 3-3-2Connectordefinition CON3 Signal number ADIN l-K0 ADIN2-K1 Signal number SPEA SPEA SPEA SPEA R+ (U13) AND FLASH (U17) UORX 2...
  • Page 10 Pin# CON1 Pin# CON2 Pin# Signal Si_nal 5VSB ON/OFF Signal...

  • Page 11: Lcd Panel

    3-4. LCD Panel 3-4-1 Function Description: 3-4-2 Connector definition Gr,au_ No Conn_tign No Conn_tien No :Conn_tion No ConneXion No ConneXion Ex_mal VBR (From System) VBR EXT OPC ou_ OPC O_ G;rou_ G ND R1AN F_RST LVDS R_eiver Sig_;l (A-) R1BN FIRST LVDS R_eiver Sig_l (B-) R1BP F_RS]°LVDS R_eiver Sig_l (B+)

  • Page 12: Disassemble And Assemble

    Bit Sel_t 'H' or NC= 10bit(D)_ 'L' = 8bit SECOND LVDS R_eiver SECOND LVDS R_eiver SECON D LVDS R_eiver SECOND LVDS Receiver Sigral (B+) R2CN SECOND LVDS R_eiver SECOND LVDS R_eiver Ground ...; SECOND LVDS R_eiver SECOND LVDS R_eiver Ground SECON D LVDS R_eiver S ECON D LVDS R_eiver SECOND LVDS R_eiver...

  • Page 13: Remove The Pedestal

    4-1 Remove the Pedestal [Jay down the unit so that cover faces upward (2) Remove the four screw from the rear cover indicated with red line. _3) Then remove pedestal 4-2Remove the Back Cover (1) Remove the seventeen screw indicated on figure above by red line.

  • Page 14: Remove The Power Module

    4-5 Remove the power module _1_ Remove the four screw indicated figure above by the red line. _2_ Then remove the power module 4-6 Remove the Main board _1_ Remove the eight screw indicated figure above by the red line. _2_ Remove the Main board 4-7 Remove the remote...

  • Page 15: Instructions

    5.installation instruction Externa| Equipment Accessories Haie¢ o OWNER'S Remote control Owner's Antenna Connection Multi-family (Connect to wallantenna Walt Antenna Socket RF Coaxial Wire(75 i ... VHF Antenna UHF Antenna Single-family (Connect to wall jack for outdoor Outdoor Antenna Connections TFT-LCD MANUAL manual Alkaline...

  • Page 16: External Equipment Connections

    External Equipment NOTE: All cables shownare not included with theTV. Choose Your Connection There are several ways to connectyour depending on the components the quality of the signal you want to achieve. following are examplesof some different your TVwith differentinput sources.
  • Page 17 External A/V Source How to connect Connect the audio and video cables from the external equipment's output jacks to the TVinput in the figure. When connecting the TVto external jack colors (Video = yellow, Audio Right = red). How to use 1.
  • Page 18 Connecting a DTV(digitai This TV can receive Digital Over-the-air/Cable Digital signals from adigital set-top This TVsupports HDCP (High-bandwidth How to connect Use theTV's COMPONENT, VGAor jack forvideo connections, depending your set-top boxconnector. Then, make the corresponding audioconnections. 1. Turn on the digital set-top box.
  • Page 19 Connecting a computer Howtoconnect 1. To getthe bestpicture quality, adjustthe 2. Usethe TV'sVGAor DVI (Digital connector. If the graphic card on the computer eitherVGAIN or HDMI IN todisplaytheVGAon [] If the graphic card on thecomputer H D M I ; (theother mode isset to Plugand 3.

  • Page 20: Hdmi And Dvi Connections

    5.2 HDNll and DVI Connection When thesource device(DVD How To Connect 1. Connect thesource device toHDMI 2. No separatedaudio connection How To Use If the source device supports Auto HDMI function, set to 1280x720p. If the source device does not supportAuto To get the best picture quatity, adjust the output resolution Select HDMI input source in inputsource...
  • Page 21 Cable sample "\\\\\ HDMI Cable (not supplied withthe product) HDMI to DVl Cable (not supplied withthe product) Analog Audio Cabte (Stereo to RCA type) (not supplied withthe product)
  • Page 22 Connecting Headphones You can connecta set of headphones TV programme withoutdisturbing Power source Outlet Wider Hole and Blade Polarized AC Cord to your set if you wish to watch a the otherpeople in theroom. Plug a setof headphones mini-jack socket onthe TO USEACPOWERSOURCE Use theAC polarized...

  • Page 23: Operation Instructions

    6. Operation Instructions Basal information HL26K1/HL32K1/HL32XK1/HL42XK1 1.MENU: Menu display. Press oaccess 2.iNPUT: Press to _ccess the input source mode. Pressrepe;:4edytoc}a_gethesouF-ceo/eo_eyouwsFt wach. he MENUscF-eeF 3.VOL +/< Press to adjust the volume. 4.CH +/-: Press to scan through either +/-. In the MENU screen, 5.POWER: Press toturn on andoff...

  • Page 24: Back Panel Connections

    6-2 Back panel connections L-AUDIO o@ @ 1. Digital Audio Output: Connect: vat ous Iypes of d gil:;}_t_}_tsd o equ pment NOTE: In standby mode, these ports will not work. 2. DVI Audio In: When us_9 3. Antenna Input: Connect cable or antenna signals to the TV, either directly or through your cable box. 4.

  • Page 25: Setting Up Your Remote Controller

    6-3 Setting Up Your Remote Control The remote control cannot When using the remote control, Function introduction ENTER SLEEP DISPLAY PLAY/PAUSE STOP PREV NEXT __REPEAI MTS/_SAP FRE_£ CHL/SI GUIDE FAVORITE be operated unless the batteries aim it atthe remote sensor 1 .POWER Press to turnon 2.TV DVD SETBOX...

  • Page 26: Electrical Parts

    7. Electrical parts 7-1. Block diagram A¥ 7-2. Circuit Diagram MTK5380L MT8292 D_FLAY YLAT TPA3101...
  • Page 27 MT5380 (DDR1) MODEL NAME: MT5380P1-V2 INITIAL 1 Change Vcore Voltage INDEX 3 Add R49, R50 for A version IC 4 Change C20, C21 for crystal capacitors 5Add DRAM Serial resistors 6Add CEC uP 7 Add U16 MT8292 DIGITAL POWER ANALOG POWER PERIPHERAL ANALOG...
  • Page 28 AZ1117/adj SOT223/SMD I,. 5 ouTI ... 110_°/o _CE71 f __000_,_yO2200F10V_,000F10V, _Z-__ AP1513/SOP-8 _12v SOP8/SMD R518 C301 0.1uF R0603/sMDTc0402/SMD;3 lOOoF,lOV --_--0.1oF > lOOK _ >> 0.1uF C0402/SMD AZ1117/adj +5VSB SOT223/SMD !c1E_u!U/_ VV/D 6 _o;:go 1.25 • DV33 AV33 t __ L134 1_,_o,o_o,1 NS/FB Os_3...
  • Page 29 AZ1117/adj SOT223/SMD ' Rt2 ' 110 CE22 CB18 O.luF C100UF16\ 'D6.3H ' R14 __, RO6O , 180 100uF/16V 71CO4O2/SMD AZ1117/adj SOT223/SMD ,N_OUT_ A 3/SMD CE83 100uF/16V C100UF16V/D }.3H7 CO4O2/SMD 3/SMD 9v I I °033sMD CE224 CBt97 0330UF1OV I;O4O2/SMD 220uF/16Vy_ O.luF •...
  • Page 30 U13B OSDA0 OSDA0 OSCLO 24,5 GPIO OSCL0 GPIO OSDA1 GPIO OSDA1 GPIO OSCL1 GPIO OSCL1 GPIO OPWM0 1 q,q GPIO OPWM0 GPIO OPWMI 2o 4 GPIO OPWM1 GPIO OPWM2 ?0,_ GPIO OPWM2 GPIO VCXO GPIO VCXO GPIO OXTALO 14,5 GPIO XTALO GPIO OXTALI...
  • Page 31 UI3D AVDD12 ADCPLL USB DM USB VRT AVDD12 PLL tiff AVDD12 TVDPLL AVDDI2HDM_PLL AVDD12 AVDD33 AVDD12 AVDD12 AVD533 AVD512 APLL AVDD12 AVDD12 STSPLL AVDD12 AVDD12 DMPLL AVDD12 AVDD12_TDPLL AVDD12 MT5380SMDLQFP LQFP256/SMD/5380/9 AV33 AV25 DD33 AV12 FB34 B_D/ A_D[ BEAD/ MD/0603 47UF/10_ CB87 "...
  • Page 32 U13A RDQS0 RDQS0 RDQM0 RDQM0 RDQ0 RDQ0 RDQ1 RDQ1 RBA0 RDQ2 RDQ2 RDQ3 RDQ3 RBA1 RDQ4 RDQ4 RDQ5 RDQ5 RP_S RDQ6 RDQ6 RDQ7 RDQ7 RA10 RDQSI RDQS1 RDQMI RDQM1 RCAS RDQ8 RDQ8 RA12 RDQ9 RDQ9 RCKE RDQ10 RDQ1O RA11 RDQ11 RDQ11 RDQ12 RDQ12...
  • Page 33 U13J POCEO# ?,5P UORX POCE0 UORX POOE# ?,51 UOTX POOE UOTX PDDO PDD0 PDD1 OIRI PDD1 OIRI 7,53 JTMS JTMS JTRST# JTRST JTCK JTCK ?,5,5 JTDO JTDO JTDI JTDI DV33 MT5380 SMD LQFP LQFP256/SMD/5388/9 RNO683/SMD JTRST# JTDI JTMS JTCK JTDO RO603/SMD U131 DVI 0...
  • Page 34 UI3K RX0CB N 7R RX0CB EXT REsLZZ_< RX0C N RX0C OPW_ SV OPWR0 RX00B N RX0 CB _NR2 ./_ RX0 CB RX00B RX00 N R0402/SMD RX00 RX0 IB N RX0 C _N R4 RX0 C RX0 18 RO402/SMD R0402/SMD RX0 I N AVDD33 RX0 I AVDD33 HDM_...
  • Page 35 AVOO33 LVOS AVDD33 LVDSA AVDD33 LVDSB AVDD33 LVDS AV33 AVDD33 LVDSC AVDD33 VPLL CKIN CKIN CE580 CKIP AV33 CK2N CK2N FB37 CK2P MT5380 [QFP LQFP256/SMD/5380/9 ADN4 << >> ADN4 OPWM0 VCXO ... l l +_3SS 4,i4 _S_A0 _ O_A0 U2TX I OV_ 5V _ )) 0V0 5__...
  • Page 36 CE_47 _OS/SMD CE_48 IOUF,1OV R164B IOUF,1OV YPBPROLIN R152 YPBPROR N C592 AVSS DI:III: Avss IR1848 _ 1oK DVD¥1 _, ...Ii@4 _ESD _o2 IO_ D192 _ESD _O2 IO_F C_O2_SMD R_OS,SMD CNC4 _HS-SA-W SI_3_20, HAIER _l__us_lnw_lnVn DVDL IN DVDL IN DVD/DVBT/USBLf DVD/DVBT/USBR}N...
  • Page 37 R0603/SMD_ C0402/SMD VSYNC# R167_/N/,0 VSYNC R170 C137 ESD 0402 t0pF C0402/SMD R0603/SMD__ C0402/SMD HDMbR RCA2X1 HDMJLjN D_82 0402 t0pF 04021 RCA2/HAIER/L C0402/SMD C0402/SMD " " +5VSB R101 R0603/SM 2N7002LT1 SOT23/SMD 3QF6 SOT23/SMD 2N7002LT1 UPDATA LEVEL SHIFTER +5VSB NEARLY VGA CON.
  • Page 38 UI3F d vBs3 CVBS0 DVDD25 VADC DVSS25 VADC C569 CVBSI CVBSI DVSS25 VADC GND _UNEm m_ ql_l GNO TUNEm TUNER CVBS /3 r] CVBS / 96 / 94 AVDD25 VADC AVDD25 VADC AVSS25[VADC AVDD25AVSS25VADCREF AVDD25 AVSS25 AVSS25 /4{) AVDD25 V_NDC AVDD25 VINSC AVSS25...
  • Page 39 U13G AIN0 L ASPDIF AIN0 ASPDIF AIN0 R ?or) AOMCLK AIN0 AOMCLK AIN1 L AOLRCK AIN1L AOLRCK AIN1 R AOBCK AIN1R AOBCK AIN2 L AOSDATA9 AIN2 AOSDATA0 AIN2 R AIN2 AIN3 L AIN3 AIN3 R AIN3 AVDD33 AADC AVDD33AADC AVSS33 AADC AVDD33 ADAC0...
  • Page 40 VCMP_A VCM33 CB985 0 luF C0402/SMD 8292 MaPO8 ANSR A_NSL MVDDS3 8292 MGPO7 MVDDS3 aP07 VCM33 VCMSS aP06 MGND33 MGND33 aP05 ADCOUTL DGND ADCOUTR ADCOUTR DVDD HPOL MGPO4 8292 MGPO4 HPGND HPOUTL GPO4 MGPO3 8292 MGPO3 HPGND GPO3 HPVDD MGPO2 8292 MGPO2 HPVDD...
  • Page 41 +24/16 5V +24/165V CNA2 TEST RU3M D_ODES RU3M D_ODES DIODBS/RU3M DIODBS/RU3M +/2V DI751N4148 +/2V CE630_I RO603/SMD c4zuF16v/ 5H7 D178 R/780 /N4148 IN414 RO603/SMD 47uF/IgVI_ R1783/ .N/_D ...OUT]AMP "VN_6fl3/S_D 4701470 01_71p t +12V <4 >> OP'O 1314 MUTE >> MUTE A£10UWAMP _ A_UT_AMP R1771 RO603/SMD...

  • Page 42: Wiring Connection Diagram

    7-3 .Wiring Connection Diagram Customer type HL42XK1 Factory type LA42R3 Special number DC13UOE0101 Special technique document number AT08SR0415US12 Export country American Customer "AC... Ha!:: /:we ( 3 ) LVD8 Connector Pov,,,,pp modoi _ ) >01< ?Y" ti_ 0 ;l<P c h iserqot i power wire k .;_i...

  • Page 43: Measurements And Adjustments

    8. Measurements 8-1, Service Mode 8-1-1 .How to enter into Service The way to the factory mode menu: 1st, press menu, 2en, input 8893, Finished these operations, 8-1-2.How to exit IF want to exit this factory menu,please press the botton"Exit" in the remoter. 8-2 Measurements and Adjustments 8-2-1 Version...
  • Page 44 8-2-2 Video Auto Color The option could only be used in the VGA and Component model. When we found the color in the two models was abnormal. Then we can use the function to adjust it automatically. Color Temperature The function could adjust the Color Temperature., used when debugging.
  • Page 45 Compression: C ompression style. RF: atv line: AV/S-Video/YPbPr/VGA CompressionFactor:Compression state. Downmix: outputmodel.MTSSystem:usedwhendebugging. T he parameters only usedwhen debugging, n o needto be modified. 8-2-4 Channel Range Scan: The function digital channels. Single RF Scan: Search channels could make it to search the channels in the frequency scope set in advance.
  • Page 46 FactoryScan: Accordingto ANTENNA-ANALOG---) A NTENNA-DIGITAL---) C ABLE- ANALOG---) CABLE-DIGITAL to searchchannels,usedonlyin projectdebugging. TunerDiagnostic: P rojectdebuggingsetting,usedto inspectthe audiofunction. 8-2-5Gamma Gamma: Bright: GAMMA0.8 Middle: defaultsettingsin the program Dark: GAMMA1.2...
  • Page 47 8-2-6 Backlight Backlight: adjust the backlight. 8-2-7 Function Burning Mode: Turn it "ON" to enter the aging model, This is for factory run-in testing. The screen would display red, green, blue and black screen repeatedly. Each color screen could be exam at that time.
  • Page 48 CleanStorage. The functioncouldmakethe modelturn backto the factorydefaultsetting.

  • Page 49: Trouble Shooting

    Remark: The date ofthe chart onlyis a example,pleasedon't adjustthe factorymodebaseon it. 9. Trouble shooting 9-1. Simple check No Picture,no sound Blank screen No sound Poor sound No picture in some channel color some channel program(black and white) Spots with some or all pictures Verify if the television is properly Verify if the television...
  • Page 50 Horiaontal/vertical bars pictureshaking Televisionout of control 9-2. Power Supply Board failure check. Check peripheral power F1 is damaged? supp[y Check p!wez" fol low 1'Power 2'Reset 3' Crystal Change Check for local interference power tool. Disconnect the television later, connect the television still exists, contact authorized...

  • Page 51: Main Board Failure Check

    9-3. Main board failure check State: No Sound No Sound (All Mode) _Fail Re-soldering or change IC U13 Re-soldering or change IC U55 Fail Re-soldering or change IC U2 Fail Fail Change Source input Change the Speaker...
  • Page 52 State= No picture No Raster on Panel Change the backlight B/D Re-soldering or change IC UA1 and RNA1-17 Fail Re-soldering or change IC U13 Fail Change the Panel wire Fail...

  • Page 53: Pannel Failure

    9-4. Pannel failure Failure Mode Part Name Description V B/D Vertical bar Vertat gray V Dim line Vertical color V L/D line(light dark forever) Horizontal H B/D Horizontal H Dim gary line Horizontal H L/D line(light dark forever) Failure Mode Part Name Description...
  • Page 54 Bright Flashing display alternately Failure Mode Part Name Description B/L normal, only White white Screen display B/L normal, only Black Black Screen display Circuit Flicker Crosstatk Abnormal Only Color abormal Only Abnormal abnormal Color Failure Mode Part Name Description When Mechanical panel,appear Noise...
  • Page 55 wire Without backlight open shut shutdown down sometime ,white,batck Rotundity wirelike Failure Mode Part Name Description Brightness bottom of LCM Light leakage brighter normal Mechanical B/L brightness or B/L Uniformity asymmetric Lack screw Mount hole screw damage Operation abnormal or systemic noise Short bitween lamp housing and wire, Because consume power too much F/M in B/L unit...
  • Page 56 Sincere Forever...

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