Haier LE48M7000A Service Manual Download Page 9

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LE55M7000A

Model

Screen Size
Aspect Ratio

16:9

Resolution

1920x1080

Brightness (cd/m²)

300

Contrast

2000:1

Response Time (ms)

Angel of View

H:170°, V:160°

Color Display

16.7M

OSD Language

English

Color System

PAL

Audio System

BG/DK/I

Audio Output Power (Built-in) (W)

2x1 0W +10W(subwoofer)

Audio Output Power (outer) (W)

Total Power Input (W)

150W

Voltage Range (V)

AC 100V~240V

Power Frequency (Hz)

50/60Hz

Time of Sleep Timer (MINS)

240Min

Net Weight (KG)

15.3

Gross Weight (KG)

8.70

Net Dimension (MM)

124 x 24.4x 76.4

Packaged Dimension (MM)

1340

207

825

2-1. Specification list

Model No.: LE48M7000A

LE48M7000A

48"

Summary of Contents for LE48M7000A

Page 1: ...chnical individuals of potential dangers in attempting to service 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 service information by anyone else could result in serious injury or death 2013 Qingdao Haier Electronics Co Ltd All rights reserved Unautho...

Page 2: ...1 3 8 Photo used in this manual 6 1 4 How to Read this Service Manual 6 Using icons 6 Chapter 2 Specification 2 1 Specification list 8 2 2 External pictures four faces 9 Chapter 3 Disassemble and Assemble 11 3 1 1 Remove the Stand 11 3 1 2 Remove the Back Cabinet 11 3 1 3 Remove the Mainboard 11 3 1 4 Remove the Power Supply Module 11 3 1 5 Remove the Speaker 11 3 1 6 Remove the Remote Control Boa...

Page 3: ...r 7 Electrical Parts 7 1 Block Diagram 23 7 2 Circuit Diagram 30 Chapter 8 Measurements and Adjustments 8 1 Service Mode 31 8 1 1 How to enter into Service Mode 31 8 1 2 How to exit 31 8 2 Measurements and Adjustments 31 8 2 1 The Main Menu 31 8 2 2 General Setting 32 8 2 3 Picture 32 8 2 4 Sound 33 8 2 5 Debug 33 8 3 Software Update 34 8 3 1 RT217 6369 software update 34 Chapter 9 Trouble shootin...

Page 4: ... potential hazard or risk for 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 electrical parts even the power is off This symbol indicates that high voltage is present inside It is dangerous to make any king of contact with any inside part of this pr...

Page 5: ... electrical assembly equipped with ES devices place the assembly 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 solder as a part of a movement within the consumer products industry at large to be environmentally responsible Lead free solder must be used i...

Page 6: ...N This is a flammable mixture Unless specified otherwise 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 service manual might be equipped 6 Do not apply AC power to this instrument and or any of its electrical assemblies unless all solid state device...

Page 7: ...motions when handling unpackaged replacement ES devices Otherwise harmless motion such as the brushing together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity sufficient to damage an ES device 1 3 7 Ordering Spare Parts Please include the following informations when you order parts Particularly the Version letter 1 Model number serial numbe...

Page 8: ...ta get an unexpected result or has to restart part of a procedure Warning A warning is used when there is danger of personal injury Reference A reference guides the reader to other places in this binder or in this manual where he she will find additional information on a specific topic 7 Service Manual Model No LE55M7 Model No LE48M7000A ...

Page 9: ...System PAL Audio System BG DK I Audio Output Power Built in W 2x1 0W 10W subwoofer Audio Output Power outer W No Total Power Input W 150W Voltage Range V AC 100V 240V Power Frequency Hz 50 60Hz Time of Sleep Timer MINS 240Min Net Weight KG 15 3 Gross Weight KG 8 70 Net Dimension MM 124 x 24 4x 76 4 Packaged Dimension MM 1340 x 207 x 825 2 1 Specification list 8 Model No LE48M7000A LE48M7000A 48 ...

Page 10: ...Service Manual 2 2 External pictures four faces Front Side Up Side 9 Model No LE48M7000A ...

Page 11: ...Service Manual Right Side Back Side 10 Model No LE48M7000A ...

Page 12: ... which in the picture above 4 Remove the stand 3 1 4 Remove the Power Supply Module 3 1 2 Remove the Back Cabinet 3 1 4 Remove the Speaker 1 Remove the screws indicated by red circle in below picture 1 Remove the twenty two screws indicated with red circles 2 Turn over the cover remove the two screws indicated 2 Flip machine panel side up by red circle in below picture then you can take off 3 Care...

Page 13: ...Service Manual 3 1 6 Remove the Remote Control Board And the Key Board Remove the Remote Control Board and the Key Board indicated byred circle in below picture 12 Model No LE48M7000A ...

Page 14: ... Components 4 1 Board Location 13 A Board D Wifi Board B Board C Panel No Parts number Description A Board main board B Board power board C Panel LCD Panel D Board WIFI board Model No LE48M7000A 6007460247 712 48085 V8350 DH1UB0D0306M 821 SJ140 73001 ...

Page 15: ...display 4 2 2 Connector definition 14 IR Key Interface CN4 Pin number Signal name 1 GND 2 K7 3 K6 4 K5 5 K4 6 K3 7 K2 8 K1 9 K0 10 GND 11 IR 12 GRE 13 RED 14 5V LED Backlight control interface CN604 Pin number Signal name 1 GND 2 GND 3 ADJ 4 BLON 5 12V 6 12V Speaker connector CN30 Pin number Signal name 1 ROUT 2 ROUT 3 LOUT 4 LOUT Model No LE48M7000A ...

Page 16: ...807 2P_2 0mm Pin number Signal name 1 LOGO LED 2 Ground AMP_Power 4P_2 54mm Pin number Signal name 1 AMP_ Pwr 2 AMP _ Pwr 3 Ground 4 Ground X1 10P_2 54mm Pin number Signal name Pin number Signal name 1 12v Power 6 V_Panel 2 Ground 7 Ground 3 5v Power 8 Ground 4 5v Power 9 Power ON OFF H ON L OFF 5 V_Panel 10 Standby 5v Power Model No LE48M7000A ...

Page 17: ...15 ...

Page 18: ...Service Manual 4 3 LCD Panel Backlight Unit LVDS CONNECTOR 16 Model No LE48M7000A ...

Page 19: ...Service Manual 17 Model No LE48M7000A ...

Page 20: ...Service Chapt 5 1 Acc Re 18 e Manual er 5 In cessories emote Con nstallat s ntrol tion Ins structio ons Ba atteries Model No LE48M7000A ...

Page 21: ...cable to the PC interface connector on the TV Tighten the screws on the D E VGA connectors and connect the audio cable not supplied to the audio input socket on the back of the TV Turn on the TV firstly and then the PC Press the Source button on the TV or TV remote control to set the video input mode to PC F Once the image shows if there is noise present change the PC mode to other resolutions cha...

Page 22: ...wn 3 CH TV channel up 4 VOL Press to decrease the volume 5 VOL Press to increase the volume 6 MENU Press to select the main menu 7 SOURCE Press to select the source Service Manual Chapter 6 Operation Instructions 6 1 Front Panel Controls 20 Model No LE48M7000A ...

Page 23: ...Service Manual 6 2 Back Panel Controls Service Manual Model No LE48M7000A ...

Page 24: ...6 3 Setting Up Your Remote Control When using the remote control aim it towards the remote sensor on the TV Model No LE48M7000A ...

Page 25: ...Service Manual Chapter 7 Electrical Parts 7 1 Circuit Diagram Model No LE48M7000A ...

Page 26: ...2 3 H23 H23 1 ADJ OUT IN U3 ADJ OUT IN U3 3 2 1 4 CN16 CN16 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 C32 C32 CP10 CP10 R6 R6 R154 R154 R73 R73 R44 R44 R36 R36 R1172 R1172 R21 R21 H6 H6 1 H36 H36 1 2 3 4 5 6 7 8 9 C21 C21 C41 C41 C3 C3 ADJ OUT IN U2 ADJ OUT IN U2 3 2 1 4 C9 C9 H35 H35 1 R43 R43 H24 H24 1 R49 R49 R74 R74 R45 R45 H7 H7 1 C216 C216 H19 H19 1 2 3 4 5 6 7 8 9 R48 R48 C44 C4...

Page 27: ...TP13 TP13 1 R149 R149 R770 R770 R188 R188 R102 R102 C292 C292 R100 R100 R211 R211 C230 C230 C203 C203 R144 R144 S2 S2 1 2 L113 L113 R168 R168 R179 R179 C145 C145 R180 R180 C194 C194 R128 R128 C295 C295 C208 C208 RM8 R0402 SMD RM8 R0402 SMD R150 R150 C211 C211 U100F U100F AVDD_DDR0_D L22 AVDD_DDR1_D P23 AVDD_DVI V5 AVDD_AU33 W5 VDDC AB24 VDDC AC25 VDDC AC26 VDDC AC27 VDDC AD28 VDDC_DDR W22 VDDC AD2...

Page 28: ...6 4 2 RP323 7 5 3 1 8 6 4 2 RP323 MR338 MR338 MR300 MR300 C311 C311 C314 C314 7 5 3 1 8 6 4 2 RP313 7 5 3 1 8 6 4 2 RP313 C304 C304 R327 R327 MR344 MR344 C331 C331 MR314 MR314 CB39 CB39 MR308 MR308 7 5 3 1 8 6 4 2 RP362 7 5 3 1 8 6 4 2 RP362 MR313 MR313 7 5 3 1 8 6 4 2 RP367 7 5 3 1 8 6 4 2 RP367 7 5 3 1 8 6 4 2 RP311 7 5 3 1 8 6 4 2 RP311 MR333 MR333 C320 C320 7 5 3 1 8 6 4 2 RP326 7 5 3 1 8 6 4 ...

Page 29: ...3M 3 A4P 3 A4M 3 BRT_CNTL_OUT 2 BRT_CNTL_IN 2 3D_FLAG 3 3D_LR_in 3 PANEL_S1 3 PANEL_S2 3 LVDSSEL 3D_ON 3 AI 3 LR_SYCN 3 M_SDA 3 12 15 M_SCL 3 12 15 Title Size Document Number Rev Date Sheet of LVDS 1 0 MSxxx D 5 15 Thursday September 26 2013 Title Size Document Number Rev Date Sheet of LVDS 1 0 MSxxx D 5 15 Thursday September 26 2013 Title Size Document Number Rev Date Sheet of LVDS 1 0 MSxxx D 5 ...

Page 30: ...to Mstar IC 1 RGB 2 CVBS 3 Y CVBS C R Pin 8 Function switching Pin 16 Blanking signal V 0 4V CVBS 1V V 3V RGB V 12V 4 3 AV 5V V 7V 16 9 AV V 0 7V TV Mode Close to Mstar IC SPDIF OUT NC SCART ROUT GND SCART LOUT GND SCART CVBS OUT GND SCART FS SCART FB NC SCART R_IN GND SCART B GND SCART G GND SCART CVBS IN SCART R GND SCART L_IN R568 R568 R569 R569 J500 J500 1 2 3 4 R529 R529 R522 R522 R576 R576 R...

Page 31: ...nt Number Rev Date Sheet of VGA 1 0 MSxxx A 7 15 Thursday September 26 2013 Title Size Document Number Rev Date Sheet of VGA 1 0 MSxxx A 7 15 Thursday September 26 2013 Video Close to Mstar IC VGA Audio Input Close to Mstar IC R607 R607 D517 D517 D608 D608 D607 D607 D518 D518 CON600 CON600 1 6 2 7 3 8 4 9 5 11 12 13 14 15 10 16 17 D606 D606 P73 G_EARPHONE3 P73 G_EARPHONE3 Y 3 GND 1 PR 2 PB 5 PB 4 ...

Page 32: ...ote 电容靠近USB CN600 端子提供usb读写稳定性 Note 电容靠近USB CN601 端子提供usb读写稳定性预留二极管防止电流倒灌 Note 电容靠近USB CN602 端子提供usb读写稳定性 USB3 0 for 6A806 H Power on L Power off H Power on L Power off H Power on L Power off Q627 Q627 1 3 2 C610 C610 D626 D626 1 2 R628 R628 C609 C609 D611 D611 C613 C613 D636 D636 1 2 R635 R635 R647 R647 D609 D609 R630 R630 R634 R634 C611 C611 J805 J805 1 2 3 4 C608 C608 C601 C601 R648 R648 R...

Page 33: ... A4 9 15 Thursday September 26 2013 Title Size Document Number Rev Date Sheet of Ethernet 1 0 MSxxx A4 9 15 Thursday September 26 2013 Connector Internal PHY R668 R668 R660 R660 R669 R669 CB650 CB650 Green Yellow CON650 Green Yellow CON650 TD 1 TD 2 RD 3 TDCT 4 RDCT 5 RD 6 NC 7 CH_GND 8 GRN 9 GRN 10 ORG 12 ORG 11 GND1 13 GND2 14 C653 C653 R664 R664 R657 R657 CB651 CB651 C654 C654 R662 R662 R670 R6...

Page 34: ...I4 RX0P 3 HDMI4 RX0N 3 HDMI4 CLKP 3 HDMI4 CLKN 3 Title Size Document Number Rev Date Sheet of HDMI 1 0 MSxxx D 10 15 Thursday September 26 2013 Title Size Document Number Rev Date Sheet of HDMI 1 0 MSxxx D 10 15 Thursday September 26 2013 Title Size Document Number Rev Date Sheet of HDMI 1 0 MSxxx D 10 15 Thursday September 26 2013 HDMI1 HDMI2 HDMI3 CEC ARC 靠近端子放置靠近端子放置靠近端子放置 ESD分布电容小于0 5pF ESD分...

Page 35: ...F_N 12 VDD_H 21 ALIF_P 13 DLIF_N 9 DLIF_P 11 VDD_L 14 LDO_ADJ 15 XOUT 16 XTAL_O 18 XTAL_I 17 VDD_H 20 VDD_H 10 RF_REF 22 RF_IN 24 RF_IP 23 RF_SHLD 25 GND 7 RSTB 27 GND 19 GND_EPAD 29 VDD_IO 6 L806 L806 R811 R811 R822 R822 C821 C821 C837 C837 J804 J804 1 2 R810 R810 R840 R840 EMC1 SHEILD_18273 EMC1 SHEILD_18273 1 2 3 4 5 6 7 8 C815 C815 C819 C819 DV44 DV44 C822 C822 C832 C832 R836 R836 C838 C838 C8...

Page 36: ..._A 2 PVCC_A 3 AVSS 9 PLL_FLTM 10 PLL_FLTP 11 VR_ANA 12 AVDD 13 FAULT 14 MCLK 15 OSC_RES 16 DVSSO 17 VR_DIG 18 PDN 19 LRCLK 20 SCLK 21 SDIN 22 SDA 23 SCL 24 RESET 25 STEST 26 DVDD 27 DVSS 28 PVCC_D 40 PVCC_D 41 PGND_CD 37 PGND_CD 38 OUT_D 36 OUT_C 39 PVCC_C 45 BST_C 42 VCLAMP_CD 32 BST_D 33 VREG 31 AGND 30 AVCC 34 BST_A 4 VCLAMP_AB 5 BST_B 43 PVCC_B 44 EPAD 49 PVCC 35 GND 29 OC_ADJ 7 NC 8 SSTIMER 6...

Page 37: ...2013 Title Size Document Number Rev Date Sheet of PCMCIA NAND 1 0 MSxxx D 13 15 Thursday September 26 2013 NAND FLASH Micron Nand需要NC iNAND FLASH SD MMC Card Reader Net For EMMC Flash R1008 R1008 C1001 C1001 R1027 R1027 R1041 R1041 R1000 R1000 R1004 R1004 R1035 R1035 CON100 CON100 CD_DAT3 1 CMD 2 VSS1 3 VDD 4 CLK 5 VSS2 6 DAT0 7 DAT1 8 DAT2 9 WP 10 nCD 11 GND 12 GND 13 GND 14 GND 15 R1009 R1009 R1...

Page 38: ...CD_N 3 PCM_IORD_N 3 TS_MDO 7 0 3 PCM CD2 3 13 Title Size Document Number Rev Date Sheet of PCMCIA CA 1 0 MSxxx Custom 14 16 Thursday September 26 2013 Title Size Document Number Rev Date Sheet of PCMCIA CA 1 0 MSxxx Custom 14 16 Thursday September 26 2013 Title Size Document Number Rev Date Sheet of PCMCIA CA 1 0 MSxxx Custom 14 16 Thursday September 26 2013 PCMCIA GND GND GND GND 0V 2 5V 2 5V 5V ...

Page 39: ...13 Title Size Document Number Rev Date Sheet of DEMO 1 0 MSxxx Custom 15 16 Sunday September 29 2013 Title Size Document Number Rev Date Sheet of DEMO 1 0 MSxxx Custom 15 16 Sunday September 29 2013 Option Daughter Board Interface CON1100C CON1100C TS_D0 25 TS_D1 26 TS_D2 27 TS_D3 28 TS_D4 29 TS_D5 30 TS_D6 31 TS_D7 32 GND 33 TS_CLK 34 TS_Val 35 GND 36 TS_Sync 37 DM_Rst 38 DM_SCL 39 DM_SDA 40 Tu_S...

Page 40: ...nd of the main factory menu you can see the Version info L_6369_SSO55_HKC_MA Wed Aug 13 21 55 47 CST 2014 8 1 2 How to exit If you want to exit this factory menu please press the button BACK on the remote system will be 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 right or OK button to the ...

Page 41: ...oft E Guard parameter 3 Picture Curve Adjust the brightness contrast Saturation Hue Sharpness Curve 4 ADC Adjust AUTO color correction 5 White Balance Adjust the pattern of color temperature value 6 Over Scan Adjust the over scan 8 2 3 Audio Adjust the Audio Volume Curve EQ and Max audio power in different source 32 Model No LE48M7000A ...

Page 42: ...y Fine Tune and MANUAL Scan No color for some channel program black and white Verify that the same problem exists on other channels Check the picture and sound systems Refer to the relevant instructions in the manual to adjust the colour Spots with some or all pictures Verify if the antennal is correctly connected Verify if the antennal is in good condition Make fine adjustment of channel Televisi...

Page 43: ... 4 Uart Debug 5 Aging Mode Choose the Aging Mode on off 6 Power On Mode Choose the automatic startup after AC plug into on off 7 Restore to Default For initialization after the completion of the machine will automatically shutdown 8 Uart Enable Choose the Uart on off 8 2 5 Clone 1 This feature is temporarily doesn t work 33 Model No LE48M7000A ...

Page 44: ...Service Manual 8 3 Software Update 8 3 1 MSD6369 software update 34 Model No LE48M7000A ...

Page 45: ... Copy these two files at the same time under the U disk 2 The U disk inserted TV USB port open the TV use of RC menu 8893 button into the factory menu 3 Upgrade then choose confirm Choose Setup Choose Setup Select Upgrade Mboot Upgrade Main Then choose Confirm After the upgrade OK by Cancel ...

Page 46: ...ore To Default on 6 For initialization after the completion of the machine will automatically shutdown restart can test Above according to clew operation can be completed complete software upgrade the machine will automatically enter the standby mode Note Software upgrade process can t without electricity the whole process about need 5 minutes END ...

Page 47: ...Service Manual 9 2 Mainboard IC Introduction Top view 36 6 7 8 9 10 15 1 13 11 5 14 4 12 2 3 Model No LE48M7000A ...

Page 48: ...Service Manual Bottom view 37 Model No LE48M7000A ...

Page 49: ...GH23H U3 6 Audio Amplifier for subwoofer 5707A U39 7 Audio Amplifier 5707L U38 8 Buck converter SY80X U5 9 DDR H5TQ2G63DFR PBC U300 U301 U302 U303 10 Mainchip MSD6369IV Z1 U1 11 INAND Flash TOSHIBA TWGBM5G5A1JBAIR U1001 12 EERPOM U1001 13 Voltage convertor 5V to 1 22V RT7240 U11 14 Voltage convertor 5V to 3 3V GH27G UP3 15 Voltage convertor 5V to 3 3V GH27G U801 38 Model No LE48M7000A ...

Page 50: ... Board Yes Check the CN2 BLO Backlight on off Yes No There s something wrong with FRC Verify if the DC DC convertor can output the right Voltage No Change the corresponding DC DC Q45output 5V Yes No Verify if Q46 output Change the Q46 Yes Still having problems Change Panel Change LVDS wire 39 Model No LE48M7000A ...

Page 51: ...ard has the right input according to the source TV COMPONENT AV VGA HDMI etc Yes Verify if U39 U38 has the right output Yes Check Amp_Power input is right No No Check the corresponding audio input circuit you connect Verify if U39 U38 has the right power in No Change U39 U38 40 Still having problems Change Mainboard Model No LE48M7000A ...

Page 52: ...upply Verify if CN4 Pin3 4 has 5V input Yes Verify if CN2 Pin1 has 12V input Yes Verify if DC DC convertors have the right output Yes No No No Change Power board Change Power board Change corresponding DC DC convertor Still having Change Change the software 41 Problems Mainboard Model No LE48M7000A ...

Page 53: ...d system is correct No Change sound system For ease of use recommend that customer format the picture and sound settings in the automatic option 42 Still having problems Updata the software and make the reboot or change the maiboard Model No LE48M7000A ...

Page 54: ...in other channels Yes check out of picture and sound system No No Check out of picture and sound system of this channel Change the channel to the right sound system PAL BG SECAM L Yes Refer to relative instructions in the Manual for color adjust Updata the software and Still having problems 43 make the reboot or change the maiboard Model No LE48M7000A ...

Page 55: ...f the power cord co nnect well Yes Check if the Power board output 5V and 12V No No Reconnect the power cord with the outlet or Power board Replace the Power board pls 44 Still having problems Check if Main board LVDS wire Panel are in good condition Model No LE48M7000A ...

Page 56: ...D Mis align between TCP and Panel Panel failure TCP failure Name Description Phenomena Failure cause V B D Vertical bar V Dim Vertal gray line V L D Vertical color line light or dark forever TCP H B D Horizontal bar H Dim Horizontal gary line H L D Horizontal line light or dark forever Service Manual 9 4 Pannel Failure Failure Mode 45 Model No LE48M7000A ...

Page 57: ...ch Tine or rigidity arose Eyewinker inside Polarizer Eyewinker inside Polarizer Abnormal Display Bright and dark display alternately 1 Chip lose action 2 IC ahort or jointiog bad 3 Pannel and vsc connect bad Part Name Dot Defect Polarizer Bubble Panel or Polarlzer Polarizer Scratch F inside Polarizer Abnormal Display Circuit Flashing Service Manual 46 Model No LE48M7000A ...

Page 58: ...S Black Screen B L normal only Black screen display Circuit Crosstalk FIIcker LCD Vcom imbalance Abnormal Color Only color abormal Capacitance improper bring crosstalk inside LCD pannel Abnormal Color Only color abnormal 1 Chip lose action 2 IC short or jointion bad 3 Pannel and vsc connect bad Service Manual 47 Model No LE48M7000A ...

Page 59: ...ire and electrode B L dark B L brightness darker than normal Connect badnessShort between wire and electrode B L wire damaged Without backlight B L wire damaged B L wire open Operation abnormal or systemic noise Operation abnormal or systemic noise Short bitween lamp housing and wire Because consume power too much B L shut down B L shutdown in sometime F M F M inB L white balck Rotundity or wireli...

Page 60: ...eakage B L unit badness Brightness at bottom of LCM brighter than normal Mechanlcal or B L B L brightness asymmetric Uniformity Sheet in B L unit is uneven Mount hole Lack screw or screw damage Lack screw Screw damage Service Manual 49 Model No LE48M7000A ...

Page 61: ...Sincere Forever Haier Group Haier Industrial Park No 1 Haier Road 266101 Qingdao China http www haier com Printed in China ...

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