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Haier LE32B7500, Service Manual

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Haier LE32B7500 Service Manual Download Page 21

 

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Summary of Contents for LE32B7500

Page 1: ...31 6 PCB Layout 38 6 1 Main Board 38 6 2 Power Board 40 6 3 IR Board 46 6 4 KeyBoard 46 7 Adjustment 47 7 1 WB Adjustment 47 7 2 Firmware and DDC Instruction 48 8 Block Diagram 49 9 Wiring Diagram 50 10 Schematic Diagram 52 10 1 Main Board 52 10 2 Power Board 60 10 3 IR Board 67 10 4 Key Board 68 SAFETY NOTICE ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS ...

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: ... Sept 5 2014 Initial release LE50B7500 E50E21NCDLH6NNX A01 Sept 26 2014 Add New Model E50E21NCDLH62NX A02 Dec 10 2014 Add New Model LE32B7500 E32E41NCDLH6NNX E32EE1NCDLH62NX A03 Mar 6 2015 Add New Model LE32B7500 E32EE1NCDLH6NNX A04 Mar 30 2015 Add New Model LE50B7500 E50E41NCDL6HNNX ...

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

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

Page 6: ...6 ...

Page 7: ...Sharpness To improve details Not available in PC mode Color Temp Normal Natural whitish color Cool Bluish white color Warm Reddish white color Advanced control Noise Reduction To filter out and reduces the image noise and improve picture quality Backlight Control the brightness of the backlight DCR Dynamic contrast ratio Setup the contrast of the TV set to vary in accordance with the brightness an...

Page 8: ...on the remote control Balance Adjust the balance between left and right speakers to adapt to your listening position Bass Adjust the bass effect Increases or decreases lower pitched sounds Treble Adjust the treble effect Increases or decreases high pitched sounds Virtual surround TV provides surround sound effect with rich bass and clear dialog when DSS effect is On AVL Automatically reduces sudde...

Page 9: ...ess Power key on remote control Power On TV will turn on as soon as AC power switch is turned on Keep Last Memory TV will turn on as per the last power on settings Freeze When the Freeze Switch is On picture is frozen while changing the channel Blue Screen To select the transition type required while changing from one channel to another Select Off No blue screen function Select On Blue screen will...

Page 10: ...Sleep Auto Sleep can be set to Off 1 Hour 2 Hours or 5 Hours Shop Mode Only for 48 and 50 When Shop Mode is on the image mode automatically switches into the vivid mode and the volume defaults as 30 Functional images are automatically displayed at an interval of 30s and the functional image display time is 30s each time System Reset You can restore the factory default picture and sound settings of...

Page 11: ...missed channels to the end of the list without disturbing previously stored channels Consequently it takes more time than Auto channel scan Manual Search Search for the channels manually and store it to the desired channel number It can also be used for editing of channels searched by auto search if required Please refer to Manual Search description in next page for details Channel Edit Edit the s...

Page 12: ...p This setup function is available in computer mode Items Decsription Auto Adjust Press arrow Button to adjust the screen automatically to the optimal position of the picture H position Adjusts the horizontal position of the picture V position Adjusts the vertical position of the picture Phase Eliminate the horizontal interfering lines Clock Eliminate the vertical interfering lines Note If the PC ...

Page 13: ...ht keys to select a channel within the channel range Input Source Change Select the input source with TV on DC ON OFF by using the left and right keys to select a start input source within the input source sequence USB Clone Copy the preset user settings from a USB device into the TV or copy the current TV settings into a USB device AQ PQ Restore Store the settings for AQ and PQ Installation Contr...

Page 14: ... displayed as a folder on the screen as shown below Press OK key to view subfolder or files in the USB drive Note Files of selected Media type can only be viewed through USB Media type can be any one amoung Photo Music Movie Text After entering the multimedia file selection interface press the Menu button allows you to execute the following control functions 1 Sort Sort the multimedia files accord...

Page 15: ...following Menu setup shown above 1 Play Pause Play Pause photo play 2 Repeat Select the repeat mode as None Repeat One Repeat All 3 Random Select Shuffle mode as Shuffle Off Shuffle On 4 Duration Select play time as Short Medium Long 5 Effect Select effect of transition 6 Information Display the information of the file Playing Music files 1 Thumbnail of the available music files will be displayed ...

Page 16: ...turn on or off lyric display 8 Audio Only Select it to turn off dispaly and to get only sound from TV Playing Video files 1 Thumbnail of the available video files will be displayed on the screen If no files are displayed then select the folder containing the video files 2 To play particular video file select the required file and press OK key 3 Press key to play pause video Press PAGE PAGE to play...

Page 17: ...ct the required file and press OK key 3 Press keys to browse the text USB menu settings for text read Press Menu key to get following Menu setup shown below 1 Play Pause Play Pause text read 2 Repeat Select the repeat mode as None Repeat One Repeat All 3 Random Select the shuffle mode as Shuffle Off Shuffle On 4 Infomation Display the information of the file Formats supported to multimedia mode Ph...

Page 18: ...rmance failure 3 The voltage supplied to USB interface is 5V and the most electrical current is 500mA When some interface criteria of USB devices are different from standard USB protocol digital multimedia player may be unable to recognize USB devices correctly which is normal status 4 USB could be used as an interface to update software 5 If some files source could not play because of the paramet...

Page 19: ...19 2 3 Panel Control and Rear Terminal Control ...

Page 20: ...20 ...

Page 21: ...21 ...

Page 22: ...22 ...

Page 23: ... 13 H Sync 6 Red Ground 14 V Sync 7 Green Ground 15 Serial Clock for DDC 8 Blue Ground HDMI Pin No Description Pin No Description 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 1...

Page 24: ...for LE48B7500 LE50B7500 66 587 59 934 Recommended resolution DVI PC HDMI Input Signal Reference Table When DVI port is being used connect the DVI port of video device to your TV set with a DVI to HDMI line and set up the output signal of the video device in accordance with table below When HDMI port is being used connect the HDMI ports of your computer and TV set with one HDMI wire and set up the ...

Page 25: ...ontal Frequency kHz Vertical Frequency Hz SD 640 480p 25 175 60 SD 720 480i 15 734 60 SD 720 480p 31 5 60 SD 720 576i 15 625 50 SD 720 576p 31 25 50 HD 1280 720p 37 5 50 HD 1280 720p 45 60 HD 1920 1080i 28 125 50 HD 1920 1080i 33 75 60 FHD 1920 1080p 56 25 50 FHD 1920 1080p 67 5 60 Video Input Signal Reference Table Video System Supported in TV and Video Modes PAL B G Standard Definition Interface...

Page 26: ...26 4 Mechanical Instructions LE32B7500 Step1 Remove the BASE Step2 Remove the REAR COVER ...

Page 27: ...27 Step3 Remove the MAIN BOARD POWER BOARD BKT IO SPEAKER Step4 Remove the BKT_STAND Step5 Remove the DECO ...

Page 28: ...28 Step6 PANEL ...

Page 29: ...29 LE50B7500 Step1 Remove the BASE Step2 Remove the REAR COVER ...

Page 30: ...30 Step3 Remove the MAIN BOARD POWER BOARD BKT IO Step4 Remove the BKT_STAND SPEAKERS Step5 Remove the DECO Step6 PANEL ...

Page 31: ...w 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 5V Replace the power board No Yes No Yes No ...

Page 32: ...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 33: ...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 34: ... 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 35: ...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 36: ...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 37: ...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 38: ...38 6 PCB Layout 6 1 Main Board 715G6686M01001004K ...

Page 39: ...39 ...

Page 40: ...40 6 2 Power Board 715G6143P01004002H 32 ...

Page 41: ...41 ...

Page 42: ...42 ...

Page 43: ...43 715G6439P01002002M 50 ...

Page 44: ...44 ...

Page 45: ...45 ...

Page 46: ...46 6 3 IR Board 715G6721R02000004I 6 4 Key Board 715G6715K01002004I ...

Page 47: ...en adjust R G B GAIN value in order to the color temperature luminance meet specifications 6 Press Backup Data to save white balance data 7 The value of R G B GAIN should be app 8 Check the sources of HDMI and AV if color temperature over the specifications please adjust it as Ypbpr 9 Temperature spec 10 MAX luminance 220 Normal Warm Cool MIN MAX MIN MAX MIN MAX R GAIN 80 138 80 128 80 138 G GAIN ...

Page 48: ...1 Copy software to USB flash disk root directory 2 Open the TV 3 Insert USB to TV Choose Enter After USB SW update OK TV will reboot 4 Press Menu 8893 then TV will enter factory menu Check SW version if OK then do reset USB SW updates OK ...

Page 49: ...49 8 Block Diagram VGA YPbPr HDMI1 AV1 ATV DTV USB HDMI2 AV2 IIC CVBS_OUT IF SPEAKER Headphone APA2614 APA2176 MST6931 LVDS Panel ...

Page 50: ...iagram LE32B7500 Panel Speaker L Speaker R Key Board 4 Pin CN01 16 Pin 14 Pin 9 Pin 30 Pin CN601 CN8101 CN9100 CN401 IR Board 5 Pin CN201 Power Board 6 Pin CN701 Main Board 4 Pin CN403 MST6931XP CN8101 CN9101 16 Pin ...

Page 51: ...51 LE50B7500 Panel Speaker L Speaker R Power Board 12 Pin CN701 Main Board 4 Pin CN403 MST6931XP Key Board 4 Pin CN01 16 Pin 14 Pin 9 Pin 30 Pin CN601 CN8101 CN9100 CN401 IR Board 5 Pin CN201 ...

Page 52: ...3904 R716 4K7 1 16W 5 R713 10K 1 16W 5 C702 NC 10N 50V Q706 MMBT3904 R703 NC 10K R722 10K 1 16W 5 R723 4K7 1 16W 5 C723 10uF C724 100NF 16V 5V_Standby 5V_Standby 5V_Normal 5V_Normal 5V_Normal 1 8V_DDR 5V_Normal USB_5V 5V_Normal 3 3V_Standby 5V_Normal 5V_Normal BL_EN Q707 MMBT3904 VBL_CTRL PS_ON R707 4K7 1 16W 5 R719 2K2 1 1 16W R727 4K7 1 16W 5 Q708 AO3401A R701 100R 1 16W 1 BL_PWM C713 10uF 16V 1...

Page 53: ... RX2N_D 126 RX2P_D 127 DDCDD_CK 125 LINEIN_R3 39 LINEIN_L4 40 DP_P1 102 DM_P1 101 GPIO11 103 U402 MX25L3206EM2I 12G CS 1 SO SIO1 2 WP 3 GND 4 SI SIO0 5 SCLK 6 HOLD 7 VCC 8 C428 100N 16V C434 100N 16V Q402 MMBT3906 C429 100N 16V C403 2 2UF 16V C415 10UF VDD33 VDDC AVDD_DDR VDD33 AVDD_ADC VDDC VDD33 VDD33 VDDC 3 3V_Standby VDD33 3 3V_Standby AVDD33_DEMOD AU33 3 3V_Standby VDDC AVDD_DDR VDD33 AVDD_DD...

Page 54: ...l Power R438 NC 0oHM Q403 MMBT3904 C401 220N 25V R441 10K 1 16W 5 R437 0oHM R443 10K 1 16W 5 R442 4K7 1 16W 5 R440 NC 1K 1 4W C437 100NF 16V R439 100K 1 16W DGND 5V_Standby PANEL_VCC P12V DGND DGND R473 47K ON_PANEL 2 3D_EN 3D_EN 12 R471 NC R474 0R05 OHM 3D 3 3V_Standby SELLVDS RXEC1 RXE1 RXEC R450 0R05 OHM RXE2 RXE3 RXEC1 3D RXE0 R451 0R05 OHM RXE1 RXEC RXE0 RXE3 RXO1 RXO0 RXOC RXOC1 RXE2 R483 0R...

Page 55: ...C109 10UF 10V R123 12K 1 16W R129 33R 1 16W 5 ZD102 NC MLVG0402 1 2 C121 1N50V C125 100N 16V ZD115 NC MLVG0402 1 2 C102 47nF 16V R132 68OHM 1 16W C122 47nF 16V 470pF 50V C118 C106 47nF 16V R136 10K 1 16W 5 C115 2 2uF 10V R112 75 OHM PB1 PR1 C107 1N50V ZD109 NC MLVG0402 1 2 Q101 MMBT3904 CN105 CONN 1 7 2 8 3 9 4 10 5 11 12 13 14 15 17 16 6 C112 2 2uF 10V R115 75 OHM C104 1uF 10V R121 10K 1 16W 5 C1...

Page 56: ...0_DDC_SCL 2 HDMI0_CLK 2 HDMI_CEC 2 HDMI0_DDC_SDA 2 HDMI1_D1 2 HDMI1_DDC_SDA 2 HDMI1_D0 2 HDMI1_CLK 2 HDMI1_D0 2 HDMI1_CLK 2 HDMI1_D2 2 HOTPLUG1 2 R524 4 99ohm 1 16W 1 HDMI1_DDC_SCL 2 HDMI1_D2 2 HDMI ARC 2 HDMI1_D1 2 HDMI1_D1 HDMI1_D2 HDMI1_D2 HDMI1_D1 HDMI1_D2 HDMI1_D2 HDMI1_D1 HDMI1_CLK HDMI1_D0 HDMI1_D0 HDMI1_D1 HDMI1_CLK HDMI1_CLK HDMI1_D0 HDMI1_D0 HDMI1_CLK R525 4 99ohm 1 16W 1 HDMI CEC R526 4...

Page 57: ...ry Electronics Co Ltd Key Component 絬 隔 瓜 絪 腹 A B 7 9 Wednesday Nov ember 20 2013 称爹 07 Tuner C127 10uF 10V C132 1N 50V C135 NC 56pF 50V R143 100OHM C137 100N 16V R144 10K C141 100NF 16V L104 0R05 1 10W R146 0R05 OHM C133 1N 50V L101 0R05 1 10W C129 100UF 16V C134 100N 16V R145 100OHM C139 NC 100pF 50V R101 100R 22NF 25V C140 TU101 ST33WS 2 E ANT 1 3 3V 2 SCL 3 SDA 4 GND 5 GPIO1 6 IF_N 7 TH1 10 TH...

Page 58: ...0NF 25V C632 1UF 10 16V C635 220NF 25V R613 100OHM R623 10OHM1 16W C613 100N 50V C637 330pF 50V R611 10K 1 16W 5 Q601 MMBT3904 5V_Normal 5V_Normal P24V PVDD PVDD PVDD PVDD AMP_MUTE Low Mute disablde High Mute enable AMP_AUOUTR0 2 AMP_AUOUTL0 2 AUDIO_EN 12 HS601 HEAT SINK 1 2 PGND R PGND R627 10K 1 16W 5 L PGND 1 2A Max OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electr...

Page 59: ... 10K 1 16W 5 KEY_ADC1 DGND LEDR IRRX1 POWER_KEY KEY1 SAR1 POWER LED R LED G IRIN POWER_KEY KEY_ADC1 KEY0 SAR0 IRRX1 R476 NC 0R05 OHM LEDR 12 LEDR OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬 隔 瓜 絪 腹 A A3 9 12 Wednesday Nov ember 20 2013 称爹 09 Keypad IR Q405 MMBT3906 C444 100NF 16V ZD403 NC MLVG0402 1 2 FB409 120R 6000mA 1 2 R477 NC 0R0...

Page 60: ...1 C9901 330NF 275V R9174 2K OHM C9152 470UF 25V C9154 470UF 25V L9101 3UH R9901 620K 1 4W R9902 620K 1 4W R9903 620K 1 4W R9904 620K 1 4W R9905 620K 1 4W 12V1 R9906 620K 1 4W C9903 NC T9101 POWER X FMR 1 2 3 5 6 7 9 10 4 D9103 FR107G A0 C9904 NC C9119 47pF C9909 NC C9153 470UF 25V R9115 390K 5 1 4W R9116 390K 5 1 4W R9104 22OHM 1 8W R9119 390K 5 1 4W R9118 390K 5 1 4W FB9904 JUMP WIRE 1 2 BD901 GB...

Page 61: ... 8W R8132 10K OHM 5 1 8W C8119 2 2uF 25V R8117 9K1 1 8W 1 C8104 2 2uF 25V C8110 1NF 50V R8147 10K OHM 5 1 8W D8103 1N4148W CN8101 CONN 1 2 3 4 5 6 7 8 R8130 220K 5 1 8W Q8104 AOD2916 Q8105 PMBT3904 IC8501 PF7903BS DIMOUT 1 GM 2 FB 3 OVP DIM 4 CS 5 GND 6 OUT 7 VCC 8 R8133 33K 1 8W 5 Q8101 AO4440 S 1 S 2 S 3 G 4 D 8 D 7 D 6 D 5 Q8106 PMBT3906 R8108 330R 1 8W 5 C8114 10nF 50V C8121 1uF C8112 220uF 50...

Page 62: ...OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬 隔 瓜 絪 腹 A 1 5 Thursday July 17 2014 01 AC input L9902 12MH 1 2 4 3 CN9902 SOCKET 1 2 C9911 220PF 250V HS9901 heat sink 1 2 3 4 C9910 220PF 250V BD9901 TS10K80 02 2 1 3 4 CN9903 NC CONN L 1 N 2 FB9901 BEAD 1 2 C9903 47pF 250V C9905 470NF 275V RV9901 620V SG9902 NC DSPL 501N A21F C9906 470NF 2...

Page 63: ...C 47PF D9802 FMNS 1106S D9801 KBP206G 2 1 3 4 R9810 47 OHM 1 4W C9814 56uF 500V C9810 2 2UF 25V R9802 10R 1 8W 5 Q9801 STF24NM60N C9831 NC R9809 680K OHM 1 1 4W R9812 22K 1 8W 1 FB9803 BEAD 1 2 HS9801 HEAT SINK 1 2 3 4 C9811 1NF 50V R9813 27K 1 8W 5 C9807 3 3nF 50V C9803 10UF 50V C9809 470NF 50V C9801 NC 1UF 450V R9806 10K OHM 5 1 8W D9803 RB160M 1 2 FB9805 127R 1 2 HV R R VCC_ON Vsin OEM MODEL Si...

Page 64: ...C9110 1uF R9152 NC 100KOHM 5 1 8W L9101 3UH C9112 470UF 25V IC9100 SSC2S110 GND 1 FB OLP 2 NC 3 ST 4 NC 5 DRIVE 6 OCP 7 VCC 8 R9142 22R R9402 100K 1 8W 1 CN9100 CONN 2 4 6 8 10 12 14 16 1 3 5 7 9 11 13 15 R9401 3K FB9904 127R 1 2 12VS IC9401 EL817M X 1 2 4 3 R9162 NC 15K 1 1 8W Q9107 NC PMBT3906 C9127 NC 1uF 50V R9161 NC 30 OHM 1 4W C9126 NC 470UF 25V C9122 NC 1uF 50V R9139 NC 2K 1 8W 1 R9158 NC 3...

Page 65: ...N 50V VBoot VLED BL_ON OFF VBoot VLED VLED 2 DIM VLED 2 C8100 1NF R8102 1 5M 1 1 4W IC_VCC D8102 NC FMX 23S 1 2 3 R8300 NC R8303 1K 1 8W 1 C8140 100N 50V D8106 NC FMX 23S 1 2 3 10 3 穝糤 LED э2 ch for XNB C8301 100N 50V HS8105 HEAT SINK 1 2 R8152 NC 1Kohm 1 1 4W C8135 4N7 50V HS8103 HEAT SINK 1 2 VLED 1 3D_ON R8150 NC 10K 1 4W 20131113穝糤DIP癸郸 R8149 0R05 1 4W VCC_ON R8311 1K 1 8W 1 Q8302 PMBT3906 FB8...

Page 66: ... JUMPER 1 2 J925 JUMPER 1 2 J928 JUMPER 1 2 J927 JUMPER 1 2 J929 JUMPER 1 2 J930 JUMPER 1 2 J931 JUMPER 1 2 J932 JUMPER 1 2 J933 JUMPER 1 2 J934 JUMPER 1 2 J935 JUMPER 1 2 J936 JUMPER 1 2 J938 JUMPER 1 2 J939 JUMPER 1 2 J940 JUMPER 1 2 J941 JUMPER 1 2 JR901 0R05 1 4W JR903 0R05 1 4W JR905 0R05 1 4W JR904 0R05 1 4W JR906 0R05 1 4W J937 JUMPER 1 2 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME ...

Page 67: ...ze Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬 隔 瓜 絪 腹 A A 2 2 称爹 02 IR LED IR C201 2 2uF 10V VCC R201 15K 1 16W 5 U201 TSOP75438TR GND 1 VCC 2 Vout 3 GND 4 LED_R LED201 1 2 3 CN201 CONN 1 2 3 4 5 6 7 ...

Page 68: ...ate Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬 隔 瓜 絪 腹 A Custom 2 2 Friday December 06 2013 称爹 02 Keypad 1 070V 1 985V 2 411V 1 497V 0 239V 0 660V R06 680R 1 10W 1 R07 680R 1 10W 1 CN01 CONN 1 2 3 4 6 5 FUNC_KEY PWR SW SW07 TACT SW FWRD H1 5MM SW06 TACT SW FWRD H1 5MM SW05 TACT SW FWRD H1 5MM SW04 TACT SW FWRD H1 5MM SW03 TACT SW FWRD H1 5MM SW02 TACT SW FW...

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