Haier LED46T3 Скачать руководство пользователя страница 80

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9-3. Mainboard Failure Check

Symptom: No Sound

No Sound

(All Mode)

Check the input

Source

Change Source input

Check the

input/output

Re-soldering or change

IC U13

Check the

input/output

Re-soldering or change

IC U55

Check the

input/output

Re-soldering or change

IC U2

Check the

Speaker

Change the Speaker

Check the

Sperker wire

Fail

Pass

Fail

Pass

Service Manual

Model No.: LEA46T3

Содержание LED46T3

Страница 1: ...ervice a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or repair the product or products dealt with in this...

Страница 2: ...ed in this manual 6 1 4 How to Read this Service Manual 7 1 4 1 Using icons 7 Chapter 2 Specification 2 1 Specification list 8 2 2 External pictures four faces 9 Chapter 3 Disassemble and Assemble 3 1...

Страница 3: ...control 28 Chapter 7 Electrical Parts 7 1 Block Diagram 29 7 2 Circuit Diagram 31 7 3 Wiring Connection Diagram 45 Chapter 8 Measurements and Adjustments 8 1 Service Mode 46 8 1 1 How to enter into Se...

Страница 4: ...the service personnel to open the units and disassemble the units For example we need to describe properly how to avoid the possibility to get electrical shock from the live power supply or charged e...

Страница 5: ...bly on a conductive surface such as aluminum foil to prevent electrostatic charge buildup or exposure of the assembly 1 3 4 About lead free solder PbF This product is manufactured using lead free sold...

Страница 6: ...e in this service manual lubrication of contacts is not required Capacitors may result in an explosion hazard 5 Do not defeat any plug socket B voltage interlocks with which receivers covered by this...

Страница 7: ...ll be installed CAUTION Be sure no power is applied to the chassis or circuit and observe all other safety precautions 17 Minimize bodily motions when handling unpackaged replacement ES devices Otherw...

Страница 8: ...but may nevertheless be valuable to the reader such as tips and tricks Caution A caution is used when there is danger that the reader through incorrect manipulation may damage equipment loose data ge...

Страница 9: ...ms Angel of view 178 Contrast 5000 1 Brightness 450cd m2 OSD language English etc Color system ATSC NTSC Audio system BG DK I L Audio output power Built in W 9W 2 Audio output power outer W No Total...

Страница 10: ...Service Manual Model No LEA46T3 9 2 2 External pictures four faces Front Side Left Side...

Страница 11: ...1 Remove the Stand 1 Lay down the unit so that back cover faces upward 2 Remove the Five screws from the back cover which are indicated with the circles in the picture above 3 Remove the stand Service...

Страница 12: ...wer Cord Then remove the power cord Remove the screw indicated by the red circles in below picture Then remove the mainboard 3 4 Remove the Mainboard Remove the five screws indicated by the red circle...

Страница 13: ...e remote control board 3 7 Remove the Remote Control Board 3 9 Remove the indicator light The indicator light is buckled into the front frame remove the clasp indicated by the red circles in below pic...

Страница 14: ...of Controls and Components 4 1 Board Location No Parts number Description A Board PANEL B Board Power Board C Board Mainboard 4 2 Main Board Service Manual Model No LEA46T3 13 A B C CND4 CND3 CON2 CN...

Страница 15: ...ROUT 12V 5V Connector CNA1 Keypad Connector CNE2 Pin number Signal name 1 12V 2 12V 3 GND 4 12V 5 GND 6 GND 7 5VSTB 8 9 GND 10 PW ON OFF 11 PB ADJUS 12 PB ON OFF Pin number Signal name 1 GND 2 KEY1 3...

Страница 16: ...4 4 LCD Panel Pin number Signal name 1 12V 2 12V 3 GND 4 12V 5 GND 6 GND 7 5VSB 8 EXT_DIM 9 GND 10 PS ON 11 INT_DIM 12 BL_ON Service Manual Model No LEA46T3 15 CNM801 CN2 CN1...

Страница 17: ...st 5 th LVDS Signal 11 Rx1 0 P 1 st 5 th LVDS Signal 12 Rx1 1 N 1 st 5 th LVDS Signal 13 Rx1 1 P 1 st 5 th LVDS Signal 14 Rx1 2 N 1 st 5 th LVDS Signal 15 Rx1 2 P 1 st 5 th LVDS Signal 16 GND Ground...

Страница 18: ...nal 29 Rx3 2 N 3 rd 7 th LVDS Signal 30 Rx3 2 P 3 rd 7 th LVDS Signal 31 GND Ground 32 Rx3CLK 3 rd 7 th LVDS Clock 33 Rx3CLK 3 rd 7 th LVDS Clock 34 GND Ground 35 Rx3 3 N 3 rd 7 th LVDS Signal 36 Rx3...

Страница 19: ...13 Rx2 1 P 2 nd 6 th LVDS Signal 14 Rx2 2 N 2 nd 6 th LVDS Signal 15 Rx2 2 P 2 nd 6 th LVDS Signal 16 GND Ground 17 Rx2CLK 2 nd 6 th LVDS Clock 18 Rx2CLK 2 nd 6 th LVDS Clock 19 GND Ground 20 Rx2 3 N...

Страница 20: ...4 th 8 th LVDS Clock 34 GND Ground 35 Rx4 3 N 4 th 8 th LVDS Signal 36 Rx4 3 P 4 th 8 th LVDS Signal 37 Rx4 4 N 4 th 8 th LVDS Signal 38 Rx4 4 P 4 th 8 th LVDS Signal 39 GND Ground 40 NC NC 41 NC NC...

Страница 21: ...s instructions 7 Do not install near any heat sources such as radiators heat registers stoves or other apparatus including 8 amplifiers that produce heat Do not defeat the safety purpose of the polari...

Страница 22: ...ion between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician...

Страница 23: ...r product This easy to use manual will guide you in getting the best use of your product Remember to record the model and serial number They are on label in back of the unit Model number serial number...

Страница 24: ...troduction 5 Controls 5 Connection Options 6 Universal Remote control 7 Installation 8 External Equipment Connections 8 Accessories 8 Antenna Connection 8 Choose Your Connection 9 Connecting a VCR 9 E...

Страница 25: ...change the source to the one you want to watch In the MENU screen the INPUT button serves as the ENTER button 3 VOL Presstoadjustthevolume IntheMENUscreen thesebuttonsserveasleft rightbuttons 4 CH Pre...

Страница 26: ...se jacks 5 PC Video In Connect a video cable from a computer to this jack 6 PC Audio In Connect the audio L R cables from a computer to this jack 7 HDMI In Connect a HDMI device to receive digital aud...

Страница 27: ...display the guide when you are watching analog or digital channels D CCD closed caption Select a closed caption E HDMI Press to select a device connected to the HDMI input F PC Press to select the com...

Страница 28: ...gs Apartments Connect to wall antenna socket Wall Antenna Socket RF Coaxial Wire 75 ohm Single family Dwellings Houses Connect to wall jack for outdoor antenna Outdoor Antenna To improve the picture q...

Страница 29: ...R button to confirm Operate the corresponding external equipment D Component Setup How to connect Connect the DVD video outputs COMPONENT to the Y Pb Pr jacks on the TV and connect the DVD audio outpu...

Страница 30: ...nector Then make the corresponding audio connections How to use Turn on the digital set top box Refer to the owner s A manual for the digital set top box Use INPUT on the remote control to select B CO...

Страница 31: ...of time The fixed image may become permanently imprinted on the screen The synchronization input form for Horizontal and R Vertical frequencies is separate Resolution Y Mode Resolution Frame frequency...

Страница 32: ...may damage your hearing You will not receive sound from the speakers when R you connect headphones to the system Power source TO USE AC POWER SOURCE Use the AC polarized line cord provided for q oper...

Страница 33: ...ns Choose A TV Input and then press MENU button Press B button to select Function menu Press C ENTER button and then use button to select Language Press D button to select language English Spanish or...

Страница 34: ...urrent program time Channel Video Audio Channel Lock Function Select Back EXIT Tuner Mode Antenna Channel Scan Channel Skip Channel Labels Time Shifting Mode On Press E ENTER button to start searching...

Страница 35: ...upted data block it would show Data lost message to indicate that the current data is not stored correctly Please connect the TV antenna or Cable TV coaxial R cable to the Antenna input on the TV Then...

Страница 36: ...lor Tint Sharpness and Color Temperature can be set by user In other mode the value of them are preset Color temperature Y This will increase or decrease Warm red and Cool blue colors to suit personal...

Страница 37: ...PC ENTER Video Audio Lock Function PC Auto Sync H Position V Position Phase Clock 50 50 Select Back Adjust EXIT 50 50 Press C ENTER button and then use button to adjust the setting Audio menu How to...

Страница 38: ...y in Mono even though Stereo or SAP has been selected Select Mono if you want to listen to mono sound during stereo SAP broadcasting Stereo or SAP can be received in a Analog channel Use A SAP button...

Страница 39: ...select On or Off When Auto mode on the time can not be adjusted Select Off you can operate to set the time manually Date Press VOL button to select the position and digits button to set the date Time...

Страница 40: ...ay the digital closed caption automatically or by Custom mode Font Size To adjust the font size Large Small or Medium Font Style To adjust the font style Style1 Style2 Style3 Style4 Style5 Style6 and...

Страница 41: ...dialogue applies to TV PG TV 14 L Language adult language applies to TV PG TV 14 TV MA S Sex sexual situations applies to TV PG TV 14 TV MA V Violence applies to TV PG TV 14 TV MA FV Fantasy Violence...

Страница 42: ...blocked TV Y TV Y7 TV G TV PG TV 14 and TV MA The sub ratings A D L S V FV work together R similarly How to set the A D L S V and FV sub ratings Y First press q button select one of these Ratings TV Y...

Страница 43: ...bmenu Are you sure OK Cancel Press VOL button to select OK or Cancel then OK to confirm If OK the parameter will return to the factory set Note If there is any lock mark on the top of the set such as...

Страница 44: ...s instantly Real time captioning is normally done by professional q reporters using a machine shorthand system and computer for translation into English Captioning is an effective system for the heari...

Страница 45: ...pport the class of USB HD that follows USB power consumption spec The television operation may be halted due to D excessive rate of information code errors In such case restart the system Please note...

Страница 46: ...file and then press ENTER button to enter the play interface 1 Play Time 4 Shuffle On or Off 2 File Name 5 Audio Only 3 Repeat 6 Information Press D MENU button to display the option list 1 Play Paus...

Страница 47: ...nd Cable boxes Control Operation Program the Controller to work with your device A Changing device mode by pressing the TV B DVD STB CABLE VCR AUD key When device is set related device LED will be on...

Страница 48: ...econds manually scan mode will be automatically exit The code can not be saved to EEPROM After searching the entire data base this mode will be automatically exited and led will blink for 3 times in 1...

Страница 49: ...National 059 067 18 AOC 060 061 062 222 331 349 350 353 19 Apex 092 135 151 195 339 NO Brand Code 20 Archos 308 21 Astar 259 22 Audiovox 067 189 191 207 256 333 335 337 23 Aventura 053 24 Axion 280 25...

Страница 50: ...Brand Code 174 177 179 190 208 291 320 347 351 182 Philips Magnavox 042 045 089 090 096 183 Phonola 347 184 Pilot 060 076 331 349 350 352 185 Pioneer 060 062 156 157 205 212 186 Plasmsync 269 187 Pola...

Страница 51: ...293 64 Ilo 213 65 iLuv 314 66 Initial 278 343 67 Insignia 274 289 298 303 354 68 Integra 326 340 69 Irradio 174 70 iSymphony 294 71 Jamo 308 72 JBL 162 347 73 Jensen 311 331 74 JVC 030 031 032 033 03...

Страница 52: ...rter 028 NO Brand Code 55 Hewlett Packard 111 56 Hitachi 008 013 048 57 HNS 110 58 Howard Computers 111 59 HP 111 60 HTS 133 61 HughesNetworkSystems 013 110 122 124 125 130 62 Humax 110 122 63 Hush 11...

Страница 53: ...Hisense 094 23 Hitachi 023 037 24 HTS 095 25 Hughes Network Systems 008 011 016 017 019 024 040 052 085 26 Humax 068 27 Ilo 094 28 Insignia 075 29 Jerrold 093 30 JVC 000 013 014 095 31 Lasonic 082 32...

Страница 54: ...35 Classic 221 36 Coby 147 331 37 Creative 274 302 38 Curtis 207 39 Curtis Mathes 283 40 Dell 312 41 Denon 053 054 055 056 057 133 134 156 157 158 160 161 163 164 165 171 172 176 180 185 187 188 189...

Страница 55: ...or a while Wet a soft cloth in a mixture of lukewarm water and a little fabric softener or dish washing detergent Wring the cloth until it s almost dry and then use it to wipe the screen Make sure the...

Страница 56: ...ots or some anomalistic stripes or spots This is not defect If the TV set is used in an area 2 400 meters above the sea level where the air pressure is below 750 hpa the picture on the LCD screen may...

Страница 57: ...aler nor shall Haier be liable or in any way responsible for incidental or consequential economic or property damage Some states do not allow the exclusion of incidental or consequential damages so th...

Страница 58: ...I E2 WP Tx VGA control L WP 5305A GPIO Definition PIN NAME NET NAME GPIO0 GPIO_0 GPIO_1 GPIO1 ADIN3 ADIN4 ADIN5 OPCTRL0 OPCTRL1 OPCTRL2 OPCTRL3 keypad1 strap 4 jtms LED_red System status LED ADIN0 OPC...

Страница 59: ...Hsin Chu City 300 Drawn MT5305A P1V1 V1 C 2 15 Tuesday October 13 2009 Placement SYS Flow MediaTek Confidential By Ray DELETE S_VIDEO Audio Mapping AV1 VGA DVI YPBPR 1 I2S PWM AR L0 PWM AR L1 R L Line...

Страница 60: ...1K_1 R0603 SMD AR264 5 1K_1 R0603 SMD ACB442 0 1uF ACB442 0 1uF AU61 AX1212 AP1122 AU61 AX1212 AP1122 GND 1 OUT 2 IN 3 AC222 0 1uF AC222 0 1uF AR1830 0 AR1830 0 AC226 10uF 10v AC226 10uF 10v AR265 2...

Страница 61: ...uF SPC9 1uF R88 100K R88 100K SPC21 NS 1uF SPC21 NS 1uF C15 0 1uF C15 0 1uF SPC3 47uF 16v SPC3 47uF 16v SPR3 180_1 R0603 SMD SPR3 180_1 R0603 SMD L5 15uH 3A LCB1212 L5 15uH 3A LCB1212 1 2 SPC10 0 1uF...

Страница 62: ...AC290 0 47uF NC AC290 0 47uF NC ACE645 100uF 10v NC ACE645 100uF 10v NC AC997 30pF AC997 30pF AQ1 2N3904 NC AQ1 2N3904 NC 1 3 2 AC1001 4 7uF 10V AC1001 4 7uF 10V AC1035 0 1uF AC1035 0 1uF AFB77 0603_B...

Страница 63: ...OPWM2 6 AVDD33_HDMI 8 AOLRCK AOBCK AOMCLK AOSDATA0 ADIN1 6 ADIN0 6 AIN0_L AIN0_R CVBS0P 9 OPWR0_5V 8 HPD_SINK 8 LVDS_CTRL2 Title Size Document Number Rev Date Sheet of MediaTek Inc TEL 03 567 0766 FAX...

Страница 64: ...VDDQ G7 DQ0 G8 VDDQ G9 DQ4 H1 VSSQ H2 DQ3 H3 DQ2 H7 VSSQ H8 DQ5 H9 VDDL J1 VREF J2 VSS J3 VSSDL J7 CK J8 VDD J9 CKE K2 WE K3 RAS K7 CK K8 ODT K9 NC BA2 L1 BA0 L2 BA1 L3 CAS L7 CS L8 A10 AP M2 A1 M3 A...

Страница 65: ...0 1uF CD30 NS 0 1uF CD30 NS 0 1uF RD26 1K_1 RD26 1K_1 RD19 56 RD19 56 CD3 NS 0 1uF CD3 NS 0 1uF CD31 0 1uF CD31 0 1uF CD25 0 1uF CD25 0 1uF CD12 1uF CD12 1uF CD32 4 7uF 10V CD32 4 7uF 10V RD18 1K_1 RD...

Страница 66: ...OCKN G18 AECKN G19 AECKP G20 AO3P H17 AO3N H18 AE3N H19 AE3P H20 AO4P J17 AO4N J18 AE4N J19 AE4P J20 BE0N M17 BE0P M18 BO0P M19 BO0N M20 BE1N N17 BE1P N18 BO1P N19 BO1N N20 BE2N P17 BE2P P18 BO2P P19...

Страница 67: ...74 100 Q63 2N3904 Q63 2N3904 1 3 2 CNA2 USB_H CNA2 USB_H __VBUS 1 __D 2 __D 3 __GND 4 GND 5 GND 6 YR6 100 YR6 100 R1770 10K R1770 10K FM1 FM1 CNB2 PH3 4A NC CNB2 PH3 4A NC 1 2 3 4 D2 ESD_0402_10pF D2...

Страница 68: ...BIP Hsin Chu City 300 Drawn MT5305A P1V1 V1 C 7 15 Wednesday October 14 2009 FLASH TRAP BYPASS FCI MediaTek Confidential Title Size Document Number Rev Date Sheet of MediaTek Inc TEL 03 567 0766 FAX 0...

Страница 69: ...D64 ESD_0402_0 15pF 1 2 D117 ESD_0402_10pF D117 ESD_0402_10pF 1 2 CN10 HDMI_con CN10 HDMI_con SHELL1 20 SHELL2 21 D2 1 D2 Shield 2 D2 3 D1 4 D1 Shield 5 D1 6 D0 7 D0 Shield 8 D0 9 CK 10 CK Shield 11 C...

Страница 70: ..._0402_10pF D57 ESD_0402_10pF 1 2 VP1 D SUB15 FEMALE VP1 D SUB15 FEMALE 16 17 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 D59 D59 1 2 VC2 10nF VC2 10nF QF6 2N7002 QF6 2N7002 1 3 2 VR18 10K VR18 10K VR4 0 VR4 0...

Страница 71: ...47uF 16v CE645 47uF 16v CE629 47uF 16v CE629 47uF 16v R1781 4 7K R1781 4 7K C647 1000pF C647 1000pF L147 FB L147 FB EC2 100pF NC EC2 100pF NC Q60 2N3904 Q60 2N3904 1 3 2 R1730 10K R1730 10K EC16 100uF...

Страница 72: ...10 PLL_FLTP 11 VR_ANA 12 AVDD 13 FAULT 14 OSC_RES 16 DVSSO 17 VR_DIG 18 PDN 19 LRCLK 20 SCLK 21 SCL 24 RESET 25 STEST 26 DVDD 27 DVSS 28 PVCC_D 29 PVCC_D 30 PGND_D 31 OUT_C 36 OUT_D 33 PGND_C 34 PGND_...

Страница 73: ...P1V1 V1 C 12 15 Wednesday October 14 2009 LVDS BACKLIGHT MediaTek Confidential Title Size Document Number Rev Date Sheet of MediaTek Inc TEL 03 567 0766 FAX 03 578 7610 No 1 2 Innovation Rd 1 SBIP Hsi...

Страница 74: ...ection Wire Control Speaker Wire LVDS Wire LVDS Wire Connection Wire 12V 5V Remote Control Board Assembly CND3 CND4 CND5 CNE2 JP1 PD801 CNM801 CN2 CN1 Power Cord 0090401964 Connection Wire 12V 5V LVDS...

Страница 75: ...out the factory mode menu 8 2 Measurements and Adjustments 8 2 1 The Main Menu In factory mode menu press up down button to choose the up down item press left right button to the submenu press OK but...

Страница 76: ...Color Temperature This page is control the Color Temperature and the picture size Picture Mode This page is control the picture effect like Brightness contrast color sharpness Service Manual Model No...

Страница 77: ...In this page you just consider the software update function Plug USB into the 1st USB port select SOFTWARE UPDATE press OK Then flip the other window perss OK The update is going work NOTE After soft...

Страница 78: ...fy if correct channel is selected Adjust the antenna Make adjustments by Fine Tune and MANUAL Scan No color for some channel program black and white Verify if the same problem exists in other channels...

Страница 79: ...F C160 0 1uF C121 470nF C140 1uF C281 330pF 25V R334 22 C283 100nF 25V CA84 470uF 35V C100 0 1uF C258 100nF 25V R329 100 R306 10K C291 100nF 25V R346 22 C244 100nF 25V R359 12 R494 12 C79 0 1uF L31 60...

Страница 80: ...t Check the input output Re soldering or change IC U13 Check the input output Re soldering or change IC U55 Check the input output Re soldering or change IC U2 Check the Speaker Change the Speaker Che...

Страница 81: ...Sunken TCP lead cracking ACF bonding short Awful environment and something electric enter into LCD Mis align between TCP and Panel Panel failure TCP failure V Dim Vertal gray line V L D Vertical color...

Страница 82: ...r Bladder between Polarizer and top glass Polarizer Scratch Polarizer Scratch Tine or rigidity arose F inside Polarizer Eyewinker inside Polarizer Eyewinker inside Polarizer Circuit Abnormal Display A...

Страница 83: ...nt and EDS Black Screen B L normal only Black screen display FIIcker Crosstalk LCD Vcom imbalance Abnormal Color Only color abormal Capacitance improper bring crosstalk inside LCD pannel Abnormal Colo...

Страница 84: ...ire and electrode B L dark B L brightness darker than normal Connect badnessShort between wire and electrode B L wire damaged B L wire damaged Operation abnormal or systemic noise B L wire open Withou...

Страница 85: ...cal or B L Light leakage Brightness at bottom of LCM brighter than normal B L unit badness Uniformity B L brightness asymmetric Sheet in B L unit is uneven Mount hole Lack screw or screw damage Lack s...

Страница 86: ...Sincere Forever...

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