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Haier HL32D1 Service Manual
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Haier HL32D1 Service Manual

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See also: Owner's Manual
32"LCD TV
Service
Service
Service
Description

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...............................................17
6. PCB Layout........................................................21
6.1 Main Board.......................................................21
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
TABLE OF CONTENTS
Page
Description
6.2 Power Board................................................23
6.3 Key Board.....................................................24
6.4 IR Board.......................................................25
7. Adjustment..............................................................26
8. Block Diagram........................................................29
9. Wiring Diagram......................................................30
10. Schematic Diagram........................................31
10.1 Main Board..................................................31
10.2 Power Board.................................................43
10.3 Key Board...................................................44
10.4 IR Board.....................................................45
11. Exploded View...............................................46
12. BOM List.....................................................48
SAFETY NOTICE
1
Haier HL32D1
Horizontal Frequency
31~60 kHz
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Summary of Contents for Haier HL32D1

  • Page 1: Table Of Contents

    32″LCD TV Haier HL32D1 Service Service Service Horizontal Frequency 31~60 kHz TABLE OF CONTENTS Description Page Description Page Table of Contents..……........…..1 6.2 Power Board……………..………….…..……..23 Important Safety Notice........……..2 6.3 Key Board………………………..……..………..24 Revision List…………………………………………………3 6.4 IR Board…………………………..……….……..25 1. General Specification.........………..4 7. Adjustment..............26 2.

  • Page 2: Revision List

    Haier HL32D1 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. Some of these service operations require the use of tools specially designed for the purpose.

  • Page 3: General Specification

    32″LCD TV Haier HL32D1 1. General Specification...

  • Page 4: Operating Instructions

    32″LCD TV Haier HL32D1 2. Operating Instructions 2.1 The Use of Remote Control...

  • Page 5: To Use The Menu

    32″LCD TV Haier HL32D1 2.2 To Use the Menus 1. Press the MENU/EXIT 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 6 32″LCD TV Haier HL32D1 3. Contrast: Video contrast adjustment, the tuning range is 0 ~ 100. 4. Sharpness: Video sharpness adjustment, the tuning range is 0 ~ 100. 5. Color: Video color chroma adjustment, the tuning range is 0 ~ 100.
  • Page 7 32″LCD TV Haier HL32D1 1. Menu Language: Select the menu display language. (English / Français / Español) 2. Time: Set current time. The sub-menu includes Time Mode, Time Zone and Daylight Savings. [Time Mode] – Choose from Auto or Manual.
  • Page 8 32″LCD TV Haier HL32D1 6. Parental Control: provide the parental Control (V-chip) function setting. Before entering the Parental Control sub-menu, user has to key in the password first. Enter the Parental Locks item, then the user can modify the restricted table about MPAA or TV Rating respectively. While exiting the sub-menu, the parental control function is working.
  • Page 9 32″LCD TV Haier HL32D1 13. Reset to Default: Restore all the default settings. VGA Menu This option only shows and is available in VGA mode, which provides several items for the VGA display fine tuning. 1. H-Position: Adjust the horizontal position of the picture. (0-100) 2.

  • Page 10: How To Connect

    32″LCD TV Haier HL32D1 2.3 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. The white color band on the rear of the TV indicates this connection.

  • Page 11: Front Panel Control Knobs

    32″LCD TV Haier HL32D1 2.4 Front Panel Control Knobs...

  • Page 12: Input/Output Specification

    32″LCD TV Haier HL32D1 3. Input/Output Specification 3.1 RGB Signal input Pin No. Description Pin No. Description Red Video No Pin! Green Video Sync Ground Blue Video SDA(Remote Control) SCL(Remote Control) Serial Data for DDC Ground H-Sync. Red Ground V-Sync.
  • Page 13 32″LCD TV Haier HL32D1 3.3 Signal type AV (Composite Video input) Video System NTSC Amplitude 1.0 V(p-p), negative sync. Impedance 75 ohm terminated S-Video (Y / C input) S-Video System NTSC Y signal amplitude 1.0Vpp (including sync) C signal amplitude 0.286Vpp...

  • Page 14: Mechanical Instructions

    32″LCD TV Haier HL32D1 4. Mechanical Instructions 1. Remove the stand and rear cover. 2. Release the connectors and remove the speakers, BKT-base and panel support.
  • Page 15 32″LCD TV Haier HL32D1 3. Remove main board and power board. 4. Remove the IR board and key board. 5. Remove panel.

  • Page 16: Repair Flow Chart

    32″LCD TV Haier HL32D1 5. Repair Flow Chart No Picture (LED Orange) No picture Check key board/IR board Change key board/IR board Check 24V power supply Check the power supply circuit Check main board Standby power supply Change U706 Check U401...

  • Page 17: Abnormal Display

    32″LCD TV Haier HL32D1 Abnormal Display Reset source Check the source Replace the filter or resistance Check signal filter circuit Check input RF signal Check TV system setup Replace LVDS cable Check Tuner Check LVDS cable Check panel Replace panel...
  • Page 18 32″LCD TV Haier HL32D1 No Power (No LED Indicator) Plug in power cord and interface Check power cord and board interface Replace F901 or BD901 or C907 Check F901, BD901, C907 Check IC931, Q931 Replace IC931 or Q931 Replace T931...
  • Page 19 32″LCD TV Haier HL32D1 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 Replace Key Pad Board Is Key Pad Board Normally? Check Main Board...

  • Page 20: Pcb Layout

    32″LCD TV Haier HL32D1 6. PCB Layout 6.1 Main Board 715G3269 1...
  • Page 21 32″LCD TV Haier HL32D1...

  • Page 22: Power Board

    32″LCD TV Haier HL32D1 6.2 Power Board 715T2804 4...

  • Page 23: Key Board

    32″LCD TV Haier HL32D1 6.3 Key Board 715G3528K01000001M...

  • Page 24: Ir Board

    32″LCD TV Haier HL32D1 6.4 IR Board 715T3107 1...

  • Page 25: Adjustment

    32″LCD TV Haier HL32D1 7. Adjustment 7.1 ADC Adjustment Ⅰ. In the TV mode adjust volume to zero, press menu key and then press number key 1 9. It will achieve the factory mode. Select the item of White Balance and press right key to enter it.
  • Page 26 32″LCD TV Haier HL32D1 Note: We do the HDMI white balance to cover the white balance of all source modes, this method is meeting to the Zoran 775 software. HDMI mode: Ⅰ. In the TV mode adjust volume to zero, press menu key and then press number key 1 9.
  • Page 27 32″LCD TV Haier HL32D1 black balance, until the Ca210 show x =266, y =277. 6. Use the item R Gain and B Gain to adjust white balance: use 100 IRE (Pattern 105) signal, and adjust the white balance, until the Ca210 show x =266, y =277.

  • Page 28: Block Diagram

    32″LCD TV Haier HL32D1 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 U702 AIC1084-18PE U706 SC194BM LTRT...

  • Page 29: Wiring Diagram

    32″LCD TV Haier HL32D1 9. Wiring Diagram Panel LVDS Cable Inverter Board 24 Pin 13 Pin 12 Pin CN903 CN902 CN405 ZR39775HGCF-B U401 CN606 Power Board Scaler IC Board 4 Pin CN001 CN701 AC IN 10 Pin CN901 CN403 5 Pin...

  • Page 30: Schematic Diagram

    32″LCD TV Haier HL32D1 10. Schematic Diagram 10.1 Main Board 715G3269 1 3) Tuner C265 C266 0.0022uF 0.0022uF FB201 600 OHM FB202 NC/600 OHM C267 U401P FB203 600 OHM 1uF/16V C201 C202 C203 Demodulator TU201 TUNER D3V3 0.1uF/16V 0.1uF/16V SIF_IN C204 NC/0.1uF/16V...
  • Page 31 32″LCD TV Haier HL32D1 4) AV/YPbPr Inputs D3V3 Active L R276 10K 1/10W 5% R277 100R 1/10W 5% AV1_S_DET 5 FB204 30 OHM S1_Y U401F FB205 30 OHM S1_C AV1 Input U201 Video In I/F VCC5D AZC099-04S R216 R217 (Rear)
  • Page 32 32″LCD TV Haier HL32D1 5) HDMI Inputs Run As 100 Ohm Differential Pairs Run As 100 Ohm Differential Pairs CN501 NC/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 33 32″LCD TV Haier HL32D1 6) 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 34 32″LCD TV Haier HL32D1 7) SIO I/F D3V3 D3V3 EJTAG I/F R404 R405 R406 R407 R408 U401C 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 1K 1/10W 5%...
  • Page 35 32″LCD TV Haier HL32D1 8) GPIO Block D3V3 TVMicro Bootstrap 3V3_STB 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 36 32″LCD TV Haier HL32D1 9) DDRII SDRAM I/F S0_DQ[0:15] D1V8 D1V8 U401A R492 S0 Memory I/F S0_A[0:12] C442 100R 1/10W 1% S0_DQ15 S0_A13 0.1uF/16V S0_DQ15 S0_A13 S0_DQ14 S0_A12 S0_A0 S0_VREF S0_VREF S0_DQ14 S0_A12 VREF S0_DQ13 S0_A11 S0_A1 S0_DQ13 S0_A11 S0_DQ12...
  • Page 37 32″LCD TV Haier HL32D1 10) LVDS I/F CN404 D3V3 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 AF24 L402 NC/90 ohm LVDS_D3O_N LVDS_D3O_P LVDS_CE_P GND48 GND49 AE24 LVDS_CKE_N...
  • Page 38 32″LCD TV Haier HL32D1 11) Audio Inputs U401E CN601 Audio IN FB601 0R05 1/10W 5% R601 10K 1/10W 5% AV1_Audio_L AV1_Audio_L C601 2.2uF/25V LINE_IN1_L Audio FB602 0R05 1/10W 5% R603 10K 1/10W 5% AV1_Audio_R AV1_Audio_R C602 2.2uF/25V LINE_IN1_R C604 C605...
  • Page 39 32″LCD TV Haier HL32D1 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%...

  • Page 40: Audio Output

    32″LCD TV Haier HL32D1 13) Earphone/AV Outputs VCC5D 5V_HP R675 D605 C619 C661 RB160M-60TE25 0.1uF/16V 470uF/10V D3V3 EarPhone EarP_L EarP_R Output U604 R676 R677 C662 20K 1/10W 5% 7K5 1/10W 5% R679 R680 AMP_LIN 7K5 1/10W 5% 20K 1/10W 5%...
  • Page 41 32″LCD TV Haier HL32D1 14) Power R740 +5VSB U706 3V3_STB 3V3_STB U702 1V8_STB FB704 SC194BMLTRT AIC1084-18PE 10K 1/10W 5% L705 NC/300 OHM 4.7uH MODE PGND From R701 100R 1/10W 5% PS_ON 73G253S 12 SY NC/PWM L706 2.2uH C701 C744 R741...

  • Page 42: Power Board

    32″LCD TV Haier HL32D1 10.2 Power Board 715T2804 4 L906 L903 300uH D902 FB904 T931 73T 174122 L R938 R939 C924 C925 L932 POWER X'FMR DIODE FMN-1106S 10A/600V TO-220 47 OHM 1/4W 47 OHM 1/4W 0.001uF 0.001uF 3.5uH BEAD 93T 52 56...

  • Page 43: Key Board

    32″LCD TV Haier HL32D1 10.3 Key Board 715G3528K01000001M SW001 VOL+ ~2.59V R001 7.5KOHM +-1% 1/10W SW002 VOL- ~2.12V R002 2.7KOHM +-1% 1/10W 3V3_STB SW003 ~1.72V R003 C001 1.8K OHM 1% 1/10W CN001 NC/0.1uF/16V SW004 ~1.29V PWR-SW FUNC_KEY R004 1K OHM 1% 1/10W...

  • Page 44: Ir Board

    32″LCD TV Haier HL32D1 10.4 IR Board 715T3107 1 LED01 LED_R CN01 LED_R LED_B 0.1uF IRRV LED_B VOUT KSM-2003TN2E IRRV CONN 14 24 EL 56T 627 14...

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