Haier HL42XD1, Service Manual

Page 1: ...G Table of Contents 1 Important Safety Notice 2 Revision List 3 1 General Specification 4 2 Operating Instructions 5 2 1 The Use of Remote Control 5 2 2 To Use the Menu 6 2 3 How to Connect 11 2 4 Front Panel Control Knobs 12 3 Input Output Specification 13 4 Mechanical Instructions 15 5 Repair Flow Chart 19 6 PCB Layout 23 6 1 Main Board 23 6 2 Power Board 25 6 3 Inverter Board 28 6 4 Key Board 2...

Page 2: ...haracteristics might create shock fire or other hazards Under no circumstances should the original design be modified or altered without written permission from Haier Haier assumes no liability express or implied arising out of any unauthorized modification of design Servicer assumes all liability FOR PRODUCTS CONTAINING LASER DANGER Invisible laser radiations when open AVOID DIRECT EXPOSURE TO BE...

Page 3: ...42 LCD TV Haier HL42XD1 4 1 General Specification ...

Page 4: ...42 LCD TV Haier HL42XD1 5 2 Operating Instructions 2 1 The Use of Remote Control ...

Page 5: ...n store in the channel table In channel scan process the OSD can display the number of channels which had been found 4 Add on CH search Add channels which are new found 5 Channels List Show the channel List User can edit add delete the channel numbers 6 Channel Labels Show the NTSC ATSC TV channel label menu for user modifying channel labels specifically 7 FAV Channel Setting Show the Favorite Cha...

Page 6: ...adjustment the tuning range is 0 63 The default state is enabled 4 Balance Audio balance adjustment the tuning range is L50 R50 5 Audio Source Select the audio source from Mono Stereo or SAP This function works in ATV only 6 Audio Language Change the audio language setting on ATSC TV programs The number of the supported audio languages depends on the ATSC TV programs English Français Español 7 SPD...

Page 7: ...Low Mid High and Off The default setting is Mid Adaptive Contrast Choose On or off to adjust the gamma after analyzing the input signal automatically DCR Dynamic Contrast Ratio DCR auto adjusts the backlight of the screen Preset Restore the default advanced video option settings 4 Transparency Adjust the transparency of the on screen menu from range 1 to 10 5 Password Setting Change the 4 numeral ...

Page 8: ...ions Display Select a closed caption options Off On With Mute 8 Analog Captions Select an analog caption options CC 1 4 TEXT 1 4 9 Digital Captions Select a digital caption options Service 1 6 10 Digital Captions Setup Provide numerous options for setting the digital closed caption style in the sub menu Style Set to Automatic or Custom mode If Custom mode is selected user can modify the detail sty...

Page 9: ...VGA display fine tuning 1 H Position Adjust the horizontal position of the picture 0 100 2 V Position Adjust the vertical position of the picture 0 100 3 Clock Adjust picture clock to reduce Vertical Line noise 0 100 4 Phase Adjust Picture Phase to reduce Horizontal Line noise 0 100 5 Auto Adjust Adjust the settings automatically 6 Preset Restore the default VGA setting values ...

Page 10: ...iority over the Video RCA connector yellow connector 4 COMPONENT Y Pb Pr with Audio L R Connect the primary source for component video devices such as a DVD Player or set top box here From left to right use red for Pr blue for Pb green for Y red for right audio R and white for left audio L inputs 5 ANTENNA CABLE DIGITAL ANALOG Connect to an antenna or digital cable out of the wall not from Cable B...

Page 11: ...42 LCD TV Haier HL42XD1 12 2 4 Front Panel Control Knobs ...

Page 12: ...ata for DDC 5 Ground 13 H Sync 6 Red Ground 14 V Sync 7 Green Ground 15 Serial Clock for DDC 8 Blue Ground 3 2 HDMI Digital connector Pin No Description Pin No Description 1 TMDS Data2 11 TMDS Clock Shield 2 TMDS Data2 Shield 12 TMDS Clock 3 TMDS Data2 13 CEC 4 TMDS Data1 14 NC 5 TMDS Data1 Shield 15 SCL 6 TMDS Data1 16 SDA 7 TMDS Data0 17 DDC CEC Ground 8 TMDS Data0 Shield 18 5V Power 9 TMDS Data...

Page 13: ...el Clock MHz 640x480 60Hz 800 x 525 31 469 N 59 940 N 25 175 640x480 72Hz 832 x 520 37 861 N 72 809 N 31 500 VGA 640x480 75Hz 840 x 500 37 500 N 75 N 31 500 DOS 720x400 70Hz 900 x 449 31 469 N 70 087 P 28 322 800x600 56Hz 1024 x 625 35 156 P 56 250 P 36 000 800x600 60Hz 1056 x 628 37 879 P 60 317 P 40 000 800x600 72Hz 1040 x 666 48 077 P 72 188 P 50 000 SVGA 800x600 75Hz 1056 x 625 46 875 P 75 P 4...

Page 14: ...42 LCD TV Haier HL42XD1 15 4 Mechanical Instructions 1 Remove the stand and base 2 Remove rear cover ...

Page 15: ...42 LCD TV Haier HL42XD1 16 3 Release the connectors and remove inverter board 4 Remove main board and power board ...

Page 16: ...42 LCD TV Haier HL42XD1 17 5 Remove BKT speakers IR board and key board ...

Page 17: ...42 LCD TV Haier HL42XD1 18 6 Remove the BKT and separate panel and bezel ...

Page 18: ...range Change key board IR board Check U401 Change U401 Check key board IR board No picture OK NG OK NG Check 24V power supply OK Check the power supply circuit NG Check main board Standby power supply Change U706 OK NG Check I2 C bus Check I2 C communication NG OK ...

Page 19: ...cable Check input Replace LVDS cable Check panel Replace panel OK OK NG OK OK NG OK OK NG OK Check the source Reset source NG OK Check input signal TV SIF Check TV system Reset TV system NG Check TU201 NG Change TU201 Check U401 OK OK Change U401 NG Check U602 OK NG Change U602 Check speaker NG Change speaker Check if mute OK Check signal filter circuit Check the source ...

Page 20: ...ck D910 C945 C946 C947 NG Replace IC901 OK Check T901 OK Replace T901 Replace D910 C945 C946 C947 NG NG Check the source OK Reset source Check LVDS cable NG Reset LVDS cable OK Check IC904 circuit NG Replace IC904 or the correlative part OK OK Check U401 NG Replace main board OK Check panel NG Replace panel Check IC902 NG Replace IC902 or the correlative part OK Check T902 NG Replace T902 OK Check...

Page 21: ...2 Key Board OSD is unstable or not working Is Key Pad Board connecting normally Connect Key Pad Board Is Button Switch normally Replace Button Switch Y Is Key Pad Board Normally Replace Key Pad Board Check Main Board N N Y Y N ...

Page 22: ...42 LCD TV Haier HL42XD1 23 6 PCB Layout 6 1 Main Board 715G3269 1 ...

Page 23: ...42 LCD TV Haier HL42XD1 24 ...

Page 24: ...42 LCD TV Haier HL42XD1 25 6 2 Power Board 715G3351 1 ...

Page 25: ...42 LCD TV Haier HL42XD1 26 ...

Page 26: ...42 LCD TV Haier HL42XD1 27 ...

Page 27: ...42 LCD TV Haier HL42XD1 28 6 3 Inverter Board 715G3358 1 6 4 Key Board 715G3528K01000001M ...

Page 28: ...42 LCD TV Haier HL42XD1 29 6 5 IR Board 715T3107 1 ...

Page 29: ...ance Adjustment Approximately 30 minutes should be allowed for warm up before proceeding white balance adjustment Before started adjust white balance please set the Ca210 Channel to 05 Channel and set it s mode to xyLv mode Color Temp Cold Normal Warm x 266 285 313 y 277 293 329 HDMI Mode Y Panel Max Luminance Note The tolerance of the Cold color coordinates should be less than 15 The tolerance of...

Page 30: ...factory setting In the White Balance you can adjust 8 items 1 R Offset G Offset B Offset R G B Offset adjust 2 R Gain G Gain B Gain R G B Gain adjust 3 ZR Bright adjust 4 ZR Contrast adjust 5 ZR T Color Temp adjust ċ Gain adjustment A Adjust Cool color temperature 1 Set the pattern generator to pattern 104 or 0 IRE pattern And adjust the Item ZR Bright to min luminance 2 Switch the Ca210 to xyLv m...

Page 31: ...just the Item ZR Bright value and can adjust to min luminance 2 Switch the Ca210 to TƸuvLv mode with press MODE button 3 Switch the Ca210 channel to Channel 05 with up or down MEMORY CH button 4 The LCD indicator on Ca210 will show T 9300K 5 Adjust the Color Temp item Normal until Ca210 indicator reached the value T 9300k C Adjust Warm color temperature 1 Set the pattern generator to pattern 104 o...

Page 32: ... For ZORAN standby pow er VGA AUDIO R L AF24BC02 Tuner ENV56S02D8F CVBS 3V3_STB FOR TPA3123D2PWPR VCC5D DDR1V8 YPbPr2 AUDIO R L U405 M24C32 For DDR II M24C32 5VSB 5VT P12V FOR TUNER 5V 5VSB DDR1V8 SPEAKER 20mA 1V8_STB FOR Inverter 5VSB VCC5D U704 SC4524BSETRT TMDS U401 ZR39775HGCF YPbPr1 AUDIO R L U705 AP1115BY33LA P24V 3V3_PLL TL072CDR AV2 AUDIO R L TMDS VIDEO2 TU201 TPD12S520DBTR Y C U704 SC4524...

Page 33: ...am 12 Pin 24 Pin Panel ZR39785HGCF B U401 Scaler IC CN701 LVDS Cable Power Board IR Board 5 Pin CN903 CN01 Speaker R L Key Board 4 Pin CN001 CN405 CN403 CN606 CN802 4 Pin 10 Pin 12 Pin 5 Pin 2 Pin CN801 Inverter Board 6 Pin 2 Pin CN8801 CN8802 ...

Page 34: ...OHM 1 10W TU201 TUNER 1 2 3 5 6 8 9 10 11 13 14 15 16 17 22 23 24 25 19 20 21 NC BB AGC NC BT Monitor NC NC NC NC SCL SDA NC IF AGC B TH1 TH2 TH3 TH4 IFD out1 IFD out2 IF Monitor TUNER_CVBS PARAM0 16 14 SIF_P C267 1uF 16V C204 NC 0 1uF 16V I2C1_SDA L201 0 22uH FB202 NC 1 2 12 C205 0 01uF R210 NC 20K OHM 1 10W D3V3 L203 0 22uH C214 0 001uF ENV56S02D8F C219 22pF D3V3 C203 0 1uF 16V C213 0 1UF16V C20...

Page 35: ...TV_CVBS FB217 30 OHM 1 2 R244 75 OHM 1 1 10W VGA_VSYNC 6 U203 AZC099 04S 1 2 3 4 5 6 I O1 GND I O2 I O3 VDD I O4 R216 75 OHM 1 1 10W FB206 30 OHM 1 2 R229 0 OHM 1 10W S1Y VCC5D R225 75 OHM 1 1 10W C234 NC 47pF R247 0 OHM 1 10W R242 75 OHM 1 1 10W R218 0OHM 1 10W FB210 0 OHM 1 10W C243 0 01uF AV2_R AV2_L R240 0R05 1 10W 5 VGA_HSYNC 6 AV2_CVBS R224 0 OHM 1 10W R222 75 OHM 1 1 10W D3V3 FB209 30 OHM 1...

Page 36: ...L HDMI2_SDA HDMI2_HPD HDMI2_5VSENSE HDMI2_CLKP HDMI0_CLKP DDC2_SCL HDMI0_D0P VCC5D C521 0 1uF 16V AV1_S_DET 4 HDMI1_D0P HDMI0_D0N HDMI1_D1N HDMI1_D1N HDMI3_CEC U509 NC AZ1045 04QU 1 2 3 4 5 6 7 8 9 10 Line 1 Line 2 VDD Line 3 Line 4 NC NC GND NC NC L504 NC 90 ohm 1 2 4 3 HDMI2_D2N HDMI0_D1N U505 SiI9185ACTU 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 3...

Page 37: ...N74LVC1G17DBVR U210 2 4 5 3 UART0_TX HDMI_HPD4 VGA_R R540 10K 1 10W 5 VGA_SCL VGA Input VGA_VSYNC 4 VGA_G 4 ZD503 BAT54C 3 1 2 EDID_WP 8 R272 4 7K OHM 1 10W 5VSB HDMI_CEC VGA_HSYNC VGA_SCL 4 HDMI4_CLKP R254 220 OHM 1 10W U208 AF24BC02 SI 1 2 3 4 5 6 7 8 A0 A1 A2 VSS SDA SCL WP VCC R526 7K5 1 10W 5 VGA_VSYNC HDMI4_D0N R538 4K7 1 10W 5 C252 0 1uF 16V VGA_G HDMI4_D1N UART0_RX R529 7 5K OHM 1 10W C257...

Page 38: ...OHM 1 10W C408 30PF R440 10K OHM 1 10W I2C1_SDA 3 5 UART0_RX R420 4 7K OHM 1 10W EJTDI X402 NC NXS24 000AC18F SPI_RD R4D2 NC R4C6 NC U405 M24C32 WMN6TP 4 8 5 6 1 2 3 7 GND VCC SDA SCL A0 A1 A2 WP R412 NC 33 OHM 1 10W U407 RClamp0520B TCT 3 1 2 3V3_STB R422 47 OHM 1 10W C410 NC 4 7uF 16V D3V3 R424 4 7K OHM 1 10W R413 33 OHM 1 10W D3V3 R416 33 OHM 1 10W 0402 TRIN_RESETN SPI_WEN C404 0 22uF R444 NC C...

Page 39: ... R1 G5 G6 G1 G2 P4 Y3 H6 J6 R4 AB2 AC1 AC2 R2 P3 AC3 AC4 AC5 AD6 AD5 AD4 AE5 AE6 AB5 W4 W5 W6 AF5 AF6 Y4 Y5 Y6 AE10 AE11 M3 L6 K6 AB6 L7 M7 N7 P7 U7 AVDD18_HPLL AVDD3_HPLL AVDD3_SYNC AVDD3_SYNC1 AVDD3_AFE AVDD18_R AVDD18_G AVDD18_B LVDSVCTX_VDD33_0 LVDSVCTX_VDD33_1 LVDSVCTX_REXT LVDSVCRX_REXT PGA_LDO0 AFE_AVSS LVDSVCRX_VDD33_0 LVDSVCRX_VDD33_1 DVDD18 DM_PLL_VDD IF_VDD3P3_0 IF_VDD3P3_1 AVDD18_SVIDE...

Page 40: ...Q VDDQ VDDQ VDDQ VDDQ VDDQ VDDQ VSS VSS VSS VSS VSSDL VSSQ VSSQ VSSQ VSSQ VSSQ VSSQ VSSQ VSSQ VSSQ NC ODT NC NC UDQS LDQS NC NC S0_A 0 12 C451 0 1uF 16V S1_BA1 S1_DQ6 S1_A1 S0_CASN DDR1V8 S1_LDM S0_BA0 S1_DQ1 S1_DQ2 S0_DQ13 S1_A3 S1_DQ0 S1_DQ5 S0_ODT S1_LDM S1_UDQSN S1_A13 S1_DQ8 S0_BA0 U411 HY5PS561621BFP 25 M8 M3 M7 N2 N8 N3 N7 P2 P8 P3 M2 P7 L2 L3 F3 B3 J2 K2 J8 K8 L8 K7 L7 K3 A2 G8 G2 H7 H3 H1...

Page 41: ...NEL_ON LVDS_D0O_N LVDS_D2E_P C477 0 1UF16V 0402 0402 D1V8 LVDS_D4O_N C489 0 01uF 33T8027 24 LVDS_D2E_N CN405 CONN 2 4 6 8 10 12 14 16 18 20 22 24 1 3 5 7 9 11 13 15 17 19 21 23 LVDS_D1E_P 0402 C4A5 0 1UF16V 0402 3V3_STB PANEL_POWER C483 1uF 16V 0402 R4B5 47K OHM 1 10W C466 0 1UF16V FB413 120OHM 1 2 C473 1uF 16V LVDS_D4O_P LVDS_D1E_N C486 22uF 25V 0402 P12V BL_PWM_CTRL LVDS_D2O_N FB415 120OHM 1 2 C...

Page 42: ...AF10 AF9 AD11 AE8 AE12 AE13 AF13 ACLK0 BCLK0 ADATAOUT_0 ADATAOUT_1 ADATAOUT_2 LRCLK0 LINE_OUT1_L LINE_OUT1_R LINE_OUT2_L LINE_OUT2_R IEC958_OUT VCM VREF_AADC VREF_ADAC AGNDREF C628 0 1uF 16V C622 560pF C614 100pF VGA Audio Input R606 10K OHM 1 10W C615 100pF R626 10K OHM 1 10W A B CN603 JACK 2 1 4 3 Audio IN U401E ZR39785HGCF AC9 AD13 AF14 M1 L1 K1 J1 H1 K3 M2 L2 K2 J2 H2 J3 ADATAIN_0 ADATAIN_1 AD...

Page 43: ..._MUTE C655 0 001uF CN606 CONN 1 2 3 4 D602 LL4148 R662 NC R652 0 OHM 1 3W O 1 8mm R639 680 OHM 1 10W R648 100K OHM 1 10W R643 NC A24V C660 NC R C635 1uF R661 2K OHM 5 1 4W C659 NC 1 D3V3 R674 NC C645 0 001uF R634 10K OHM 1 10W R656 2K OHM 5 1 4W A24V C629 470uF 35V C648 NC 1uF D603 LL4148 D601 RB160M 60TE25 1 2 24mm Q602 MMBT3904 R672 0 OHM 1 10W R669 NC A24V C650 1uF C630 1uF 33T3278 4D VCC5D L R...

Page 44: ...2ESPT Q614 2N7002ESPT C670 1uF 16V R694 100K OHM 1 10W C680 10uF 16V C678 2 2uF 25V X7R C668 100pF 12V_AUD R696 NC R6A3 220 OHM 1 10W 12V_AUD 88T 78 1357S 5V_HP 12V_AUD R679 7 5K OHM 1 10W PD_MUTE 12 R699 47K OHM 1 10W R685 47K OHM 1 10W L605 330 OHM R681 100K OHM 1 10W R695 51K OHM 1 10W R680 20K OHM 1 10W R687 1M OHM 1 10W R6B5 100K OHM 1 10W R676 20K OHM 1 10W Q608 MMBT3906 ZD612 1 2 Q606 MMBT3...

Page 45: ...022uF 25V R2 R721 10K OHM 1 10W R706 10K OHM 1 10W 33T327812D C721 220uF 35V C728 0 1uF 16V R719 560 OHM 1 10W C730 470uF 16V CN701 CONN 1 2 3 4 5 6 7 8 9 10 11 12 C723 4 7UF16V C744 10UF16V C704 220uF 10V R1 5VSB R714 20K OHM 1 1 10W L706 2 2uH R738 30K OHM 1 1 10W C764 NC R713 22K OHM 1 10W FB703 300 OHM 1 2 R2 C702 100uF 16V 3V3_STB 5 6 7 8 10 C706 0 1uF 16V D1V8 8 10 P12V R717 22K OHM 1 10W 73...

Page 46: ...C 1 2 L N RV901 Varistor SG901 NC C903 680pF HS3 HEAT SINK IC901 1 2 CN901 1 2 3 L903 20 0MH 1 4 2 3 FB901 BEAD 1 2 HS6 HEAT SINK D904 D907 1 2 HS5 HEAT SINK Q901 1 2 L901 20 0MH 1 4 2 3 SG902 NC HS1 HEAT SINK BD901 1 2 t NR901 1 2 R903 300K OHM 1 4W HS4 HEAT SINK D910 1 2 R C902 680pF R902 300K OHM 1 4W RV902 NC RV903 NC t NR902 1 2 L902 2 0MH 1 2 4 3 C901 0 47uF ...

Page 47: ... 8W R851 10M OHM 1 10W C818 33N 50V R811 1 5M 1 8W 5 R856 NC R809 36K OHM 1 8W R824 HS8 HEAT SINK Q801 1 2 Q807 2SK4086LS T801 1 4 5 6 7 9 10 DR2 T2 Q805 PMBS3904 T2 Q810 SST2907A CN801 CONN 1 2 L N R804 10K OHM 1 4W 5 R826 NC Q814 NC RK7002FD5T116 D802 SCS0520P 1 2 T1 Q808 SST2907A R818 1K2 8W 1 R803 1K2 1 8W 5 R831 1M 1 10W 5 R802 1K2 1 4W 5 L801 3 5uH IS1 D805 BAV70 3 1 2 C822 2 2uF 25V X7R R83...

Page 48: ...00PF2KV R936 1M 1 4W 5 C915 0 1uF R923 NC R938 10K 1 8W 5 C920 1000uF 25V R907 1 5 KOHM 5 1 4W C913 0 1uF R937 10K 1 8W 5 12V R917 22R 1 4W 5 PS_ON 24V R910 100K OHM 1 4W R926 10K 1 8W 5 C908 1206 1NF K 500V X7R R931 1M 1 4W 5 C943 0 1NF2KV R925 51K 1 8W 5 R921 22 OHM 1 4W 5 D902 SARS01 V1 C918 0 1uF R935 1K 1 8W 5 C919 1000uF 25V C917 0 0022uF VCC1 C925 0 33uF 50V C921 470uF 25V R909 100K OHM 1 4...

Page 49: ...5 6 7 8 GND ICOMP ISENSE VINS VCOMP VSENSE VCC GATE R952 220 OHM 1 4W R Vcc ZD902 MTZJ T 72 16B 1 2 R957 11 5K OHM 1 1 8W VCC1 R954 180K 1 8W 5 D908 1N5408 E3 73 B C927 1uF 520V C938 100pF C937 R960 2K7 1 8W 5 C933 0 1uF C935 1uF 25V R948 3 3M OHM 1 14W D901 FMXA 1106S C930 100uF M 450V Q905 KTD1691 P BY KEC C940 0 1uF R961 10K 1 8W 5 5V R944 100R 1 8W 5 R950 C939 0 001uF 250V R946 C931 10uF 50V L...

Page 50: ...2 47uF 50V C954 10uF 50V C906 470pF 250V C905 NC R983 1K8 1 8W 5 Vcc Q907 PMBS3904 T901 POWER X FMR 1 2 3 5 4 7 6 9 10 D915 1N4148 R971 33 OHM 1 4W R967 3 3 OHM 1 4W D918 1N4148 5V R980 560K OHM 1 1 8W C945 1000uF M 16V D913 PR1007 R975 220 OHM 1 4W C960 470pF 250V D911 JUMPER C958 NC C959 0 1uF BO R984 8K2 1 8W 1 R968 33 OHM 1 4W C957 0 22uF 25V C951 0 1uF C947 1000uF M 16V IC907 EL817MA 1 2 4 3 ...

Page 51: ... 100R 1 8W 5 P3 T8806 POWER X FMR 5 7 2 8 R8814 510R 1 8W 5 D8805 MTZJ T 72 5 1B C8810 3pF 6KV CN8802 CONN 1 2 L N C8828 0 0056uF R8825 0R05 1 8W C8825 0 0056uF C8801 0 01uF D8827 1N4148 C8814 3pF 6KV C8817 3pF 6KV D8816 BAV99 3 1 2 R8824 0R05 1 8W D8806 1N4148 C8829 0 0056uF T8813 POWER X FMR 5 7 2 8 C8802 3pF 6KV R8807 100K 1 8W 5 T8808 POWER X FMR 5 7 2 8 P4 D8822 BAV99 3 1 2 T8815 POWER X FMR ...

Page 52: ...V 0 53V C001 NC 0 1uF 16V CH GND GND PIN 1 C003 NC VOL SW007 SW SW005 SW R007 750 OHM 1 1 10W Power ON OFF FUNC_KEY 1 72V 2 12V R004 1K OHM 1 1 10W C002 NC 1 29V CN001 CONN 1 2 3 4 FUNC_KEY 77G 603 AI HJ MENU SW006 SW R008 100 OHM 1 10W R002 2 7KOHM 1 1 10W R003 1 8K OHM 1 1 10W SW004 SW SW002 SW 3V3_STB 2 59V R006 NC 3 9K OHM 1 10W VOL R001 7 5KOHM 1 1 10W ...

Page 53: ...aier HL42XD1 54 10 5 IR Board 715T3107 1 IRRV VCC LED_R LED_R 56T 627 14 1 U01 KSM 2003TN2E 1 2 3 VOUT GND VCC CN01 CONN 1 2 3 4 5 LED_B VCC IRRV C01 0 1uF 81T 14 24 EL R01 15K OHM RED BLUE LED01 LED 1 2 3 4 LED_B ...