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Service Manual

Model No.: 32D2000

9-3. Mainboard Failure Check

No picture but have sound

Check the power output

No

Change the Power Board

Yes

Check the CN2 (BLO)
Backlight on/off

Yes

No

There’s something wrong
with FRC

Verify if the DC/DC
convertor can output the
right Voltage,

No

Change the corresponding
DC/DC

QB3 output 5V

Yes

No

Verify if

QM1

output

Change

the QM1

Yes

Still having
problems

Change Panel

Change LVDS wire

39

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Содержание 32D2000

Страница 1: ...hnical individuals of potential dangers in attempting to service 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 2014 Qingdao Haier Electronics Co Ltd All rights reserved Unauthor...

Страница 2: ...ed in this manual 6 1 4 How to Read this Service Manual 6 Using icons 6 Chapter 2 Speciﬁcation 2 1 Speciﬁcation list 8 2 2 External pictures four faces 9 Chapter 3 Disassemble and Assemble 3 1 32D2000 11 3 1 1 Remove the Stand 11 3 1 2 Remove the Back Cabinet 11 3 1 3 Remove the Mainboard 11 3 1 4 Remove the Power Supply Module 11 3 1 5 Remove the Speaker 11 3 1 6 Remove the Remote Control Board 1...

Страница 3: ...2 Chapter 7 Electrical Parts 7 1 Block Diagram 23 7 2 Circuit Diagram 30 Chapter 8 Measurements and Adjustments 8 1 Service Mode 31 8 1 1 How to enter into Service Mode 31 8 1 2 How to exit 31 8 2 Measurements and Adjustments 31 8 2 1 The Main Menu 31 8 2 2 General Setting 32 8 2 3 Picture 32 8 2 4 Sound 33 8 2 5 Debug 33 8 3 Software Update 34 8 3 1 software update 34 Chapter 9 Trouble shooting 9...

Страница 4: ... 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 with any insi...

Страница 5: ... 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 free s...

Страница 6: ...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 all...

Страница 7: ...17 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 nu...

Страница 8: ...ation 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 7 ...

Страница 9: ...tem NTSC Audio System MN Audio Output Power Built in W 8W 2 Audio Output Power outer W No Total Power Input W 60W Voltage Range V AC100V 240V Power Frequency Hz 50 60Hz Time of Sleep Timer MINS 240Min Net Weight KG 17 8lbs Gross Weight KG 20 9lbs Dimensions with Stand 29 25 x 19 44 x 6 69 Dimensions without Stand 29 25 x 17 48 x 3 19 Service Manual Model No 32D2000 Chapter 2 Speciﬁcation 2 1 Speci...

Страница 10: ...Service Manual Model No 32D2000 2 2 External pictures four faces Front Side Up Side 9 ...

Страница 11: ...Service Manual Model No 32D2000 Right Side Back Side 10 ...

Страница 12: ...s from the stand which in the picture above 3 Remove the stand 3 1 4 Remove the Power Supply Module 3 1 2 Remove the Back Cabinet 1 Remove the five screws indicated with red circles in below picture 2 Remove the Power Supply Module 3 1 5 Remove the Speaker Remove the Speaker indicated by red circle in below picture 1 Remove the sixteen screws indicated with red circles 2 Flip machine panel side up...

Страница 13: ...Service Manual Model No 32D2000 3 1 6 Remove the Remote Control Board And the Key Board Remove the Remote Control Board and the Key Board indicated by red circle in below picture 12 ...

Страница 14: ...ervice Manual Model No 32D2000 Chapter 4 Location of Controls and Components 4 1 Board Location 13 B Panel A Board B No Model Description A Board Mainboard B Panel LCD Panel DH1TK4M0101M 712 315C3 X8221 ...

Страница 15: ...m exterior equipment then translate into signal that panel can Display 4 2 2 Connector deﬁnition CN18 CN6 14 IR Key Interface CN6 Pin number Signal name 1 5V 2 RED 3 GRE 4 IR 5 GND 6 K0 7 K1 8 K2 9 K3 10 K4 11 K5 12 K6 13 K7 14 GND Speaker connector CN18 Pin number Signal name 1 ROUT 2 ROUT 3 LOUT 4 LOUT ...

Страница 16: ...Service Manual Model No 32D2000 4 3 LCD Panel 32D2000 Backlight Unit LVDS CONNECTOR CN1 Connector Deﬁnition 16 ...

Страница 17: ...Service Manual Model No 32D2000 TFT LCD Module 17 ...

Страница 18: ...Service Manual Model No 32D2000 Chapter 5 Installation Instructions 5 1 Accessories Remote Control 18 Batteries ...

Страница 19: ... to select HDMI mode Refer to the HDMI device user guide for how to operate C Connect a D type 15 pin VGA interface cable to the VGA video interface connector on the PC Connect the other end of the cable to the PC interface connector on the TV Tighten the screws on the D E VGA connectors and connect the audio cable not supplied to the audio input socket on the back of the TV Turn on the TV ﬁrstly ...

Страница 20: ...l the vailable input sources 3 MENU Press to select the main menu 4 CH TV channel down 5 CH TV channel up 6 VOL Press to decrease the volume 7 VOL Press to increase the volume Service Manual Model No 32D2000 Chapter 6 Operation Instructions 6 1 Front Panel Controls 20 ...

Страница 21: ...ervice Manual Model No 32D2000 6 2 Back Panel Controls 21 1 Earphone output 2 Line output 3 Coax output 4 AV output 5 YPbPr input 6 HDMI1 input 7 HDMI2 MHL input 8 HDMI3 input 9 VGA input 10 PC Audio input 11 RF input 12 USB input ...

Страница 22: ...Service Manual Model No 32D2000 6 3 Setting Up Your Remote Control When using the remote control aim it towards the remote sensor on the TV 22 ...

Страница 23: ...EB106 RB107 RB109 QB102 CB116 RB147 EB104 EB108 CB117 G D S QB101 EB1 DB107 1 1 2 2 3 3 4 4 5 5 6 6 UB101 RB104 GND GND 1 2 PCB102A 1 2 PCB101A UB102 1 1 2 2 3 3 ZB102 OVP 线路 RB132 CB109 RB133 RB131 RB135 RB134 RB137 RB138 CYB3 CB115 BB101 EB105 GND1 GND1 OVP1 LED FB OVP1 LED GATE1 GATE1 GND1 GND1 GND1 GND1 RB810 RB811 RB812 RB813 RB809 DB803 RB814 RB815 EB801 EB802 RB807 BB801 RB808 RB801 CB807 R...

Страница 24: ...6 EN 7 NC 8 UD2 AIC2857FGR8TR CD17 NC 100pF 0402 NPO 5 50V CD6 0 01uF 0402 X7R 10 50V RD4 2K2ohm 0402 5 1 16W CD12 0 01uF 0402 X7R 10 50V CD15 0 1uF 0402 Y5V 80 20 16V RD8 100Kohm 0402 5 1 16W CD11 0 1uF 0402 Y5V 80 20 16V LD2 CDR810 330 K CH 19V 24V CD13 0 1uF 0603 Y5V 80 20 50V CD16 10uF 1206 X5R 10 25V RD6 10K5ohm 0402 1 1 16W RD5 47Kohm 0402 1 1 16W CD14 10uF 0603 X5R 20 6 3V DD1 NC SK34A SMA ...

Страница 25: ...J CVBS1_OUT MHL_CABLE DET AMP MUTE HDMI_DET AU_VRM IF_AGC VIFP VIFM AU_VAG 3_3V_AU 1 15V_STB GIN1M HD1_SOG HD1_Pr HD1_Y HD1_Pb VGA_RIN VGA_GIN VGA_BIN GIN0M VGA_HS VGA_VS AV_LIN AV_RIN HDMI ARC HOTPLUG3 HDMI2_SCL HDMI2_SDA HDMI2_RXC_N HDMI2_RXC_P HDMI2_RX0_N HDMI2_RX0_P HDMI2_RX1_N HDMI2_RX1_P HDMI2_RX2_N HDMI2_RX2_P HOTPLUG1 HDMI1_SCL HDMI1_SDA HDMI1_RXC_N HDMI1_RXC_P HDMI1_RX0_N HDMI1_RX0_P HDMI...

Страница 26: ...1 CN6 14PIN 2 0 D H G B RK4 4K7ohm 0402 1 1 16W 3V3_STB LED_R LED_G RK8 0ohm 0402 5 1 16W KEY RK11 1Kohm 0402 5 1 16W RK2 1Kohm 0402 5 1 16W LED_RED RK1 22ohm 0402 5 1 16W 0 67V 1 05V 1 36V 1 79V 2 24V 2 67V GND VCC_Panel GND GND VCC_Panel VCC_Panel GND GND GND GND RXE3_P RXE2_N RXE1_P RXE1_N RXE0_N RXE0_P RXE2_P RXE3_N RXEC_N RXEC_P RXO2_N RXO3_P RXO3_N RXO2_P RXO0_N RXO1_P RXO1_N RXO0_P RXEC_N R...

Страница 27: ...DMI3_RX1_P HDMI3_RX2_N HDMI3_RX2_P RH16 33ohm 0402 5 1 16W RH15 33ohm 0402 5 1 16W HDMI_ARC SHELL GND 20 SHELL GND 21 RX2 1 GND 2 RX2 3 RX1 4 GND 5 RX1 6 RX0 7 GND 8 RX0 9 RXC 10 GND 11 RXC 12 CEC 13 NC 14 SCL 15 SDA 16 GND 17 5V 18 HPD 19 SHELL GND 22 SHELL GND 23 AV1 161031041 外壳 SPCC GND GND GND GND SHELL GND 20 SHELL GND 21 RX2 1 GND 2 RX2 3 RX1 4 GND 5 RX1 6 RX0 7 GND 8 RX0 9 RXC 10 GND 11 RX...

Страница 28: ...T CF51 0 1uF 0402 Y5V 80 20 16V CF52 330pF 0402 X7R 10 50V RF52 100ohm 0402 5 1 16W RF51 220ohm 0402 5 1 16W GND COAX SPDIF_OUT CF53 NC 10pF 0402 NPO 5 50V IR Transmitter Nin 1 Vcc 2 GND 3 NC1 4 NC2 5 AV26 NC GQ 08 GND SPDIF_OUT COAX 5V_M RF2 NC 0ohm 0402 5 1 16W RV13 10Kohm 0402 5 1 16W RV18 100ohm 0402 5 1 16W RV12 100ohm 0402 5 1 16W 1 6 2 7 3 8 4 9 5 11 12 13 14 15 10 17 16 TXD SDA HS VS SCL R...

Страница 29: ...ET_N 23 PADGND 25 UT2 MxL601 3V3_Tun 1 8VRF IFN IFP CT15 0 1uF 0402 Y5V 80 20 16V 3V3_Tun 1 8VRF CT12 0 1uF 0402 Y5V 80 20 16V 3V3_Tun CT6 0 1uF 0402 Y5V 80 20 16V GND GND CT4 0 1uF 0402 Y5V 80 20 16V 1 8VRF GND CT11 0 1uF 0402 Y5V 80 20 16V GND 3V3_Tun RT1 750Kohm 0402 5 1 16W GND GND CT2 1uF 0402 X5R 20 6 3V CT1 1uF 0402 X5R 20 6 3V C78 1uF 0402 X5R 20 6 3V YT1 16MHz 20PPM 20PF HC 49S TKD LT1 MG...

Страница 30: ...Service Manual 7 2 Wiring Connection Diagram 30 Service Manual Model No 32D2000 ...

Страница 31: ... At the end of the main factory menu you can see the edition of the software like this BUILD TIME 2013 02 28 16 35 37 VERSION v1 0 8 1 2 How to exit If you want to exit this factory menu please press the button Exit on the remote system will be out the factory mode menu 8 2 Measurements and Adjustments 8 2 1 The Main Menu In factory mode menu press up down button to choose the up down item press r...

Страница 32: ...trast Choose on or off in Dynamic Contrast 6 Power On Mode Choose on or off in Power On Mode 7 Mirror Control Choose on or off in Mirror Control 8 Front End Status 9 Timer Test 10 SSC 11 Erase Flash 12 PQ Advance Debug Choose on or off in PQ Advance Debug 13 Factory remote Open or close the Factory remote 14 Factory CH Export 8 2 3 PICTURE Adjust the Picture Mode Picture Curve White Balance and Ov...

Страница 33: ...s of Sound Mode Volume Curve Audio Output and True Volume in different source 8 2 5 Panel Setting 1 LVDS Bit Mode choose the Bit 2 LVDS MAP choose the MAP 3 LVDS ODD Even choose ODD or Even 4 Bcaklight Adiust the value of backlight 5 Reset Panel Setting Date 33 ...

Страница 34: ...ware ﬁles to a USB disk on the root directory 2 Insert the USB disk when the AC power is off 3 Turn on the AC power in turn to begin 4 Turn off the AC power until the indicator light fast twinkling 5 Pull out the USB disk and power on the television Note Do not turn off the TV while it is updating 34 ...

Страница 35: ... by Fine Tune and MANUAL Scan No color for some channel program black and white Verify that the same problem exists on other channels Check the picture and sound systems Refer to the relevant instructions in the manual to adjust the colour Spots with some or all pictures Verify if the antennal is correctly connected Verify if the antennal is in good condition Make ﬁne adjustment of channel Televis...

Страница 36: ...Service Manual Model No 32D2000 9 2 Mainboard IC Introduction Top view 36 1 2 3 4 5 6 7 8 ...

Страница 37: ...Service Manual Model No 32D2000 Bottom view 37 ...

Страница 38: ...IG UF1 4 DC DC convertor 5V 1 8V for MSD3393LU U1 LC1117CLTRAD UL2 5 voltage convertor 5V to 3 3V_STB LC1117CLTR33 UL1 6 voltage convertor 5V to 1 15V_STB LC3406CB5TR UD1 7 voltage convertor 5V to 3V for tuner LC1117CLTR33 UT1 8 Tuner SDCL1005CR33JTDF RFT1 Please check the Schematic Diagram for the particular support 38 ...

Страница 39: ...o Change the Power Board Yes Check the CN2 BLO Backlight on off Yes No There s something wrong with FRC Verify if the DC DC convertor can output the right Voltage No Change the corresponding DC DC QB3 output 5V Yes No Verify if QM1 output Change the QM1 Yes Still having problems Change Panel Change LVDS wire 39 ...

Страница 40: ...akers Verify if the main board has the right input according to the source TV COMPONENT AV VGA HDMI etc Yes Verify if UA1 has the right output Yes Check CN17 input is right No No Check the corresponding audio input circuit you connect Verify if UA1 has the right power in No Change UA1 Still having problems Change Mainboard 40 ...

Страница 41: ...Change the Power supply Verify if CN4 Pin3 4 has 5V input Yes Verify if CN2 Pin1 has 12V input Yes Verify if DC DC convertors have the right output Yes No No No Change Power board Change Power board Change corresponding DC DC convertor Still having Change Change the software 41 Problems Mainboard ...

Страница 42: ...ound Verify if sound system is correct No Change sound system For ease of use recommend that customer format the picture and sound settings in the automatic option Still having problems Updata the software and make the reboot or change the maiboard 42 ...

Страница 43: ...f the same problem exists in other channels Yes check out of picture and sound system No No Check out of picture and sound system of this channel Change the channel to the right sound system Yes Refer to relative instructions in the Manual for color adjust Updata the software and Still having problems 43 make the reboot or change the maiboard ...

Страница 44: ... is broken Check if the power cord co nnect well Yes Check if the Power board output 5V and 12V No No Reconnect the power cord with the outlet or Power board Replace the Power board pls Still having problems Check if Main board LVDS wire Panel are in good condition 44 ...

Страница 45: ...LCD Mis align between TCP and Panel Panel failure TCP failure Name Description Phenomena Failure cause V B D Vertical bar V Dim Vertal gray line V L D Vertical color line light or dark forever TCP H B D Horizontal bar H Dim Horizontal gary line H L D Horizontal line light or dark forever Service Manual Model No 32D2000 9 4 Pannel Failure Failure Mode 45 ...

Страница 46: ...tch Tine or rigidity arose Eyewinker inside Polarizer Eyewinker inside Polarizer Abnormal Display Bright and dark display alternately 1 Chip lose action 2 IC ahort or jointiog bad 3 Pannel and vsc connect bad Part Name Dot Defect Polarizer Bubble Panel or Polarlzer Polarizer Scratch F inside Polarizer Abnormal Display Circuit Flashing Service Manual Model No 32D2000 46 ...

Страница 47: ...EDS Black Screen B L normal only Black screen display Circuit Crosstalk FIIcker 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 32D2000 47 ...

Страница 48: ...wire and electrode B L dark B L brightness darker than normal Connect badnessShort between wire and electrode B L wire damaged Without backlight B L wire damaged B L wire open Operation abnormal or systemic noise Operation abnormal or systemic noise Short bitween lamp housing and wire Because consume power too much B L shut down B L shutdown in sometime F M F M inB L white balck Rotundity or wirel...

Страница 49: ...leakage B L unit badness Brightness at bottom of LCM brighter than normal Mechanlcal or B L B L brightness asymmetric Uniformity Sheet in B L unit is uneven Mount hole Lack screw or screw damage Lack screw Screw damage Service Manual Model No 32D2000 49 ...

Страница 50: ...Sincere Forever Haier Group Haier Industrial Park No 1 Haier Road 266101 Qingdao China http www haier com Printed in China ...

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