Haier HL55XZK22, Service Manual

Page 1: ...vice a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death Haier Group 2010 Qingdao Haier Electronics Co Ltd All rights reserved Unauthorized copying and distribution is a violation of ...

Page 2: ...7 Ordering Spare Parts 6 1 3 8 Photo used in this manual 6 1 4 How to Read this Service Manual 6 1 4 1 Using icons 6 KDSWHU 6SHFL FDWLRQ 8 6SHFL FDWLRQ LVW 8 2 2 External Pictures four faces 9 Chapter 3 Disassemble and Assemble 11 3 1 Remove the Stand 11 3 2 Remove the Back Cover 11 3 4 Remove the Terminal Bracket 11 3 5 Remove the Power Supply Module 12 3 6 Remove the Mainboard 12 3 8 Remove the ...

Page 3: ...Panel Controls 27 6 3 Setting Up Your Remote Control 28 Chapter 7 Electrical Parts 29 7 1 Block Diagram 29 7 2 Circuit Diagram 30 7 3 Wiring Connection Diagram 47 Chapter 8 Measurements and Adjustments 48 8 1 Service Mode 48 8 1 1 How to enter into Service Mode 48 8 1 2 How to exit 48 8 2 Measurements and Adjustments 48 8 2 1 Version S N Panel Resoution 48 8 2 2 Video 49 8 2 3 Audio 50 8 2 4 Chann...

Page 4: ...tant thing is to list up the potential hazard or risk for the service personnel to open the units and disassemble the units For example we need to describe properly how to avoid the possibility to get electrical shock from the live power supply or charged electrical parts even the power is off This symbol indicates that high voltage is present inside It is dangerous to make any king of contact wit...

Page 5: ...test 2 After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent electrostatic charge buildup or exposure of the assembly 1 3 4 About lead free solder PbF This product is manufactured using lead free solder as a part of a movement within the consumer products industry at large to be environmentally responsible Lead fr...

Page 6: ...hol 90 99 strength CAUTION This is a flammable mixture Unless specified otherwise in this service manual lubrication of contacts is not required Capacitors may result in an explosion hazard 5 Do not defeat any plug socket B voltage interlocks with which receivers covered by this service manual might be equipped 6 Do not apply AC power to this instrument and or any of its electrical assemblies unless...

Page 7: ...Minimize bodily motions when handling unpackaged replacement ES devices Otherwise harmless motion such as the brushing together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity sufficient to damage an ES device 1 3 7 Ordering Spare Parts Please include the following informations when you order parts Particularly the Version letter 1 Model numbe...

Page 8: ...ipulation may damage equipment loose data get an unexpected result or has to restart part of a procedure Warning A warning is used when there is danger of personal injury Reference A reference guides the reader to other places in this binder or in this manual where he she will find additional information on a specific topic ...

Page 9: ...nnels 181 OSD Language English French Spanish Color System NTSC Audio System M BG I L L Audio Output Power Built in W 10W 2 Audio Output Power outer W No Total Power Input W 280W Voltage Range V AC120V Power Frequency Hz 60Hz Time of Sleep Timer MINS 120Min Net Weight KG 39 Gross Weight KG 52 Net Dimension MM 1328x365x895 Packaged Dimension MM 1455x405x1005 Chapter 2 Specification 2 1 Specification ...

Page 10: ...Service Manual Model No HL55XZK22a 9 2 2 External pictures four faces Front Side Left Side ...

Page 11: ...Service Manual Model No HL55XZK22a 10 Right Side Back Side ...

Page 12: ...are indicated with the circles in the picture above 3 Remove the stand 3 2 Remove the Back Cover 1 Remove the thirteen screws indicated See picture right 2 Then remove the back cover from the unit 3 3 Remove the Adhesive Tape The location of the adhesive tape is shown below Remove the two screws indicated by the red circles in the picture See next page Service Manual Model No HL55XZK22a 11 ...

Page 13: ...icated by the rred circles in below picture 3 7 Remove the Keypad Board Disconnected the coupler CN1 CN2 CN3 CN4 CN5 CN7 J25 Remove the Mainboard 3 8 Remove the Speaker Remove the four screws indicated by the red circles in below picture Take out the speakers 3 9 Remove the Remote Control Board Remove the two screws indicated by the red circles in below picture Take out the remote control board Se...

Page 14: ...tion of Controls and Components 4 1 Board Location No Parts number Description A Board DC1BG0E0100M Main Board 0090723952 B Board 0094001514A Power Board 4 2 Main Board AV Board Service Manual Model No HL55XZK22a 13 ...

Page 15: ...Pin 2 Backlight on off The system can turn on or turn off the backlight of TFT LCD Panel through the power supply unit path CNA1 Pin 7 System power on standby System board will use this pin to control system power CN1 Pin 1 Control the luminance of backlight The system can generate the PWN signal to control the strength of TFT LCD Panel s backlight through this connector CNE1 CNE2 Pin number Signa...

Page 16: ...CON2 Pin number Signal name 1 24V 2 24V 3 GND 4 GND Speaker Connector CON1 Pin number Signal name 1 L 2 L 3 R 4 R Other connectors CNB2 to Upgrade the program of MTK5380L U13 AND FLASH U17 Service Manual Model No HL55XZK22a 15 ...

Page 17: ... for Mainboard Panel 4 3 2 Connector definition INPUT CONNECTOR CN2 CN2 Signal name 1 24V 24V 5 24V 6 GND GND 10 GND 4 4 LCD Panel CN6 Signal name 1 24V 2 24V 3 GND 4 GND CN4 Signal name 1 GND 2 GND 3 5VSB 4 GND 5 GND 6 12V 7 12V Service Manual Model No HL55XZK22a 16 ...

Page 18: ... Ground GND Ground Rx1 A N 1st 5th LVDS Signal Rx3 D N 3rd 7th LVDS Signal Rx1 A P 1st 5th LVDS Signal Rx3 D P 3rd 7th LVDS Signal Rx1 B N 1st 5th LVDS Signal Rx3 E N 3rd 7th LVDS Signal Rx1 B P 1st 5th LVDS Signal Rx3 E P 3rd 7th LVDS Signal Rx1 C N 1st 5th LVDS Signal GND Ground Rx1 C P 1st 5th LVDS Signal NC NOTE GND Ground NC Rx1CLK 1st 5th LVDS Clock Rx1CLK 1st 5th LVDS Clock GND Ground Rx1 D...

Page 19: ...th LVDS Signal Rx2 B N 2nd 6th LVDS Signal Rx4 E N 4th 8th LVDS Signal Rx2 B P 2nd 6th LVDS Signal Rx4 E P 4th 8th LVDS Signal Rx2 C N 2nd 6th LVDS Signal GND Ground Rx2 C P 2nd 6th LVDS Signal NC NOTE1 GND Ground NC Rx2CLK 2nd 6th LVDS Clock NC Rx2CLK 2nd 6th LVDS Clock NC GND Ground NC Rx2 D N 2nd 6th LVDS Signal LVDS_SEL NOTE2 Rx2 D P 2nd 6th LVDS Signal NC NOTE1 Rx2 E N 2nd 6th LVDS Signal NC ...

Page 20: ...No 41 PCB Fig Connector diagram 1 41 1 41 a Power GND pins should be connected to the LCD s metal chassis b All power input pins should be connected together c All NC pin should be separated from other signal or power Pin No 1 Pin No 51 1 51 1 51 CN1 CN2 ...

Page 21: ...ngs Apartments Connect to wall antenna socket Wall Antenna Socket RF Coaxial Wire 75 ohm Single family Dwellings Houses Connect to wall jack for outdoor antenna Outdoor Antenna To improve the picture quality in a poor signal area please purchase a signal amplifier and install properly If the antenna needs to be split for two TV s install a 2 Way Signal Splitter in the connections To install the an...

Page 22: ...ER button to confirm Operate the corresponding external equipment D Component Setup How to connect Connect the DVD video outputs COMPONENT to the Y Pb Pr jacks on the TV and connect the DVD audio outputs to the YPbPr Audio IN jacks on the TV as shown in the figure Back of VCR Back of TV Video yellow Audio left white Audio right red AV2 IN Connection Option 1 Set VCR output switch to channel 3 or 4...

Page 23: ...io connections How to use Turn on the digital set top box Refer to the owner s A manual for the digital set top box Use INPUT on the remote control to select B COMPONENT VGA or HDMI source Signal COMPONENT HDMI 480 i Yes Yes 480 p Yes Yes 720 p Yes Yes 1080 i Yes Yes 1080 p Yes Yes Connecting a digital audio output Send the TV s audio to external audio equipment stereo system via the Digital Audio...

Page 24: ...TV s screen R for a long period of time The fixed image may become permanently imprinted on the screen The synchronization input form for Horizontal and R Vertical frequencies is separate Resolution Y Mode Resolution Frame frequency Hz VGA 640s480 60 Hz SVGA 800s600 60 Hz 75 Hz XGA 1024s768 60 Hz 75 Hz HDMI and DVI input When the source device Blu Ray player DVD player or Set Top Box supports HDMI...

Page 25: ...earing Power source TO USE AC POWER SOURCE Use the AC polarized line cord provided for q operation on AC Insert the AC cord plug into a standard polarized AC outlet Note Never connect the AC line cord plug to other than R the specified voltage Use the attached power cord only If the polarized AC cord does not fit into a non R polarized AC outlet do not attempt to file or cut the blade It is the us...

Page 26: ...veasleft rightbuttons 4 CH Press to scan through channels To scan quickly through channels press and hold down either In the MENU screen these buttons serve as up down buttons 5 POWER Press to turn on and off theTV 6 USB input ConnectaUSBflashdrivetoviewMPEG2videos JPEGimagesorlistentoMP3songs 7 Av1 AUDIO IN Connect the audio L R cables from the video signal source to these jacks 8 AV1VIDEO IN Con...

Page 27: ... device to receive digital audio and uncompressed digital video 4 PC DVI Audio In Connect the audio L R cables from a computer to this jack 5 PC Video In Connect a video cable from a computer to this jack 6 VIDEO In Connects the video signal from a video device 7 Component Video In Connect a component video device to these jacks 8 AUDIO In Connect the audio L R cables from the video signal source ...

Page 28: ...isplay the guide when you are watching analog or digital channels D CCD closed caption Select a closed caption E HDMI Press to select a device connected to the HDMI input F PC Press to select the computer connected to theVGA input G Number buttons Press to change a channel H t CVUUPO Press to select digital channels For example to enter 54 3 QSFTT i w itw BOE i w I RECALL Press to jump back and fo...

Page 29: ...Chapter 7 Electrical Parts 7 1 Block Diagram Service Manual Model No HL55XZK22a 29 ...

Page 30: ...1uF SPC9 1uF R88 100K R88 100K SPC21 NS 1uF SPC21 NS 1uF C15 0 1uF C15 0 1uF SPC3 47uF 16v SPC3 47uF 16v SPR3 180_1 R0603 SMD SPR3 180_1 R0603 SMD L5 15uH 3A LCB1212 L5 15uH 3A LCB1212 1 2 SPC10 0 1uF SPC10 0 1uF C22 0 1uF C22 0 1uF SPU4 AX1117EJ adj SPU4 AX1117EJ adj GND 1 OUT 2 IN 3 SPC2 NS 0 1uF SPC2 NS 0 1uF SPU1 G1117 adj SPU1 G1117 adj ADJ GND 1 OUT 2 IN 3 SPC17 47uF 16v NC SPC17 47uF 16v NC...

Page 31: ...5 1K_1 R0603 SMD AR264 5 1K_1 R0603 SMD ACB442 0 1uF ACB442 0 1uF AU61 AX1212 AP1122 AU61 AX1212 AP1122 GND 1 OUT 2 IN 3 AC222 0 1uF AC222 0 1uF AR1830 0 AR1830 0 AC226 10uF 10v AC226 10uF 10v AR265 2 2K AR265 2 2K AFB86 80 R 100mHz AFB86 80 R 100mHz AL28 15uH 3A AL28 15uH 3A 1 2 AC224 10nF AC224 10nF AR1867 100K AR1867 100K AFB87 80 R 100mHz AFB87 80 R 100mHz AFB75 80 R 100mHz AFB75 80 R 100mHz A...

Page 32: ... AC290 0 47uF NC AC290 0 47uF NC ACE645 100uF 10v NC ACE645 100uF 10v NC AC997 30pF AC997 30pF AQ1 2N3904 NC AQ1 2N3904 NC 1 3 2 AC1001 4 7uF 10V AC1001 4 7uF 10V AC1035 0 1uF AC1035 0 1uF AFB77 0603_Bead AFB77 0603_Bead AR1844 100 AR1844 100 ACE634 100uF 10V ACE634 100uF 10V AJ30 4x1 W HOUSING AJ30 4x1 W HOUSING 1 2 3 4 AC1039 0 1uF AC1039 0 1uF ATP25 ATP25 AC998 4 7uF 10V AC998 4 7uF 10V ACB624 ...

Page 33: ... OPWM2 6 AVDD33_HDMI 8 AOLRCK AOBCK AOMCLK AOSDATA0 ADIN1 6 ADIN0 6 AIN0_L AIN0_R CVBS0P 9 OPWR0_5V 8 HPD_SINK 8 LVDS_CTRL2 Title Size Document Number Rev Date Sheet of MediaTek Inc TEL 03 567 0766 FAX 03 578 7610 No 1 2 Innovation Rd 1 SBIP Hsin Chu City 300 Drawn MT5305A P1V1 V1 C 4 15 Wednesday October 14 2009 MT5305A MediaTek Confidential Title Size Document Number Rev Date Sheet of MediaTek I...

Page 34: ...2 VDDQ G7 DQ0 G8 VDDQ G9 DQ4 H1 VSSQ H2 DQ3 H3 DQ2 H7 VSSQ H8 DQ5 H9 VDDL J1 VREF J2 VSS J3 VSSDL J7 CK J8 VDD J9 CKE K2 WE K3 RAS K7 CK K8 ODT K9 NC BA2 L1 BA0 L2 BA1 L3 CAS L7 CS L8 A10 AP M2 A1 M3 A2 M7 A0 M8 VDD M9 VSS N1 A3 N2 A5 N3 A6 N7 A4 N8 A7 P2 A9 P3 A11 P7 A8 P8 VSS P9 VDD R1 A12 R2 NC A14 R3 NC N15 R7 NC A13 R8 VDDQ G3 ACD129 0 01uF ACD129 0 01uF ACD133 0 1uF ACD133 0 1uF ARND9 56x4 A...

Page 35: ... 0 1uF CD30 NS 0 1uF CD30 NS 0 1uF RD26 1K_1 RD26 1K_1 RD19 56 RD19 56 CD3 NS 0 1uF CD3 NS 0 1uF CD31 0 1uF CD31 0 1uF CD25 0 1uF CD25 0 1uF CD12 1uF CD12 1uF CD32 4 7uF 10V CD32 4 7uF 10V RD18 1K_1 RD18 1K_1 CM22 0 1uF CM22 0 1uF CD14 0 1uF CD14 0 1uF CD24 0 1uF CD24 0 1uF CD1 0 1uF CD1 0 1uF RND7 56x4 RND7 56x4 1 2 3 4 5 6 7 8 CD29 0 1uF CD29 0 1uF CM21 0 1uF CM21 0 1uF RD14 22 RD14 22 RND8 56x4...

Page 36: ...AOCKN G18 AECKN G19 AECKP G20 AO3P H17 AO3N H18 AE3N H19 AE3P H20 AO4P J17 AO4N J18 AE4N J19 AE4P J20 BE0N M17 BE0P M18 BO0P M19 BO0N M20 BE1N N17 BE1P N18 BO1P N19 BO1N N20 BE2N P17 BE2P P18 BO2P P19 BO2N P20 BECKN R17 BECKP R18 BOCKP R19 BOCKN R20 BE3N T17 BE3P T18 BO3P T19 BO3N T20 BE4N U17 BE4P U18 BO4P U19 BO4N U20 AVSS33_LVDSA H16 AVSS33_LVDSA J16 AVDD33_LVDSA K17 AVDD33_LVDSA K18 TP_VPLL K2...

Page 37: ...774 100 Q63 2N3904 Q63 2N3904 1 3 2 CNA2 USB_H CNA2 USB_H __VBUS 1 __D 2 __D 3 __GND 4 GND 5 GND 6 YR6 100 YR6 100 R1770 10K R1770 10K FM1 FM1 CNB2 PH3 4A NC CNB2 PH3 4A NC 1 2 3 4 D2 ESD_0402_10pF D2 ESD_0402_10pF 1 2 YU1 EEPROM 24C32 W YU1 EEPROM 24C32 W NC 1 NC 2 NC 3 GND 4 SDA 5 SCL 6 WP 7 VCC 8 R1776 4 7K R1776 4 7K FM2 FM2 R15 4 7K R15 4 7K D36 ESD_0402_0 15pF D36 ESD_0402_0 15pF 1 2 H5 HOLE...

Page 38: ...SBIP Hsin Chu City 300 Drawn MT5305A P1V1 V1 C 7 15 Wednesday October 14 2009 FLASH TRAP BYPASS FCI MediaTek Confidential Title Size Document Number Rev Date Sheet of MediaTek Inc TEL 03 567 0766 FAX 03 578 7610 No 1 2 Innovation Rd 1 SBIP Hsin Chu City 300 Drawn MT5305A P1V1 V1 C 7 15 Wednesday October 14 2009 FLASH TRAP BYPASS FCI MediaTek Confidential By Ray Serial Flash Dual Layout 8MB default...

Page 39: ... D64 ESD_0402_0 15pF 1 2 D117 ESD_0402_10pF D117 ESD_0402_10pF 1 2 CN10 HDMI_con CN10 HDMI_con SHELL1 20 SHELL2 21 D2 1 D2 Shield 2 D2 3 D1 4 D1 Shield 5 D1 6 D0 7 D0 Shield 8 D0 9 CK 10 CK Shield 11 CK 12 CEC 13 NC 14 DDC CLK 15 DDC DATA 16 GND 17 5V 18 HP DET 19 SHELL3 22 SHELL4 23 R16 100 R16 100 R2002 27K NC R2002 27K NC R1793 0 R1793 0 D91 ESD_0402_10pF D91 ESD_0402_10pF 1 2 D48 ESD_0402_0 15...

Page 40: ...D_0402_10pF D57 ESD_0402_10pF 1 2 VP1 D SUB15 FEMALE VP1 D SUB15 FEMALE 16 17 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 D59 D59 1 2 VC2 10nF VC2 10nF QF6 2N7002 QF6 2N7002 1 3 2 VR18 10K VR18 10K VR4 0 VR4 0 VR22 47K VR22 47K VC4 10nF VC4 10nF BC18 15pF BC18 15pF VR26 10K VR26 10K GR4 0 GR4 0 D58 ESD_0402_10pF D58 ESD_0402_10pF 1 2 VR12 0 VR12 0 VR9 10K VR9 10K OC14 560pF OC14 560pF OC19 560pF OC19 560p...

Page 41: ... 47uF 16v CE645 47uF 16v CE629 47uF 16v CE629 47uF 16v R1781 4 7K R1781 4 7K C647 1000pF C647 1000pF L147 FB L147 FB EC2 100pF NC EC2 100pF NC Q60 2N3904 Q60 2N3904 1 3 2 R1730 10K R1730 10K EC16 100uF 16v EC16 100uF 16v CE642 47uF 16v CE642 47uF 16v C645 100pF C645 100pF C11 10uF 16v C11 10uF 16v R1799 10K R1799 10K EC14 NS 470pF EC14 NS 470pF C749 0 1uF C749 0 1uF R1762 0 15K R1762 0 15K C643 10...

Page 42: ...M 10 PLL_FLTP 11 VR_ANA 12 AVDD 13 FAULT 14 OSC_RES 16 DVSSO 17 VR_DIG 18 PDN 19 LRCLK 20 SCLK 21 SCL 24 RESET 25 STEST 26 DVDD 27 DVSS 28 PVCC_D 29 PVCC_D 30 PGND_D 31 OUT_C 36 OUT_D 33 PGND_C 34 PGND_C 35 PGND_D 32 PVCC_C 37 BST_C 38 VCLAMP_CD 39 BST_D 40 BYPASS 41 AGND 42 AVCC 43 HIZ 44 BST_A 45 VCLAMP_AB 46 BST_B 47 PVCC_B 48 MCLK 15 SDA 23 SDIN 22 PGND 49 PGND 50 PGND 51 PGND 52 PGND 53 PGND ...

Page 43: ... P1V1 V1 C 12 15 Wednesday October 14 2009 LVDS BACKLIGHT MediaTek Confidential Title Size Document Number Rev Date Sheet of MediaTek Inc TEL 03 567 0766 FAX 03 578 7610 No 1 2 Innovation Rd 1 SBIP Hsin Chu City 300 Drawn MT5305A P1V1 V1 C 12 15 Wednesday October 14 2009 LVDS BACKLIGHT MediaTek Confidential Title Size Document Number Rev Date Sheet of MediaTek Inc TEL 03 567 0766 FAX 03 578 7610 N...

Page 44: ...R IC NEAR IC NEAR IC TUNER POWER 5V_TUNER Near Tuner Near Tuner Near IC 20090612 20090612 POWER SUPPLY 5V FOR TUNER muRata LQM18NNR22K00 LQM18NNR39K00 Near Tuner Near MT538X Use muRata Inductor and TDK Capacitor ZC9 47uF 16v ZC9 47uF 16v ZC6 33pF ZC6 33pF L158 330nH L158 330nH ZC50 0 1uF ZC50 0 1uF ZR15 0 ZR15 0 ZFB13 NC 0603 ZFB13 NC 0603 L153220nH L153220nH C801 33pF C801 33pF C806 10nF C806 10n...

Page 45: ... TEL 03 567 0766 FAX 03 578 7610 No 1 2 Innovation Rd 1 SBIP Hsin Chu City 300 Drawn MT5305A P1V1 V1 C 14 15 Wednesday October 14 2009 BACK LIGHT MAIN POWER MediaTek Confidential LO POWER_ON HI STANDBY By Ray 5V MAIN POWER shielding of 20 mil GND 0 925 x 1 Rup Rdn 5 04V MAIN POWER 5V 12V䕧ܹ invertor ষ CE649 100uF 16V CE649 100uF 16V D3 B340 NC D3 B340 NC Q3 2N3904 Q3 2N3904 1 3 2 C4 10nF C4 10nF CP...

Page 46: ...in Chu City 300 Drawn MT5305A P1V1 V1 C 15 15 Wednesday October 14 2009 DVD YPbPr2 S_video Input MediaTek Confidential NO Inner DVD L R INPUT Hi No disk load Hi Lo Hi Disk loaded YPBPR RL 2 INPUT NEARLY IC NEARLY YPBPR CON Connected to connector GND NO SV LR INPUT NEARLY CONNECTOR BD1 ESD_0402_10pF BD1 ESD_0402_10pF 1 2 BC11 15pF BC11 15pF OC23 560pF OC23 560pF BC5 15pF BC5 15pF BC3 1 5nF BC3 1 5n...

Page 47: ...VDS Wire LVDS Wire Connection Wire 12V 5V Remote Control Board Assembly CND3 CND4 CND5 CNE2 JP1 PD801 CNM801 CN2 CN1 Power Cord 0090401964 Connection Wire 12V 5V LVDS Wire LVDS Wire Speaker Wire Connection Wire Control Connection Wire Remote J D 0090402848A 0090403469 CNA1 CON2 CNE2 CNE1 0090401752D 8 8 0090403399E 1 Connection Wire 24V Connection Wire 24V ...

Page 48: ...ill be into the factory mode menu when 3 steps above are done 8 1 2 How to exit If you want to exit this factory menu please press the button Exit on the remote 8 2 Measurements and Adjustments 8 2 1 Version S N Panel Resoution Version info The first item is the Model Name and the second one is current software version See picture on the next page Service Manual Model No HL55XZK22a 47 ...

Page 49: ...e VGA and Component model When we found the color in the two models was abnormal Then we can use the function to adjust it automatically Color Temperature The function could adjust the Color Temperature used when debugging Service Manual Model No HL55XZK22a 48 ...

Page 50: ...V S Video YPbPr VGA Compression Factor Compression state Downmix output model MTS System used when debugging The parameters only used when GHEXJJLQJ QR QHHG WR EH PRGL HG 8 2 4 Channel Range Scan The function could make it to search the channels by differentiation the analog and digital channels Service Manual Model No HL55XZK22a 49 ...

Page 51: ...Q DGYDQFH Factory Scan According to ANTENNA ANALOG ANTENNA DIGITAL CABLE ANALOG CABLE DIGITAL to search channels used only in project debugging Tuner Diagnostic Project debugging setting used to inspect the audio function Service Manual Model No HL55XZK22a 50 ...

Page 52: ...8 2 5 Gamma Gamma Bright GAMMA0 8 Middle default settings in the program Dark GAMMA1 2 8 2 6 Backlight Backlight adjust the backlight Service Manual Model No HL55XZK22a 51 ...

Page 53: ... is for factory run in testing The screen would display red green blue and black screen repeatedly Each color screen could be exam at that time Clean Storage The function could make the model turn back to the factory default setting Service Manual Model No HL55XZK22a 52 ...

Page 54: ...Remark The date of the chart only is an example please don t adjust the factory mode base on it Service Manual Model No HL55XZK22a 53 ...

Page 55: ...ify if correct channel is selected Adjust the antenna Make adjustments by Fine Tune and MANUAL Scan No color for some channel program black and white Verify if the same problem exists in other channels check out of picture and sound system Refer to relative instructions in the Manual for color adjust Spots with some or all pictures Verify if the antennal is correctly connected Verify if the antenn...

Page 56: ...9 2 Power Supply Board Failure Check Service Manual Model No HL55XZK22a 55 ...

Page 57: ...put Re soldering or change IC U13 Check the input output Re soldering or change IC U55 Check the input output Re soldering or change IC U2 Check the Speaker Change the Speaker Check the Sperker wire Fail Pass Fail Fail Fail Fail Pass Pass Pass Pass Service Manual Model No HL55XZK22a 56 ...

Page 58: ...unken TCP lead cracking ACF bonding short Awful environment and something electric enter into LCD Mis align between TCP and Panel Panel failure TCP failure V Dim Vertal gray line V L D Vertical color line light or dark forever H B D Horizontal bar H Dim Horizontal gary line H L D Horizontal line light or dark forever Service Manual Model No HL55XZK22a 57 ...

Page 59: ...r Bladder between Polarizer and top glass Polarizer Scratch Polarizer Scratch Tine or rigidity arose F inside Polarizer Eyewinker inside Polarizer Eyewinker inside Polarizer Circuit Abnormal Display Abnormal Display 1 Chip lose action 2 IC ahort or jointiog bad 3 Pannel and vsc connect bad Flashing Bright and dark display alternately Service Manual Model No HL55XZK22a 58 ...

Page 60: ...t and EDS Black Screen B L normal only Black screen display FIIcker Crosstalk LCD Vcom imbalance Abnormal Color Only color abormal Capacitance improper bring crosstalk inside LCD pannel Abnormal Color Only color abnormal 1 Chip lose action 2 IC short or jointion bad 3 Pannel and vsc connect bad Service Manual Model No HL55XZK22a 59 ...

Page 61: ...ire and electrode B L dark B L brightness darker than normal Connect badnessShort between wire and electrode B L wire damaged B L wire damaged Operation abnormal or systemic noise B L wire open Without backlight Operation abnormal or systemic noise B L shut down B L shutdown in sometime Short bitween lamp housing and wire Because consume power too much F M F M inB L white balck Rotundity or wireli...

Page 62: ...cal or B L Light leakage Brightness at bottom of LCM brighter than normal B L unit badness Uniformity B L brightness asymmetric Sheet in B L unit is uneven Mount hole Lack screw or screw damage Lack screw Screw damage Service Manual Model No HL55XZK22a 61 ...

Page 63: ...Sincere Forever Haier Group Haier Industrial Park No 1 Haier Road 266101 Qingdao China http www haier com Printed in China ...