Haier 32E2000 Service Manual
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Haier 32E2000 Service Manual

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SERVICE MANUAL

LED TV
MODEL No. 32E2000
WARNING
This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical 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.

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Summary of Contents for Haier 32E2000

  • Page 1: Service Manual

    SERVICE MANUAL LED TV MODEL No. 32E2000 WARNING This service information is designed for experienced repair technicians only and is not designed for use by the general public. It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.

  • Page 2: Table Of Contents

    Service Manual Model No.: 32E2000 Table of Contents 1. General Information ........3 1-1.
  • Page 3 Service Manual Model No.:32E2000 9. Measurements and Adjustment ..... . .36 9-1 Operation Guide ......36 9-2 Factory Mode .

  • Page 4: General Information

    Service Manual Model No.: 32E2000 1. General Information 1-1. General Guidelines When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed.
  • Page 5 Service Manual Model No.: 32E2000 Safety Component Components identified by mark have special characteristics important for safety. 1-2-6 Safety Check after Repair Confirm that the screws, parts and wiring which were removed in order to service are put in the original positions, or whether there are the positions which are deteriorated around the serviced places serviced or not.

  • Page 6: Ordering Spare Parts

    Service Manual Model No.: 32E2000 Electrostatically Sensitive (ES) Devices Some semiconductor (solid-state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and semiconductor "chip"...

  • Page 7: How To Read This Service Manual

    Service Manual Model No.: 32E2000 1-2-8. Photo used in this manual The illustration and photos used in this Manual may not base on the final design of products, which may differ from your products in some way. 1-3. How to Read this Service Manual Icons: Icons are used to attract the attention of the reader to specific information.

  • Page 8: Specifications

    Service Manual Model No.: 32E2000 2. Specifications Model 32E2000 Response Time (ms) ° 8 ° 8 English/French/Spanish OSD Language ATSC/NTSC/M/MTS Video/Audio System Dimensions with Stand (W x H x D) 22.82X18.39X7.12 Ib Dimensions w/o Stand (W x H x D) 22.82X16.83X2.72 Ib Weight with Stand 9.79 Ib...

  • Page 9: Location Of Controls And Components

    Service Manual Model No.: 32E2000 3. Location of Controls and Components 3-1 Component Location Component LED Panel System Main Board Power cord Left and Right Speakers Panel T-Con Board Keypad Board IR LED Board 3-2 Main Board - 8 -...

  • Page 10: Function Description

    Service Manual Model No.: 32E2000 3-2-1 Function Description Process signal which incept from exterior equipment then translate into signal that panel can display. 3-2-2 Connector Definition - 9 -...
  • Page 11 Service Manual Model No.: 32E2000 - 10 -...
  • Page 12 Service Manual Model No.:32E2000 - 11 -...

  • Page 13: Disassembly Procedures

    Service Manual Model No.: 32E2000 4. Disassembly Procedures 1. Remove the screws securing the back cover. Torque: 3.8 ± 0.53 kgf-cm. - 12 -...
  • Page 14 Service Manual Model No.: 32E2000 2. Detach the back cover from left to right and remove it from the unit. 3. Remove all tapes on the cables. - 13 -...
  • Page 15 Service Manual Model No.:32E2000 4. Disconnect the cables and remove them from the unit. 5. Remove the screws securing the main board, Speaker、side I/O cover and bottom I/O cover, then remove them from the unit. Torque: 3.8±0.3 kgf-cm. - 14 -...
  • Page 16 Service Manual Model No.: 32E2000 6. Delete the speaker stents and press keypad remote control board screw Torque: 3.8±0.3 kgf-cm. 7. Disconnect your screen line and conductive cloth. - 15 -...
  • Page 17 Service Manual Model No.: 32E2000 8. Remove the screw and conductive cloth. 9 . Remove the panel from the front bezel. - 16 -...

  • Page 18: Accessories

    Service Manual Model No.: 32E2000 5. Accessories Remote Control/2 x AAA Batteries User Manual INPUT RECALL MUTE MENU BACK DISPLAY EXIT SLEEP WIDE AUDIO PICTURE CH.LIST FAVORITE o i t - 17 -...

  • Page 19: Installation Instructions

    Service Manual Model No.: 32E2000 6. Installation Instructions - 18 -...

  • Page 20: External Equipment Connections

    Service Manual Model No.: 32E2000 - 19 -...
  • Page 21 Service Manual Model No.: 32E2000 - 20 -...

  • Page 22: Connecting Av Equipment

    Service Manual Model No.: 32E2000 Connecting AV Equipment Using HDMI Cable (best) Note • An HDMI cable carries both video and audio. You do not need to use any audio cables. Using Component Cable (better) COMPONENT OUT - 21 -...

  • Page 23: Connecting A Digital Audio Device

    Service Manual Model No.: 32E2000 Using Composite Cable (good) COMPOSITE OUT VIDEO Note • The component and composite audio and Y jack are shared. You can only connect one component or composite device at a time. • When connecting a composite video source, connect the yellow video wire to the Y (green) jack.

  • Page 24: Connecting Headphones

    Service Manual Model No.: 32E2000 Connecting Headphones Note • When headphones are inserted, the TV speakers will be muted. - 23 -...

  • Page 25: Cable Sample

    Service Manual Model No.:32E2000 Cable Sample Connection Type and Jack Cable Connector HDMI video/audio Component video (requires an audio connection) Composite video (requires an audio connection) Analog audio input Coaxial digital audio Note • The cables are not included in the package.

  • Page 26: Operation Instructions

    Service Manual Model No.: 32E2000 7. Operation Instructions 7-1 Side Control - 25 -...

  • Page 27: Rear Terminals

    Service Manual Model No.: 32E2000 7-2 Rear Terminals - 26 -...

  • Page 28: Using Remote Control

    Service Manual Model No.: 32E2000 7-3 Using Remote Control - 27 -...

  • Page 29: Electrical Parts

    Service Manual Model No.: 32E2000 8. Electrical Parts 8-1 System Block Diagram TP.MS3393.PB812 LVDS(8bit) LVDS OUT USB0 IN USB0 EXT LINEOUT LINE OUT DDR2 SPI Flash 16Mbits HDMI2&MHL IN HDMI2 HDMI2 AMPLIFIER HDMI3 IN HDMI3 HEADPHONE VGA IN MSD3393LU IIC,IF,AGC...

  • Page 30: Circuit Diagram

    Service Manual Model No.:32E2000 8-2 Circuit Diagram C X B 1 C X B 2 R B 3 R B 1 R B 4 R B 2 M O V B 1 C B 802 PC B 101B C B 103...
  • Page 31 Service Manual Model No.: 32E32000 5V_ST B 5V_M 0ohm QM32 0.1uF 3V3_S TB RM33 CM32 RE 4 5V_ST B TEST RM34 4.5V~18V INPUT QM31 VFB = 0.6V RE 5 500KHZ 4K7ohm P O W _E N KMBT3904 100Kohm 10Kohm W PM2341A-3/TR 10Kohm NC/0.1uF SYH112ADC...
  • Page 32 Service Manual Model No.: 32E2000 1V8_DDR 1.15V_STB CD10 MSD3393LU 0.1uF-0402-X5R-20%- 16V 1uF-0402-X5R-20%- 6.3V 1uF-0402-X5R-20%- 6.3V 1uF-0402-X5R-20%- 6.3V 0.1uF-0402-X5R-20%- 16V 1uF-0402-X5R-20%- 6.3V 3V3_STB 3V3_STB CL17 CL18 HDMI2_RX1_N LED_RED RX1N_B SAR1 HDMI2_RX1_P RX1P_B SAR0 HDMI2_RX2_N RX2N_B AVDD_MOD 3V3_STB HDMI2_RX2_P RX2P_B DP_P1 3V3_STB...
  • Page 33 Service Manual Model No.:32E2000 LINE_L_OUT LINE_OUTL LINE_OUTL RA32 LINE_OUTR AMP-MUTE AMP_MUTE/ LINE_R_OUT LINE_OUTR NC/3PIN-2.0-D-H-G RA31 R9 R10 CN18 LOUT+ LOUT+' LOUT- ROUT- ROUT+ ROUT+' RA60 RA62 4PIN-2.54-D-H-G-B AMPVCC EP-IN EP_R CNA2 CA50 RSPK EP_R RA33 EP_L RA34 RA35 LSPK PJ-339...
  • Page 34 Service Manual Model No.: 32E2000 H D M I H D M I G N D G N D G N D G N D G N D G N D G N D G N D PA D G N D...
  • Page 35 Service Manual Model No.: 32E2000 RV19 PC_RIN/ CV19 PC_RI N VGA_RIN RSPK LSPK RV20 PC_LIN/ CV20 PC_LI N 75ohm PJ-325 33ohm RV21 RV24 10Kohm 100ohm 10Kohm RV22 RV23 WL HD-051A 100ohm 33ohm 12Kohm 12Kohm NC/12Kohm GND GND GND GND RV16...

  • Page 36: Wiring Connection Diagram

    Service Manual Model No.: 32E2000 8-3 Wiring Connection Diagram Connection Connection wire for keypad Connection wire for IR LED Connection wire for speakers LVDS wire Connection wire for power - 35 -...

  • Page 37: Measurements And Adjustment

    Service Manual Model No.: 32E2000 9. Measurements and Adjustment 9-1 Operation Guide - 36 -...
  • Page 38 Service Manual Model No.: 32E2000 - 37 -...
  • Page 39 Service Manual Model No.: 32E2000 - 38 -...
  • Page 40 Service Manual Model No.: 32E2000 - 39 -...
  • Page 41 Service Manual Model No.: 32E2000 - 40 -...
  • Page 42 Service Manual Model No.: 32E2000 - 41 -...
  • Page 43 Service Manual Model No.: 32E2000 - 42 -...

  • Page 44: Factory Mode

    Service Manual Model No.: 32E2000 9-2 Factory Mode 1.1 Power on Upgrading STEP 1：Make sure that the .bin file has been put under the root directory of USB removable device. STEP 2：Link the USB device to the TV mainboard , make sure the current is switched off ,re-power on .If the LED light turns out to be red alternating with...

  • Page 45: Software Update

    Service Manual Model No.:32E200 9-3 Software Update Picture 1.2 Software Update (USB) Picture STEP 5：Disconnect to the power and connect to the power, the upgrading could be finished. 9-4 Hotel Mode Hotel mode allows user to set certain default settings, limit access to certain controls and adjustments so that settings cannot be altered by other people.

  • Page 46: Troubleshooting

    Service Manual Model No.: 32E2000 10. Troubleshooting 10-1 Simple Check Please make these simple checks before calling service. These tips may save you time and money since charges for receiver installation and adjustments of customer controls are not covered under your warranty.
  • Page 47 Service Manual Model No.: 32E2000 10-2-1 AC/DC Power Board Diagram 19V/24V/ Output Rectifie 32V/50V input filter filter output AC/DC Output Power convertor filter power amplifier、 The main IC、 Screen voltage output and so on Feed back 19V/24V/ LED driver 32V/50V...

  • Page 48: Power Supply

    Service Manual Model No.: 32E2000 10-2-3 LED driver Trouble IR indicator light up but backlight slake Check if LED output cable is connect correction Check PWM_DIM&PWM_REF& BL_ON Control signal Increase Check if LED check is part of check is all of...
  • Page 49 Service Manual Model No.: 32E2000 10-3-1 Display Trouble (blurred screen ) blurred screen Check if the cable is correct and connected tightly Change the cable Check if the panel is OK for panel Check if the output circuit from Change panel...

  • Page 50: Display

    Service Manual Model No.: 32E2000 10-3-3 Display Trouble (black screen) Black screen Check if BL_ON state is normal Check if the control circuit Check if the control circuit between BL_ON and between ADJ and BL_EN is normal ? PWM/ADJ is normal ?

  • Page 51: Audio

    Service Manual Model No.: 32E2000 10-4-1 Audio Trouble No sound Check the AMP power Check if PIN1 of the AMP chip Check the power supply circuit voltage is normal Check the control circuit Check the input signal Check the circuit from U1...

  • Page 52: Function

    Service Manual Model No.: 32E2000 10-5-1 Function Trouble (TV video) TV can’t search any channel/no picture Check input RF signal Check the RF source Check tuner power Check if IIC work Check power supply circuit Check IIC circuit Check IFP/IFN output signal...

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