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Haier HL32D2 Service Manual

Haier HL32D2 Service Manual

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31.5 &42 LCD TV
Service
Service
Service
Description
Table of Contents...........................................................1
Important Safety Notice..................................................2
Revision List.........................................................3
1.General Specification...............................................4
2.Operating Instructions...........................................6
2.1 The Use of Remote Control...................................6
2.2 To Use the Menus...............................................7
2.3 Front Panel Control Knobs..................................12
2.4 How to Connect................................................13
3.Input/Output Specification.......................................14
4.Mechanical Instructions.........................................17
5.Repair Flow Chart ..............................................25
6.PCB Layout .......................................................30
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS
AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING
ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
All manuals and user guides at all-guides.com

Table of Contents

Page Description
6.1 Main Board.......................................................30
6.2 Power Board......................................................34
6.3 Key Board........................................................40
6.4 IR Board..........................................................40
7.Adjustment..............................................................41
8.Block Diagram............................................................42
9.Wiring Diagram...........................................................43
10.Schematic Diagram.............................................45
10.1 Main Board......................................................45
10.2 Power Board....................................................58
10.3 Key Board.......................................................67
10.4 IR Board.........................................................68
11.Exploded View................................................69
SAFETY NOTICE
1
Haier HL32D2&HL42XD2
Horizontal Frequency
31~68 KHz
Page

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Summary of Contents for Haier HL32D2

  • Page 1: Table Of Contents

    All manuals and user guides at all-guides.com 31.5 &42 LCD TV Haier HL32D2&HL42XD2 Service Service Service Horizontal Frequency 31~68 KHz Table of Contents Description Page Description Page 6.1 Main Board………………..………………...………..30 Table of Contents..……........…..1 6.2 Power Board…..…………..……….…….…..…..34 Important Safety Notice........……..2 6.3 Key Board…………………………..……..………..40 Revision List…………………………………………………3...
  • Page 2: Important Safety Notice

    All manuals and user guides at all-guides.com Important Safety Notice Proper service and repair is important to the safe, reliable operation of all Haier Company Equipment. The service procedures recommended by Haier and described in this service manual are effective methods of performing service operations.
  • Page 3: Revision List

    All manuals and user guides at all-guides.com Revision List Version Release Date Revision Instructions Customer Model Model E32AAZNK3WH3N HL32D2 E32AAZNK3WH3XNX Mar.29,2010 Initial release E42AMZNK3WH3N HL42XD2 E42AMZNK3WH3XNX...
  • Page 4: General Specification

    AV IN: AV/S-Video and L/R audio input PC IN:D-SUB and PC Audio (Headphone mini-jack) Supported scan rate: 640x480@60/72/75Hz,720x400@70Hz, 800x600@56/60/72/75Hz,1024x768@60/70/75Hz, 1280x720@60Hz,1280x768@60Hz 1360x768@60Hz:For HL19D2 / HL32D2 only. 1280x1024@60Hz,1440x900@60Hz,1680x1050@60Hz 1920x1080@60Hz: For HL24XD2 / HL42XD2 only. Rear Connectors Recommended: For HL32D2: 1360x768 For HL42XD2: 1920x1080...
  • Page 5 All manuals and user guides at all-guides.com Model No. HL32D2 HL42XD2 WEIGHT & DIMENSIOIN Dimensions 790.5 mm 1015.36 mm with Stand 569.1 mm 703.03 mm 239.6 mm 280.50 mm (W x H x D) Dimensions 790.5 mm 1015.36 mm without Stand 526.8 mm...
  • Page 6: Operating Instructions

    All manuals and user guides at all-guides.com 2. Operating Instructions 2.1 The Use of Remote Control Power Press to power ON/OFF(standby) TV. Press "Fav" to open or toggle channel (Note: 1. TV is never completely power item in Favorite Channel List. off unless physically unplugged.
  • Page 7: To Use The Menus

    All manuals and user guides at all-guides.com 2.2 To Use the Menus 1. Press the Menu button to display or close the main menu. 2. Use the Navigation Ring to move around to select, adjust or confirm an item in the OSD (On Screen Display) menu.
  • Page 8 All manuals and user guides at all-guides.com AUDIO MENU The Audio menu in TV mode shows as below. It provides audio adjustment for user to modify the audio setting. Audio language setting is only available with ATSC TV source, the option is disable under other source modes. Sound Mode: Choose the audio mode: Personal, Music, or Speech.
  • Page 9 All manuals and user guides at all-guides.com 3. Transparency: Adjust the transparency of the on-screen menu from range 0 to 10. 4. Password Setting: Change the 4-numeral parental control password. Three steps are required for changing the password: Enter Old Password -> Enter New Password ->Confirm New Password. Note: This item is only available in TV, Composite and S-Video source modes.
  • Page 10 All manuals and user guides at all-guides.com 6. Closed Captions: Select a closed caption options. (Off / On / With Mute) 7. Analog Captions: Select an analog caption options. (CC 1-4 / TEXT 1-4) 8. Digital Captions: Select a digital caption options. (SERVICE 1-6) 9.
  • Page 11 All manuals and user guides at all-guides.com Rotate Photo: Rotate selected picture. (0/90/180/270) •• Back to Upper Folder: Return to the upper folder. •• Back to Root Folder: Return to root folder. •• Back To Browser: Return to Browser mode. (Photo page with control menu.) ••...
  • Page 12: Front Panel Control Knobs

    All manuals and user guides at all-guides.com 2.3 Front Panel Control Knobs VOL + VOL +: Press to increase the sound volume level. VOL - VOL -: Press to decrease the sound volume level. : Press to select the next higher Programme number. : Press to select the next lower Programme number.
  • Page 13: How To Connect

    All manuals and user guides at all-guides.com 2.4 How to Connect 1. HDMI – Connect the primary source for digital video such as a DVD multimedia player or set top box through this all digital connector. 2. PC IN – Connect the video and audio cables from a computer here. 3.
  • Page 14: Input/Output Specification

    All manuals and user guides at all-guides.com 3. Input/Output Specification 3.1 Input Signal Connector D-SUB Pin No. Description Pin No. Description Red Video No Pin Green Video Sync GND Blue Video SDA(Remote Control) SCL(Remote Control) Serial Data for DDC Ground H.
  • Page 15 All manuals and user guides at all-guides.com 3.2 Input Signal Timing HL32D2 Analog RGB VESA MODES Horizontal Vertical Nominal Nominal Sync Nominal Sync Mode Resolution Total Pixel Clock Frequency(KHz) Polarity Freq.(Hz) Polarity (MHz) 640x480@60Hz 800 x 525 31.469 59.940 25.175...
  • Page 16 All manuals and user guides at all-guides.com HL32D2 Component Display performance description Input signal Industry Interlace Total Horizontal Sampling Vertical Format Code rate Line Per Frequency Frequency ASPECT Frequency (Hz) Partition Frame (KHz) (MHz) 480i 720 x 480 i 15.75 13.51...
  • Page 17: Mechanical Instructions

    All manuals and user guides at all-guides.com 4. Mechanical Instructions Note: Below are only the critical steps of disassembing the HL32D2 and HL42XD2 TV, and may be there is a little difference for the following pictures with the actual TV, only for your reference.
  • Page 18 All manuals and user guides at all-guides.com 3. Remove all the detachable HARNESS or CABLE. Disconnect the harness and cable as Fig 3. Fig 3 4. Remove the MAIN, POWER, INVERTER BOARD and BASE-SUPPORT. Unscrew the 22 screws as Fig 4. Fig 4...
  • Page 19 All manuals and user guides at all-guides.com 5. Remove the BEZEL and PANEL. a. Unscrew the 4 screws as Fig 5a. b. Remove the 4 washers as Fig 5b. Fig 5a Fig 5b The BEZEL. Fig 5...
  • Page 20 All manuals and user guides at all-guides.com HL42XD2 Front and Rear view 1. Remove the NECK COVER and STAND ASS’Y. a. Unscrew the 5 screws to remove NECK COVER as Fig 1a. b. Unscrew the 1 screw to remove STAND ASS’Y as Fig 1b. Fig 1a Fig 1b...
  • Page 21 All manuals and user guides at all-guides.com 2. Remove the REAR COVER. Unscrew the 12 screws for rear cover and 3 screws for HDMI commector as Fig 2. Fig 2 3. Remove the all the detachable HARNESS. Disconnect all the detachable HARNESS as Fig 3. Fig 3...
  • Page 22 All manuals and user guides at all-guides.com 4. Remove the VESA BRACKET LCM. Unscrew the 2 screws to remove VESA BRACKET LCM as Fig 4. Fig 4 5. Remove the MAIN, POWER and INVERTER BOARD. Unscrew the 17 screws as Fig 5. Fig 5...
  • Page 23 All manuals and user guides at all-guides.com 6. Remove the STAND BRACKET and BOLT. Unscrew the 7 screws and 4 bolts as Fig 6. Fig 6 7. Remove the BEZEL and PANEL. Unscrew the 6 screws as Fig 7. Fig 7...
  • Page 24 All manuals and user guides at all-guides.com The BEZEL.
  • Page 25: Repair Flow Chart

    All manuals and user guides at all-guides.com 5. Repair Flow Chart 1. No power No power (LED “Off”) Check the AC input and Power “On” the power is “On”? Power board output=5V? Replace the power board Check the IR board and LED Replace the IR board Replace the main board...
  • Page 26 All manuals and user guides at all-guides.com 2. Can’t start Can’t start (LED Red) Replace the power board Power board output 24V? Replace the key board Check the power key is under control? Replace the IR board Check the IR receiver is normal? Replace the main board Replace the Power board...
  • Page 27 All manuals and user guides at all-guides.com 3. No display No display (LED Blue) Check TV is under control and power Replace the main board on/off by remote control and power key? Check the backlight is “On”? Check the LVDS cable Check the B/L signal is available? Reinsert or replace the...
  • Page 28 All manuals and user guides at all-guides.com 4. Sound problem No sound or sound abnormal Check the audio source connection and the TV system are correct Reinsert the audio cable or change the TV system Check the TV is muted, adjust the volume or enter the menu to reset? Check the cable between the speakers and main board is ok?
  • Page 29 All manuals and user guides at all-guides.com 5. Remote Control malfunction OSD is unstable or can’t work normally Key board connected properly? Reconnect the key board Buttons are ok? Replace the button function Replace the key board Key board is ok? Replace the main board 6.
  • Page 30: Pcb Layout

    All manuals and user guides at all-guides.com 6. PCB Layout 6.1 Main Board 715G3269M01001005K...
  • Page 31 All manuals and user guides at all-guides.com...
  • Page 32 All manuals and user guides at all-guides.com...
  • Page 33 All manuals and user guides at all-guides.com...
  • Page 34: Power Board

    All manuals and user guides at all-guides.com 6.2 Power Board HL32D2 715G3332 1...
  • Page 35 All manuals and user guides at all-guides.com 715G3645P01W30003S...
  • Page 36 All manuals and user guides at all-guides.com HL42XD2 715G3351 1...
  • Page 37 All manuals and user guides at all-guides.com...
  • Page 38 All manuals and user guides at all-guides.com...
  • Page 39 All manuals and user guides at all-guides.com 715G3358 2...
  • Page 40: Key Board

    All manuals and user guides at all-guides.com 6.3 Key Board 715G3293 1 6.4 IR Board 715T3294 1...
  • Page 41: Adjustment

    All manuals and user guides at all-guides.com 7. Adjustment It’s no need to adjust the white balance for this model, do ADC only. Step1: Turn on the TV, press “Menu”, then press number key 1 9 and “ENTER”, it will achieve the factory mode.
  • Page 42: Block Diagram

    All manuals and user guides at all-guides.com 8. Block Diagram P24V P24V Inverter & Audio Amplifier P12V Tuner P12V U708 G9084T43U U709 AZ1117D-5.0-E1 ENV56S02D8F P12V CVBS LVDS LCD PANEL U710 SC4525BSETRT PANEL_5V VIDEO1 CVBS +5VSB 3V3_STB 1V8_STB POWER +5VSB U706 SC194BM LTRT U702 AIC1084-18PE BOARD VIDEO2...
  • Page 43: Wiring Diagram

    All manuals and user guides at all-guides.com 9. Wiring Diagram Panel HL32D2 LVDS Cable 24 Pin CN405 Scaler IC ZR39775HGCF Board Power Board U401 Inverter Board TU201 Tuner CN01 CN901 4 Pin 10 Pin CN403 IR Board CN01 Speaker R/L...
  • Page 44 All manuals and user guides at all-guides.com HL42XD2 Panel To panel LVDS Cable 24 Pin CN405 Scaler IC ZR39775HGCF Board U401 Power Board TU201 Tuner CN01 CN901 4 Pin 10 Pin CN403 IR Board CN01 Speaker R/L...
  • Page 45: Schematic Diagram

    All manuals and user guides at all-guides.com 10. Schematic Diagram 10.1 Main Board 715G3269M01001005K 03) Tuner C265 C266 0.0022uF 0.0022uF FB201 600 OHM FB202 NC/600 OHM C267 U401P FB203 600 OHM 1uF/25V If SIF_IN is not use, C207 change to 0.01uF C201 C202 C203...
  • Page 46 All manuals and user guides at all-guides.com 04) AV/YPbPr Inputs D3V3 Active L R276 10K 1/10W 5% R277 100R 1/10W 5% AV1_S_DET 5 S1_Y FB204 30 OHM U401F S1_C FB205 30 OHM Place parts very close to U401 AV1 Input U201 Video In I/F VCC5D...
  • Page 47 All manuals and user guides at all-guides.com 05) HDMI Inputs Run As 100 Ohm Differential Pairs Run As 100 Ohm Differential Pairs CN501 HDMI VCC5D U401O U501 3V3_STB HDMI2_D0P HDMI2_CLKN HDMI2_CLKN HDMI1 I/F TMDSD0+ Line-1 HDMI2_D0N HDMI2_CLKP L501 NC/90 ohm TMDSD0- Line-2 HDMI2_CLKP...
  • Page 48 All manuals and user guides at all-guides.com 06) VGA/HDMI Inputs D3V3 3V3_STB VGA Input R251 10K 1/10W 5% VGA5V R252 10K 1/10W 5% R287 NC/10K 1/10W 5% UART0_TX R253 220R 1/10W 5% UART0_TX CN206 UART0_RX R254 220R 1/10W 5% C252 DB15 UART0_RX 0.1uF/16V...
  • Page 49 All manuals and user guides at all-guides.com 07) SIO I/F D3V3 D3V3 EJTAG I/F U401C R404 R405 R406 R407 R408 R409 R401 NC/4K7 1/10W 5% SIO I/F 4K7 1/10W 5% 4K7 1/10W 5% 4K7 1/10W 5% 1K 1/10W 5% CN401 System MCU RESET 1K 1/10W 5% 1K 1/10W 5%...
  • Page 50 All manuals and user guides at all-guides.com 08) GPIO Block D3V3 3V3_STB TVMicro Bootstrap Bootstrap Configuration U401K Configuration 3V3_STB GPIO R450 R451 BOOT_STRAP0 BOOT_STRAP0 3V3_STB GPIO_P0 DEMOD_RSTN 3 BOOT_STRAP1 BOOT_STRAP1 4K7 1/10W 5% 4K7 1/10W 5% GPIO_P1 BOOT_STRAP2 BOOT_STRAP2 GPIO_P2 BOOT_STRAP3 BOOT_STRAP3 TEST_MODE...
  • Page 51 All manuals and user guides at all-guides.com 09) DDRII SDRAM I/F S0_DQ[0:15] D1V8 D1V8 256Mb (16Mx16) DDRII 56G 615 75 U401A HY5PS561621BFP-25 R492 S0_A[0:12] S0 Memory I/F C442 100R 1/10W 1% 56G 615 66 S0_DQ15 S0_A13 0.1uF/16V S0_DQ15 S0_A13 S0_DQ14 S0_A12 S0_A0 S0_VREF...
  • Page 52 All manuals and user guides at all-guides.com 10) LVDS I/F D3V3 CN404 U401J NC/CONN U401R U401N LVDS I/F VCC1V1 Power D3V3 Ground LVDS_CKE_P LVDS_D4O_N LVDS_D4O_P C462 C463 C464 C465 C466 C467 C468 LVDS_D3O_N LVDS_D3O_P AF24 L402 NC/90 ohm LVDS_CE_P GND48 GND49 LVDS_CKE_N LVDS_D2O_N...
  • Page 53 All manuals and user guides at all-guides.com 11) Audio Inputs U401E CN601 Audio IN AV1_Audio_L FB601 0R05 1/10W 5% R601 10K 1/10W 5% AV1_Audio_L C601 2.2uF/25V LINE_IN1_L FB602 0R05 1/10W 5% R603 10K 1/10W 5% AV1_Audio_R AV1_Audio_R C602 2.2uF/25V Audio LINE_IN1_R AV2_Audio_L C604...
  • Page 54 All manuals and user guides at all-guides.com 12) Audio Amplifier A24V D601 RB160M-60TE25 C629 R634 A24V P12V +5VSB A24V VCC5D 470UF35V 10K 1/10W 5% D3V3 D3V3 R635 D602 LL4148 PD_MUTE PD_MUTE R636 R632 R637 R638 R639 51K 1/10W 5% 100K 1/10W 5% 680R 1/10W 5% R640 R641...
  • Page 55 All manuals and user guides at all-guides.com 13) Earphone/AV Outputs VCC5D 5V_HP R675 D605 C619 C661 RB160M-60TE25 0.1uF/16V 470uF/10V D3V3 EarPhone EarP_L EarP_R R676 R677 U604 Output C662 20K 1/10W 5% 7K5 1/10W 5% R679 R680 AMP_LIN 7K5 1/10W 5% 20K 1/10W 5% C663 R678...
  • Page 56 All manuals and user guides at all-guides.com 14) Power +5VSB 3V3_STB 1V8_STB FB704 U702 AIC1084-18PE NC / 33 OHM C767 R740 L706 2.2uH C701 R741 C744 0.1uF /50V U706 C706 C704 100uF 25V 22uF 10V G5692P11U ZD703 10R 1/10W 5% 3V3_STB 0.1uF/16V 220uF/10V...
  • Page 57 All manuals and user guides at all-guides.com 15) Power & GPIO Table ZR39775HGCF GPIO Pin Table Signal ZR39775 GPIO # Function Note TYPE DEMOD_RSTN GPIO_P_0 MIPS Reset DeModulator GPIO_P_1 MIPS GPIO_P_2 MIPS P12V GPIO_P_3 MIPS BL_ON_OFF GPIO_P_4 MIPS Backlight ON/OFF R722 EARPHONE_DET GPIO_P_5...
  • Page 58: Power Board

    All manuals and user guides at all-guides.com 10.2 Power Board HL32D2 715G3332 1 D904 C932 R993 B+_390V 1000PF2KV T901 IN5408 R991 100K OHM 1/4W POWER X'FMR FB901 FB902 FB903 D902 RV902 100K OHM 1/4W R950 FMN-1106S C930 47 OHM 1/4W...
  • Page 59 All manuals and user guides at all-guides.com B+_390V R801 0.1 ohm C823 10nF D801 C802 T801 2.2uF 25V X7R 50:50:50 Q801 C801 T802 SCS0520P AOTF12N50 1uF/450V P:S=42:42 R832 R802 10K OHM 1/4W +-5% 100 OHM 1/8W Q802 D803 SCS0520P D802 AOTF12N50 SCS0520P CN801...
  • Page 60 All manuals and user guides at all-guides.com 715G3645P01W30003S R8807 R8801 D8801 R8804 1K 1/8W 100 OHM +-5% 1/8W 1N4148 10KOHM +-5% 1/8W R8802 D8802 CN8801 100 OHM +-5% 1/8W 1N4148 R8805 100K OHM 1/8W R8806 D8804 C8801 D8806 CN8802 100 OHM +-5% 1/8W 1N4148 1N 50V R8808...
  • Page 61 All manuals and user guides at all-guides.com HL42XD2 715G3351 1 SG901 RV902 R901 300K OHM 1/4W SG903 C902 680pF 2.0MH 20.0MH RV903 L901 L902 L903 R902 RV901 300K OHM 1/4W Varistor C901 C904 0.47uF 0.47uF 20.0MH BD901 CN901 FB901 D10XB60 BEAD R903 C903...
  • Page 62 All manuals and user guides at all-guides.com R801 0.1 ohm HEAT SINK (Q806) C802 T802 2.2uF 25V X7R R843 D801 Q801 C822 T801 R839 200 OHM 1/8W 1N4148-B4006 2SK4086LS 2.2uF 25V X7R R845 D808 Q806 T803 10R 1/8W 5% R832 R841 200 OHM 1/8W 2SK4086LS...
  • Page 63 All manuals and user guides at all-guides.com 1.5 KOHM +-5% 1/4W 1.5 KOHM +-5% 1/4W T902 R907 R908 POWER X'FMR FB902 BEAD R904 4.7 OHM 1W R905 R906 100K OHM 1/4W 100K OHM 1/4W R985 R986 C907 C908 L906 D907 1.5 KOHM +-5% 1/4W 1.5 KOHM +-5% 1/4W 1206 1NF K 500V X7R...
  • Page 64 All manuals and user guides at all-guides.com L904 D901 FMXA-1106S P:S=50:28 D920 C927 1uF/520V SUF305B C929 C930 C928 100uF M 450V 100uF M 450V 0.1NF2KV D908 1N5408-E3/73 0.1OHM2W R943 R942 3.3M OHM 1/14W 1N4148 R944 D909 0.1OHM2W 100R 1/8W 5% VCC1 R945 R946...
  • Page 65 All manuals and user guides at all-guides.com T901 POWER X'FMR R963 R964 L907 100K OHM 1/4W 100K OHM 1/4W C942 D910 0.1NF2KV SBT15006JST D911 D919 JUMPER PR1007 3.5uH R965 R966 D912 C944 C948 100K OHM 1/4W 100K OHM 1/4W SARS01-V1 0.0022uF C961 C962...
  • Page 66 All manuals and user guides at all-guides.com 715G3358 2 R8801 D8801 100R 1/8W 5% 1N4148 CN8801 R8802 D8802 100R 1/8W 5% 1N4148 D8825 R8803 D8803 1N4148 100R 1/8W 5% 1N4148 R8804 10K 1/8W 5% R8806 D8804 100R 1/8W 5% 1N4148 CONN R8808 D8806...
  • Page 67: Key Board

    All manuals and user guides at all-guides.com 10.3 Key Board 715G3293 1 SW01 ~2.59V VOL+ TACT SW FWRD H1.5MM 7.5KOHM +-1% 1/10W SW02 ~2.12V VOL- TACT SW FWRD H1.5MM 2.7KOHM +-1% 1/10W SW03 ~1.72V 3V3_STB TACT SW FWRD H1.5MM 1.8K OHM 1% 1/10W SW04 NC/0.1uF/16V NC/4.7uF/16V...
  • Page 68: Ir Board

    All manuals and user guides at all-guides.com 10.4 IR Board 715T3294 1 LED01 BLUE CN01 081G 14 24 GP LED_R LED_B IRRV VOUT 15K OHM 1/10W GP18B38BCE-HB CONN 0.1uF/16V NC/4.7uF/16V 056G 627503 33T8032 5F HR...
  • Page 69: Exploded View

    All manuals and user guides at all-guides.com 11. Exploded View HL32D2...
  • Page 70 All manuals and user guides at all-guides.com HL42XD2...
  • Page 71 PANEL MAIN BOARD IO SIDE COVER REAR COVER HINGE BASE 32TV BKT_BASE-1 RUBBER FOOT REMOTE CONTROL FOR USA HAIER Screw Lists Description Q'ty 0D1G1730 8120 SCREW FOR MAIN,POWER AND INVERTER BOARD 0M1G 930 6 47 CR3 SCREW FOR IO COVER...
  • Page 72 BEZEL 42 BASE COVER A1 IO SIDE COVER HINGE ASS'Y BOLT POWER BOARD SUPPORT CABLE TIE TAPE_INSULATING REMOTE CONTROL FOR USA HAIER Screw Lists Description Q'ty 001G6021 1 SCREW FOR SPEAKER 0M1G 930 6 47 CR3 SCREW FOR HDMI 0Q1G 130 8 47 CR3...

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