Haier 75UF5550 Service Manual

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Contents

Table of Contents2

Chapter 1. 1. 1. 1. General4

Chapter 2. 2. 2. 2. Speci9

Chapter 4. 4. 4. 4. Location14

Haier 75UF5550 Service Manual Manual pdf 20 page image

Service ManualModelModelModelModel No.:No.:No.:No.: 75UF555075UF555075UF555075UF55505-2.5-2.5-2.5-2. ExternalExternalExternalExternal EquipmentEquipmentEquipmentEquipment ConnectionsConnectionsConnectionsConnectionsAntennaAntennaAntennaAntenna ConnectionConnectionConnectionConnectionConnect your aerial to the back of the TV into theANTENNA IN socket.I proveI proveI proveI prove YourYourYourYour SignalSignalSignalSignalTo improve picture quality in a poor signal area, use asignal amplifier (not supplied).ConnectConnectConnectConnect YourYourYourYour PCPCPCPC totototo thethethethe TVTVTVTVConnectConnectConnectConnect aaaa DVDDVDDVDDVD PlayerPlayerPlayerPlayer orororor VCRVCRVCRVCR totototoYourYourYourYour TVTVTVTVThere are two ways in which you can connect a DVDplayer or VCR to your TV. Make sure that both the TVand DVD player or VCR are switched off before youconnect them.HDMIHDMIHDMIHDMI InputInputInputInputYou can use your TV as a monitor for your personalcomputer by connecting it with a VGA cable (notsupplied).A Connect the cable from the HDMI device to the TVHDMI socket.ABRead your computer user guide and check it has aVGA connector.Turn off your TV and PC.BCPress the SOURCESOURCESOURCESOURCE button to select HDMI mode.Refer to the HDMI device user guide for how tooperate.C Connect a D type 15-pin VGA interface cable to theNote：The TV have no VGA.VGA video interface connector on the PC. Connectthe other end of the cable to the PC interfaceconnector on the TV. Tighten the screws on theDEVGA connectors and connect the audio cable (notsupplied) to the audio input socket on the back of theTV.Turn on the TV firstly and then the PC.Press the Source button on the TV or TV remotecontrol to set the video input mode to PC.F Once the image shows, if there is noise present,change the PC mode to other resolutions, change therefresh rate to other rate or adjust the brightness andcontrast on the menu until the picture is clear.ConnectConnectConnectConnect aaaa DVDDVDDVDDVD PlayerPlayerPlayerPlayer totototo YourYourYourYour TVTVTVTVConnect the DVD video outputs (Y, Pb, Pr) to theCOMPONENT (Y, Pb, Pr) IN socket on your TV.ABCTurn on the DVD player and insert a DVD disk.Press the SOURCE button to select COMPONENTmode.Refer to the DVD player user guide for operatinginstructions.19191919

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Questions and answers

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Frequently asked questions

The instructions for setting up the remote control are provided in Chapter 6, Section 6-3 of the manual.

The controls on the front panel are detailed in Chapter 6, Section 6-1 of the manual.

First, verify if the television is properly plugged in and supplied with power. Ensure that electricity is available. If the issue persists, check the signal input and restart the television.

Press the SOURCE button to change the signal input to TV input. If the problem continues, restart the television by disconnecting it from the power supply for 10 seconds, then reconnecting it. If the issue still persists, verify if correct signals are input.

First, verify if the speakers are broken. If the speakers are not broken, check if the main board has the right input according to the source you are connecting (TV/COMPONENT/AV/VGA/HDMI etc.). Then, check the corresponding audio input circuit you are connecting to. If the issue persists, verify if UA1 has the right output and power. If UA1 is functioning correctly, check if CNA5 input is right. If all else fails, you may need to change the mainboard.

If the speakers are not broken, check if the main board has the right input according to the source you are connecting (TV/COMPONENT/AV/VGA/HDMI etc.). Then, check the corresponding audio input circuit you are connecting to. If the issue persists, verify if UA1 has the right output and power. If UA1 is functioning correctly, check if CNA5 input is right. If all else fails, you may need to change the mainboard.

If some channels are showing in black and white, first verify if the same problem exists in other channels. If the issue persists, check the picture and sound system of the affected channel. If the sound system is not set correctly, change the channel to the right sound system (PAL-BG SECAM/L) and refer to the relative instructions in the manual for color adjustment. If the problem still persists, update the software and reboot the TV, or consider changing the mainboard.

If updating the software and rebooting the TV does not solve the black and white channel issue, you may need to change the mainboard. Refer to the relative instructions in the manual for further guidance on how to proceed with this step.

The 'Horizontal bar' phenomenon in the Haier 75UF5550 TV indicates a TCP failure or a panel failure, which could be due to misalignment between the TCP and the LCD, something electrical entering the panel, an awful environment, or ACF bonding short.

A 'Vertical color line' on the Haier 75UF5550 TV screen could be due to a panel failure, which might be caused by something electrical entering the panel, an awful environment, or ACF bonding short.

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