Haier LE32B7600, Service Manual

Page 1: ...art 32 6 PCB Layout 39 6 1 Main Board 39 6 2 Power Board 42 6 3 IR Board 46 6 4 KeyBoard 46 7 Adjustment 47 7 1 WB Adjustment 47 7 2 Firmware Instruction 48 8 Block Diagram 51 9 Wiring Diagram 52 10 Schematic Diagram 53 10 1 Main Board 53 10 2 Power Board 62 10 3 IR Board 65 10 4 KEY Board 66 SAFETY NOTICE ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS AND ...

Page 2: ...cs 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 BEAM CAUTION U...

Page 3: ...3 Revision List Version Release Date Revision Instructions Customer Model Model A00 Sep 18 2016 Initial release LE43B7600 E43G51NCKV6H2NX LE32B7600 E32G51NCKV6H2NX ...

Page 4: ...4 1 General Specification ...

Page 5: ...5 2 Operating Instructions 2 1 Remote Control ...

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Page 7: ...7 2 2 OSD Menus ...

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Page 18: ...18 2 3 Panel Control and Rear Terminal Control ...

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Page 23: ...escription 1 TMDS Data2 11 TMDS Clock Shield 2 TMDS Data2 shield 12 TMDS Clock 3 TDMS Data2 13 CEC 4 TMDS Data1 14 Reserved N C on device 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 Data0 19 Hot Plug Detect 10 TMDS Clock ...

Page 24: ...24 3 2 Input Signal Timing ...

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Page 28: ...28 4 Mechanical Instructions LE32B7600 Step1 Remove the BASE Step2 Remove the REAR COVER ...

Page 29: ...29 Step3 Remove the MAIN BOARD POWER BOARD WIFI Board BKT IO SPEAKER Step4 Remove the BKT_STAND Step6 PANEL ...

Page 30: ...30 LE43B7600 Step1 Remove the BASE Step2 Remove the REAR COVER ...

Page 31: ...31 Step3 Remove the MAIN BOARD POWER BOARD WIFI Board BKT IO SPEAKER Step4 Remove the BKT_STAND Step6 PANEL ...

Page 32: ... Chart 1 No power No power LED Off Check the AC input and the power is ON Power On Check the IR board and LED Replace the IR board Replace the main board Power board output 12V Replace the power board No Yes No Yes No ...

Page 33: ...Blue Replace the main board Replace the Power board No Yes No Yes No No Power board output 12V Check the power key is under control Check the IR receiver is normal Replace the power board Replace the key board Yes Replace the IR board ...

Page 34: ...splay Reset the source Check the source Check the panel Replace the main board Replace the LVDS cable Replace the panel No No No Yes Yes Yes No No Check the main board Enter factory mode to do EEPROM initial Reset Check the LVDS cable ...

Page 35: ... the Panel No display LED Red Replace the main board Check the backlight is On Check the LVDS cable Reinsert or replace the LVDS cable Replace the main board Replace the Panel No Yes Yes No Yes No No Yes Yes No Yes No Power board output 12V Check TV is under control and power on off by remote control and power key ...

Page 36: ...me or enter the menu to reset Reinsert the audio cable or change the TV system Replace the cable Replace the speaker Replace the main board No Yes Check the speaker resistance value is in spec Remark The value is marked on the speaker Check the audio source connection and the TV system are correct Yes No Yes No Enter factory mode to do Reset No ...

Page 37: ...function Replace the battery Replace the remote control Whether the IR board is abnormal Yes No Replace the IR board Replace the main board No Yes No Yes Use the other remote controls Check the remote control battery is not properly placed or no power ...

Page 38: ...y board connected properly Reconnect the key board Buttons are OK Replace the button function Yes No Key board is OK Replace the key board Replace the main board No Yes No No OSD is unstable or can t work normally Enter factory mode to do Reset Yes ...

Page 39: ...39 6 PCB Layout 6 1 Main Board 715G6805M0A002004Y ...

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Page 42: ...42 6 2 Power Board LE32B7600 715G6934P01002002H ...

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Page 44: ...44 LE43B7600 715G7574P0B0040020 ...

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Page 46: ...46 6 3 IR Board 715G7266R01000004T 6 4 Key Board 715G7436K01000004K ...

Page 47: ...the temperature adjustment meet to the required specification range Note MAX LV 220 White balance value checking Check color temperature of AV HDMI VGA source is within the specifications If not same need to switch to the other source and adjust to the same If same the OK white balance adjustment Color Temperature Specification MIN MAX R GAIN 80 140 G GAIN 80 128 B GAIN 80 140 ADC adjustment Warm ...

Page 48: ...py update_signed zip software to USB flash disk root directory 2 Insert USB flash disk to TV USB1 Port 3 AC on When TV is turned on select menu Setting the Advanced Setting Update reset Local Update press update to update the software ...

Page 49: ...49 4 When update finished TV will restart automatically and go into Android Updating ...

Page 50: ...50 5 When Android Updating finished select menu Setting the Advanced Setting About TV to check software version ...

Page 51: ...51 8 Block Diagram ...

Page 52: ...9 Wiring Diagram LE32B7600 Panel Speaker L Speaker R Power Board 6 Pin CN601 Main Board 10 Pin CN403 MST6852LP Key Board 4 Pin CN01 16 Pin 4Pin 12 Pin 32 Pin CN401 CN8601 CN9101 CN701 IR Board 5 Pin CN202 ...

Page 53: ...53 LE43B7600 Panel Speaker L Speaker R Power Board 12 Pin CN601 Main Board 10 Pin CN403 MST6852LP Key Board 4 Pin CN01 16 Pin 4Pin 12 Pin 32 Pin CN401 CN8603 CN9101 CN701 IR Board 5 Pin CN202 ...

Page 54: ...1 16W 1 R109 10K R113 12KOHM 5 1 16W R108 68R 1 16W 5 C104 1nF 50V C102 47NF 16V C101 3 3NF 50V R114 12KOHM 5 1 16W R117 NC R110 33R 1 16W 5 C114 1UF 10V R118 180R 1 16W 5 C107 47NF 16V C112 47NF 16V R105 33R 1 16W 5 R101 4K7 1 16W 5 5V_SW COMP_PR 6 COMP_Y 6 DVDD3V3 COMP_PB 6 COMP_COM 6 COMP_SOY 6 SPDIF_OUT 6 CVBS_VCOM 6 CVBS0P 6 PB_DET 6 COLAY R182 0R05 1 16W COLAY CVBS0P AV1_IN CVBS_VCOM YPbPr_R...

Page 55: ... ZD109 NC 1 2 ZD110 NC 1 2 ZD111 NC 1 2 VGAL_IN ZD114 NC 1 2 VGA 088G353GFF1AXH R146 12KOHM 5 1 16W R129 33R 1 16W 5 R140 100R 1 16W 5 C133 1nF 50V CN101 CONN 1 7 2 8 3 9 4 10 5 11 12 13 14 15 17 16 6 C139 47NF 16V R131 4K7 1 16W 5 R149 10K R133 68R 1 16W 5 R136 33R 1 16W 5 R135 75R 1 16W 1 R144 10K R147 12KOHM 5 1 16W C137 47NF 16V R139 75R 1 16W 1 R130 75R 1 16W 1 C134 47NF 16V ZD120 BAT54CH 3 1...

Page 56: ...HDMIB RX1P HDMI CEC HDMIB CLKP HDMI B RX0P HDMIB CLKN HDMI B RX0N HDMIB_SDA HDMIB_SCL HDMIB_HPD U505 APL3511CBI TRG VOUT 1 GND 2 OCB 3 EN 4 VIN 5 R515 NC HDMIB_5V C504 NC 1PF 50V C505 NC 1PF 50V HDMIB_HPDIN R518 300K R533 33R 1 16W 5 R529 47K 1 16W 5 R505 NC ZD507 LBAT54CLT1G 1 2 3 C501 1UF 10V CN508 HDMI SHLD0 20 SHLD1 21 TMDSD2 1 DSHLD0 2 TMDSD2 3 TMDSD1 4 DSHLD1 5 TMDSD1 6 TMDSD0 7 DSHLD2 8 TMD...

Page 57: ...0 AUL0 C422 10UF 6 3V 20 LED_R TS_CLK_S 10 AMP AUOUTL0 DDR3 solder R402 R404 DDR2 solder R401 TS_VLD 10 TS_CLK_S TS_VLD TS_SYNC 10 C410 10UF 6 3V 20 M_SDA 4 8 10 M_SCL 4 8 10 BL_ON OFF 9 TS_SYNC PWM1 PWR_ON AUR2 AUL2 R495 10K DVDD3V3 C176 22PF 50V 32M 356G223300200A WINBOND 32M 056G2233 2 WINBOND 32M 056G2233 34 MXIC 64M 056G2233 42 HS401 NC SHIELD 1 2 3 4 C412 10UF 6 3V 20 C414 10UF 6 3V 20 REV C...

Page 58: ...7UF 10 10V M_SDA 4 8 10 KEY2_IN KEY1_IN SW401 NC SW 1 2 3 4 ZD121 NC 1 2 C158 10UF 16V C151 1UF 10V RXO2 6 RXO0 R168 100R 1 16W 5 Q102 MMBT3904 RXE1 RXO2 RXE0 RXO0 RXE2 R150 47K 1 16W 5 1 2 3 4 CN103 USB CONN 1 2 3 4 6 5 RXEC 6 C155 100NF 16V C148 100NF 16V RXE2 6 RXE3 6 RXE0 6 R158 5R6 1 16W 5 R162 6K8 1 Q103 MMBT3906 RXO1 6 C145 470NF 16V RXOC 6 RXOC R155 4K7 1 16W 5 RXO0 6 RXO2 RXE0 RXEC C154 1...

Page 59: ...K 6 AU_WS 6 R631 33 OHM 1 16W C620 1UF 10V R618 33 OHM 1 16W AU_WS AU_SD R616 33 OHM 1 16W REV C C626 1UF 10V C639 4 7UF 10 10V U601 TAS5729MD GND 1 OUTA 2 BSTA 3 PVDD 4 PWM1 5 PWM2 6 HPIL 7 HPOL 8 HPOR 9 HPIR 10 HPVSS 11 CN 12 AVDD_REG2 37 SSTIMER 38 HP_SD 39 GVDD_REG 40 PVDD 41 BSTD 42 OUTD 43 GND 44 OUTC 45 BSTC 46 BSTB 47 OUTB 48 GND 36 GND 35 TEST 33 DVDD 34 RESET 32 NC 31 SCL 30 SDA 29 SDIN1...

Page 60: ...R05 OHM PWR_ON SOT223 1A 3 3V DEMOD POWER U702 AP2114H 3 3TRG1 VI 3 VO 2 GND 1 4 4 R1 R2 R740 NC 1 5K 1 1 10W VOUT 1 0 1 1 5K 10K 1 15V R773 NC 0R05 1 10W R735 1K 1 16W 5 3V3SB R726 4K7 1 16W 5 BL_ON OFF Q705 MMBT3904 DM3V3 R722 4K7 1 16W 5 5V_SW BL_ON_OFF BL_ON OFF 6 C726 1UF 10V PWR_ON 6 C717 4 7UF 10 10V R750 14 3K 1 R741 NC 10K 1 1 16W Q706 MMBT3904 VCCK 5VSB C725 10UF 6 3V 20 C724 2 2UF 16V 5...

Page 61: ...3 XTAL_IN 4 AVDD33 5 GND 10 MSPI_DO SSPI_DI 32 QP 8 QM 9 IP 11 IM 12 AVDD33 13 C194 NC_100N 16V C183 NC_18PF 50V C197 NC_10UF 6 3V 20 C199 NC_100N 16V C188 NC_100N 16V TP101 C184 NC_22PF 50V C126 NC_100N 16V R124 NC_10K C187 NC_12P 50V C185 NC_12P 50V C130 NC_100N 16V C163 NC_100N 16V R138 NC_33 OHM 1 16W C160 NC_12P 50V X101 NC_24MHZ 1 2 4 3 R193 NC_47 OHM 1 16W C190 NC_100N 16V C191 NC_100N 16V ...

Page 62: ...817M X 1 2 3 4 C9111 0 1uF 50V R9112 3 3M 1 4W R9111 1M 1 2W R9103 10 OHM 1 4W R9113 3 3M 1 4W R9173 2KOHM 1 1 8W R9114 3 3M 1 4W HOT COLD D9102 SS1060FL R9102 47K 1 4W 3 5V 5V output option R9129 270K 1 1 8W R9163 33ohm 1 4W 5 R9162 33ohm 1 4W 5 R9161 33ohm 1 4W 5 R9105 75K FB_1 R9171 2K 1 8W 5 12V1 C9152 470uF 25V L9101 3UH R9121 150 OHM 1 4W R9122 150 OHM 1 4W R9123 150 OHM 1 4W 12V1 GND1 GND 1...

Page 63: ...2 B22 1 2 FB8602 NC 1 2 R8622 10K 1 8W 1 C8615 0 1uF 50V Q8602 LMBT3906LT1G R8620 2K2 1 8W C8617 0 1uF 50V C8614 NC 22UF 50V R8613 1 5R R8616 1 5R R8614 1 5R R8615 1 5R R8618 1 5R R8617 1 5R C8611 10PF 50V R8606 27K 1 8W 1 R8612 27K 1 8W 1 D8605 NC 1N4148 R8621 1K 1 8W 1 12V R8602 NC 0R05 1 4W ON OFF VCC C8613 100P 50V VCC C8616 2 2UF 25V Q8603 LMBT3904LT1G VLED VLED VLED VLED D8604 SS1060FL D8602...

Page 64: ...W FB9906 127R NC 1 2 R9153 10K OHM 5 1 8W Q9103 NC 2N7002K C9112 470uF 25V NC R9149 NC 100K 1 8W 1 R9105 10R 1 8W 5 DIM R9106 33R 1 8W 5 t NR9900 NTCR 1R5 1 2 C8612 1NF 50V L9903 0 25mH 1 2 4 3 12V R9148 NC 10K OHM 5 1 8W R9816 10K OHM 5 1 8W NC C8611 100N 50V NC D8601 TSF20U100C 1 2 3 C9902 220NF 305V L9801 300uH 1 3 5 4 C9152 1uF NC C9133 100N 50V ZD9106 BZT52 B13 1 2 Q9109 2N7002K R9154 10K OHM...

Page 65: ...201 15K 1 16W 5 R206 100 OHM 1 10W CN202 CONN 1 2 3 4 5 6 7 IR in VCC R204 NC 220 OHM 1 10W R205 NC 220 OHM 1 10W LED201 12 22 BHR6C C31 2C 1 2 3 R203 220 OHM 1 10W R202 220 OHM 1 10W U201 TSOP75438TR GND 1 VCC 2 Vout 3 GND 4 IR in C202 2 2uF 10V ...

Page 66: ...2 100NF R01 1K2 SW04 R03 0R05 C06 100N R05 15K C07 100N SW05 CN01 CONN 1 2 3 4 6 5 SW06 KEY2 C01 100NF C08 100N KEY1 R07 1K2 C09 100N R04 6K8 SW07 R06 2K2 SW01 C04 100N 0 81V 2 27V SW02 0V 0 49V C03 100N INPUT VOL CH 1 65V CH 0 49V 1 65V MENU POWER VOL SW03 ...