Haier LE19Z6 Service Manual

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18.5" & 21.5" 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 Menus...............................................6
2.3 Front Panel Control Knobs..................................13
2.4 How to Connect................................................15
3. Input/Output Specification.......................................17
4. Mechanical Instructions.........................................19
5. Repair Flow Chart .............................................22
6. PCB Layout ......................................................29
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
6.1 Main Board....................................................29
6.2 Power Board..................................................31
6.3 Key Board.....................................................40
6.4 IR Board.......................................................40
7. Adjustment..............................................................41
8. Block Diagram........................................................42
9. Wiring Diagram......................................................44
10. Schematic Diagram........................................47
10.1 Main Board..................................................47
10.2 Power Board.................................................58
10.3 Key Board...................................................64
10.4 IR Board.....................................................65
SAFETY NOTICE
1
Haier LE19Z6/LE22Z6
Page

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Summary of Contents for Haier LE19Z6

  • Page 1: Table Of Contents

    18.5″ & 21.5″ LCD TV Haier LE19Z6/LE22Z6 Service Service Service TABLE OF CONTENTS Description Page Description Page 6.1 Main Board………..…………………...…….…..29 Table of Contents..……........…..1 6.2 Power Board…..…………..………….…..……..31 Important Safety Notice........……..2 6.3 Key Board………………………..……..………..40 Revision List…………………………………………………3 6.4 IR Board…………………………..……….……..40 1. General Specification.........………..4 7.
  • Page 2: Important Safety Notice

    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: Revision List

    Revision List Version Release Date Revision Instructions Customer Model Model LE19Z6 E19A42NCWNH3NN Sep.09,2010 Initial release E22A42NCWNH3NN Nov.18,2010 Add new model E22A42NRWNH6NN Add new power board LE22Z6 715G4313P02000003S Update are as below: May.9,2011 Repair Flow Chart E22AA2NRWNH7NN PCB Layout Wiring Diagram...
  • Page 4: General Specification

    1. General Specification PC input function, support TV, AV(CVBS), Component(YPbPr), HDMI inputs, USB Function input, Earphone Output function. Item LE19Z6 LE22Z6 Color system: PAL/NTSC/SECAM TV function TV standard Sound system: B/G, I, D/K, M COMPONENTx1 Rear connector AVx1 Video input...
  • Page 5: Operating Instructions

    2. Operating Instructions 2.1 The Use of Remote Control...
  • Page 6: To Use The Menus

    2.2 To Use the Menus...
  • Page 13: Front Panel Control Knobs

    2.3 Front Panel Control Knobs...
  • Page 15: How To Connect

    2.4 How to Connect...
  • Page 17: Input/Output Specification

    3. Input/Output Specification 3.1 Input Signal Connector D-SUB Pin No. Description Pin No. Description Red Video No Pin Green Video Sync Ground Blue Video Serial Data for DDC Ground H. Sync Red Ground V. Sync Green Ground Serial Clock for DDC Blue Ground HDMI Pin No.
  • Page 18 3.2 Input Signal Timing Component (YPbPr) Signal Format Refresh Frequency (Hz) 480i/480p 576i/576p 720p 50/60 1080i 50/60 Analog RGB Number Resolution Refresh Frequency (Hz) 640*480 640*480 720*400 800*600 800*600 800*600 800*600 1024*768 1024*768 1024*768 1440*900 (only for LE22Z6) 1280*1024 (only for LE22Z6) 1360*768 (recommended) 1920*1080 (only for LE22Z6) HDMI...
  • Page 19: Mechanical Instructions

    4. Mechanical Instructions Step1. Remove the STAND ASS’Y and REAR COVER. LE19Z6 LE22Z6...
  • Page 20 Step2. Remove the AC COVER, HINGE BKT, MAIN BOARD, POWER BOARD and INVERTER BAORD. LE19Z6 LE22Z6...
  • Page 21 Step3. Remove the AC BKT, KEY BOARD, IR BOARD and SPEAKERS and separate PANEL and BEZEL.
  • Page 22: Repair Flow Chart

    5. Repair Flow Chart 1. No power No power (LED “Off”) Check the AC input and Power “On” the power is “ON”? Power board Replace the power board output=5.2V? Check the IR board and LED Replace the IR board Replace the main board...
  • Page 23 2. Can’t start Can’t start(LED red) Replace the power board Power board output=12/16V? 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 24 3. Abnormal Display Abnormal Display Reset the source Check the source Enter factory mode to do “EEPROM initial”&“Reset” Replace the main board Check the main board Check the LVDS cable Replace the LVDS cable Check the panel Replace the panel...
  • Page 25 4. No display No display (LED white) 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 LVDS cable Replace main board...
  • Page 26 5. 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? Enter factory mode to do “Reset”...
  • Page 27 6. Remote control malfunction Remote Control malfunction Check the remote control battery is Replace the battery not properly placed or no power? Use the other remote controls Replace the remote control Whether the IR board is Replace the IR board abnormal? Replace the main board...
  • Page 28 7. OSD is unstable or can’t work normally OSD is unstable or can’t work normally Reconnect the key board Key board connected properly? Replace the button function Buttons are OK? Replace the key board Key board is OK? Enter factory mode to do “Reset” Replace the main board...
  • Page 29: Pcb Layout

    6. PCB Layout 6.1 Main Board 715G4089M01000004L...
  • Page 31: Power Board

    6.2 Power Board LE19Z6 715G3762P01W31002M...
  • Page 34 LE22Z6 715G4147P01H21002S...
  • Page 37 LE22Z6 715G4313P02000003S...
  • Page 40: Key Board

    6.3 Key Board 715G4200K0C000004S 6.4 IR Board 715G4104R01000004S...
  • Page 41: Adjustment

    7. Adjustment It’s no need to adjust the white balance for this model. 1. Enter into the factory mode: Turn on the TV, press MENU key with remote control, then press number key 1 9. It will achieve the factory mode. 2.
  • Page 42: Block Diagram

    8. Block Diagram...
  • Page 44: Wiring Diagram

    9. Wiring Diagram LE19Z6 Panel FFC Cable 13 Pin 4 Pin CN602 CN7102 30 Pin CN5201 MT8222AHMU/B Board U4201 Scaler IC CN902 Power Board CN5401 CN0101 CN903 6 Pin IR Board Speaker R/L CN201...
  • Page 45 LE22Z6 Power Board: 715G4147P01H21002S Panel FFC Cable 4 Pin 13 Pin CN602 CN7102 30 Pin CN5201 MT8222AHMU/B Board U4201 Scaler IC Power Board CN901 CN5401 CN0101 CN904 6 Pin IR Board Speaker R/L CN201...
  • Page 46 LE22Z6 Power Board: 715G4313P02000003S Panel Harness: 095G801313X670 Harness: 095G8018-3XJ91 To Panel 4 Pin 13 Pin CN602 CN7102 30 Pin CN5201 MT8222AHMU/B CN906 Board U4201 Scaler IC Power Board CN902 CN5401 CN0101 CN901 6 Pin IR Board Speaker R/L CN201...
  • Page 47: Schematic Diagram

    10. Schematic Diagram 10.1 Main Board 715G4089M01000004L 04) D-SUB Input R1113 VGA_5V_S +5V_STBY VGA_5V R1110 D1708 NC/100OHM1/16W NC/100OHM1/16W DDCSDA VGA_SDA R1104 R1103 BAT54C DDCSCL VGA_SCL VGA_5V_S 4.7K1/16W 4.7K1/16W R1000 C1000 220N 25V 4.7K 1/16W U100 M24C02-WMN6TP R5423 NC/100OHM1/16W U0RX 13 R1112 100OHM1/16W R5421 100OHM1/16W...
  • Page 48 05) Rear I/O CLOSE TO IC NC/JACK FB1407 NC/120R/500mA R1201 C1201 NC/10N 50V COMP1_Y _IN NC/68OHM 1/16W C1233 47N 16V R1232 FB1408 CVBS1_IN NC/120R/500mA 100OHM1/16W R1202 C1202 NC/10N 50V COMP1_PB_IN 13 NC/68OHM 1/16W C1234 R1223 R1203 C1203 NC/10N 50V 47pF 50V 75R 1/16W 1% COMP1_PR_IN 13 FB1409...
  • Page 49 06) Side Input Close to IC R1407 C1408 47N 16V SIDE_CVBS_IN 13 100OHM1/16W R1408 JACK 75R 1/16W 1% C1403 47pF 50V CN1401 ZD105 MLVG0402 R1409 SIDE_CVBS_AUL_IN 18 6.2K 1/16W R1410 C1415 20K 1/16W C1414 330pF 50V 330pF 50V R1414 SIDE_CVBS_AUR_IN 18 6.2K 1/16W R1416 C1416...
  • Page 50 07) Tuner 5V for Tuner +5VT M40CTP-2PN-E U159 R1601 G965-25ADJPIUF +5VT TU_AS TU_AS +5V_ON TU_SDA +5VT TU_SCL R1606 TU_SIF 0R05 OHM IF_SOUND +5VT 2.2 OHM 1/10W FB151 C1602 R739 Close to IC 100N 16V 220R/2000mA AUDIO OUT TU_CVBS TU_CVBS R1609 C1610 47nF 50V R172...
  • Page 51 08) HDMI Intput HDMI1_5V D1706 +5V_STBY HDMI1_HPD CN1701 HDMI R1701 470KOHM 5% 1/16W BAT54C R1703 HP DET 1K 1/16W R1706 HDMI1_5V 1K 1/10W R1707 10OHM1/16W +5V_STBY HDMI1_DDC_SDA 11,13 DDC DATA R1708 10OHM1/16W R1705 HDMI1_DDC_SCL 11,13 DDC CLK R1704 47K 1/16W C1001 220N 25V CE Remote...
  • Page 52 09) MTK8222 +3V3 GPIO_0 Serial Flash IF LVDS INTERFACE PANEL_PWR_CTL LED2_ON 12,17 GPIO_1 ODSEL GPIO_2 LED1_STBY SPI_SCK +3V3 R4250 HDMI1_HPD_CTL SPISCK STANDBY 12,21 RXO0- GPIO_3 SPI_SI R4215 R4214 100R 1/16W 5% HDMI2_HPD_CTL SPI_SI FLASH_WR# RXO0+ GPIO_4 SPI_SO 10K1/16W HDMI3_HPD_CTL 5V_PWR_SW 12,21 SPI_SO FB7119 RXO1-...
  • Page 53 10) DDR2 Memory & E2PROM & Flash DDRV RDQ[15..0] MEM_DQ0 RDQ0 U4106 MEM_DQ1 RDQ1 MEM_DQ2 RDQ2 MEM_DQ3 RDQ3 MEM_RA0 MEM_VREF VREF MEM_RA1 C4110 MEM_DQ4 RDQ4 MEM_RA2 MEM_DQ5 RDQ5 100N 16V MEM_RA3 MEM_DQ6 MEM_DQ6 RDQ6 MEM_RA4 MEM_DQ2 MEM_DQ7 RDQ7 MEM_RA5 MEM_DQ4 MEM_RA6 MEM_DQ0 MEM_RA7...
  • Page 54 11) Key IR BD & Panel I/F For KEY & IR LIGHT_SENSOR CN5205 DC_ON_OFF R5401 DC_ON_OFF CONN R5402 KEY 2 R5404 12,13 KEY 1 R444 0R05 OHM R443 4.7 OHM +-5% 1/16W R441 3.3K +-1% 1/10W 4.7 OHM +-5% 1/16W C5401 3.3K +-1% 1/10W CONN...
  • Page 55 12) Audio SW & Earphone OP +5V_ON R6101 2.2KOHM +-1% 1/16W +5V_ON C6102 1uF 25V R6114 PC_AUL_IN 1uF 25V 470KOHM 5% 1/16W C6113 R6168 C6101 R6103 R6102 CVBS1_IN_AUL_IN 470KOHM 5% 1/16W 2.2KOHM +-1% 1/16W 2.2KOHM +-1% 1/16W C6104 1uF 25V R6119 1UF16V R6122...
  • Page 56 13) Audio/AMP FB7116 FB7117 120R/6000mA ZD600 RLZ11B MUTE5V C635 C636 R610 0.1uF 50V SH600 330uF 35V C637 SGND 100NF 25V R616 SGND 10K+-5%1/16W SGND STBY SGND L600 C640 R613 Q601 22uH 330uF 35V AMP_EN PMBS3904 C639 C638 1K 1/10W R619 SGND 0.1uF 50V C641...
  • Page 57 14) DC-DC Power +5V_ON +5V_STBY +5V_ON R7121 1K 1/10W R7103 D7101 DDRV +5V_STBY 47K +-5% 1/10W S1D-E3 FB7102 U7102 R7147 Q7101 R7145 INVERTER_ON_OFF 13 VOUT 2K 1/10W PMBS3904 120R/6000mA FB7115 FB7114 CN7102 C7102 C7104 120R/6000mA 100N 50V 470OHM +-5% 1/10W C7103 NC/120R/6000mA 100uF 16V...
  • Page 58: Power Board

    10.2 Power Board LE19Z6 715G3762P01W31002M R911 220 OHM 1/4W C901 R901 220 OHM 1/4W T901 1N 500V POWER X'FMR Coil C9 49 R902 L901 0.001uF/1KV 220 OHM 1/4W +16V R90 3 R90 4 BD901 KBP208G 51K 1/4W 51K 1/4W R907...
  • Page 59 +16V LED1 LED2 LED3 LED4 LED5 LED6 LED7 LED8 C934 L904 1U25V 100UH 42.9V C941 270UF 25V D913 1N4148-B4006 D914 B360B D907 D903 D904 D905 1N4148-B4006 D921 C950 1N4148-B4006 1N4148-B4006 1N4148-B4006 1N4148-B4006 C936 IC904 470PF 1KV D906 D920 470NF 25V RT8482GS C932 1N4148-B4006...
  • Page 60 LE22Z6 715G4147P01H21002S R9 01 C901 1 0 0 O HM 1 /4W R9 02 1 0 0 O HM 1 /4W 1N 500V Coil T901 R9 03 L901 POWER X''FMR 1 0 0 O HM 1 /4W +12V BD901 R90 4 R9 05 D901 C9 4 4...
  • Page 61 +12V C927 L904 100N 50V C929 100UH IC904 C928 47UF 35V 42.9V RT8482GS 330UF 35V D906 B360B GBIAS GATE FB901 R987 GATE BEAD JUMPER C931 C932 C933 120UF 63V 120UF 63V R927 R928 R929 470NF 25V 20K 1/4W 20K 1/4W 20K 1/4W C934 Q902...
  • Page 62 LE22Z6 715G4313P02000003S R90 1 C901 10 0 O HM 1/4W R90 2 10 0 O HM 1/4W T901 R90 3 1N 500V 10 0 O HM 1/4W Coil POWER X''FMR L901 R96 5 10 0 O HM 1/4W +16V BD901 R90 4 R9 05 KBP208GL...
  • Page 63 +16V L904 C927 C929 100UH IC904 100N 50V C928 47UF 35V RT8482GS 330UF 35V D906 GBIAS GATE FB901 R987 GATE BEAD B3100B C932 13K 1/6W Q902 C931 82UF 100V C933 AO4454L R927 R928 R929 CN906 470NF 25V C934 R930 DCTL 100N 50V ACTL R933...
  • Page 64: Key Board

    10.3 Key Board 715G4200K0C000004S SW0107 POWER 77G 607 2 FD C0103 100nF 50V SW0103 R0103 8.2K +-1% 1/8W 77G 607 2 FD SW0104 VOL+ R0104 470 OHM +-1% 1/8W 77G 607 2 FD CN0101 SW0105 VOL- R0105 KEY 2 KEY 1 220 OHM 1/8W +-5% 77G 607 2 FD CONN...
  • Page 65: Ir Board

    10.4 IR Board 715G4104R01000004S CN201 CONN U201 IRRV VOUT R201 15K 1/10W C201 KSM-603TM2M 56G 627911 100N16V 33G8032 3F HR...

This manual is also suitable for:

Le22z6

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